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Ethanol Production

Ethanol Production
Which of the following organism is not used in any of the traditional industrial fermentation?

E. coli
Pseudomonas
Yeast
Bacillus

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

filtration
cell disintegration
distillation
centrifugation

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

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

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

Sparger
All of these
Impeller
Baffles

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Ethanol Production
The fermentor can be sterilized by

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

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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

for next fermentation
All of these
as manure
as single cell protein for animal feed

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