Pervaporation membrane reactor study for the esterification of acetic acid and isobutanol using polydimethylsiloxane membrane

被引：35

作者：

Korkmaz, Sevinc ^{[1
]}

Salt, Yavuz ^{[1
]}

Hasanoglu, Ayca ^{[1
]}

Ozkan, Semra ^{[1
]}

Salt, Inci ^{[1
]}

Dincer, Salih ^{[1
]}

机构：

[1] Yildiz Tech Univ, Dept Chem Engn, TR-34210 Istanbul, Turkey

来源：

APPLIED CATALYSIS A-GENERAL | 2009年 / 366卷 / 01期

关键词：

Pervaporation membrane reactor; Esterification; Isobutyl acetate; Polydimethylsiloxane; LIQUID-PHASE ESTERIFICATION; SEPARATION; ACETATE;

D O I：

10.1016/j.apcata.2009.06.037

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this study, isobutyl acetate, a valuable solvent in cosmetics, aroma and paint industries, is produced by pervaporation-esterification equilibrium reaction in a batch pervaporation membrane reactor (PVMR) using homogeneous (sulphuric acid) and heterogeneous (Dowex 50W-X8) catalysts. The effects of catalyst loading, catalyst type, reaction time, membrane thickness, temperature and initial molar ratio of reactants were investigated. A cross-linked polydimethylsiloxane (PDMS) membrane selective to esters was prepared and used in PVMR. Batch reactions were carried out also in a simple batch reactor (SBR) without pervaporation under the same conditions to compare the conversions for the reactions with and without pervaporation. In conclusion, PVMR experiments showed that the PDMS membrane can be used to remove the isobutyl acetate formed selectively with acceptable conversions and pervaporation fluxes. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：102 / 107

页数：6

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