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Ethanol Production

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

All of these
Sparger
Impeller
Baffles

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Ethanol Production
What are different substrates used for ethanol production?

Starch containing substrate
Waste product from wood or processed wood
All of these
Juices from sugarcane or molasses or sugar beet

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

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

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Ethanol Production
Yeast is used in the production of

acetic acid
curd
ethyl alcohol
cheese

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

Bacillus
Yeast
E. coli
Pseudomonas

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Ethanol Production
S cerevisiae start producing ethanol with in

15 h
12 h
24 h
10 h

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