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The Scientific World Journal
Volume 2013 (2013), Article ID 680798, 13 pages
http://dx.doi.org/10.1155/2013/680798
Research Article

Environmental Risk Assessment System for Phosphogypsum Tailing Dams

1Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China
2Department of Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
3Beijing General Research Institute of Mining and Metallurgy, Beijing 100160, China

Received 2 September 2013; Accepted 20 October 2013

Academic Editors: N. F. Atta and M. Yari

Copyright © 2013 Xin Sun et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

This paper may be of particular interest to the readers as it provides a new environmental risk assessment system for phosphogypsum tailing dams. In this paper, we studied the phosphogypsum tailing dams which include characteristics of the pollution source, environmental risk characteristics and evaluation requirements to identify the applicable environmental risk assessment methods. Two analytical methods, that is, the analytic hierarchy process (AHP) and fuzzy logic, were used to handle the complexity of the environmental and nonquantitative data. Using our assessment method, different risk factors can be ranked according to their contributions to the environmental risk, thereby allowing the calculation of their relative priorities during decision making. Thus, environmental decision-makers can use this approach to develop alternative management strategies for proposed, ongoing, and completed PG tailing dams.