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Which of the following is used to maintain the gas-tight seal in stirred fermenters?

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+1 vote
in Fermentation Technology by (72.1k points)
Which of the following is used to maintain the gas-tight seal in stirred fermenters?

(a) Silicone rubber

(b) Neoprene rubber

(c) EPDM rubber

(d) Buna-N rubber

I had been asked this question during an interview.

This key question is from Laboratory Fermentation System topic in portion Fermentation System & Management of Fermentation Technology

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Best answer
Correct option is (a) Silicone rubber

The best explanation: The Silicone rubber gasket is used to maintain the gas-tight seal in stirred laboratory fermenters. The vessel body and the lid are joined by the ground glass and have a silicone rubber gasket and the joint is held together with a screw and wire clip arrangement.

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