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Which sparger consist of a single open or partially-closed pipe providing a stream of air bubbles?

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Which sparger consist of a single open or partially-closed pipe providing a stream of air bubbles?

(a) Perforated sparger

(b) Orifice sparger

(c) Nozzle sparger

(d) Porous sparger

The question was posed to me in semester exam.

Question is taken from Practical Considerations For Bioreactor Construction in section Reactor Engineering of Bioprocess Engineering

1 Answer

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Best answer
Correct choice is (c) Nozzle sparger

Easy explanation: Nozzle spargers are used in many agitated fermenters from laboratory to production scale. These spargers consist of a single open or partially-closed pipe providing a stream of air bubbles.

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