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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
Bacillus
Pseudomonas
Yeast

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

Impeller
Sparger
All of these
Baffles

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Ethanol Production
How is air supply to the fermentor sterilized?

By heat filtration
All of these
Filtration through granular material
Filtration through fibrous material

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

none of these
pentoses only
hexoses only
both hexoses and pentoses

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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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