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ETHANOL PRODUCTION

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

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

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

Impeller
All of these
Baffles
Sparger

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

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

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Ethanol Production
High ethanol concentration

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

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