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Permanent link (DOI): https://doi.org/10.7939/R3HT3X

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Effect of Solid Contamination on Stability of Model Oil-Water Emulsions Open Access

Descriptions

Other title
Subject/Keyword
emulsions
solid contamination
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Khademi, Sima
Supervisor and department
Xu, Zhenghe (Chemical and Materials Engineering)
Examining committee member and department
Liu, Qi (Chemical and Materials Engineering)
Joseph, Tim G (Civil & Environmental Engineering)
Xu, Zhenghe (Chemical and Materials Engineering)
Department
Department of Chemical and Materials Engineering
Specialization

Date accepted
2012-05-11T09:35:54Z
Graduation date
2012-11
Degree
Master of Science
Degree level
Master's
Abstract
Stabilization of water droplets in froth treatment process results in poor de-watering efficiency and potentially affects final bitumen quality. The purpose of this research is to study the effect of solid contamination by diluted bitumen on water droplet stabilization in water in oil emulsions. To model froth solids different types of minerals were ground to similar sizes and exposed to solutions of different bitumen concentrations as encountered in froth cleaning process. Complementary surface characterization techniques were used to characterize surface composition. It was revealed that all type of minerals were capable of adsorbing bitumen components when the solid surface was dry. To mimic the cleaning process, contaminated solids were added to the diluted bitumen and water so that the emulsion formation could be studied and linked with surface properties of solids. The results from this study indicated that partially hydrophobic kaolinite, siderite and silica could stabilize water droplets very well.
Language
English
DOI
doi:10.7939/R3HT3X
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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