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Ethanol Production

Ethanol Production
The fermentor can be sterilized by

steam under pressure
keeping it in the oven
all of these
boiling

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

centrifugation
filtration
distillation
cell disintegration

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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
for next fermentation
as single cell protein for animal feed
as manure

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Ethanol Production
Which of the following is used to check vortex and to improve aeration efficiency in a fermentor?

Baffles
Sparger
Impeller
All of these

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Ethanol Production
Ethanol is produced by

both (a) and (b)
batch fermentation
continuous fermentation
none of these

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Ethanol Production
How is air supply to the fermentor sterilized?

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

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