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Ethanol Production

Ethanol Production
The fermentor can be sterilized by

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

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Ethanol Production
How is air supply to the fermentor sterilized?

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

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

cell disintegration
centrifugation
filtration
distillation

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

Impeller
All of these
Baffles
Sparger

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Ethanol Production
The Zygomonas has a merit over yeast because

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

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

Baffles
Sparger
All of these
Impeller

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