Study on the Selection of Solvent and Extraction Conditions for Extractive Distillation Process

化学工业与工程

Chemcial Industry and Engineering

2009, Vol. 26

Issue (4) :342-346 DOI:

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Study on the Selection of Solvent and Extraction Conditions for Extractive Distillation Process

QIN Hai-yang,HUANG Xue-li,LI Yong-xia(College of Chemistry and Chemical Engineering,Xinjiang University,Urumqi 830046,Xinjiang Province,China)

(College of Chemistry and Chemical Engineering,Xinjiang University,Urumqi 830046,Xinjiang Province,China

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Abstract Based on UNIFAC model by the group contribution method,corresponding calculation program was compiled by means of MATLAB software for selecting solvent,researching the performance of solvent and investigating conditions for extractive distillation.Through the calculation of the relative volatility under different solvents and conditions for some azeotropic systems,optimum solvents have been chosen,and the influences of temperature and ratio of solvent on relative volatility were discussed.

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Received 2009-07-15; published 2009-07-15

Cite this article:

QIN Hai-yang,HUANG Xue-li,LI Yong-xia.Study on the Selection of Solvent and Extraction Conditions for Extractive Distillation Process[J] Chemcial Industry and Engineering, 2009,V26(4): 342-346