13. Ethanol yield from starch: Cassava example Yields from 1 ton raw material Cassava Roots Chips Starch % Starch 25 65 85 100% theoretical Ethanol, litres 180 468 612 93% efficiency Ethanol, litres 167 435 569
14.
15. Initial breakdown of starch into shorter dextrin chains Alpha-Amylase enzyme randomly cleaves large chain dextrins into a mixture of shorter chain dextrins Alpha-amylase Shorter dextrin chains Large Dextrin chains DP6 DP4 DP3 DP2
16.
17. What does Gluco-Amylase do? Gluco-Amylase breaks short chain dextrins into simple fermentable sugars that yeast can convert into ethanol Long chain sugars (Dextrins) Simple sugars
20. Thank You for your attention Please visit our website www.bioenergy.novozymes.com Technical service contact: [email_address]
Notas do Editor
Agribusiness that works : outgrower schemes with supply-driven growth Create a market for the smallholders that can begin small but grow rapidly Promise to buy their produce, live up to that promise and the supply base will grow rapidly (example of DECA) Provide advice and planting material and support No lands rights issues, low investment levels, limited infrastructure requirements, limited management costs, limited work ethic issues