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Ethanol Production

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

All of these
Impeller
Baffles
Sparger

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Ethanol Production
S cerevisiae start producing ethanol with in

10 h
15 h
12 h
24 h

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Ethanol Production
The Zygomonas has a merit over yeast because

it has more specific growth rate
it has more osmotic tolerance to higher sugar concentration
All of these
it has high tolerance to ethanol

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Ethanol Production
As the fermentation for the ethanol production is over, the cells are separated to get the biomass of yeast cells that is used

All of these
as manure
as single cell protein for animal feed
for next fermentation

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Ethanol Production
How is air supply to the fermentor sterilized?

Filtration through fibrous material
All of these
Filtration through granular material
By heat filtration

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Ethanol Production
What are the fermentation conditions for the ethanol production?

pH 5; temperature 30°C
pH 6; temperature 30°C
pH 6; temperature 35°C
pH 5; temperature 35°C

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