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Permanent link (DOI): https://doi.org/10.7939/R3W950W6G

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Ethane Dehydrogenation Using a Catalytic Membrane Reactor Open Access

Descriptions

Other title
Subject/Keyword
Zeolite
Etahne
Mordenite
Membrane Reactor
Dehydrogenation
Ethylene
Catalsyt
ETS-2
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Yu, Zhengnan
Supervisor and department
Kuznicki, Steven M. (Chemical and Materials Engineering)
Examining committee member and department
Kuznicki, Steven M. (Chemical and Materials Engineering)
Hashishou, Zaher (Civil and Environmental Engineering)
Zeng, Hongbo (Chemical and Materials Engineering)
Department
Department of Chemical and Materials Engineering
Specialization
Chemical Engineering
Date accepted
2014-07-04T13:41:26Z
Graduation date
2015-06
Degree
Master of Science
Degree level
Master's
Abstract
The steam cracking of hydrocarbons is the dominant technology for ethylene production and is a highly energy intensive process. The increasing demand for ethylene has stimulated substantial research into the development of new process routes to reduce energy consumption and other costs. Catalytic dehydrogenation of ethane using a membrane reactor is an attractive solution because the cracking equilibrium can be shifted in favor of ethylene by selectively removing hydrogen. Lower temperatures can thus be used to generate comparable ethylene yields. Using natural mordenite as membrane and Pt/Al2O3 as catalyst, a reactor with membrane area to reactor volume ratio of 0.16 m-1 improved ethylene yield by 15.6% comparing to the conventional packed-bed reactor at 500°C. A novel Pt-Zn/ETS-2 catalyst for ethane dehydrogenation was also developed. With this catalyst, unlike the Pt/Al2O3, side reactions could be completely suppressed and the ethylene selectivity could reach 100% while conversion was at equilibrium.
Language
English
DOI
doi:10.7939/R3W950W6G
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.
Citation for previous publication
A. M. Avila, Z. Yu, S. Fazli, J. A. Sawada, and S. M. Kuznicki: "Hydrogen-Selective Natural Mordenite in a Membrane Reactor for Ethane Dehydrogenation", Microporous and Mesoporous Materials, 2014, 190 (0), 301-308

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