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Ethanol Production

Ethanol Production
Yeast is used in the production of

cheese
ethyl alcohol
curd
acetic acid

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Ethanol Production
After the fermentation is over, ethanol is recovered by

centrifugation
filtration
cell disintegration
distillation

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Ethanol Production
High ethanol concentration

inhibits yeast growth
promotes bacterial growth
promotes yeast growth
inhibits bacterial growth

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Ethanol Production
Which of the following is used for agitation in a fermentor?

Sparger
Impeller
All of these
Baffles

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Ethanol Production
S cerevisiae start producing ethanol with in

10 h
24 h
12 h
15 h

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Ethanol Production
What are different substrates used for ethanol production?

Juices from sugarcane or molasses or sugar beet
All of these
Waste product from wood or processed wood
Starch containing substrate

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