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Which of the following fermenters are characterized by height to diameter ratio?

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in Fermentation Technology by (72.1k points)
Which of the following fermenters are characterized by height to diameter ratio?

(a) Tower fermenter

(b) Airlift fermenter

(c) Hollow fibre

(d) Perfusion bioreactor

The question was posed to me in an international level competition.

The question is from Types of Bioreactors in portion Recovery and Purification of Fermentation Products, Effluent Treatment, Bioreactor Design Considerations of Fermentation Technology

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Best answer
The correct answer is (a) Tower fermenter

To elaborate: Tower fermenters are the vessels which are characterized by a high height-to-diameter ratio anywhere around 6:1 to 15:1. Aeration is provided by gas sparging via a sample sparger near the fermenter base.

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