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Application of the Riccati Equation to Solve Binary Distillation Problems

Housam Binous
Organization: KFUPM
Department: Chemical Engineering
URL: http://sites.google.com/site/homepageofdrhousambinous/
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We solve a binary distillation problem using the solution of a Riccati equation. We find that four plates are needed to achieve the desired product purity. We also compute the number of stages with the classical approach by stepping off stages using the equilibrium curve and the operating line. With this second approach, we find four plates too, in agreement with the Riccati equation method.

*Applied Mathematics
*Applied Mathematics > Numerical Methods
*Engineering > Chemical Engineering
*Science > Chemistry

Binary distillation, Riccati equation, operating line, equilibrium curve, stepping off stages, theoretical plates, constant relative volatility, RSolve
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Ricatti.nb (13 KB) - Mathematica Notebook [for Mathematica 5.2]