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Permanent link (DOI): https://doi.org/10.7939/R3J32M

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A Preliminary Study on Pyrolysis and Gasification of Asphaltenes and Coal-Asphaltenes Slurry in Entrained Flow Reactor Open Access

Descriptions

Other title
Subject/Keyword
Asphaltenes
Char characteristics
Pyrolysis
Gasification
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Berahman, Behnam
Supervisor and department
Gupta, Rajender (Chemical and Materials Engineering)
Examining committee member and department
Prasad, Vinay (Chemical and Materials Engineering)
Gupta, Rajender (Chemical and Materials Engineering)
Trivedi, Japan (Civil and Environmental Engineering)
Department
Department of Chemical and Materials Engineering
Specialization
Chemical Engineering
Date accepted
2012-09-24T13:39:10Z
Graduation date
2012-09
Degree
Master of Science
Degree level
Master's
Abstract
The aim of this work is to study pyrolysis of coal-asphaltenes slurry in an atmospheric entrained flow reactor. Athabasca asphaltenes and Genesee coal, both from Alberta in Canada, were selected as the feedstock. Char characteristics and the structure of asphaltenes and slurry chars including morphology, particle size distribution and surface area were determined. Besides, the reactivity of chars obtained from the fast pyrolysis was measured and the effect of temperature, heating rate and residence time on the produced char reactivity was investigated. Furthermore, the gasification kinetics of the asphaltenes and slurry chars with O2 were studied and a reaction kinetic was proposed based on the TGA results. The results revealed that in the slurry char, asphaltenes part and coal part involve in the reaction with oxygen separately. It is also concluded that the reactivity of the chars obtained from the slurry of coal-asphaltenes was lower than the asphaltenes chars.
Language
English
DOI
doi:10.7939/R3J32M
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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