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Received February 17, 2013
Accepted July 30, 2013
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Development of a model for dimethyl ether non-adiabatic reactors to improve methanol conversion

Department of Chemical Engineering, University of Tehran, Tehran, Iran 1Faculty of Chemical Engineering, Babol Noshirvani University of Technology, Babol, Iran 2Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia 3Department of Mechanical Engineering, Mohajer Technical University, Isfahan, Iran
Korean Journal of Chemical Engineering, October 2013, 30(10), 1867-1875(9), 10.1007/s11814-013-0138-0
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Abstract

The modeling of adiabatic and non-adiabatic reactors, using three cooling mediums in the shell side of a shell and tube reactor in cocurrent and countercurrent flow regimes has been conducted. The cooling mediums used in this research are saturated water and methanol feed gas to a reactor which is preheated in the shell side and a special type of oil. The results of adiabatic reactor modeling show good compatibility with the data received from a commercial_x000D_ plant. The results of non-adiabatic reactor modeling showed that more methanol conversion can be achieved in a lower length of reactor, even though in some cases the maximum temperature in the tube side of the reactor is more than the deactivation temperature of the catalyst.

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