ECOLOGICAL RISK-BASED PERFORMANCE EVALUATION OF A WASTE STABILIZATION POND

被引:0
|
作者
Abbassi, Rouzbeh [1 ]
Khan, Faisal [1 ]
Hawboldt, Kelly [1 ]
机构
[1] Mem Univ Newfoundland, Fac Engn & Appl Sci, Dept Proc Engn, St John, NF A1B 3X5, Canada
来源
ENVIRONMENTAL ENGINEERING AND MANAGEMENT JOURNAL | 2010年 / 9卷 / 06期
基金
加拿大自然科学与工程研究理事会;
关键词
ecological risk; performance; stabilization pond; uncertainty; ACID-MINE DRAINAGE; TAILINGS POND; HUMAN HEALTH; BIOAVAILABILITY; CONTAMINATION; POLLUTION; BEHAVIOR; METALS; KOREA; WATER;
D O I
暂无
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Ecological Risk Assessment is the process of defining and quantifying risks to ecological entities and determining the acceptability of the predicted risk. The estimated risk of the effluent of treatment systems can be used to assess its performance. Waste stabilization ponds (WSPs) are widely used for treating the tailing water on mine sites. The objective of this study is to assess the risk of effluent from the specific WSP to ecosystem. The chemical concentrations in the freshwater pond and marine water in the vicinity of the WSP were calculated using pond data and fate and transport models (SESOIL and AT123D). Subsequently, estimated chemical concentrations are used in quantifying the ecological risk using ERA software developed at Memorial University for ecological risk assessment. The results of calculating risk shows that the chemical contaminants released from the WSP has a maximum effect on the polar bears as one of the ecological entities in the vicinity of the pond. Finally, uncertainty analysis is conducted to demonstrate the risk zone and the risk range.
引用
收藏
页码:757 / 764
页数:8
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