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Airlift reactors generally do not provide better mixing than bubble columns.

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in Bioprocess Engineering by (80.7k points)
Airlift reactors generally do not provide better mixing than bubble columns.

(a) True

(b) False

I have been asked this question in class test.

My question is from Bioreactor Configurations topic in section Reactor Engineering of Bioprocess Engineering

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The correct answer is (b) False

Easy explanation: Airlift reactors generally provide better mixing than bubble columns except at low liquid velocities. The airlift configuration confers a degree of stability to liquid flow compared with bubble columns; therefore, higher gas flow rates can be used without incurring operating problems such as slug flow or “spray formation”.

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