What is the composition of the two phases that form when a stream of 40% A, 39% B, and 21% C separates into two phases? Label the phases as A-rich or C-rich. Is there more of the A-rich or C-rich phase?

Question

Engineering

Bo Hull

9 February, 12:49

What is the composition of the two phases that form when a stream of 40% A, 39% B, and 21% C separates into two phases? Label the phases as A-rich or C-rich. Is there more of the A-rich or C-rich phase?

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Answers (1)

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Gunner Ho · Answer 1

vapor fraction = 0.4 and 0.08

Explanation:

At reasonably high temperatures, a mixture will exist in the form of a sub cooled liquid. Between these extremes, the mixture exists in a two phrase region where it is a vapor liquid equilibrium. From a vapor-liquid phase diagram, a mixture of 40% A, 39% B, and 21% C separates to give the vapor compositions of 0.4 and 0.08.