Optimizing the Synthesis of Ethyl tert-Butyl Ether in Continuous Catalytic Distillation Column Using New Ion Exchange Resin Catalyst

doi:10.1016/S1004-9541(13)60616-3

Chinese Journal of Chemical Engineering ›› 2013, Vol. 21 ›› Issue (10): 1121-1128.DOI: 10.1016/S1004-9541(13)60616-3

• 催化、动力学与反应工程 • 上一篇下一篇

Optimizing the Synthesis of Ethyl tert-Butyl Ether in Continuous Catalytic Distillation Column Using New Ion Exchange Resin Catalyst

Muhammad Umar, Yahia Abubakar Al-Hamed, Abdulraheem Al-Zahrani, Hisham Saeed Bamufleh

Department of Chemical and Materials Engineering, Faculty of Engineering, King Abdul Aziz University, Jeddah 80204, Kingdom of Saudi Arabia

收稿日期:2012-04-23 修回日期:2012-12-24 出版日期:2013-10-28 发布日期:2013-10-29
通讯作者: Muhammad Umar
基金资助:
Part of this paper was included in the proceedings of World Congress on Engineering and Computer Science, San Francisco, USA, 22-24 October, 2008, pp. 79-84 (ISBN 978-988-98671-0-2).

Optimizing the Synthesis of Ethyl tert-Butyl Ether in Continuous Catalytic Distillation Column Using New Ion Exchange Resin Catalyst

Muhammad Umar, Yahia Abubakar Al-Hamed, Abdulraheem Al-Zahrani, Hisham Saeed Bamufleh

Department of Chemical and Materials Engineering, Faculty of Engineering, King Abdul Aziz University, Jeddah 80204, Kingdom of Saudi Arabia

Received:2012-04-23 Revised:2012-12-24 Online:2013-10-28 Published:2013-10-29
Contact: Muhammad Umar
Supported by:
Part of this paper was included in the proceedings of World Congress on Engineering and Computer Science, San Francisco, USA, 22-24 October, 2008, pp. 79-84 (ISBN 978-988-98671-0-2).

摘要/Abstract

摘要： Liquid phase synthesis of one of the important fuel oxygenate, ethyl tert-butyl ether (ETBE), from ethanol and tert-butyl alcohol (TBA) has been studied in catalytic distillation column (CDC) using ion exchange resin catalyst CT-145H. A packed CDC of 1.2 m height and 50 mm diameter with indigenously developed reactive section packing was used to generate experimental data. Effect of different key variables on product purity in distillate, was investigated to find the optimum operating conditions for ETBE synthesis. The optimum conditions for 0.2 kg·s^-1 of ethanol feed were found: reboiler duty of 375 W, molar feed ratio of 1:1.3 of reactants, and reflux ratio of 7. Concentration profiles for each component along each column section at optimum conditions were also drawn. Neither output nor input multiplicity was observed at experimental conditions.

关键词: ethyl tert-butyl ether synthesis, catalytic distillation, ion exchange resin catalyst, packed column, multiplicity

Abstract: Liquid phase synthesis of one of the important fuel oxygenate, ethyl tert-butyl ether (ETBE), from ethanol and tert-butyl alcohol (TBA) has been studied in catalytic distillation column (CDC) using ion exchange resin catalyst CT-145H. A packed CDC of 1.2 m height and 50 mm diameter with indigenously developed reactive section packing was used to generate experimental data. Effect of different key variables on product purity in distillate, was investigated to find the optimum operating conditions for ETBE synthesis. The optimum conditions for 0.2 kg·s^-1 of ethanol feed were found: reboiler duty of 375 W, molar feed ratio of 1:1.3 of reactants, and reflux ratio of 7. Concentration profiles for each component along each column section at optimum conditions were also drawn. Neither output nor input multiplicity was observed at experimental conditions.

Key words: ethyl tert-butyl ether synthesis, catalytic distillation, ion exchange resin catalyst, packed column, multiplicity

Muhammad Umar, Yahia Abubakar Al-Hamed, Abdulraheem Al-Zahrani, Hisham Saeed Bamufleh. Optimizing the Synthesis of Ethyl tert-Butyl Ether in Continuous Catalytic Distillation Column Using New Ion Exchange Resin Catalyst[J]. Chinese Journal of Chemical Engineering, 2013, 21(10): 1121-1128.

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Optimizing the Synthesis of Ethyl tert-Butyl Ether in Continuous Catalytic Distillation Column Using New Ion Exchange Resin Catalyst

Optimizing the Synthesis of Ethyl tert-Butyl Ether in Continuous Catalytic Distillation Column Using New Ion Exchange Resin Catalyst

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