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Ethanol Production

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

All of these
Sparger
Impeller
Baffles

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Ethanol Production
Which of the following microorganisms help in the ethanol production?

Saccharomyces cerevisiae
Saccharomyces uvarum
Zygomonas mobilis
All of these

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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
To maintain aseptic conditions during fermentation which of the following is needed?

All of these
Sterilization of fermentor
Aeration and agitation
Sterilization of air supply

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Ethanol Production
Ethanol is produced by

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

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

Sparger
Impeller
Baffles
All of these

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