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Permanent link (DOI): https://doi.org/10.7939/R3Z01X

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Microwave Assisted Regeneration of Na-ETS-10 Open Access

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Other title
Subject/Keyword
Regeneration
Microwave
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Chowdhury, Tamanna
Supervisor and department
Hashisho, Zaher (Civil and Environmental Engineering)
Examining committee member and department
Ulrich, Ania C (Civil and Environmental Engineering)
Department
Department of Civil and Environmental Engineering
Specialization
Environmental Engineering
Date accepted
2012-04-27T09:47:20Z
Graduation date
2012-11
Degree
Master of Science
Degree level
Master's
Abstract
In adsorptive separation of binary gas mixtures, regeneration techniques require either a long operation time or high energy consumption. Microwave heating offers the advantage of faster heating and lower energy consumption. A comparison of microwave heating and conductive heating for the regeneration of sodium exchanged Engelhard titanosilicate (Na-ETS-10) showed that, for microwave heating, the energy consumption was 0.7 kJ/g Na-ETS-10, and the gas recovery was 94% for C2H4/C2H6 and 70% for CO2/CH4. Conductive heating had an energy consumption of 7.7~7.9 kJ/g Na-ETS-10 and resulted in 71% gas recovery for C2H4/C2H6 and 57% for CO2/CH4. In another comparison, it was observed that water desorption required more energy than microwave heating in both the constant power and constant temperature modes and, therefore, was not a potential technique for regenerating Na-ETS-10. Hence, microwave heating can be used as a more efficient and energy-saving regeneration technique for Na-ETS-10 for adsorptive separation of binary mixtures.
Language
English
DOI
doi:10.7939/R3Z01X
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
Chowdhury, T., Shi, M., Hashisho, Z., Sawada, J.A., Kuznicki, S.M., 2012. Regeneration of Na-ETS-10 using microwave and conductive heating. Chemical Engineering Science doi:10.1016/j.ces.2012.03.039

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File title: CHAPTER ONE: INTRODUCTION
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