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Permanent link (DOI): https://doi.org/10.7939/R3SS66

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Remediation study for a salt-affected soil impacted by the oil and gas industry Open Access

Descriptions

Other title
Subject/Keyword
salt
soil
remediation
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Guo, Ying
Supervisor and department
Selma E. Guigard (Department of Civil and Environmental Engineering)
Examining committee member and department
Tong Yu (Department of Civil and Environmental Engineering)
Selma E. Guigard (Department of Civil and Environmental Engineering)
Tariq Siddique (Department of Renewable Resources)
Department
Department of Civil and Environmental Engineering
Specialization

Date accepted
2009-10-01T21:07:49Z
Graduation date
2009-11
Degree
Master of Science
Degree level
Master's
Abstract
An agricultural land was adversely affected by salt released by the oil and gas industry. Remediation was needed to recover the land to agricultural productivity. Field-scale and laboratory-scale experiments were conducted to identify a practical and reliable remediation technique that could be used to treat the salt-contaminated farmland. Different approaches, including leaching and drainage interventions, gypsum application, zeolite application, alluing or ripping, sanding and combinations of these approaches, were tested to evaluate the removal of sodium and chloride from salt-affected soils. Electrical conductivity (EC), sodium adsorption ratio (SAR) and remediation time were three important diagnostic parameters in the evaluation. It was found that the integrated application of alluing, gypsum addition and leaching achieved the best remediation for the fine textured soil containing a high concentration of sodium and chloride. Chemical amendments must be applied prior to leaching when treating severely sodic soils.
Language
English
DOI
doi:10.7939/R3SS66
Rights
License granted by Ying Guo (yingg@ualberta.ca) on 2009-09-30T22:04:17Z (GMT): 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 the above terms. The author reserves all other publication and other rights in association with the copyright in the thesis, and except as herein 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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