Environmental Risk Assessment System for Phosphogypsum Tailing Dams

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Xin Sun ; Ping Ning ; Xiaolong Tang ; Honghong Yi ; Kai Li ; Lianbi Zhou ; Xianmang Xu (2013)
  • Publisher: Hindawi Limited
  • Journal: The Scientific World Journal, volume 2,013 (issn: 1537-744X, eissn: 1537-744X)
  • Related identifiers: pmc: PMC3870874, doi: 10.1155/2013/680798
  • Subject: Research Article | Science (General) | Q1-390 | Article Subject

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.
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