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Analysis of the membrane thickness effect on the pervaporation separation of methanol/methyl tertiary butyl ether mixtures

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García Villaluenga, Juan Pedro and Khayet Souhaimi, Mohamed and Godino Gómez, María Paz and Seoane Rodríguez, Benjamín and Mengual Cabezón, Juan Ignacio (2005) Analysis of the membrane thickness effect on the pervaporation separation of methanol/methyl tertiary butyl ether mixtures. Separation and Purification Technology, 47 (01-feb). pp. 80-87. ISSN 1383-5866

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Official URL: http://dx.doi.org/10.1016/j.seppur.2005.06.006


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Abstract

The effect of the membrane thickness on the pervaporation separation of methanol and methyl tertiary butyl ether mixtures through membranes was studied. Membranes of a wide range of thicknesses were prepared from two different polymers: cellulose acetate and poly(2,6-dimethyl-1,4-phenylene oxide). For each membrane, the experiments were performed at the same feed pressure, feed temperature and permeate pressure. The results showed that the permeate flux through both membrane types decreased markedly with increasing the membrane thickness, while the separation factor remained nearly constant. This behavior was discussed in terms of a resistance-in-series model.


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© 2005 Published by Elsevier B.V. The authors acknowledge the financial support from the Spanish Ministry of Science and Technology (MCYT) through its project PPQ2003-03299. Thanks are due to Prof. T. Matsuura from the Industrial Membrane Research Institute (IMRI) for supplying PPO polymer.

Uncontrolled Keywords:Mass Transfer, Membranes, Modeling, Pervaporation, Separations
Subjects:Sciences > Physics > Thermodynamics
ID Code:24867
Deposited On:01 Apr 2014 07:28
Last Modified:05 Nov 2015 16:33

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