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Permanent link (DOI): https://doi.org/10.7939/R3TP53

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Characterization of natural zeolite membranes for H2/CO2 separations by single gas permeation Open Access

Descriptions

Other title
Subject/Keyword
modeling
H2
zeolite
CO2
molecular sieve
Hydrogen
membrane
characterization
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Hoseinzadeh Hejazi, Sayed Alireza
Supervisor and department
Kuznicki, Steven (Chemical and Materials Engineering)
Examining committee member and department
Mitra, Sushanta (Mechanical Engineering)
Dechaine, Greg (Chemical and Materials Engineering)
Department
Department of Chemical and Materials Engineering
Specialization

Date accepted
2011-09-27T21:04:39Z
Graduation date
2011-11
Degree
Master of Science
Degree level
Master's
Abstract
Membrane-based processes have the potential to overcome the limitations of conventional hydrogen separation techniques such as high energy consumption and environmental concerns. Natural zeolite membranes have recently been shown to demonstrate apparent molecular sieving of H2 from H2/CO2 mixtures and can be used as a model for the development of robust molecular sieve membranes with superior separation characteristics. The focus of this thesis is the characterization of natural clinoptilolite membranes made from dense mineral deposits by single gas H2 and CO2 permeation. Permeability values as a function of temperature and pressure were analyzed based on mass transport fundamentals of gas permeation through zeolite and non-zeolite pathways. Simple comparative parameters were introduced to characterize natural zeolite membranes. H2 and CO2 fluxes through the membranes were fitted with a model based on a combination of zeolitic, Knudsen and viscous transports so that the selective and non-selective flux fractions could be quantified.
Language
English
DOI
doi:10.7939/R3TP53
Rights
License granted by Sayed Alireza Hoseinzadeh Hejazi (hoseinza@ualberta.ca) on 2011-09-27T06:09:46Z (GMT): 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 the above terms. The author reserves all other publication and other rights in association with the copyright in the thesis, and except as herein 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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