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Applications of Titanosilicate Molecular Sieve in Gas Separation Open Access


Other title
Air Separation
Type of item
Degree grantor
University of Alberta
Author or creator
Shi, Meng
Supervisor and department
Prof. Steven Kuznicki (Chemical & Materials Engineering)
Examining committee member and department
Prof. Zaher Hashisho (Civil & Environmental Engineering)
Prof. Steven Kuznicki (Chemical & Materials Engineering)
Prof. Qingxia Liu (Chemical & Materials Engineering)
Prof. Douglas Ruthven (Chemical & Biological Engineering, The University of Maine)
Prof. Hongbo Zeng (Chemical & Materials Engineering)
Department of Chemical and Materials Engineering
Chemical Engineering
Date accepted
Graduation date
Doctor of Philosophy
Degree level
Adsorption behavior of nitrogen, argon and oxygen on silver exchanged titanosilicate (Ag-ETS-10) were studied in this work. A low temperature gas chromatographic determination of relatively low concentration argon (<1%) was developed, which was applied to evaluate the production of argon free oxygen by adsorptive air separation on Ag-ETS-10. A lab-scale demonstration shows that Ag-ETS-10 is promising as an adsorbent capable of producing high purity oxygen. A mathematic model base on mass balance proves Ag-ETS-10 bed with enhanced density possesses higher recovery yield of oxygen during adsorptive air separation. Several techniques to enhance the bed density of Ag-ETS-10 were investigated. A lab-scale demonstration was carried to verify the prediction of this correlation. Adsorption behaviors of different hydrocarbons (methane, ethane, ethylene) on ETS-10 at high pressure were studied. Separation of binary mixture (ethylene/ethane, methane/ethane) at high pressure was investigated on ETS-10 through lab-scale demonstration. The bed selectivity was obtained from the demonstration and verified through ideal adsorbed solution theory model. As an alternative, microwave desorption provided a faster heating rate and desorption rate, higher desorption and gas recovery and lower energy consumption compared to conductive heating. Desorption of ethylene/ethane and carbon dioxide/methane mixtures was performed by microwave heating on Na-ETS-10 were investigated.
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
M. Shi, J. Kim, J.A. Sawada, J. Lam, S. Sarabadan, T.M. Kuznicki, S.M. Kuznicki, Production of argon free oxygen by adsorptive air separation on Ag-ETS-10, accepted by AIChE J., May 2012.T. Chowdhury, M. Shi, Z. Hashisho, J.A. Sawada, S.M. Kuznicki, Regeneration of Na-ETS-10 using microwave and conductive heating, Chem. Eng. Sci. 75 (2012) 282-288.A.M. Avila, F. Yang, M. Shi, S.M. Kuznicki, Extraction of ethane from natural gas at high pressure by adsorption on Na-ETS-10, Chem. Eng. Sci. 66 (2011) 2991-2996.M. Shi, A.M. Avila, F. Yang, T.M. Kuznicki, S.M. Kuznicki, High pressure adsorptive separation of ethylene and ethane on Na-ETS-10, Chem. Eng. Sci. 66 (2011) 2817-2822.

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