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Ethanol Production

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

Impeller
Sparger
Baffles
All of these

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Ethanol Production
High ethanol concentration

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

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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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Ethanol Production
Candida utilis is used for the fermentation of waste sulphate liquor since it ferments

hexoses only
pentoses only
none of these
both hexoses and pentoses

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

distillation
cell disintegration
centrifugation
filtration

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

Baffles
All of these
Impeller
Sparger

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