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Permanent link (DOI): https://doi.org/10.7939/R3M026

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Study of Bitumen Liberation from Oil Sands Ores Open Access

Descriptions

Other title
Subject/Keyword
Ores
Oil
Liberation
Bitumen
Sands
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
SrinivasaRajagopalan, Sundeep
Supervisor and department
Masliyah, Jacob (Chemical and Materials Engineering)
Xu, Zhenghe (Chemical and Materials Engineering)
Examining committee member and department
Szymanski, Jozef (Civil and Environmental Engineering)
Department
Department of Chemical and Materials Engineering
Specialization

Date accepted
2010-10-01T22:36:35Z
Graduation date
2010-11
Degree
Master of Science
Degree level
Master's
Abstract
To better understand bitumen conditioning stage in oil sands extraction process a flow cell was designed to study bitumen liberation directly from sand grains, using real oil sand ore. A high-grade oil sand ore was subjected to various water temperatures and pH values to examine the bitumen liberation. The effect of weathering of the high-grade ore and the presence of salt in the water were also examined to evaluate their effect on bitumen liberation. Bitumen liberation was found to be critically and proportionately dependent on solution (water) temperature and pH values. A high temperature of 46C and pH value of 11.3 promoted fast liberation with a high bitumen liberation. High salt concentration complemented with a high pH value was found to be detrimental to bitumen liberation from a high-grade ore. Overall, this novel setup provided distinct, high quality images and interesting results, which aided in understanding the critical parameters behind bitumen liberation from an oil sand ore.
Language
English
DOI
doi:10.7939/R3M026
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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