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soil acidification, freundlich, oil sands, langmuir, sulfate adsorption, acid deposition

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Subject-Keyword: soil acidification freundlich oil sands langmuir sulfate adsorption acid deposition

Type of item: Journal Article Published

Language: English

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Date created: 2011

DOI: doi:10.7939-R3C53F25T

License information: Creative Commons Attribution-Non-Commercial-No Derivatives 3.0 Unported

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Author: Jung, K. Ok, Y. S. Chang, S. X.

Source: https://era.library.ualberta.ca/


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Sulfate adsorption properties of acid-sensitive soils in the Athabasca oil sands region in Alberta, Canada Kangho JUNG a, †, 1, Yong Sik OK b, †, Scott X.
CHANG a, * a Department of Renewable Resources, University of Alberta, Edmonton, AB T6G 2E3, Canada b Department of Biological Environment, Kangwon National University, Chuncheon 200-701, Korea † : Those two authors share co-first-authorship Text pages: 21 Tables: 4 Figures: 2 Submitted to: Chemosphere *Corresponding author: scott.chang@ualberta.ca, tel: 1-780-492-6375, fax: 1-780-492-1767 Address: Department of Renewable Resources, 442 Earth Sciences Building, University of Alberta, Edmonton, Alberta, Canada T6G 2E3 1 Permanent address: Department of Agricultural Environment, National Academy of Agricultural Science, 150 Suinro, Kweonseonku, Suwon, Republic of Korea, 441-707 1 This paper has been published as Jung, K., Ok, Y.
S., & Chang, S.
X.
(2011).
Sulfate adsorption properties of acid-sensitive soils in the athabasca oil sands region in Alberta, Canada. Chemosphere, 84(4), 457-463.
doi:10.1016-j.chemosphere.2011.03.034 2 ABSTRACT: The risk of soil acidification is high in the Athabasca oil sands region (AOSR) in Alberta, Canada, due to elevated SO2 emission and the resultant acid deposition to sensitive, coarse-textured soils.
Understanding the sulfate adsorption characteristics of soils sensitive to acidification will help establish critical loads of acid deposition in AOSR.
Sulfate adsorption properties were evaluated and relationships between sulfate adsorption and soil properties were examined for soils in two contrasting watersheds (NE7 and SM8) in AOSR.
The experimental data fitted well to both the Langmuir and the Freundlich models.
The sulfate adsorption capacity was greater for soils in SM8 than in NE7 (p 0.01), even though it was relatively low in both watersheds as compared to other acid-sensitive soils in eastern North America.
Based on the additional sulfate adsorbed wh...





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