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Which of the following is used where there is no oxygen supply?

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in Fermentation Technology by (72.1k points)
Which of the following is used where there is no oxygen supply?

(a) Comminutors

(b) Sedimentation tank

(c) Mechanical mixer

(d) Screening devices

The question was asked during an interview.

Enquiry is from Effluent in division Recovery and Purification of Fermentation Products, Effluent Treatment, Bioreactor Design Considerations of Fermentation Technology

1 Answer

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Best answer
Correct answer is (c) Mechanical mixer

The explanation: If there is no oxygen supply via spargers, the baffles must be provided to avoid the formation of layers. Baffles are also used to increase the rate of agitation and aeration. It is also used to provide cooling.

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