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Permanent link (DOI): https://doi.org/10.7939/R3CH1T

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Characterizing the Transport of Process-Affected Water Contained in Oil Sands Tailings Ponds into the underlying Pleistocene clay till in Northern Alberta’s Athabasca Oil Sands region: A Field Study Open Access

Descriptions

Other title
Subject/Keyword
Groundwater--Pollution--Alberta--Athabasca Tar Sands
Oil sands extraction plants--Waste disposal--Alberta--Athabasca Tar Sands
Oil sands industry--Environmental aspects--Alberta--Athabasca Tar Sands
Seepage--Alberta--Athabasca Tar Sands
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Abolfazlzadehdoshanbehbazari, Mostafa
Supervisor and department
Ulrich, C. Ania (Civil and Environmental Engineering)
Examining committee member and department
Wilson, Ward (Civil and Environmental Engineering)
Mendoza, Carl (Earth and Atmospheric Sciences)
Department
Department of Civil and Environmental Engineering
Specialization

Date accepted
2011-07-08T16:55:46Z
Graduation date
2011-11
Degree
Master of Science
Degree level
Master's
Abstract
A small scale Infiltration Pond was constructed to characterize the transport of oil sands process affected (PA) water contained in Suncor’s South Tailings Pond (STP) to the Wood Creek Sand Channel (WCSC) through a 5-8 m thick glacial clay till. The extent of PA water infiltration was determined by extracting pore water samples from the clay till, analyzing their isotopic (δ18O), major ions, and metals composition over a two year time period. As conservative tracers, δ18O and chloride concentration trends indicated the water penetration line at approximately 0.9 m, while major ion and metal mobility lagged this line. Uptake of Mo, Pb, sodium and sulphate and release of Ba, Sr, calcium and magnesium suggest that adsorption and ion exchange reactions are the foremost attenuation processes controlling inorganic solutes transport. In addition, a correlation coefficient of 0.96 between diffusion analytical models and field measurements for tracers, provided evidence of a diffusion-dominated system.
Language
English
DOI
doi:10.7939/R3CH1T
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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