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1. Removal of Zinc (II) Ion from Synthetic Wastewater Solution by using Activated Carbon Prepared from Corn Cob By: Mohd Aminurrasyid bin Mohd Amin (2005679824) B. Sc. (Hons.) Environmental Technology Under supervision of: Mr. Mohd Nizam bin Yusof

2. Introduction Removal of Zinc (II) Ion from Synthetic Wastewater Solution by using Activated Carbon Prepared from Corn Cob

13. Literature Review Removal of Zinc (II) Ion from Synthetic Wastewater Solution by using Activated Carbon Prepared from Corn Cob

23. Materials and Methods Removal of Zinc (II) Ion from Synthetic Wastewater Solution by using Activated Carbon Prepared from Corn Cob

27. Pulverization of Sample Carbonization & Activation of Sample Effect of Adsorbent Dosage Effect of Contact Time Effect of Interfering Anions Adsorption Studies Preparation of Activated Carbon

29. 100 g powdered corn cobs Heated to 450°C (T-ramp rate 30°C/min, 4 h) Cooled to room temperature Treated with KOH solution for 30 min Air dried Activated in furnace (850°C, 1.2 hr) Washed with warm distilled water until neutralization Filtered Dried at 120°C Cooled / Stored in dessicator until use - From pre-treated sample - Carbonize the raw material - Cool down the sample - Open up the pores - Dry the sample prior to activation - Activate the sample - Neutralize the sample - Separate / recover the sample - Remove moisture content - Keep sample dry until use Step 2: Carbonization & Activation

31. Put in 250 ml conical flask (Flask 1A) Take 100 ml Add 2 g adsorbent Add 2 g adsorbent Add 2 g adsorbent Add 2 g adsorbent Add 2 g adsorbent Add 2 g adsorbent Add 2 g adsorbent Leave for 10 min Filter Determine final conc. Leave for 20 min Leave for 30 min Leave for 45 min Leave for 60 min Leave for 90 min Leave for 120 min Filter Determine final conc. Filter Determine final conc. Filter Determine final conc. Filter Determine final conc. Filter Determine final conc. Filter Determine final conc. Plot Graph Take 100 ml Take 100 ml Take 100 ml Take 100 ml Take 100 ml Take 100 ml Put in 250 ml conical flask (Flask 1B) Put in 250 ml conical flask (Flask 1E) Put in 250 ml conical flask (Flask 1C) Put in 250 ml conical flask (Flask 1D) Put in 250 ml conical flask (Flask 1F) Put in 250 ml conical flask (Flask 1G) Zinc Synthetic Wastewater Solution (1000 ppm) Determine initial concentration Determine equilibrium contact time Experiment #1: Different contact time at constant adsorbent dosage

32. Put in 250 ml conical flask (Flask 2A) Take 100 ml Add 2 g adsorbent Add 8 g adsorbent Add 4 g adsorbent Add 6 g adsorbent Add 10 g adsorbent Filter Determine final conc. Leave for adsorption process, according to the equilibrium contact time obtained from experiment #1 Filter Determine final conc. Filter Determine final conc. Filter Determine final conc. Filter Determine final conc. Plot Graph Take 100 ml Take 100 ml Take 100 ml Take 100 ml Put in 250 ml conical flask (Flask 2D) Put in 250 ml conical flask (Flask 2B) Put in 250 ml conical flask (Flask 2C) Put in 250 ml conical flask (Flask 2E) Zinc Synthetic Wastewater Solution (1000 ppm) Determine initial concentration Determine optimum adsorbent dosage Experiment #2: Different adsorbent dosage at constant contact time

33. Leave for adsorption process, according to the equilibrium contact time obtained from experiment #1 Filter Determine final conc. Filter Determine final conc. Determine percent removal of Zinc (II) ion Put in 250 ml conical flask (Flask 3B) Put in 250 ml conical flask (Flask 3A) Zinc Sulfate Solution (1000 ppm) Determine initial concentration Experiment #3: Effect of interfering anion ( SO 4 2- and Cl 2- ) Zinc Chloride Solution (1000 ppm) Determine initial concentration Add adsorbent according to the optimum adsorbent dosage obtained from experiment #2 Compare result with result in experiment #2

39. References Removal of Zinc (II) Ion from Synthetic Wastewater Solution by using Activated Carbon Prepared from Corn Cob

42. Plan of Studies Removal of Zinc (II) Ion from Synthetic Wastewater Solution by using Activated Carbon Prepared from Corn Cob

43. Plan of Studies

44. Questions & Answers Thank You