Question

The operating volume of Waldhof-type fermenter is __________ for broth and air.

(a) 252,000 dm^3

(b) 225,000 dm^3

(c) 215,000 dm^3

(d) 232,000 dm^3

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I want to ask this question from Other Fermentation Vessels topic in division Design of Fermenter of Fermentation Technology

Answer 1

Correct answer is (b) 225,000 dm^3

Explanation: The operating value of Waldhof-type fermenter is 225,000 dm^3 for an emulsion of both broth and air. It was 100,000 dm^3 for broth without air. The non-sterile air was introduced into the fermenter through rotating pin-wheel aerator.