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Permanent link (DOI): https://doi.org/10.7939/R35X2G

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Separation of ethylene and ethane by adsorption on titanosilicate Open Access

Descriptions

Other title
Subject/Keyword
separation
titanosilicate
ethylene
ethane
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Shi, Meng
Supervisor and department
Steven Kuznicki (Chemical and Materials Engineering)
Examining committee member and department
Jeffrey Stryker (Chemistry)
Tony Yeung (Chemical and Materials Engineering)
Steven Kuznicki (Chemical and Materials Engineering)
Department
Department of Chemical and Materials Engineering
Specialization

Date accepted
2010-01-28T21:12:42Z
Graduation date
2010-06
Degree
Master of Science
Degree level
Master's
Abstract
The energy costs associated with ethane-ethylene separation could be significantly reduced by the development of alternatives to cryodistillation. This work examined ethylene recovery by equilibrium adsorption on two types of titanosilicate molecular sieve adsorbents, Na-ETS-10 and Zn-RPZ. A practical adsorptive separation of industrial process gas, with a measured binary bed selectivity for ethylene over ethane of approximately 5 at 25°C and 1 atm, was demonstrated using Na-ETS-10 as the adsorbent. The effects of different binder systems and separation flow rates on the mass transfer properties of Na-ETS-10 were examined in order to optimize the separation. High pressure and low temperature, similar to the working conditions in ethylene production plants, were found to increase the separation factor for these materials. Thermal, steam and microwave desorption methods were compared, and microwave desorption was determined to be the most efficient option for ethylene/ethane desorption and Na-ETS-10 regeneration.
Language
English
DOI
doi:10.7939/R35X2G
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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