Question

Which type of fermenter is used in laboratory scale?

(a) Stirred tanks

(b) Shake-flask

(c) Bubble columns

(d) Air-lift fermenter

I have been asked this question by my school teacher while I was bunking the class.

I need to ask this question from Oxygen Transfer in Fermenters topic in division Mass Transfer of Bioprocess Engineering

Answer 1

Correct answer is (b) Shake-flask

Best explanation: At laboratory-scale cultures may be aerated by means of the shake-flask technique where the culture is grown in a conical flask shaken on a platform contained in a controlled environment of chamber.