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WELCOME
IFFCO AONLA UNIT, BAREILLY (U.P.)

           WELCOME

      HONOURABLE CPCB
     OFFICIALS,ENGINEERS
         & DELEGATES
               AT
         IIT-ROORKEE
ENVIRONMENTAL MANGEMENT

             AT
IFFCO AONLA UNIT, BAREILLY (U.P.)
IFFCO - In Brief
IFFCO’S PLANTS




                 6
IFFCO PLANTS
            KALOL UNIT                                                            PHULPUR UNIT




                                          CORPORATE OFFICE
                                             NEW DELHI
Year of Commissioning  - 1975                                      Year of Commissioning  - 1981
Annual Ammonia Capacity - 363000 MT                                Annual Ammonia Capacity - 824000 MT
Annual Urea Capacity    - 544500 MT                                Annual Urea Capacity    - 1415700 MT

  KANDLA UNIT                                                                      AONLA UNIT

                                           PARADEEP UNIT




 Year of Commissioning - 1975                                       Year of Commissioning  - 1988
 Annual P2O5 Capacity - 910000 MT     Year of Acquire - SEP-2005    Annual Ammonia Capacity - 1003200 MT
 Annual N Capacity    - 351540 MT     Annual Capacity -2000000
                                                     7              Annual Urea Capacity    - 1729200 MT
                                      MT
KALOL UNIT
               GUJRAT

YEAR OF COMMISSIONING : 1975
INVESTMENT              : Rs. 71.23 Cr.
YEAR OF EXPANSION       : 1997
INVESTMENT              : Rs. 149.70
    Cr.
PRODUCT CAPACITY
                    TPD       TPA
AMMONIA             1100     3,63,000
UREA                1650      5,44,500
„N‟                 759      2,50,470




                                          8
KANDLA UNIT
            GUJRAT
YEAR OF COMMISSIONING     : 1975
INVESTMENT                 : Rs. 24.26 Cr.
YEAR OF FIRST EXPANSION  : 1981
INVESTMENT                 : Rs. 28.60 Cr.
YEAR OF SECOND EXPANSION : 1999
INVESTMENT                 : Rs. 205.30 Cr.
PRODUCT CAPACITY
                             TPD       TPA
„ P2O5                       2890     9,10,100
„N‟                          1115     3,51,540




                                9
AONLA UNIT
          UTTAR PRADESH

YEAR OF COMMISSIONING   : 1988
INVESTMENT               : Rs. 651.6 Cr. AONLA- I
YEAR OF EXPANSION        : 1996
INVESTMENT               : Rs. 954.7 Cr. AONLA- II
PRODUCT CAPACITY
                           TPD         TPA
AMMONIA                   3040       10,03,200
UREA                       5240       17,29,200
„N‟                        2410        7,95,430




                                                     10
PHULPUR UNIT
             UTTAR PRADESH
YEAR OF COMMISSIONING     : 1981
INVESTMENT                  : Rs. 205.2 Cr.
   Phulpur - 1
YEAR OF EXPANSION          : 1997
INVESTMENT - Phulpur-II    : Rs.1190 Cr.
PRODUCT CAPACITY
                             TPD   TPA
AMMONIA                     2497 8,24,000
UREA                         4290 14,15,700
„N‟                          1973 6,51,222




                                              11
PARADEEP UNIT
          ORISSA
COST OF ACQUISITION   Rs. 2589.88 Crore
   (September 2005)
PRODUCT CAPACITY
                      TPD       TPA
PHOS. ACID             2650    8,75,000
SULPHURIC ACID        6970     23,00,000
P2O5                  2650      8,75,000
N                     1006      3,32,000




                                           12
IFFCO - AN ORGANISATION
   FOR THE FARMERS
   OF THE FARMERS
    BY THE FARMERS
Origin of IFFCO


 IFFCO was established on 3rd
  Nov.,67 as a co-operative of
  farmers to produce & market
  fertilisers.
IFFCO – In Brief

 Leading producer of fertilisers in India

 No. of plant locations     - Five

 Installed Annual Capacity

   Urea              :     3.69 Million Tonne

   NPK/DAP           :     4.42 Million tonne
IFFCO – In Brief
 Contributes 18.3% to the total”N” and
  50% to the total “P2O5” produced in
  the country.
 Fertiliser marketed through around
  37,500 cooperative societies and 158
  Farmers Service Centres
 Service to the farmers through a
  variety of programmes
Vision & Mission

Honorable Managing Director
     Shri U.S.Awasthi


Under the dynamic leadership of our
Honorable Managing Director
Shri U. S. Awasthi IFFCO has drawn out
plans to grow manifold in fertiliser
sector as well as in allied areas.
Recently Implemented
 Projects
AONLA EXPANSION PROJECT
PHULPUR EXPANSION PROJECT
KALOL EXPANSION PROJECT
KANDLA EXPANSION PROJECT
ACCUISITION OF OSWAL
 FERTILISERS(Phosphatic)
Joint Ventures


JV FOR PHOS. ACID IN SENEGAL
DIVERSIFICATION IN INSURANCE
OMAN GRASSROOT PROJECT
IFFCO-AIR TEL FOR RURAL
 COMMUNICATION
Vision-2010
Targets have been set to achieve group
turnover of Rs 15000 crore and annual
profit of Rs 1500 crore. Areas
contemplated for future growth include :
   Power               Phos. Acid
   Bio Fuels           Agri Business &
   Renewable            Exports
    Energy              Petroleum & Natural
   Banking              Gas
   New Fertiliser      Petrochemicals
    units               Telecommunications
Vision-2010 (contd…)
Investment plan for expansion in Fertiliser
sector and diversification into Power
sector at an estimated outlay of Rs 9000
crore :
   De-bottlenecking of existing plants for
    Capacity enhancement.
   Mining project & Phosphoric acid plant at
    Egypt and Jordan
   Acquisition of DAP & NPK facilities at
    Paradeep in Orissa
   1000 MW Power      project   in   State   of
    Chattisgarh
IFFCO
       AONLA UNIT
       ENERGY EFFICIENT
       COST- CONSCIOUS
ECO-FRIENDLY & SAFETY CONSCIOUS
  HARMONIOUS INDUSTRIAL ENV.
ISO-9001, ISO-14001 & OHSAS-18001
            CERTIFIED
IFFCO Aonla Unit
  …at a Glance
SONIPAT
                                                                        SAHIBABAD
                                                     6” (20 KM)

 HBJ Gas                                    BAHADURGARH
                                                   6” (52 KM)
                                                         DESU
                                                                                   DADARI
                                                                                     24” (104 KM)

 Pipeline                                        12” (35 KM)

                                                      MARUTI
                                                                        18” (47 KM)
                                                                        S‟
                                                                        BAD
                                                                                          TCL 24” (82 KM)

                                                                                 MATHURA

 Network                                                                         14” (13 KM)
                                                                                                        24” (90 KM)
                                                                                                          OCFL


                                                                                                        24” (143 KM)

                                                                                    36” (505 KM)
                                                                                     NTPC                18” (217 KM)
                                                                                  12” (2 KM)
                                                                                                                        IGCL
                                                                                                   AURAIYA CS           Jagdishpur
                                                   12” (32 KM)                                     (5 NOS COMPRESSORS)
                                                 CFCL
                                    SAMCOR                 BORARI                      30” (321 KM)
                                                  ANTA     18” (110 KM)
                                              12” (14 KM)
                                                       NFL
                                              18” (3.6 KM)
                                                                  LPG
                                                                         VIJAIPUR CS (8 NOS COMPRESSORS)

                                                   36” (340 KM)


18” (1.1 KM)
               GSFC
                    LPG                JHABUA CS (10 NOS COMPRESSORS)
                                                                                  Aonla Unit based on
    IOC, IPCL               36” (150 KM)
       18” (32 KM)
    KAWAS                 VAGHODIA CS                                             HBJ pipeline
  12” (8 KM)            36” (149 KM)
   DPD           HAZIRA CS                                                        1225 Km from Hazira
             EX HAZIRA CONSUMERS - KRIBHCO, RPL, ESSAR, HWP, GGCL
Ammonia Plant-I                     Ammonia Plant-II
Production started on : 15.5.1988   Production started on : 13.12.1996




Capacity : 1520 MTPD                Capacity : 1520 MTPD
Urea Plant-I                        Urea Plant-II
   Production started on :18.5.1988   Production started on :26.11.1996
Capacity : 2620 MTPD                                Capacity : 2620 MTPD
Railway Siding
Product Handling Plant          9.38 KM Railway Siding on 110 Acres land
                                In-plant yard comprising of 12 lines
    Capacity : 2x8 Bagging
                                Naphtha / Fuel oil 4 lines on RCC apron
    Stations (Slat) @ 60 MTPH




                                      Capacity -            Silo - I & II
                                      Silo-I : 45000 MT
                                      Silo-II : 30000 MT
Power Plant
              Capacity :

              Steam generation
              plant : 150 MT/Hr

              Power generation
              Plant :
              GTG : 2X18 MW/Hr
              HRSG : 2X80 MT/Hr
Cooling Towers




Number of cells -
 Urea Plant : 5 nos. each for Urea- I & II
 Ammonia Plant :6 nos. each for Ammonia-I & II
Ammonia Storage Tanks




  Capacity : 2x10,000 MT
Lagoons




Capacity : 2 x 85000 M3
Birds in Lagoon
Fire & Safety
IFFCO Aonla Unit
 IFFCO Aonla Unit was set up at Aonla,
  Bareilly in the year 1988 to increase the
  fertiliser production in the country under
  the overall national planning for utilisation
  of natural gas available from Bombay
  High.
 In the year 1996 the production capacity
  was doubled with the commissioning of
  Aonla-II.
Main Plants & Auxilliary Facilities
                           Aonla-I        Aonla-II
Ammonia Plant              1520 MTPD      1520 MTPD
                           (1740 MTPD)    (1740 MTPD)
Urea Plant                2620 MTPD        2620 MTPD
                          (3030 MTPD)     (3030 MTPD)

S.G. facilities (116 Kg/Cm2, 515 Deg C)
• Service Boiler           150 MTPH
• Heat Recovery Unit        80 MTPH       (80+120) MTPH

Gas Turbine                25 MW          25 MW
Generator (ISO)
Main Plants & Auxilliary Facilities
                                        (Contd…)

Instrument / Plant              6 X 1200 NM3/Hr
Air Compressor                  1X5000 NM3/Hr

Water Treatment Plant           6 x 140 M3/HR

Inert Gas (N2) Generation       600 NM3 /HR

Ammonia Storage Tank            2 x 10,000 MT

Air & Steam Stripping Unit Of   (60+45) M3/Hr
Ammonia Bearing Waste
Main Plants & Auxilliary Facilities
                                 (Contd…)

 UREA BAGGING PLANT         2X8 Bagging
                            Stations
                            @ 250 MTPH

FUEL OIL / NAPHTHA STORAGE
  Fuel Oil Storage       2 x 3650 M3
  Naphtha Storage        2 x 6000 M3
                         1 x 10000 M3


UREA SILO      Aonla-I          45000 MT
               Aonla-II   30000 MT
IFFCO-AONLA UNIT GOT SEVERAL AWARDS AND CERTIFICATES FROM VARIOUS
 AGENCIES ,FOUNDATIONS, GOVERNMENT BODIES AND INSTITUTES
SHE RELATED AWARDS RECENTLY WON BY IFFCO AONLA UNIT
CII AWARD FOR ENERGY FOR EXCELLENCE IN ENERGY MANAGEMENT 21&22,AUG,2006
 “RUNNER UP” IN NATIONAL SAFETY AWARDS-2times         Ministry of labour & employment ,
                                                      Govt. of India    07-09-2005,sept2007

 NSCI AWARDS-2004&2006 “PRASHANSHA PATRA”             National Safety AWARD RECEIVED IN
                                                      Council of India APRIL,2006&jan 2007

 “GOLDEN PEACOCK” SPECIAL COMMENDATION OF
                                                 World environment Foundation 11-06-2005
 ENVIRONMENT MANAGEMENT AWARD-2005

 “CERTIFICATE OF PARTICIPATION” CORPORATE             TERI Corporate Environmental Awards
 ENVIRONMENTAL AWARDS-2002/03                                   05-06-2004

 NSCI AWARDS 2000 &-2002 “PRASANSHA PATRA”           National Safety
                                                                      27-12-2003,10-12-2002
                                                     Council of India

 “CERTIFICATE OF MERIT” NATIONAL ENERGY              National Energy Conservation in
                                                     Fertiliser Sector by Ministry of Power,
 CONSERVATION AWARD-2003                             Govt. of India       14-12-2003

 “CERTIFICATE OF MERIT” NATIONAL ENERGY              National Energy Conservation in
                                                     Fertiliser Sector by Ministry of Power,
 CONSERVATION AWARD-2002                             Govt. of India        14-12-2002

 FAI AWARD FOR EXCELLENCE IN SAFETY2001-02,2005-06    FAI, ,05-12-2007 & 16-12-2002
                                                                                               38
NATIONAL ENERGY CONSERVATION AWARD-2006 (2Nd)          14TH DEC,2006, BY MIN OF POWER
Awards
Awards    (Contd…)




 THE FERTILISER ASSOCIATION OF INDIA‟s AWARD FOR
              EXCELLENCE IN SAFETY
Awards   (Contd…)




NATIONAL ENERGY CONSERVATION AWARD, 2002 FROM
             MINISTRY OF POWER
Awards (contd…)




      NATIONAL SAFETY COUNCIL OF INDIA
            SAFETY AWARDS-2000
Awards   (Contd…)




THE FERTILISER ASSOCIATION OF INDIA‟s AWARD FOR
                BEST ARTICLE
Awards   (contd…)




   IFFCO-Aonla unit has bagged National Energy
   Conservation Award-2003 : Certificate of merit
Awards   (contd…)




  IFFCO-Aonla unit has won the NSCI Safety Award
        (Prashansa Patra) for the year 2002
Awards




GOLDEN PEACOCK ENVIRONMENT MANAGEMENT
 AWARD-2005 (CERTIFICATE OF COMMENDATION)
Awards(Contd)




NATIONAL SAFETY AWARD -2004 (RUNNER UP UNDER SCHEME-II)
Award was presented by Sh K M Sahani, Hon‟ble Secretary,
    Ministry of Labour & Employment for outstanding
  performance in industrial safety during the year 2004
           based on longest accident free year
Awards     (contd…)




RAJIV RATNA NATIONAL AWARD-2005 : BEST EXECUTIVE
GOLD AWARD FOR SH H C DAVE, EXECUTIVE DIRECTOR
Awards   (contd…)


   PRASHANSHA PATRA
 FOR THE YEAR 2004&06 FROM
  NATIONAL SAFETY COUNCIL
    FOR DEVELOPING AND
IMPLEMENTING OCCUPATIONAL
SAFETY & HEALTH MANAGEMENT
  SYSTEMS & PROCEDURES
NSCI AWARD-2004
Awards   (contd…)


ICQESMS-2005 &2007 EXCELLENCE
            AWARD
    FOR PAPER PRESENTED IN
    4TH INDIAN CONGRESS ON
QUALITY, ENVIRONMENT, ENERGY AND
 SAFETY MANAGEMENT SYSTEM-BY
  CBWE & JADHAVPUR UNIVERSITY
ENERGY AWARD
CII AWARD
NSA AWARD-2006
FAI AWARD –SAFETY 2007
Production
 Performance

- A Brief Overview
Production Performance
                         UREA PLANT-I
                                 Annual Capacity v/s Actual Production (Lakh MT)

                               8.65                8.65 8.65   8.65 8.65     8.65      8.65   8.65 8.65
                         8.7
                         8.6
                         8.5
Production ( lakh MT )




                         8.4
                         8.3
                         8.2          8.14

                         8.1
                           8
                         7.9
                         7.8   2000-01             2003-04     2004-05       2005-06          2006-07


                                             Capacity             Actual Production
Production Performance(Contd.)
                         UREA PLANT-II
                                   Annual Capacity v/s Actual Production (Lakh MT)


                                                                     8.65                          8.65                             8.65
                                                             8.64                8.65                       8.65             8.65
                            8.65                    8.65
                                   8.58
                            9


                            8


                            7
Production ( lakh MT )




                            6


                            5


                            4


                            3


                            2


                            1


                            0
                                      2000-01              2001-02     2002-03                   2003-04           2004-05




                                                Capacity                                Actual Production
Energy
Conservation -
 A major concern
Reduction In Overall Specific Energy
Consumption (Aonla-I+II)


                      OVERALL ENERGY OF THE COMPLEX
                                            (GCAL/TE UREA)

 1998-1999   1999-2000    2000-2001        2001-2002     2002-2003       2003-2004      2004-2005         2005-2006



  5.9303              0.0646
                                  0.1305        0.2598
                                                                0.3060         0.2901
                                                                                                 0.2893         0.3570
             5.8657
                         5.7998

                                           5.6705
                                                           5.6243          5.6402       5.6410
                                                                                                           5.5733
Environment Management
Environment Management
Awards & Certifications
   Bagged Indo-German Greentech Environmental
    Excellence Award for 2 consecutive years (in 1999-
    2000 and 2000-2001).
   Bagged Corporate Environment Award 2002-03
    (certification of participation) from TERI in recognition
    of the efforts made towards Environment
    Management and sustainable initiatives.
   Bagged Golden Peacock Environment Management
    Award-2005 (Certificate of Commendation).
   Achieved ISO 14001 certification for Plant and
    Township.
   Achieved OHSAS-18001 certification.
Green Belt Development

 The project site was completely barren with
  high soil alkalinity.

 Developed 80-M WIDE GREEN BELT around plant
  and township.

 Aforestation with about 1,70,000 TREE
  PLANTATION.

 Soil Treatment by using pyrite alongwith
  Gypsum, sweet soil topping up and cow-dung.
Environment Management
Approach
 Technology Selection on Zero - effluent concept
  based on Recycle and Reuse of Waste Water.
 Maximum reuse of treated water in the irrigation
  of green belt and lawns in the plant and township.
 Developed 80 to 250 meter wide green belt in &
  around the plant and township.
 Education and training of employees and
  awareness to residents of nearby areas regarding
  environmental issues
Environment Management
Approach (contd…)
   Environmental laboratory with pH meter,
    conductivity meter, SOx / NOx analyser, High
    Volume Sampler and Spectrophotometer etc.
   Continuous monitoring of quality of Ground water,
    Effluent, Stack emissions and Ambient Air.
   Environmental Management Cell for day to day
    monitoring , control , Environmental Auditing,
    Setting goals i.e Objectives & Targets for reduction
    of wastages in all forms.
Pollution Abatement Facilities
Ammonia Plants

   Process Condensate
    Contaminated Process Condensate
    undergoes stripping process in
    CONDENSATE STRIPPER with the help of
    steam . In this process impurities like CO2 ,
    NH3 and CH3OH are stripped off. It is then
    treated in Polishing Unit and recycled as
    Boiler Feed Water.
Pollution Abatement Facilities (Contd…)
Ammonia Plants (Contd…)

   Purge Gas Recovery Unit to recover Hydrogen
    from Purge gas.
   Total Recycle of Turbine Condensate.
   Reuse of Boiler Blow Down For cooling Tower
    Make-Up.
   Separation and Collection of Oil from Oily Water
    by means of Disc Oil Separator.
   Separation & Collection Of Occasional
    Ammonical effluents for treatment in ETP.
Pollution Abatement Facilities
Urea Plants
   Segregation,collection & Total Recycle of urea
    bearing waste after processing in Deep
    Hydrolyser and using the treated effluent as BFW
    make up after polishing. Ammonia & CO2 are
    recycled back to the process.
   Collection of occasional spill for treatment at
    Centralised Effluent Treatment Plant.
   Separation and collection of oil From oily water
    by means of Disc Oil Separator.
   Urea Prilling Towers (96 m & 104 m)
Pollution Abatement Facilities (Contd…)
D M / Water Treatment Plant

 Polishing Unit for the treatment of
  process/steam/ turbine condensates from
  the plants.

 Segregation, Collection & Neutralisation of
  Acidic and Alkaline Effluents.

 Utilisation of Acidic & Alkaline effluent for
  pH control.

 Absorption of Acid vapor fumes by water
  spraying.
Pollution Abatement Facilities (Contd…)

Product Handling plant


   Dust collection and it‟s
    reprocessing
   Collection of swept urea and
    it‟s reprocessing
Pollution Abatement Facilities (Contd…)
Centralised Effluent Treatment Plant

   Treats ammonia bearing occasional waste water from urea
    and ammonia plants with Air/Steam Strippers.
   Stores treated effluent in LDPE lined lagoons for green belt
    irrigation and functions as a buffer. These lagoons attract
    large number of migratory birds in winter months.
   Plant is having facilities for removal of Vanadium
    (occasional discharge) from GV system by precipitation
    and storage in secured lined pit.
EFFLUENT FLOW SCHEMATIC DIAGRAM
                                 ACIDIC AND ALKALINE EFFLUENT
                                                                ACID AND ALKALY
  OILY       OILY     DISC OIL             NEUTRALI-             DOSING FOR PH
EFFLUENT             SEPARATOR             SATION PIT             CORRECTION
             WATER

                              OVER FLOW                                   TREES


                                   LIME
AMMONICAL
 EFFLUENT                                                                            TO ARIL
                     HOLDING        AIR & STEAM   HOLDING
                                                                                     RIVER
                                     STRIPPERS
                                                        PIT                GUARD
                        PIT
                                     AND V2O5                              PONDS
OCCASIONAL
                                     REMOVAL
 EFFLUENT                                                                  2X85000
FROM UREA                                                                    M3


                                                                           TREES
   C.T
BLOWDOWN
                                                                      FOR
                                                                      IRRIGATION
                                                                      OF GREEN
                                                                      BELT
 ACIDIC
ALKALINE       ACIDIC              NEUTRALISATION
EFFLUENT
              ALKALINE                    PIT
Pollution Abatement Facilities (Contd…)
On Line Monitoring of Stack Emissions & Liquid
Effluents
   Online SO2, NO2, O2 Analysers in Ammonia and
    Power Plants.
   On line pH meters, conductivity meters and silica
    analysers in DM Plant, Ammonia , Urea and Power
    Plants.
   On line pH meter and Ammonia analyser on factory
    discharge.
   Ammonia analysers in Ammonia storage area.
Pollution Abatement Facilities (Contd…)
Township

   ISO 14001 certified township.
   Irrigation of green belt and lawns by treated
    effluent , thus saving natural resources like
    water.
   Safe collection and disposal of township as
    well as Plant canteen solid waste.
   Conversion of township/plant solid garbage
    into Vermi-compost
Pollution Abatement Facilities (Contd…)
Environment & Pollution Control Cell

   Obtaining and renewal of Water/ Air Consent every
    year and implemented it‟s conditions continuously.
   Obtaining and renewal of Hazardous waste/Bio-
    medical Wastes Authorisation and implemented
    it‟sconditions.
   Implemented CREP recommendation.
   Safe Storage & disposal of Hazardous Wastes (spent
    catalyst and spent oil) as per CPCB guidelines.
   Submission of Annual Environmental statement.
CO2 Recovery From Flue Gas:

• In Aonla Unit, Lean NG is being supplied by
  GAIL through HBJ pipeline which results in CO2
  shortage for conversion of full Ammonia
  production to Urea leading to Ammonia stock
  buildup in the plant.
• CO2 recovery has been installed to meet the
  shortfall of CO2.
• CO2 recovery Plant is recovering 450 MTPD of
  CO2 from the Primary Reformer flue gases of
  Ammonia-I (A CDM Project).
CO2 to Urea plant
                          Flue gases to                   (CO2 : 99%min. dry
                           atmosphere                                 basis)
Flue gases
                                                                   CO2
    to
                                                                  Blower
atmosphere
             Flue gas
              Blower                      Lean solution
                          Absorption                      Regeneration
ID Fan                                    Rich solution


                                                             LP Steam




Flue gases from Primary        CDR Unit
   Reformer (CO2 : 10-
     12%dry basis)
Water Consumption (m3/hr)

Consumption Pattern       2005-06   2006-07

Plant                      240       250

Cooling Tower              940       830
Domestic&Miscellaneous     160       130
Total water consumption    1340      1210
Water Consumption (yearly)

Consumption Pattern       2005-06)   2006-07
Total water consumption   10660053   9551476
Urea Production           1737580    1770103
Water Consumption/MT of    6.135      5.396
Urea
Liquid Effluent Generation

Plant                     Qty. (m3/hour)

Ammonia (Occasional              6
waste)
Urea(Occasional waste)          12
Cooling Tower                  180
DM Plant                        40
Total                          238
For Irrigation Purposes        128
Discharge to Aril River         110
Details of Primary Reformer Stack of both
                Ammonia Plants
Sr.No   Descripn.
                    Amm-1      Amm-2
 1      Installed    1520       1520
        Capacity
        MTPD
 2      Type of       NG         NG
        Fuel
 3      Height of     30         30
        Stack(M)
 4      Flue gas    2,25,000   1,90,000
        flow rate
        NM 3 /hr.
Details of Primary Reformer Stack of both
           Ammonia Plants (contd…)

Sr.No    Particulars
  .                      Amm-1       Amm-2
 5.     Flue gas          160          139
        Temp.0C
 6.     Eflux             9.4          7.9
        Velocity,m/sec
        .
 7.     SO2 Conc.        Traces      Traces
        (ppm)
 8.     Nox Conc.         <70          <70
        (ppm)
Details of Prill Towers


Sr.    Particulars
No.                     Urea-1          Urea-2
 1.   Installed          2600            2600
      capacity
      (MTPD)
2.    Height of Prill     104             96
      Tower
      (m).
3.    Air Flow          1.06X106        1.27X106
      (nm3/hr.)
4.    Exhaust air         53              50
      Temp. (0C)
5.    Ambient Air         22              22
      Temp. at
      Ground Level
      (0C)
Effluent Analysis
                       (Factory Discharge)
Sr.    Parameter         Unit   Standard       Avg         Avg         Avg
No.                                           Value       Value       Value
                                            (2004-05)   (2005-06)   (2006-07)
1.    pH                 ----   6.5 – 8.0      7.40        7.52        7.7


2.    Ammonical          PPM       50         9.87       11.98       11.92
      Nitrogen

3.    Free-              PPM       5          1.60       00.53        0.53
      Ammonia

4.    Total Kjeldahl     PPM      100        33.70       18.27       24.99
      Nitrogen
Pollutants      unit   Standard of   Annual          % Increase
                       UPPCB         Average         /Decrease
                                     concentration   (+)/(-) of
                                     of Pollutants   Pollutants


pH              -      5.5-9.0       7.70            ---
Cr+6*           mg/L   0.1           NT              ---
Total Cr*       mg/L   0.5           NT              ---
Oil/ Grease     mg/L   10            NT              ---
Ammoniacal      mg/L   100           11.92           (-)88
Nitrogen as N
T.K.N.          mg/L   150           24.99           (-)83.6
T.S. S          mg/L   100           33.33           (-)66.67
Free NH3        mg/L   5.0           0.53            (-)89.4
B.O.D           mg/L   30.0          15.82           (-)42.6
C.O.D           mg/L   250.0         39.24           (-)84.3
Phosphate as    mg/L   5.0           0.65            (-)87
PO 4
ANALYSIS OF STACK EMISSIONS
                  (AMMONIA PLANTS)
        Plant      parameter    Unit    Standards      Avg         Avg         Avg
                                                      Value       Value       Value
                                                    (2004-05)   (2005-06)   (2006-07)
      Ammonia-I      SPM       Mg/Nm3     500          NT          NT          NT

                     SOX        PPM       100        Traces      Traces      Traces

                     NOX        PPM       100          74          72          70

      Ammonia-II     SPM       Mg/Nm3     500          NT          NT          NT

                     SOX        PPM       100         3.14       Traces      Traces

                     NOX        PPM       100          58          42          32
PPM
ANALYSIS OF STACK EMISSIONS
    ( PRILL TOWER UREA DUST EMISSION)

Plant     Parameter    Unit    Standard      Avg      Avg Value   Avg Value
                                            Value     (2005-06)   (2006-07)
                                          (2004-05)
Urea I
          SPM         Mg/nm3     50        26.90         40         38.59
          Urea Dust

          Ammonia      PPM       50        30.48         30          30


Urea II   SPM         Mg/nm3     50        27.64         38         35.85
          Urea Dust

          Ammonia      PPM       50        36.54         36          36
ANALYSIS OF STACK EMISSIONS
   (STEAM & POWER GENERATION PLANT)

Plant     Parameter    Unit    Standards      Avg         Avg       Avg
                                             Value       Value     Value
                                           (2004-05)   (2005-06) (2006-07)
Steam &    SPM        Mg/Nm3     500        Traces      Traces    Traces
Power
Generation
Plant      SOX         PPM       500        Traces      Traces    Traces


          NOX          PPM       100          34        39.19       32
ANALYSIS OF STACK EMISSIONS
          (HRSG OF POWER PLANT)


  Plant      Parameter    Unit    Standards      Avg       Avg       Avg
                                                Value     Value     Value
                                              (2004-05) (2005-06) (2006-07)
Heat           SPM       Mg/Nm3     500        Traces    Traces    Traces
Recovery
Steam
Generation     SOX        PPM       100        Traces    Traces   Traces
Plant
(HRSG)
               NOX        PPM       100          48      34.49       32
AMBIENT AIR QUALITY


Location                 SPM       NH3         SO2         NO2
Unit                   Microgm/n Microgm/n   Microgm/n   Microgm/n
                           m3        m3          m3          m3
Standards(UPPCB)          500       100         120         120

NAAQS                     360       100         80          80

Ammonia Storage           182       40         1.84        5.83
Area (Plant)
Guest House               176       32         2.00        4.52
(surrounding area of
plant)
GET Hostel                181       31         2.19        4.99
(surrounding area of
plant)
Transport Office          203       42         1.48        4.11
(surrounding area of
plant)
Ground Water Monitoring
Parameters   Unit    Standard   Annual
                                Average
                                Analysis
Nitrate as NO3 PPM   10         1.49

Chromium     PPM     0.1        NT
Hazardous Waste
Hazardous Waste          Financial Year-2005-06   Financial Year-2006-07


a)From Process           20 m3                    21 m3

Spent Oil(Reclaimed &   ZNO:22.93 MT             NIL
 Reused /sold)           Ni-Catalyst:3.81 MT
•Spent Catalyst
b)From Pollution
Control
Facilities
•Acidic and Alkaline
effluents Neutralized    35-40 m3/hr (Annual      35-40m3/hr(Annual
(Quantity)               Average)                 Average)
21 m3 spent oil sold to m/s Friends Petro chemical Industires,Panipat
having authorisation from CPCB
21
SOLID WASTES
Hazardous Waste         Financial Year(2005-   Financial Year(2006-
                        06)                    07)

Chromate sludge        Use of Cr+6            Use of Cr+6
containing              compounds has been     compounds has been
Hydroxides of Fe, Al,   discontinued since     discontinued since
Cr, Zn & Calcium        march 1999,Hence       march 1999,Hence
                        there is no chromate   there is no chromate
                        sludge formation       sludge formation



•Quantity reused        NIL                    NIL
LIQUID WASTES

(A)COOLING TOWER BLOW DOWN (125 M3/Hr.per plant)

(B  ) OIL CONTAINING WATER (5 TO 10 M3/Hr):

C) ACIDIC AND ALKALINE WASTE (Avg. 35 – 40M3/Hr)
(



COST OF POLLUTION CONTROL MEASURES AGAINST PER
MT OF UREA PRODUCTION DURING 2006-07.

Rs. 25.80 (Approx )
ACTIVITIES FOR ENVIRONMENTAL PROTECTION WHICH IS
RELATED TO POLLUTION CONTROL
•Plantation of approx. 8,000 trees in year 2007-08 for gap filling
and replenishment of dead wood trees in factory and township
area.
Pre/Post monsoon “Monitoring of Underground Water” at different
locations as per CPCB guidelines.
Utilisation of more “Treated waste water in Green Belt”.
Consumption of “Natural Resources more economically”.
Safe Disposal of “Solid Waste.”
Implementation of Carbon Dioxide Recovery Unit (CDR)
A carbon Dioxide Recovery (CDR) unit has been installed in the
Capacity Enhancement / debottlenecking of the IFFCO Aonla Unit
, for which environmental clearance from U.P.Pollution Control
Board and Ministry of Environment & Forest have been obtained.
In this unit, a total of 450 MTPD of CO2 is recovered from the
stack flue gas of Primary Reformer of Ammonia –I . This quantum
of CO2 is utilised for the full conversion of ammonia to urea.
MEASURES TAKEN FOR ENVIRONMENTAL PROTECTION AND POLLUTION
CONTROL IN IFFCO AONLA UNIT
The environmental management at our unit aims for the abatement of pollution at the
source of generated itself. The following measures are being taken regularly for the
control of pollution and protection of environment :-
•Zero effluent technology, based on recycling and reuse of waste generated in the main
plants.
•Utilization of resources prudently so that waste generation is minimized.
•Treatment of waste water containing Ammonia & Urea through Deep Urea Hydroliser in
both the Urea Plant separately and reusing it as Boiler Feed Water.
•Treatment of Process Condensate by Process Condensate Stripper in both the
Ammonia Plant and reusing it as Boiler Feed Water.
•Treatment and polishing of Turbine Condensates from ammonia and urea plants in DM
Plant and reusing it as Boiler Feed Water.
Collection of Oil containing water and spilled oil from the compressor houses of all the
plants separately in oil collection pit. The oil is separated through “Disc Oil Separator”.
The reclaimed oil is either reused or sold to vendors having authorisation from CPCB
and the waste water is being sent to ETP for further treatment.
Neutralisation of Acidic and Alkaline waste generated due to the regeneration of
exhausted cation and anion resins in DM Plant.
Use of Eco-friendly, Non-chromate based corrosion inhibitor in cooling water
treatment. Thus avoiding the generation of hazardous Chromate sludge .
Treatment of occasional waste water containing ammonia generated during upset and
startup/shutdown condition of the plants in Effluent Treatment Plant through Air/Steam
•The treated waste water is collected in two nos. of LDPE lined lagoons (Guard-Ponds)
of capacity 85,000 m3 each at the terminal end of ETP. 60-70% of this treated effluent
is being used in the irrigation of green belt in and around the plant.
•Continuous monitoring of quality of liquid effluent, storm drain water, ground water,
stack flue gases, urea prill tower dust emission, ambient air by IFFCO’s own
Environmental Laboratory and also by an accredited third party U.P. Pollution Control
Board, Bareilly.
•All pollution control devices in the plants are maintained in perfect good condition and
their performances are monitored regularly by our laboratory.
•Built in safety logic’s and guards in the plant operations and safe shut down/starts ups.
•Education and training of employees regarding environmental issues.
•Generating awareness for Environment Protection in surrounding villages.
•The safe disposal of wastes of township households , plant canteen and Horticulture
     and it’s conversion into manure by “VERMI-COMPOSTING PLANT”.
.The spent oil and spent catalysts (as and when discarded or exchanged) are
     stored in factory premises in sealed covered drums on pucca plateform under a shed
     and sold to vendors as per CPCB guidelines .

GREEN BELT DEVELOPMENT
Green belt has been developed all along the factory and township. The width of green
belt various from 80 M to 250 M as per the condition of environmental clearance.
Moreover additional afforestation is being carried out every year to fill up left out area
and replacement of dead wood trees in factory and township.
EMS IMPLEMENTATION :

IFFCO Aonla fertilizer complex (Plant & township) was accredited for ISO:14001: 1996
certificate by M/s BVQI in 12.08.2000. It was further recertified in January,2003 for 3
years. The ISO:14001:1996 was upgraded as ISO:14001:2004. Environment
Management systems of IFFCO Aonla Unit was also updated as per revised
ISO:14001:2004 standards and got certified by M/s BVQI in April,2006.

Now, the Environment Management System of IFFCO Aonla Unit is accredited by M/s
NQA-QSR and the certificate of ISO:14001:2004 is valid upto 15th May,2010.

OHSAS Accreditation:
The Occupational Health & Safety Management Systems of IFFCO Aonla Unit was
assessed by M/s NQAQSR and found to conform to the “Occupational Health & Safety
Systems Specification” i.e. OHSAS 18001:1999 – Amendment 1:2002 and awarded
IFFCO Aonla Unit with OHSAS:18001:1999 Certificate. The certificate is valid up to
08/12/2010.

AWARDS:
•INDO GERMAN GREENTECH ENVIRONMENT EXCELLENCE AWARD 1999-2000 &
2000-2001
IFFCO Aonla Unit has been assessed and awarded 1st and 2nd position for its
outstanding achievements in the field of environmental protection by Indo-Greentech
Foundation for two successive years i.e. 1999-2000 & 2000-2001 respectively.
•TERI CORPORATE ENVIRONMENTAL AWARDS 2002/03
IFFCO Aonla Unit has been awarded by “TERI” CORPORATE ENVIRONMENTAL
AWARD 2002/03 (CERTIFICATE OF PARTICIPATION) in recognition of it’s leadership
efforts towards environmental management and sustainable initiatives amongst
corporates with turnover above 500 crore rupees.
•GOLDEN PEACOCK ENVIRONMENT MANAGEMENT AWARD 2005
The Environmental Management Systems and techniques adopted in IFFCO Aonla Unit
were adjudged by a jury of World Environment Foundation and awarded “GOLDEN
PEACOCK AWARD - SPECIAL COMMENDATION” of Environment Management
Award-2005 in June, 2005.
ENVIRONMENTAL STATEMENT

•No adverse environmental impact observed in Eco-system due to plant
operation.
•All the pollution Control devices in plants are being kept in perfect
working condition and their performance is being monitored regularly.
•Network of irrigation piping has been laid down in plant and township to
utilise treated waste water/effluent . Approx. 60 to 70% of it is being
used in irrigation of green belt in and around the factory and township.
•Ammonia and Hydrogen monitoring system has been installed in the
plants for early leak detection of leakage’s, if any.
•Series of lectures are being taken regularly on environmental
awareness for the employees, contractors staff etc.
• Eco-friendly , Non-chromate corrosion inhibitors are being used in
cooling water treatment. Thus avoiding generation of hazardous waste
chromate sludge.
POLLUTION CONTROL IN UREA PROCESS
BLOCK DIAGRAM OF EMISSION SOURCES
Urea Process generates process water containing NH3-6%,CO2-2% &
Urea-1.0% by weight.

The principal source of this water is the synthesis reaction whwre 0.3 tonnes of
water is formed per ton of Urea.
2NH3+CO2→CO(NH2)2+H2O

The other sources of water are ejector steam,flush and seal water and steam used
in the waste water section.

The principal sources of urea ,NH3 and CO2 in the process water are:-
a)Presence of Ammonia in the urea solution feed to the evaporator
b)The formation of Biuret and the hydrolysis of urea in the evaporators,both
liberating NH3
2CO(NH2)2 →H2NCONHCONH2+NH3
CO(NH2)2+H2O →2NH3+CO2
c)Direct carry over of Urea from the evaporator separators to the
condensers(Physical entraiment)
d)The formation of NH3 from the decomposition of Urea ti Isocyanic Acid
CO(NH2)2 →HNCO+NH3
The reverse reaction occurs on cooling the products in the condensers.
(e) Off-gases from the recovery/recirculation stage absorbed in the process water.
(f) Off-gases from the synthesis section absorbed in the process water.
(g) Flush and purge water from pumps.
(h) Liquid drains from the recovery section.
Treated water : Urea-5 ppm,Ammonia-30 ppm
The purpose of the water teatment is to remove Ammonia,CO2,and Urea from the
process water and recycle the gases to the synthesis.This ensures raw material
utilisation is optimised and effluent is minimised.

Prill Tower Emissions
The prill tower is a major source of emission in urea plants. The large volumes of
discharged untreated cooling air contain particulate urea dust (1-2kg/t) as well as
NH3 (0.7-1.0kg/t).

Causes of dust formation
Cause                                               Particle    Size Dust    %of
                                                       Range            Total
   Condensation products of urea vapours/aerosols      0.5-2.0µm        50
   Reaction product of NH3 and isocyanic acid 0.1-3.0µm                 20
   (HNCO) to form Urea
   Prill satellites and undersize prills               10-100µm         5
   Crushing, abrasion and attrition on the tower floor 1-100µm          5
   Seeding dust                                        1-20µm           20

Towers with natural draft cooling are reported to have less dust emission than
towers with forced/induced draft air cooling.
 The lower air velocity and product mass per m 3 of tower volume reduces attrition
and carryover in the natural draft towers.
Operation and maintenance items significantly affecting dust formation
•Fouling of the prilling device causing wider spread in prill granulometry.
•High melt feed temperature causing increased evaporation.
•High prill temperature at the tower base. The largest prills may not have solidified
sufficiently and will fracture on impact.
•Dust emission is approximately proportional to prilling tower capacity.
•High air velocities and the air velocity distribution cause coarse dust to be
entrained.
•Weather conditions e.g. relative humidity, temperature can affect the air
quality/quantity.
•Unequal pressure in the prilling device causing a broad spread of prill size.
Prill tower emission abatement
Selection of the appropriate equipment for existing plants can be a complex issue.
Dry dust collectors, irrigated electrostatic
precipitators and irrigated dust scrubbers have been considered for dust
abatement but few have been commercially proven
. Wet scrubbers seem to be more attractive than dry dust collectors. Recovery of
the NH3 from the emission (for example by
 aqueous scrubbing) is very inefficient due to the low partial pressure of the gas
in the discharged air.
Existing prilling plant performance

           Prill Tower (Not Scrubbed)      Urea Dust          NH3
                                           mg/Nm3      kg/t   Mg/Nm3 kg/t
                                           35-125      0.5-2.2 35-245 0.5-2.7

Causes of dust formation
The following reflects some speculations about the causes of dust formation .
•Urea vapour formation during hot spraying of the urea melt and its subsequent
condensation/solidification into small
•(0.5-3.0mm) particles. The vaporisation becomes negligible when the melt
concentration is reduced to 95%.
•Reaction product of NH3 with isocyanic acid to form Urea.
•Entrainment of fine dust in the air.
•Solidification of sprayed molten urea droplets prior to coating due to excessive
• air flow.
•High vapour pressure of sprayed molten urea.
•High or low temperature, producing soft or brittle granules.
•Inter-granular friction causing surface abrasion
Feasible and Available Emission Abatement Techniques
Gaseous emissions
•Scrubbing of off-gases with process condensate prior to venting inerts to
Atmosphere.
•Wet scrubbing of prill tower and granulation air to recover urea and NH3.
•Connection of ammonia pump safety relief valves/seals to a flare; connection of
• tank vents to the plant main stack
• or other safe location.
•Impact of granules with the metal surface of the drum.
•Dust reduction by producing granular rather than prilled product.
•Bag filtration of dust laden air from transfer points, screens, bagging
machines, etc. coupled with a dissolving system for recycle to the process.
•Flash melting of solid urea over-size product for recycle to the process.
•Collection of solid urea spillages on a dry basis
Liquid emissions
 Treatment of process waste water for recovery of urea, NH3 and CO2.
Improved evaporation separator design to minimize urea entrainment.
Provision of adequate storage capacity for inventory to cater for process upset
and shut-down conditions.
•Provision of submerged tanks to collect plant washings, etc. from drains for
recycle to the waste water treatment section.
•Use of mechanical seals instead of gland packing for pumps.
•Use of closed circuit gland cooling water system for reciprocating pumps.
•Replacement of reciprocating machinery with centrifugal type.
Solid waste
In the modern urea processes although the sophisticated handling of product
urea has reduced the chances of spillage,
still the formation of lumps and some spillage of urea prills cannot be ruled out.
To meet this exigency, a urea melting
system to employed. The melt urea obtained from the spillages and sweeping
should be suitably recycled in the processes.

Ambient Air Limit

                                  500 µ g / NM3
      SPM
                                  120 µ g / NM3
      SO2
      NO2                         120 µ g / NM3
      NH3                         400 µ g / NM3
Stack Limit

                       50 mg / NM3
         Urea
         NH3           50 PPM




Prill Tower Limit


     NOx            100 PPM
     SOx            500 PPM
     CO             50 PPM
     SPM            500 PPM
Effluent Discharge Limit



                       MINAS Norms   UPPCB Norms
PH                     6.5-8.0       5.5-9.00
colour                 absent        absent
NH3 (Total)            50 PPM        100
Free NH3               4 PPM         5 PPM
TKN                    100 PPM       150 PPM
COD                    250 PPM       250 PPM
BOD                    30 PPM        30 PPM
Cl-                    600 PPM       600 PPM
Oil & grease           10 PPM        10 PPM
TSS                    100 PPM       100 PPM
Cr (Cr+6)              0.1 PPM       0.1 PPM
Po4-                   -             5 PPM
Zn                     -             5 PPM
V+5                    -             0.2 PPM
Raw Water Analysis

    PH                8.1
    CONDUCTIVITY      560
    TH                44
    Ca AS Caco3 ppm   29
    Mg as CaCo3 ppm   15
    P. Alk as CaCo3   NT
    M Alk as Ca Co3   219.25
    Cl as Cl          17.73
    Sulphur as so4    37.03
    Iron as Fe        0.08
    Silica as Sio2    20
    T..D.S            302
    Turbidity NTU     <1.0
    Sodium as Na      106
    Nitrite as NO3    0.30
CARBON DIOXIDE RECOVERY (CDR) FROM FLUE GASES OF PRIMARY
REFORMER AT IFFCO AONLA UNIT

IFFCO, a premier fertilizer company has installed and commissioned Carbon
Dioxide Recovery (CDR) Plant at it‟s Aonla & Phulpur Units for recovery of CO2
from Primary Reformer Flue Gases based on the technology from M/s Mit
subishi Heavy Industries (MHI) Limited, Japan and Detailed Engineering from M/s
Tecnimont ICB (TICB) Private Limited, Mumbai.

The CO2 recovered from flue gases makes up for deficit of CO2 due to use of Lean
NG / R-LNG & leads to conversion of all the Ammonia produced to Urea, thus
avoiding Ammonia stock build up. The recovery of CO2 from flue gases also
reduces CO2 emissions (Green house gas) to atmosphere and thus contributes to
cleaner environment.

Carbon Dioxide (CO2) Recovery from Flue Gases.
The CO2 Recovery from flue gases is having following distinctive advantages:

It reduces CO2 emissions (Green house gas) to atmosphere, contributes to
cleaner environment, conserves carbon intensive fossil fuels like Naphtha and
thus has a great potential to be covered under Clean Development Mechanism
(CDM) of UNFCCC. The trading of certified emission reductions (CERs) through
CDM generates additional revenues & increases the viability of the CDR Project.
Production of additional CO2 from CDR unit in place of costlier Naphtha feed,
    shall decrease cost of production of Urea and hence shall reduce Government
    of India‟s annual subsidy outgo.

SALIENT FEATURES OF CDR PROJECT
The following are the salient features of CDR Project ordered on M/s TICB,
Mumbai & M/s MHI, Japan :
Source of CO2         : Flue gases from Primary Reformer stack of
                                  Ammonia Plant
Plant Capacity        : 450 MTPD CO2 (100% basis)

MHI CDR
      PROCESS
The CDR plant consist of four main sections; 1) Flue gas pre-treatment section,
2) CO2 absorption section, 3) Solution regeneration section, 4) CO2 compression
section. The following block flow diagram shows the plant configuration.


                                                  TREATED
                                                  FLUE GAS




                                                               CO2 LEAN
                                                               SOLUTION
          Flue Gas Source   FLUE        (1)           (2)                     (3)          (4)
             (Primary        GAS     Flue Gas        CO2                   Solution        CO2
            Reformer)              Pretreatment   Absorption              Regeneratio   Compressio
                                                                               n            n        CoCO2 Product
                                                                                                       2 product
                                                               CO2 RICH                               fnfp’I’I’
                                                               SOLUTION                               To Urea
                                                                                                      Plant
•1) Flue Gas Pre-treatment
The hot flue gases at about 150 – 180 0C are cooled to 42 0C, using flue gas
cooling system prior to the CO2 absorption in Absorber, to optimise KS-1
solution consumption & lower flue gas temperature which is favourable for
CO2 absorption.
The Flue gas water cooler is a packed column with SS structured packing.
Flue gas is cooled in the upper packing section of the Flue gas water cooler
by direct contact with water supplied from top of the tower. Circulating water
is cooled by a plate type heat exchanger. De-SOx (SOx removal) is carried out
in the lower packing section of Flue gas water Cooler by circulating dilute
caustic solution. Any slippage of SOx in the Flue gas from Flue gas water
cooler to CO2 Absorber shall cause KS-1 Solvent degradation.
A Flue gas blower has been provided at downstream of Flue gas water cooler
to draw the flue gas from existing stack to overcome the pressure drop
across Flue gas water cooler & CO2 Absorber.
•2) CO2 Absorption
The CO2 absorber is a packed bed column with SS structured packing. The CO2
absorber has two main sections namely, the CO2 absorption section in the lower
part, and the treated flue gas washing section in the upper part.
•The cooled flue gas from the Flue gas water cooler is introduced into the bottom
section of the CO2 absorber through flue gas blower. The flue gas comes in
contact with the KS-1 solution on the surface of the packing in absorption section,
where CO2 in the flue gas is absorbed by the KS-1 solution. The flue gas then
 moves upward into the treated flue gas washing section in the upper part of the
 CO2 absorber . The flue gas comes in contact with water for washing of entrained
 amine content, as well as for cooling down to maintain water balance within the
 system. The treated flue gas is exhausted from the top section of the CO2
 absorber at sufficient height.
 Rich solution from the bottom of the CO2 absorber is pumped to the Regenerator
 through Solution heat exchangers to exchange heat with hot lean solution from
 Regenerator bottom.
•3)Solution Regeneration
The Regenerator is a packed column with random SS packing, where the rich solution is
steam-stripped and CO2 is removed from the rich solution.
The rich solution (from the bottom of the CO2 absorber) after exchanging heat with the hot
lean solution (from bottom of regenerator) in “Solution heat exchangers” enters the upper
section of the regenerator. The regeneration heat is indirectly supplied by LP Steam
through re-boilers.
The overhead vapor from Regenerator column is cooled to 40C in Regenerator
condenser using cooling water. The condensed water is returned from the Regenerator
reflux drum to the top of the Regenerator by the Regenerator reflux pump to enhance
CO2 purity, remove KS-1 mist entrained in CO2 gas & maintain water balance in the
system .
The lean solution is cooled to the optimum reaction temperature of 40C by the
Solution heat exchangers and the Lean solution cooler prior to being fed to the CO2
absorber. 10% of the lean solution flows through a carbon filter system to eliminate
oil and soluble impurities. The mechanical guard filters are provided before and
after the carbon filter to remove insoluble particulate.

•4) CO2 Compression
The CO2 product gas is compressed by the CO2 compressor & then cooled in a
Compressor discharge cooler to supply product CO2 at a pressure of 0.8 Kg/cm2g
& temperature of 40 C at CDR plant battery limit. The product CO2 having purity
around 99.8 %(v/v) is sent to the existing Urea Plants by interconnection with
existing CO2 header.
ENVIRONMENTAL POLICY OF IFFCO AONLA

IFFCO Aonla unit is committed for continual improvement and protection of
environment by setting and reviewing the objectives and targets through
Environmental Management System focussing at: :-

•Compliance of applicable legislation at work place and other
requirements, which the organization subscribe.

•Monitoring and conserving natural resources.

•Effluent and waste minimization by way of recycling and reuse.

•Developing awareness and competence amongst Employees,
Contractor’s Staff and related agencies on environmental issues.

•Emergency preparedness for safety of concerned personnel and plant.
Achievement of Objective & Target of 2006- 07

No.1. To achieve Urea spillage not more than 397 MT/Month in 2006-07 by
reducing 5% of the value achieved in 2005-06 i.e 418 MT/Month.
Achieved 390 MT/Month Urea Spillage in year 2006-07.

2.To reduce water consumption below 6.70 M3/MT of urea production in year 2006-
07.
Achieved 5.40 M3/MT Urea Production in year 2006-07.

•To plant minimum 10,000 trees in plant and township.
10285 Trees planted during year 2006-07 in plant and township.

•To keep SPM particulate matter in ambient air below 200 micrograms/nm3 in plant.
Achieved annual average value of SPM in Plant 181.75 Microgram/NM3.

•To bring awareness among new / transferred employees, contractor’s staff and
related agencies on relevant environmental issues to minimum 200 participants.
Imparted awareness on environmental issues to 200 participants.
Environmental Aspects Analysis Criteria :G = AxBxCxDxExF


   Point Quantity    Occurrence Impact      Legislation   Detection   Control
         (A)         (B)        (C)         (D)           (E)         (F)
   5     Excessiv    Continuous Human       Not           More than   Absence
         e                      Health      Meeting       24 hours
   4     High        Daily      Flora                     Within 24   Mechanis
                                Fauna                     hours       m
                                and                                   Provided
                                Global
                                issue
   3     Medium      Once a     Resource    Not       Within 8        Human
                     Week       Depletion   meeting   Hours           Interventio
                                            Company’s                 n
                                            Threshold
                                            Limit
   2     Low         Once a      Cause                Within 1        In built
                     month       Discomfor            Hours           secondary
                                 t                                    Control
   1     Negligibl   Very Rare   Negligible Complianc Immediatel      Available
         e                                  e         y               &
                                                                      Effective
AMBIENT AIR QUALITY STANDARDS IN RESPECT TO NOISE



    Sr.No.   Activit   Category of       Day Time   Night Time Applicable
             y         Area/Zone         (6AM to    (10PM to 6 Section of
                                         10PM)      AM)        Rules



    1.0      (A)       Industrial area   75         70         Schedule as
                                                               per rule 3(1)
    2.0      (B)       Commercial        65         55         & 4(1) The
                       area                                    Noise
    3.0      ©         Residential       55         45         Pollution
                       area                                    Rules, 2000
    4.0      (D)       Silence zone      50         40
Journey from barren land
             to
 large and eco-friendly
    fertiliser complex
Aonla site in 1984
( Land acquisition )
Aonla site in 1988
( Aonla-I commissioned )
Aonla site in 2007
( Large & eco-friendly fertiliser complex )
N.P.RAO

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Presentation On Environmental Management At Iit Roorkee

  • 1.
  • 3. IFFCO AONLA UNIT, BAREILLY (U.P.) WELCOME HONOURABLE CPCB OFFICIALS,ENGINEERS & DELEGATES AT IIT-ROORKEE
  • 4. ENVIRONMENTAL MANGEMENT AT IFFCO AONLA UNIT, BAREILLY (U.P.)
  • 5. IFFCO - In Brief
  • 7. IFFCO PLANTS KALOL UNIT PHULPUR UNIT CORPORATE OFFICE NEW DELHI Year of Commissioning - 1975 Year of Commissioning - 1981 Annual Ammonia Capacity - 363000 MT Annual Ammonia Capacity - 824000 MT Annual Urea Capacity - 544500 MT Annual Urea Capacity - 1415700 MT KANDLA UNIT AONLA UNIT PARADEEP UNIT Year of Commissioning - 1975 Year of Commissioning - 1988 Annual P2O5 Capacity - 910000 MT Year of Acquire - SEP-2005 Annual Ammonia Capacity - 1003200 MT Annual N Capacity - 351540 MT Annual Capacity -2000000 7 Annual Urea Capacity - 1729200 MT MT
  • 8. KALOL UNIT GUJRAT YEAR OF COMMISSIONING : 1975 INVESTMENT : Rs. 71.23 Cr. YEAR OF EXPANSION : 1997 INVESTMENT : Rs. 149.70 Cr. PRODUCT CAPACITY TPD TPA AMMONIA 1100 3,63,000 UREA 1650 5,44,500 „N‟ 759 2,50,470 8
  • 9. KANDLA UNIT GUJRAT YEAR OF COMMISSIONING : 1975 INVESTMENT : Rs. 24.26 Cr. YEAR OF FIRST EXPANSION : 1981 INVESTMENT : Rs. 28.60 Cr. YEAR OF SECOND EXPANSION : 1999 INVESTMENT : Rs. 205.30 Cr. PRODUCT CAPACITY TPD TPA „ P2O5 2890 9,10,100 „N‟ 1115 3,51,540 9
  • 10. AONLA UNIT UTTAR PRADESH YEAR OF COMMISSIONING : 1988 INVESTMENT : Rs. 651.6 Cr. AONLA- I YEAR OF EXPANSION : 1996 INVESTMENT : Rs. 954.7 Cr. AONLA- II PRODUCT CAPACITY TPD TPA AMMONIA 3040 10,03,200 UREA 5240 17,29,200 „N‟ 2410 7,95,430 10
  • 11. PHULPUR UNIT UTTAR PRADESH YEAR OF COMMISSIONING : 1981 INVESTMENT : Rs. 205.2 Cr. Phulpur - 1 YEAR OF EXPANSION : 1997 INVESTMENT - Phulpur-II : Rs.1190 Cr. PRODUCT CAPACITY TPD TPA AMMONIA 2497 8,24,000 UREA 4290 14,15,700 „N‟ 1973 6,51,222 11
  • 12. PARADEEP UNIT ORISSA COST OF ACQUISITION Rs. 2589.88 Crore (September 2005) PRODUCT CAPACITY TPD TPA PHOS. ACID 2650 8,75,000 SULPHURIC ACID 6970 23,00,000 P2O5 2650 8,75,000 N 1006 3,32,000 12
  • 13. IFFCO - AN ORGANISATION FOR THE FARMERS OF THE FARMERS BY THE FARMERS
  • 14. Origin of IFFCO  IFFCO was established on 3rd Nov.,67 as a co-operative of farmers to produce & market fertilisers.
  • 15. IFFCO – In Brief  Leading producer of fertilisers in India  No. of plant locations - Five  Installed Annual Capacity Urea : 3.69 Million Tonne NPK/DAP : 4.42 Million tonne
  • 16. IFFCO – In Brief  Contributes 18.3% to the total”N” and 50% to the total “P2O5” produced in the country.  Fertiliser marketed through around 37,500 cooperative societies and 158 Farmers Service Centres  Service to the farmers through a variety of programmes
  • 17. Vision & Mission Honorable Managing Director Shri U.S.Awasthi Under the dynamic leadership of our Honorable Managing Director Shri U. S. Awasthi IFFCO has drawn out plans to grow manifold in fertiliser sector as well as in allied areas.
  • 18. Recently Implemented Projects AONLA EXPANSION PROJECT PHULPUR EXPANSION PROJECT KALOL EXPANSION PROJECT KANDLA EXPANSION PROJECT ACCUISITION OF OSWAL FERTILISERS(Phosphatic)
  • 19. Joint Ventures JV FOR PHOS. ACID IN SENEGAL DIVERSIFICATION IN INSURANCE OMAN GRASSROOT PROJECT IFFCO-AIR TEL FOR RURAL COMMUNICATION
  • 20. Vision-2010 Targets have been set to achieve group turnover of Rs 15000 crore and annual profit of Rs 1500 crore. Areas contemplated for future growth include :  Power  Phos. Acid  Bio Fuels  Agri Business &  Renewable Exports Energy  Petroleum & Natural  Banking Gas  New Fertiliser  Petrochemicals units  Telecommunications
  • 21. Vision-2010 (contd…) Investment plan for expansion in Fertiliser sector and diversification into Power sector at an estimated outlay of Rs 9000 crore :  De-bottlenecking of existing plants for Capacity enhancement.  Mining project & Phosphoric acid plant at Egypt and Jordan  Acquisition of DAP & NPK facilities at Paradeep in Orissa  1000 MW Power project in State of Chattisgarh
  • 22. IFFCO AONLA UNIT ENERGY EFFICIENT COST- CONSCIOUS ECO-FRIENDLY & SAFETY CONSCIOUS HARMONIOUS INDUSTRIAL ENV. ISO-9001, ISO-14001 & OHSAS-18001 CERTIFIED
  • 23. IFFCO Aonla Unit …at a Glance
  • 24. SONIPAT SAHIBABAD 6” (20 KM) HBJ Gas BAHADURGARH 6” (52 KM) DESU DADARI 24” (104 KM) Pipeline 12” (35 KM) MARUTI 18” (47 KM) S‟ BAD TCL 24” (82 KM) MATHURA Network 14” (13 KM) 24” (90 KM) OCFL 24” (143 KM) 36” (505 KM) NTPC 18” (217 KM) 12” (2 KM) IGCL AURAIYA CS Jagdishpur 12” (32 KM) (5 NOS COMPRESSORS) CFCL SAMCOR BORARI 30” (321 KM) ANTA 18” (110 KM) 12” (14 KM) NFL 18” (3.6 KM) LPG VIJAIPUR CS (8 NOS COMPRESSORS) 36” (340 KM) 18” (1.1 KM) GSFC LPG JHABUA CS (10 NOS COMPRESSORS) Aonla Unit based on IOC, IPCL 36” (150 KM) 18” (32 KM) KAWAS VAGHODIA CS HBJ pipeline 12” (8 KM) 36” (149 KM) DPD HAZIRA CS 1225 Km from Hazira EX HAZIRA CONSUMERS - KRIBHCO, RPL, ESSAR, HWP, GGCL
  • 25. Ammonia Plant-I Ammonia Plant-II Production started on : 15.5.1988 Production started on : 13.12.1996 Capacity : 1520 MTPD Capacity : 1520 MTPD
  • 26. Urea Plant-I Urea Plant-II Production started on :18.5.1988 Production started on :26.11.1996 Capacity : 2620 MTPD Capacity : 2620 MTPD
  • 27. Railway Siding Product Handling Plant 9.38 KM Railway Siding on 110 Acres land In-plant yard comprising of 12 lines Capacity : 2x8 Bagging Naphtha / Fuel oil 4 lines on RCC apron Stations (Slat) @ 60 MTPH Capacity - Silo - I & II Silo-I : 45000 MT Silo-II : 30000 MT
  • 28. Power Plant Capacity : Steam generation plant : 150 MT/Hr Power generation Plant : GTG : 2X18 MW/Hr HRSG : 2X80 MT/Hr
  • 29. Cooling Towers Number of cells -  Urea Plant : 5 nos. each for Urea- I & II  Ammonia Plant :6 nos. each for Ammonia-I & II
  • 30. Ammonia Storage Tanks Capacity : 2x10,000 MT
  • 31. Lagoons Capacity : 2 x 85000 M3
  • 34. IFFCO Aonla Unit  IFFCO Aonla Unit was set up at Aonla, Bareilly in the year 1988 to increase the fertiliser production in the country under the overall national planning for utilisation of natural gas available from Bombay High.  In the year 1996 the production capacity was doubled with the commissioning of Aonla-II.
  • 35. Main Plants & Auxilliary Facilities Aonla-I Aonla-II Ammonia Plant 1520 MTPD 1520 MTPD (1740 MTPD) (1740 MTPD) Urea Plant 2620 MTPD 2620 MTPD (3030 MTPD) (3030 MTPD) S.G. facilities (116 Kg/Cm2, 515 Deg C) • Service Boiler 150 MTPH • Heat Recovery Unit 80 MTPH (80+120) MTPH Gas Turbine 25 MW 25 MW Generator (ISO)
  • 36. Main Plants & Auxilliary Facilities (Contd…) Instrument / Plant 6 X 1200 NM3/Hr Air Compressor 1X5000 NM3/Hr Water Treatment Plant 6 x 140 M3/HR Inert Gas (N2) Generation 600 NM3 /HR Ammonia Storage Tank 2 x 10,000 MT Air & Steam Stripping Unit Of (60+45) M3/Hr Ammonia Bearing Waste
  • 37. Main Plants & Auxilliary Facilities (Contd…) UREA BAGGING PLANT 2X8 Bagging Stations @ 250 MTPH FUEL OIL / NAPHTHA STORAGE Fuel Oil Storage 2 x 3650 M3 Naphtha Storage 2 x 6000 M3 1 x 10000 M3 UREA SILO Aonla-I 45000 MT Aonla-II 30000 MT
  • 38. IFFCO-AONLA UNIT GOT SEVERAL AWARDS AND CERTIFICATES FROM VARIOUS AGENCIES ,FOUNDATIONS, GOVERNMENT BODIES AND INSTITUTES SHE RELATED AWARDS RECENTLY WON BY IFFCO AONLA UNIT CII AWARD FOR ENERGY FOR EXCELLENCE IN ENERGY MANAGEMENT 21&22,AUG,2006 “RUNNER UP” IN NATIONAL SAFETY AWARDS-2times Ministry of labour & employment , Govt. of India 07-09-2005,sept2007 NSCI AWARDS-2004&2006 “PRASHANSHA PATRA” National Safety AWARD RECEIVED IN Council of India APRIL,2006&jan 2007 “GOLDEN PEACOCK” SPECIAL COMMENDATION OF World environment Foundation 11-06-2005 ENVIRONMENT MANAGEMENT AWARD-2005 “CERTIFICATE OF PARTICIPATION” CORPORATE TERI Corporate Environmental Awards ENVIRONMENTAL AWARDS-2002/03 05-06-2004 NSCI AWARDS 2000 &-2002 “PRASANSHA PATRA” National Safety 27-12-2003,10-12-2002 Council of India “CERTIFICATE OF MERIT” NATIONAL ENERGY National Energy Conservation in Fertiliser Sector by Ministry of Power, CONSERVATION AWARD-2003 Govt. of India 14-12-2003 “CERTIFICATE OF MERIT” NATIONAL ENERGY National Energy Conservation in Fertiliser Sector by Ministry of Power, CONSERVATION AWARD-2002 Govt. of India 14-12-2002 FAI AWARD FOR EXCELLENCE IN SAFETY2001-02,2005-06 FAI, ,05-12-2007 & 16-12-2002 38 NATIONAL ENERGY CONSERVATION AWARD-2006 (2Nd) 14TH DEC,2006, BY MIN OF POWER
  • 40. Awards (Contd…) THE FERTILISER ASSOCIATION OF INDIA‟s AWARD FOR EXCELLENCE IN SAFETY
  • 41. Awards (Contd…) NATIONAL ENERGY CONSERVATION AWARD, 2002 FROM MINISTRY OF POWER
  • 42. Awards (contd…) NATIONAL SAFETY COUNCIL OF INDIA SAFETY AWARDS-2000
  • 43. Awards (Contd…) THE FERTILISER ASSOCIATION OF INDIA‟s AWARD FOR BEST ARTICLE
  • 44. Awards (contd…) IFFCO-Aonla unit has bagged National Energy Conservation Award-2003 : Certificate of merit
  • 45. Awards (contd…) IFFCO-Aonla unit has won the NSCI Safety Award (Prashansa Patra) for the year 2002
  • 46. Awards GOLDEN PEACOCK ENVIRONMENT MANAGEMENT AWARD-2005 (CERTIFICATE OF COMMENDATION)
  • 47. Awards(Contd) NATIONAL SAFETY AWARD -2004 (RUNNER UP UNDER SCHEME-II) Award was presented by Sh K M Sahani, Hon‟ble Secretary, Ministry of Labour & Employment for outstanding performance in industrial safety during the year 2004 based on longest accident free year
  • 48. Awards (contd…) RAJIV RATNA NATIONAL AWARD-2005 : BEST EXECUTIVE GOLD AWARD FOR SH H C DAVE, EXECUTIVE DIRECTOR
  • 49. Awards (contd…) PRASHANSHA PATRA FOR THE YEAR 2004&06 FROM NATIONAL SAFETY COUNCIL FOR DEVELOPING AND IMPLEMENTING OCCUPATIONAL SAFETY & HEALTH MANAGEMENT SYSTEMS & PROCEDURES
  • 51. Awards (contd…) ICQESMS-2005 &2007 EXCELLENCE AWARD FOR PAPER PRESENTED IN 4TH INDIAN CONGRESS ON QUALITY, ENVIRONMENT, ENERGY AND SAFETY MANAGEMENT SYSTEM-BY CBWE & JADHAVPUR UNIVERSITY
  • 52.
  • 57.
  • 58. Production Performance - A Brief Overview
  • 59. Production Performance UREA PLANT-I Annual Capacity v/s Actual Production (Lakh MT) 8.65 8.65 8.65 8.65 8.65 8.65 8.65 8.65 8.65 8.7 8.6 8.5 Production ( lakh MT ) 8.4 8.3 8.2 8.14 8.1 8 7.9 7.8 2000-01 2003-04 2004-05 2005-06 2006-07 Capacity Actual Production
  • 60. Production Performance(Contd.) UREA PLANT-II Annual Capacity v/s Actual Production (Lakh MT) 8.65 8.65 8.65 8.64 8.65 8.65 8.65 8.65 8.65 8.58 9 8 7 Production ( lakh MT ) 6 5 4 3 2 1 0 2000-01 2001-02 2002-03 2003-04 2004-05 Capacity Actual Production
  • 61. Energy Conservation - A major concern
  • 62. Reduction In Overall Specific Energy Consumption (Aonla-I+II) OVERALL ENERGY OF THE COMPLEX (GCAL/TE UREA) 1998-1999 1999-2000 2000-2001 2001-2002 2002-2003 2003-2004 2004-2005 2005-2006 5.9303 0.0646 0.1305 0.2598 0.3060 0.2901 0.2893 0.3570 5.8657 5.7998 5.6705 5.6243 5.6402 5.6410 5.5733
  • 64. Environment Management Awards & Certifications  Bagged Indo-German Greentech Environmental Excellence Award for 2 consecutive years (in 1999- 2000 and 2000-2001).  Bagged Corporate Environment Award 2002-03 (certification of participation) from TERI in recognition of the efforts made towards Environment Management and sustainable initiatives.  Bagged Golden Peacock Environment Management Award-2005 (Certificate of Commendation).  Achieved ISO 14001 certification for Plant and Township.  Achieved OHSAS-18001 certification.
  • 65. Green Belt Development  The project site was completely barren with high soil alkalinity.  Developed 80-M WIDE GREEN BELT around plant and township.  Aforestation with about 1,70,000 TREE PLANTATION.  Soil Treatment by using pyrite alongwith Gypsum, sweet soil topping up and cow-dung.
  • 66. Environment Management Approach  Technology Selection on Zero - effluent concept based on Recycle and Reuse of Waste Water.  Maximum reuse of treated water in the irrigation of green belt and lawns in the plant and township.  Developed 80 to 250 meter wide green belt in & around the plant and township.  Education and training of employees and awareness to residents of nearby areas regarding environmental issues
  • 67. Environment Management Approach (contd…)  Environmental laboratory with pH meter, conductivity meter, SOx / NOx analyser, High Volume Sampler and Spectrophotometer etc.  Continuous monitoring of quality of Ground water, Effluent, Stack emissions and Ambient Air.  Environmental Management Cell for day to day monitoring , control , Environmental Auditing, Setting goals i.e Objectives & Targets for reduction of wastages in all forms.
  • 68. Pollution Abatement Facilities Ammonia Plants  Process Condensate Contaminated Process Condensate undergoes stripping process in CONDENSATE STRIPPER with the help of steam . In this process impurities like CO2 , NH3 and CH3OH are stripped off. It is then treated in Polishing Unit and recycled as Boiler Feed Water.
  • 69. Pollution Abatement Facilities (Contd…) Ammonia Plants (Contd…)  Purge Gas Recovery Unit to recover Hydrogen from Purge gas.  Total Recycle of Turbine Condensate.  Reuse of Boiler Blow Down For cooling Tower Make-Up.  Separation and Collection of Oil from Oily Water by means of Disc Oil Separator.  Separation & Collection Of Occasional Ammonical effluents for treatment in ETP.
  • 70. Pollution Abatement Facilities Urea Plants  Segregation,collection & Total Recycle of urea bearing waste after processing in Deep Hydrolyser and using the treated effluent as BFW make up after polishing. Ammonia & CO2 are recycled back to the process.  Collection of occasional spill for treatment at Centralised Effluent Treatment Plant.  Separation and collection of oil From oily water by means of Disc Oil Separator.  Urea Prilling Towers (96 m & 104 m)
  • 71. Pollution Abatement Facilities (Contd…) D M / Water Treatment Plant  Polishing Unit for the treatment of process/steam/ turbine condensates from the plants.  Segregation, Collection & Neutralisation of Acidic and Alkaline Effluents.  Utilisation of Acidic & Alkaline effluent for pH control.  Absorption of Acid vapor fumes by water spraying.
  • 72. Pollution Abatement Facilities (Contd…) Product Handling plant  Dust collection and it‟s reprocessing  Collection of swept urea and it‟s reprocessing
  • 73. Pollution Abatement Facilities (Contd…) Centralised Effluent Treatment Plant  Treats ammonia bearing occasional waste water from urea and ammonia plants with Air/Steam Strippers.  Stores treated effluent in LDPE lined lagoons for green belt irrigation and functions as a buffer. These lagoons attract large number of migratory birds in winter months.  Plant is having facilities for removal of Vanadium (occasional discharge) from GV system by precipitation and storage in secured lined pit.
  • 74. EFFLUENT FLOW SCHEMATIC DIAGRAM ACIDIC AND ALKALINE EFFLUENT ACID AND ALKALY OILY OILY DISC OIL NEUTRALI- DOSING FOR PH EFFLUENT SEPARATOR SATION PIT CORRECTION WATER OVER FLOW TREES LIME AMMONICAL EFFLUENT TO ARIL HOLDING AIR & STEAM HOLDING RIVER STRIPPERS PIT GUARD PIT AND V2O5 PONDS OCCASIONAL REMOVAL EFFLUENT 2X85000 FROM UREA M3 TREES C.T BLOWDOWN FOR IRRIGATION OF GREEN BELT ACIDIC ALKALINE ACIDIC NEUTRALISATION EFFLUENT ALKALINE PIT
  • 75. Pollution Abatement Facilities (Contd…) On Line Monitoring of Stack Emissions & Liquid Effluents  Online SO2, NO2, O2 Analysers in Ammonia and Power Plants.  On line pH meters, conductivity meters and silica analysers in DM Plant, Ammonia , Urea and Power Plants.  On line pH meter and Ammonia analyser on factory discharge.  Ammonia analysers in Ammonia storage area.
  • 76. Pollution Abatement Facilities (Contd…) Township  ISO 14001 certified township.  Irrigation of green belt and lawns by treated effluent , thus saving natural resources like water.  Safe collection and disposal of township as well as Plant canteen solid waste.  Conversion of township/plant solid garbage into Vermi-compost
  • 77. Pollution Abatement Facilities (Contd…) Environment & Pollution Control Cell  Obtaining and renewal of Water/ Air Consent every year and implemented it‟s conditions continuously.  Obtaining and renewal of Hazardous waste/Bio- medical Wastes Authorisation and implemented it‟sconditions.  Implemented CREP recommendation.  Safe Storage & disposal of Hazardous Wastes (spent catalyst and spent oil) as per CPCB guidelines.  Submission of Annual Environmental statement.
  • 78. CO2 Recovery From Flue Gas: • In Aonla Unit, Lean NG is being supplied by GAIL through HBJ pipeline which results in CO2 shortage for conversion of full Ammonia production to Urea leading to Ammonia stock buildup in the plant. • CO2 recovery has been installed to meet the shortfall of CO2. • CO2 recovery Plant is recovering 450 MTPD of CO2 from the Primary Reformer flue gases of Ammonia-I (A CDM Project).
  • 79. CO2 to Urea plant Flue gases to (CO2 : 99%min. dry atmosphere basis) Flue gases CO2 to Blower atmosphere Flue gas Blower Lean solution Absorption Regeneration ID Fan Rich solution LP Steam Flue gases from Primary CDR Unit Reformer (CO2 : 10- 12%dry basis)
  • 80. Water Consumption (m3/hr) Consumption Pattern 2005-06 2006-07 Plant 240 250 Cooling Tower 940 830 Domestic&Miscellaneous 160 130 Total water consumption 1340 1210
  • 81. Water Consumption (yearly) Consumption Pattern 2005-06) 2006-07 Total water consumption 10660053 9551476 Urea Production 1737580 1770103 Water Consumption/MT of 6.135 5.396 Urea
  • 82. Liquid Effluent Generation Plant Qty. (m3/hour) Ammonia (Occasional 6 waste) Urea(Occasional waste) 12 Cooling Tower 180 DM Plant 40 Total 238 For Irrigation Purposes 128 Discharge to Aril River 110
  • 83. Details of Primary Reformer Stack of both Ammonia Plants Sr.No Descripn. Amm-1 Amm-2 1 Installed 1520 1520 Capacity MTPD 2 Type of NG NG Fuel 3 Height of 30 30 Stack(M) 4 Flue gas 2,25,000 1,90,000 flow rate NM 3 /hr.
  • 84. Details of Primary Reformer Stack of both Ammonia Plants (contd…) Sr.No Particulars . Amm-1 Amm-2 5. Flue gas 160 139 Temp.0C 6. Eflux 9.4 7.9 Velocity,m/sec . 7. SO2 Conc. Traces Traces (ppm) 8. Nox Conc. <70 <70 (ppm)
  • 85. Details of Prill Towers Sr. Particulars No. Urea-1 Urea-2 1. Installed 2600 2600 capacity (MTPD) 2. Height of Prill 104 96 Tower (m). 3. Air Flow 1.06X106 1.27X106 (nm3/hr.) 4. Exhaust air 53 50 Temp. (0C) 5. Ambient Air 22 22 Temp. at Ground Level (0C)
  • 86. Effluent Analysis (Factory Discharge) Sr. Parameter Unit Standard Avg Avg Avg No. Value Value Value (2004-05) (2005-06) (2006-07) 1. pH ---- 6.5 – 8.0 7.40 7.52 7.7 2. Ammonical PPM 50 9.87 11.98 11.92 Nitrogen 3. Free- PPM 5 1.60 00.53 0.53 Ammonia 4. Total Kjeldahl PPM 100 33.70 18.27 24.99 Nitrogen
  • 87. Pollutants unit Standard of Annual % Increase UPPCB Average /Decrease concentration (+)/(-) of of Pollutants Pollutants pH - 5.5-9.0 7.70 --- Cr+6* mg/L 0.1 NT --- Total Cr* mg/L 0.5 NT --- Oil/ Grease mg/L 10 NT --- Ammoniacal mg/L 100 11.92 (-)88 Nitrogen as N T.K.N. mg/L 150 24.99 (-)83.6 T.S. S mg/L 100 33.33 (-)66.67 Free NH3 mg/L 5.0 0.53 (-)89.4 B.O.D mg/L 30.0 15.82 (-)42.6 C.O.D mg/L 250.0 39.24 (-)84.3 Phosphate as mg/L 5.0 0.65 (-)87 PO 4
  • 88. ANALYSIS OF STACK EMISSIONS (AMMONIA PLANTS) Plant parameter Unit Standards Avg Avg Avg Value Value Value (2004-05) (2005-06) (2006-07) Ammonia-I SPM Mg/Nm3 500 NT NT NT SOX PPM 100 Traces Traces Traces NOX PPM 100 74 72 70 Ammonia-II SPM Mg/Nm3 500 NT NT NT SOX PPM 100 3.14 Traces Traces NOX PPM 100 58 42 32 PPM
  • 89. ANALYSIS OF STACK EMISSIONS ( PRILL TOWER UREA DUST EMISSION) Plant Parameter Unit Standard Avg Avg Value Avg Value Value (2005-06) (2006-07) (2004-05) Urea I SPM Mg/nm3 50 26.90 40 38.59 Urea Dust Ammonia PPM 50 30.48 30 30 Urea II SPM Mg/nm3 50 27.64 38 35.85 Urea Dust Ammonia PPM 50 36.54 36 36
  • 90. ANALYSIS OF STACK EMISSIONS (STEAM & POWER GENERATION PLANT) Plant Parameter Unit Standards Avg Avg Avg Value Value Value (2004-05) (2005-06) (2006-07) Steam & SPM Mg/Nm3 500 Traces Traces Traces Power Generation Plant SOX PPM 500 Traces Traces Traces NOX PPM 100 34 39.19 32
  • 91. ANALYSIS OF STACK EMISSIONS (HRSG OF POWER PLANT) Plant Parameter Unit Standards Avg Avg Avg Value Value Value (2004-05) (2005-06) (2006-07) Heat SPM Mg/Nm3 500 Traces Traces Traces Recovery Steam Generation SOX PPM 100 Traces Traces Traces Plant (HRSG) NOX PPM 100 48 34.49 32
  • 92. AMBIENT AIR QUALITY Location SPM NH3 SO2 NO2 Unit Microgm/n Microgm/n Microgm/n Microgm/n m3 m3 m3 m3 Standards(UPPCB) 500 100 120 120 NAAQS 360 100 80 80 Ammonia Storage 182 40 1.84 5.83 Area (Plant) Guest House 176 32 2.00 4.52 (surrounding area of plant) GET Hostel 181 31 2.19 4.99 (surrounding area of plant) Transport Office 203 42 1.48 4.11 (surrounding area of plant)
  • 93. Ground Water Monitoring Parameters Unit Standard Annual Average Analysis Nitrate as NO3 PPM 10 1.49 Chromium PPM 0.1 NT
  • 94. Hazardous Waste Hazardous Waste Financial Year-2005-06 Financial Year-2006-07 a)From Process 20 m3 21 m3 Spent Oil(Reclaimed & ZNO:22.93 MT NIL Reused /sold) Ni-Catalyst:3.81 MT •Spent Catalyst b)From Pollution Control Facilities •Acidic and Alkaline effluents Neutralized 35-40 m3/hr (Annual 35-40m3/hr(Annual (Quantity) Average) Average) 21 m3 spent oil sold to m/s Friends Petro chemical Industires,Panipat having authorisation from CPCB 21
  • 95. SOLID WASTES Hazardous Waste Financial Year(2005- Financial Year(2006- 06) 07) Chromate sludge Use of Cr+6 Use of Cr+6 containing compounds has been compounds has been Hydroxides of Fe, Al, discontinued since discontinued since Cr, Zn & Calcium march 1999,Hence march 1999,Hence there is no chromate there is no chromate sludge formation sludge formation •Quantity reused NIL NIL
  • 96. LIQUID WASTES (A)COOLING TOWER BLOW DOWN (125 M3/Hr.per plant) (B ) OIL CONTAINING WATER (5 TO 10 M3/Hr): C) ACIDIC AND ALKALINE WASTE (Avg. 35 – 40M3/Hr) ( COST OF POLLUTION CONTROL MEASURES AGAINST PER MT OF UREA PRODUCTION DURING 2006-07. Rs. 25.80 (Approx )
  • 97. ACTIVITIES FOR ENVIRONMENTAL PROTECTION WHICH IS RELATED TO POLLUTION CONTROL •Plantation of approx. 8,000 trees in year 2007-08 for gap filling and replenishment of dead wood trees in factory and township area. Pre/Post monsoon “Monitoring of Underground Water” at different locations as per CPCB guidelines. Utilisation of more “Treated waste water in Green Belt”. Consumption of “Natural Resources more economically”. Safe Disposal of “Solid Waste.” Implementation of Carbon Dioxide Recovery Unit (CDR) A carbon Dioxide Recovery (CDR) unit has been installed in the Capacity Enhancement / debottlenecking of the IFFCO Aonla Unit , for which environmental clearance from U.P.Pollution Control Board and Ministry of Environment & Forest have been obtained. In this unit, a total of 450 MTPD of CO2 is recovered from the stack flue gas of Primary Reformer of Ammonia –I . This quantum of CO2 is utilised for the full conversion of ammonia to urea.
  • 98. MEASURES TAKEN FOR ENVIRONMENTAL PROTECTION AND POLLUTION CONTROL IN IFFCO AONLA UNIT The environmental management at our unit aims for the abatement of pollution at the source of generated itself. The following measures are being taken regularly for the control of pollution and protection of environment :- •Zero effluent technology, based on recycling and reuse of waste generated in the main plants. •Utilization of resources prudently so that waste generation is minimized. •Treatment of waste water containing Ammonia & Urea through Deep Urea Hydroliser in both the Urea Plant separately and reusing it as Boiler Feed Water. •Treatment of Process Condensate by Process Condensate Stripper in both the Ammonia Plant and reusing it as Boiler Feed Water. •Treatment and polishing of Turbine Condensates from ammonia and urea plants in DM Plant and reusing it as Boiler Feed Water. Collection of Oil containing water and spilled oil from the compressor houses of all the plants separately in oil collection pit. The oil is separated through “Disc Oil Separator”. The reclaimed oil is either reused or sold to vendors having authorisation from CPCB and the waste water is being sent to ETP for further treatment. Neutralisation of Acidic and Alkaline waste generated due to the regeneration of exhausted cation and anion resins in DM Plant. Use of Eco-friendly, Non-chromate based corrosion inhibitor in cooling water treatment. Thus avoiding the generation of hazardous Chromate sludge . Treatment of occasional waste water containing ammonia generated during upset and startup/shutdown condition of the plants in Effluent Treatment Plant through Air/Steam
  • 99. •The treated waste water is collected in two nos. of LDPE lined lagoons (Guard-Ponds) of capacity 85,000 m3 each at the terminal end of ETP. 60-70% of this treated effluent is being used in the irrigation of green belt in and around the plant. •Continuous monitoring of quality of liquid effluent, storm drain water, ground water, stack flue gases, urea prill tower dust emission, ambient air by IFFCO’s own Environmental Laboratory and also by an accredited third party U.P. Pollution Control Board, Bareilly. •All pollution control devices in the plants are maintained in perfect good condition and their performances are monitored regularly by our laboratory. •Built in safety logic’s and guards in the plant operations and safe shut down/starts ups. •Education and training of employees regarding environmental issues. •Generating awareness for Environment Protection in surrounding villages. •The safe disposal of wastes of township households , plant canteen and Horticulture and it’s conversion into manure by “VERMI-COMPOSTING PLANT”. .The spent oil and spent catalysts (as and when discarded or exchanged) are stored in factory premises in sealed covered drums on pucca plateform under a shed and sold to vendors as per CPCB guidelines . GREEN BELT DEVELOPMENT Green belt has been developed all along the factory and township. The width of green belt various from 80 M to 250 M as per the condition of environmental clearance. Moreover additional afforestation is being carried out every year to fill up left out area and replacement of dead wood trees in factory and township.
  • 100. EMS IMPLEMENTATION : IFFCO Aonla fertilizer complex (Plant & township) was accredited for ISO:14001: 1996 certificate by M/s BVQI in 12.08.2000. It was further recertified in January,2003 for 3 years. The ISO:14001:1996 was upgraded as ISO:14001:2004. Environment Management systems of IFFCO Aonla Unit was also updated as per revised ISO:14001:2004 standards and got certified by M/s BVQI in April,2006. Now, the Environment Management System of IFFCO Aonla Unit is accredited by M/s NQA-QSR and the certificate of ISO:14001:2004 is valid upto 15th May,2010. OHSAS Accreditation: The Occupational Health & Safety Management Systems of IFFCO Aonla Unit was assessed by M/s NQAQSR and found to conform to the “Occupational Health & Safety Systems Specification” i.e. OHSAS 18001:1999 – Amendment 1:2002 and awarded IFFCO Aonla Unit with OHSAS:18001:1999 Certificate. The certificate is valid up to 08/12/2010. AWARDS: •INDO GERMAN GREENTECH ENVIRONMENT EXCELLENCE AWARD 1999-2000 & 2000-2001 IFFCO Aonla Unit has been assessed and awarded 1st and 2nd position for its outstanding achievements in the field of environmental protection by Indo-Greentech Foundation for two successive years i.e. 1999-2000 & 2000-2001 respectively.
  • 101. •TERI CORPORATE ENVIRONMENTAL AWARDS 2002/03 IFFCO Aonla Unit has been awarded by “TERI” CORPORATE ENVIRONMENTAL AWARD 2002/03 (CERTIFICATE OF PARTICIPATION) in recognition of it’s leadership efforts towards environmental management and sustainable initiatives amongst corporates with turnover above 500 crore rupees. •GOLDEN PEACOCK ENVIRONMENT MANAGEMENT AWARD 2005 The Environmental Management Systems and techniques adopted in IFFCO Aonla Unit were adjudged by a jury of World Environment Foundation and awarded “GOLDEN PEACOCK AWARD - SPECIAL COMMENDATION” of Environment Management Award-2005 in June, 2005.
  • 102. ENVIRONMENTAL STATEMENT •No adverse environmental impact observed in Eco-system due to plant operation. •All the pollution Control devices in plants are being kept in perfect working condition and their performance is being monitored regularly. •Network of irrigation piping has been laid down in plant and township to utilise treated waste water/effluent . Approx. 60 to 70% of it is being used in irrigation of green belt in and around the factory and township. •Ammonia and Hydrogen monitoring system has been installed in the plants for early leak detection of leakage’s, if any. •Series of lectures are being taken regularly on environmental awareness for the employees, contractors staff etc. • Eco-friendly , Non-chromate corrosion inhibitors are being used in cooling water treatment. Thus avoiding generation of hazardous waste chromate sludge.
  • 103. POLLUTION CONTROL IN UREA PROCESS
  • 104.
  • 105. BLOCK DIAGRAM OF EMISSION SOURCES
  • 106. Urea Process generates process water containing NH3-6%,CO2-2% & Urea-1.0% by weight. The principal source of this water is the synthesis reaction whwre 0.3 tonnes of water is formed per ton of Urea. 2NH3+CO2→CO(NH2)2+H2O The other sources of water are ejector steam,flush and seal water and steam used in the waste water section. The principal sources of urea ,NH3 and CO2 in the process water are:- a)Presence of Ammonia in the urea solution feed to the evaporator b)The formation of Biuret and the hydrolysis of urea in the evaporators,both liberating NH3 2CO(NH2)2 →H2NCONHCONH2+NH3 CO(NH2)2+H2O →2NH3+CO2 c)Direct carry over of Urea from the evaporator separators to the condensers(Physical entraiment) d)The formation of NH3 from the decomposition of Urea ti Isocyanic Acid CO(NH2)2 →HNCO+NH3 The reverse reaction occurs on cooling the products in the condensers. (e) Off-gases from the recovery/recirculation stage absorbed in the process water. (f) Off-gases from the synthesis section absorbed in the process water. (g) Flush and purge water from pumps. (h) Liquid drains from the recovery section.
  • 107. Treated water : Urea-5 ppm,Ammonia-30 ppm The purpose of the water teatment is to remove Ammonia,CO2,and Urea from the process water and recycle the gases to the synthesis.This ensures raw material utilisation is optimised and effluent is minimised. Prill Tower Emissions The prill tower is a major source of emission in urea plants. The large volumes of discharged untreated cooling air contain particulate urea dust (1-2kg/t) as well as NH3 (0.7-1.0kg/t). Causes of dust formation
  • 108. Cause Particle Size Dust %of Range Total Condensation products of urea vapours/aerosols 0.5-2.0µm 50 Reaction product of NH3 and isocyanic acid 0.1-3.0µm 20 (HNCO) to form Urea Prill satellites and undersize prills 10-100µm 5 Crushing, abrasion and attrition on the tower floor 1-100µm 5 Seeding dust 1-20µm 20 Towers with natural draft cooling are reported to have less dust emission than towers with forced/induced draft air cooling. The lower air velocity and product mass per m 3 of tower volume reduces attrition and carryover in the natural draft towers. Operation and maintenance items significantly affecting dust formation •Fouling of the prilling device causing wider spread in prill granulometry. •High melt feed temperature causing increased evaporation. •High prill temperature at the tower base. The largest prills may not have solidified sufficiently and will fracture on impact. •Dust emission is approximately proportional to prilling tower capacity. •High air velocities and the air velocity distribution cause coarse dust to be entrained. •Weather conditions e.g. relative humidity, temperature can affect the air quality/quantity. •Unequal pressure in the prilling device causing a broad spread of prill size.
  • 109. Prill tower emission abatement Selection of the appropriate equipment for existing plants can be a complex issue. Dry dust collectors, irrigated electrostatic precipitators and irrigated dust scrubbers have been considered for dust abatement but few have been commercially proven . Wet scrubbers seem to be more attractive than dry dust collectors. Recovery of the NH3 from the emission (for example by aqueous scrubbing) is very inefficient due to the low partial pressure of the gas in the discharged air. Existing prilling plant performance Prill Tower (Not Scrubbed) Urea Dust NH3 mg/Nm3 kg/t Mg/Nm3 kg/t 35-125 0.5-2.2 35-245 0.5-2.7 Causes of dust formation The following reflects some speculations about the causes of dust formation . •Urea vapour formation during hot spraying of the urea melt and its subsequent condensation/solidification into small •(0.5-3.0mm) particles. The vaporisation becomes negligible when the melt concentration is reduced to 95%. •Reaction product of NH3 with isocyanic acid to form Urea. •Entrainment of fine dust in the air.
  • 110. •Solidification of sprayed molten urea droplets prior to coating due to excessive • air flow. •High vapour pressure of sprayed molten urea. •High or low temperature, producing soft or brittle granules. •Inter-granular friction causing surface abrasion Feasible and Available Emission Abatement Techniques Gaseous emissions •Scrubbing of off-gases with process condensate prior to venting inerts to Atmosphere. •Wet scrubbing of prill tower and granulation air to recover urea and NH3. •Connection of ammonia pump safety relief valves/seals to a flare; connection of • tank vents to the plant main stack • or other safe location. •Impact of granules with the metal surface of the drum. •Dust reduction by producing granular rather than prilled product. •Bag filtration of dust laden air from transfer points, screens, bagging machines, etc. coupled with a dissolving system for recycle to the process. •Flash melting of solid urea over-size product for recycle to the process. •Collection of solid urea spillages on a dry basis Liquid emissions Treatment of process waste water for recovery of urea, NH3 and CO2. Improved evaporation separator design to minimize urea entrainment. Provision of adequate storage capacity for inventory to cater for process upset and shut-down conditions.
  • 111. •Provision of submerged tanks to collect plant washings, etc. from drains for recycle to the waste water treatment section. •Use of mechanical seals instead of gland packing for pumps. •Use of closed circuit gland cooling water system for reciprocating pumps. •Replacement of reciprocating machinery with centrifugal type. Solid waste In the modern urea processes although the sophisticated handling of product urea has reduced the chances of spillage, still the formation of lumps and some spillage of urea prills cannot be ruled out. To meet this exigency, a urea melting system to employed. The melt urea obtained from the spillages and sweeping should be suitably recycled in the processes. Ambient Air Limit 500 µ g / NM3 SPM 120 µ g / NM3 SO2 NO2 120 µ g / NM3 NH3 400 µ g / NM3
  • 112. Stack Limit 50 mg / NM3 Urea NH3 50 PPM Prill Tower Limit NOx 100 PPM SOx 500 PPM CO 50 PPM SPM 500 PPM
  • 113. Effluent Discharge Limit MINAS Norms UPPCB Norms PH 6.5-8.0 5.5-9.00 colour absent absent NH3 (Total) 50 PPM 100 Free NH3 4 PPM 5 PPM TKN 100 PPM 150 PPM COD 250 PPM 250 PPM BOD 30 PPM 30 PPM Cl- 600 PPM 600 PPM Oil & grease 10 PPM 10 PPM TSS 100 PPM 100 PPM Cr (Cr+6) 0.1 PPM 0.1 PPM Po4- - 5 PPM Zn - 5 PPM V+5 - 0.2 PPM
  • 114. Raw Water Analysis PH 8.1 CONDUCTIVITY 560 TH 44 Ca AS Caco3 ppm 29 Mg as CaCo3 ppm 15 P. Alk as CaCo3 NT M Alk as Ca Co3 219.25 Cl as Cl 17.73 Sulphur as so4 37.03 Iron as Fe 0.08 Silica as Sio2 20 T..D.S 302 Turbidity NTU <1.0 Sodium as Na 106 Nitrite as NO3 0.30
  • 115. CARBON DIOXIDE RECOVERY (CDR) FROM FLUE GASES OF PRIMARY REFORMER AT IFFCO AONLA UNIT IFFCO, a premier fertilizer company has installed and commissioned Carbon Dioxide Recovery (CDR) Plant at it‟s Aonla & Phulpur Units for recovery of CO2 from Primary Reformer Flue Gases based on the technology from M/s Mit subishi Heavy Industries (MHI) Limited, Japan and Detailed Engineering from M/s Tecnimont ICB (TICB) Private Limited, Mumbai. The CO2 recovered from flue gases makes up for deficit of CO2 due to use of Lean NG / R-LNG & leads to conversion of all the Ammonia produced to Urea, thus avoiding Ammonia stock build up. The recovery of CO2 from flue gases also reduces CO2 emissions (Green house gas) to atmosphere and thus contributes to cleaner environment. Carbon Dioxide (CO2) Recovery from Flue Gases. The CO2 Recovery from flue gases is having following distinctive advantages: It reduces CO2 emissions (Green house gas) to atmosphere, contributes to cleaner environment, conserves carbon intensive fossil fuels like Naphtha and thus has a great potential to be covered under Clean Development Mechanism (CDM) of UNFCCC. The trading of certified emission reductions (CERs) through CDM generates additional revenues & increases the viability of the CDR Project.
  • 116. Production of additional CO2 from CDR unit in place of costlier Naphtha feed, shall decrease cost of production of Urea and hence shall reduce Government of India‟s annual subsidy outgo. SALIENT FEATURES OF CDR PROJECT The following are the salient features of CDR Project ordered on M/s TICB, Mumbai & M/s MHI, Japan : Source of CO2 : Flue gases from Primary Reformer stack of Ammonia Plant Plant Capacity : 450 MTPD CO2 (100% basis) MHI CDR PROCESS The CDR plant consist of four main sections; 1) Flue gas pre-treatment section, 2) CO2 absorption section, 3) Solution regeneration section, 4) CO2 compression section. The following block flow diagram shows the plant configuration. TREATED FLUE GAS CO2 LEAN SOLUTION Flue Gas Source FLUE (1) (2) (3) (4) (Primary GAS Flue Gas CO2 Solution CO2 Reformer) Pretreatment Absorption Regeneratio Compressio n n CoCO2 Product 2 product CO2 RICH fnfp’I’I’ SOLUTION To Urea Plant
  • 117.
  • 118. •1) Flue Gas Pre-treatment The hot flue gases at about 150 – 180 0C are cooled to 42 0C, using flue gas cooling system prior to the CO2 absorption in Absorber, to optimise KS-1 solution consumption & lower flue gas temperature which is favourable for CO2 absorption. The Flue gas water cooler is a packed column with SS structured packing. Flue gas is cooled in the upper packing section of the Flue gas water cooler by direct contact with water supplied from top of the tower. Circulating water is cooled by a plate type heat exchanger. De-SOx (SOx removal) is carried out in the lower packing section of Flue gas water Cooler by circulating dilute caustic solution. Any slippage of SOx in the Flue gas from Flue gas water cooler to CO2 Absorber shall cause KS-1 Solvent degradation. A Flue gas blower has been provided at downstream of Flue gas water cooler to draw the flue gas from existing stack to overcome the pressure drop across Flue gas water cooler & CO2 Absorber. •2) CO2 Absorption The CO2 absorber is a packed bed column with SS structured packing. The CO2 absorber has two main sections namely, the CO2 absorption section in the lower part, and the treated flue gas washing section in the upper part. •The cooled flue gas from the Flue gas water cooler is introduced into the bottom section of the CO2 absorber through flue gas blower. The flue gas comes in contact with the KS-1 solution on the surface of the packing in absorption section,
  • 119. where CO2 in the flue gas is absorbed by the KS-1 solution. The flue gas then moves upward into the treated flue gas washing section in the upper part of the CO2 absorber . The flue gas comes in contact with water for washing of entrained amine content, as well as for cooling down to maintain water balance within the system. The treated flue gas is exhausted from the top section of the CO2 absorber at sufficient height. Rich solution from the bottom of the CO2 absorber is pumped to the Regenerator through Solution heat exchangers to exchange heat with hot lean solution from Regenerator bottom. •3)Solution Regeneration The Regenerator is a packed column with random SS packing, where the rich solution is steam-stripped and CO2 is removed from the rich solution. The rich solution (from the bottom of the CO2 absorber) after exchanging heat with the hot lean solution (from bottom of regenerator) in “Solution heat exchangers” enters the upper section of the regenerator. The regeneration heat is indirectly supplied by LP Steam through re-boilers. The overhead vapor from Regenerator column is cooled to 40C in Regenerator condenser using cooling water. The condensed water is returned from the Regenerator reflux drum to the top of the Regenerator by the Regenerator reflux pump to enhance CO2 purity, remove KS-1 mist entrained in CO2 gas & maintain water balance in the system .
  • 120. The lean solution is cooled to the optimum reaction temperature of 40C by the Solution heat exchangers and the Lean solution cooler prior to being fed to the CO2 absorber. 10% of the lean solution flows through a carbon filter system to eliminate oil and soluble impurities. The mechanical guard filters are provided before and after the carbon filter to remove insoluble particulate. •4) CO2 Compression The CO2 product gas is compressed by the CO2 compressor & then cooled in a Compressor discharge cooler to supply product CO2 at a pressure of 0.8 Kg/cm2g & temperature of 40 C at CDR plant battery limit. The product CO2 having purity around 99.8 %(v/v) is sent to the existing Urea Plants by interconnection with existing CO2 header.
  • 121. ENVIRONMENTAL POLICY OF IFFCO AONLA IFFCO Aonla unit is committed for continual improvement and protection of environment by setting and reviewing the objectives and targets through Environmental Management System focussing at: :- •Compliance of applicable legislation at work place and other requirements, which the organization subscribe. •Monitoring and conserving natural resources. •Effluent and waste minimization by way of recycling and reuse. •Developing awareness and competence amongst Employees, Contractor’s Staff and related agencies on environmental issues. •Emergency preparedness for safety of concerned personnel and plant.
  • 122. Achievement of Objective & Target of 2006- 07 No.1. To achieve Urea spillage not more than 397 MT/Month in 2006-07 by reducing 5% of the value achieved in 2005-06 i.e 418 MT/Month. Achieved 390 MT/Month Urea Spillage in year 2006-07. 2.To reduce water consumption below 6.70 M3/MT of urea production in year 2006- 07. Achieved 5.40 M3/MT Urea Production in year 2006-07. •To plant minimum 10,000 trees in plant and township. 10285 Trees planted during year 2006-07 in plant and township. •To keep SPM particulate matter in ambient air below 200 micrograms/nm3 in plant. Achieved annual average value of SPM in Plant 181.75 Microgram/NM3. •To bring awareness among new / transferred employees, contractor’s staff and related agencies on relevant environmental issues to minimum 200 participants. Imparted awareness on environmental issues to 200 participants.
  • 123. Environmental Aspects Analysis Criteria :G = AxBxCxDxExF Point Quantity Occurrence Impact Legislation Detection Control (A) (B) (C) (D) (E) (F) 5 Excessiv Continuous Human Not More than Absence e Health Meeting 24 hours 4 High Daily Flora Within 24 Mechanis Fauna hours m and Provided Global issue 3 Medium Once a Resource Not Within 8 Human Week Depletion meeting Hours Interventio Company’s n Threshold Limit 2 Low Once a Cause Within 1 In built month Discomfor Hours secondary t Control 1 Negligibl Very Rare Negligible Complianc Immediatel Available e e y & Effective
  • 124. AMBIENT AIR QUALITY STANDARDS IN RESPECT TO NOISE Sr.No. Activit Category of Day Time Night Time Applicable y Area/Zone (6AM to (10PM to 6 Section of 10PM) AM) Rules 1.0 (A) Industrial area 75 70 Schedule as per rule 3(1) 2.0 (B) Commercial 65 55 & 4(1) The area Noise 3.0 © Residential 55 45 Pollution area Rules, 2000 4.0 (D) Silence zone 50 40
  • 125.
  • 126. Journey from barren land to large and eco-friendly fertiliser complex
  • 127. Aonla site in 1984 ( Land acquisition )
  • 128. Aonla site in 1988 ( Aonla-I commissioned )
  • 129. Aonla site in 2007 ( Large & eco-friendly fertiliser complex )