Dougles equation is useful for A. Binary separations B. Multicomponent

dougles-equation-is-useful-for-a-binary-separations-b-multicomponent

Dougles equation is useful for

A. Binary separations

B. Multicomponent separations

C. Tertiary Separations

D. Cant’ be specified

This question was addressed to me in final exam.

My doubt is from The Jafarey, Dougles and Mcavoy Equation topic in section Column Process Design, Optimization and Shortcut Calculations of Distillation Design

The correct answer is B. Multicomponent separations

Easy explanation: Dougles equation is useful for multicomponent separations extended form of smoker’s equation.