Question

If ZF=0.6 and also feed contains 72% mole of the liquid, then intercept of x axis is

(a) 0.744

(b) 0.899

(c) 0.833

(d) 1.2

I have been asked this question by my college director while I was bunking the class.

My question is taken from Mccabe Thiele Diagram-Construction topic in division Key Fractionation Concepts of Distillation Design

Answer 1

The correct choice is (c) 0.833

To explain I would say: As (ZF/q) using values 0.6/ (0.72) = 0.833.