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Permanent link (DOI): https://doi.org/10.7939/R3T94X

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Remediation of bitumen-contaminated sand grains: development of a protocol for washing performance evaluation Open Access

Descriptions

Other title
Subject/Keyword
Washing
Contaminated Sand
Remediation
Bitumen
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Mani, Farnaz
Supervisor and department
Yeung, Tony (Chemical and Material Engineering)
Examining committee member and department
Liu, Yang (Civil and Environmental Engineering)
Liu, Qi (Chemical and Material Engineering)
Department
Department of Chemical and Materials Engineering
Specialization

Date accepted
2010-03-29T19:15:29Z
Graduation date
2010-06
Degree
Master of Science
Degree level
Master's
Abstract
In the development of a non-aqueous bitumen extraction process, a major obstacle is solvent loss due to hydrocarbon attachment to the reject sand grains. A proposed solution to this problem is to wash (i.e. remediate) the oil-contaminated sand grains with water and surfactants. This research is focused on developing a protocol to evaluate the performance of particular surfactant types and water chemistry; emphasis was placed on using minimal amounts of water to recover the residual oil. To start, a series of jar tests were conducted (using heptane and hexadecane as solvents)to study the phase behaviours of oil-water-surfactant ternary systems. This was followed by the development of a new washing protocol for the purpose of evaluating remediation performance. Finally, the correlation between overall remediation performance and the oil-water interfacial tension was discussed.
Language
English
DOI
doi:10.7939/R3T94X
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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