Design and Control Comparison of Alternative Separation Methods for  n ‐Heptane/Isobutanol | Zendy

Luyben William L. | Zendy

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Design and Control Comparison of Alternative Separation Methods for n ‐Heptane/Isobutanol

Author(s) -

Luyben William L.

Publication year - 2017

Publication title -

chemical engineering and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.403

H-Index - 81

eISSN - 1521-4125

pISSN - 0930-7516

DOI - 10.1002/ceat.201600576

Subject(s) - azeotrope , isobutanol , heptane , extractive distillation , distillation , chemistry , chromatography , condenser (optics) , uniquac , fractionating column , separation process , fractional distillation , controllability , pentane , process (computing) , thermodynamics , organic chemistry , mathematics , non random two liquid model , computer science , activity coefficient , light source , physics , aqueous solution , optics , operating system , ethanol

The binary mixture of n ‐heptane and isobutanol forms an azeotrope at atmospheric pressure, with a composition of 66.9 mol % n ‐heptane and a temperature of 364 K. Several methods of separation are possible. This study compares the steady‐state economics and the dynamic controllability of three alternative separation techniques: a two‐column extractive distillation process, a two‐column pressure‐swing distillation process, and a single column with a refrigerated condenser.

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