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Find the distillation preferred for the binary...

Find the distillation preferred for the binary mixture having component A and B with vapour pressure 360mmHg and 355mmHg.

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asked Sep 21, 2022 in Mass Transfer by Julian (37.1k points)

Find the distillation preferred for the binary mixture having component A and B with vapour pressure 360mmHg and 355mmHg.

(a) Multi-component distillation

(b) Reactive distillation

(c) Azeotropic distillation

(d) All of the mentioned

I got this question during an interview.

This key question is from Distillation Types topic in chapter Distillation of Mass Transfer

mass transfer
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1 Answer

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answered Oct 12, 2022 by Chris (39.8k points)

Right answer is (c) Azeotropic distillation

The explanation is: Relative volatility = Vapour pressure of A/ Vapour pressure of B

= 360/355 = 1.014 ( Azeotropic composition).

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