Developing source control strategies for managing drainage from mine waste materials

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When mine waste materials are exposed to water and air, various potentially harmful elements, such asselenium, sulfate and nitrate can be released and mobilized with the drainage. Active water treatment formanaging mine drainage poses a long-term challenge to mining companies. A preferable option is to preventthe release of constituents of concern at the source, i.e., source control. The successful implementation ofsource control strategies relies on the availability of essential knowledge on the dynamics of constituent releaseand the key fundamental factors that control the release dynamics. The objective of this research is to developeffective source control strategies to help reduce constituent loading in contact water and ideally to enablemining companies to reduce the long-term reliance on active water treatment.