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Can Murphree efficiency be greater than 100?

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+1 vote
in Food Processing Unit Operations by (110k points)
Can Murphree efficiency be greater than 100?

(a) True

(b) False

The question was asked in an interview for internship.

My question comes from Distillation of Binary Mixtures in section Distillation of Food Processing Unit Operations

1 Answer

+2 votes
by (736k points)
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Best answer
Correct option is (a) True

To explain I would say: Murphee efficiency is the ratio of the actual change in vapor composition when the vapor passes through the liquid on a tray to the composition change of the vapor if it were in vapor liquid at equilibrium with the tray liquid.

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