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Permanent link (DOI): https://doi.org/10.7939/R3VT31

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Development and Implementation a Methodology for the Production of Dimethyl Ether from Methanol by Catalytic Distillation Open Access

Descriptions

Other title
Subject/Keyword
Catalytic Distillation
Dimethyl Ether
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Lin, Alex Y.H.
Supervisor and department
Hayes, Robert E. (Chemical and Materials Engineering)
Examining committee member and department
Hayes, Robert E. (Chemical and Materials Engineering)
Yeung, Tony (Chemical and Materials Engineering)
Uludag, Hasan (Chemical and Materials Engineering)
Department
Department of Chemical and Materials Engineering
Specialization
Chemical Engineering
Date accepted
2013-08-30T14:33:09Z
Graduation date
2013-11
Degree
Master of Science
Degree level
Master's
Abstract
This study reports on the development of a coherent solution methodology for the production of Dimethyl Ether (DME) from methanol using catalytic distillation. The validation and confidence of the Aspen Plus simulation results is first tested by simulating a catalyst distillation process for removing acetic acid from industrial wastewater stream. The simulation results correlate qualitatively well with the experimental data obtained by Xu et al., (1999). Using the methodology thus developed, the catalytic distillation column for the production of DME is designed by incorporating the Langmuir-Hinshelwood kinetic model developed by Hosseininejad et al., (2012). It is shown that synthesis of high purity DME can be achieved using a single catalytic distillation column. Parametric studies are used to determine the optimum tower diameter, tower hardware configurations, catalyst location and amount per stage as well as operating limitations. Comparison of conventional and catalytic distillation processes using Aspen plus simulations show that there is a significant potential saving of total energy requirement for heating and cooling as well as reduction of plant size and capital cost for catalytic distillation column.
Language
English
DOI
doi:10.7939/R3VT31
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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