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Jafarey Equation is an analytical closed form formula, to calculate

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Jafarey Equation is an analytical closed form formula, to calculate

(a) Reflux ratio

(b) Number of trays

(c) Number of stages

(d) Number of feeds

I had been asked this question in an international level competition.

This intriguing question comes from The Jafarey, Dougles and Mcavoy Equation topic in section Column Process Design, Optimization and Shortcut Calculations of Distillation Design

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Correct option is (b) Number of trays

To explain I would say: Jaffrey Equation is an analytical closed form formula to calculate Number of trays simplifying smoker’s equation.

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