Management of Sulfide-Bearing Waste, a Challenge for the Mining Industry
AbstractOxidation of iron sulfides in waste rock dumps and tailings deposits may result in formation of acid rock drainage (ARD), which often is a challenging problem at mine sites. Therefore, integrating an ARD management plan into the actual mine operations in the early phases of exploration, continuing through the mine life until final closure might be successful and decrease the environmental impact. A thorough characterization of ore and waste should be performed at an early stage. A detailed knowledge of mineralogical composition, chemical composition and physical properties such as grain size, porosity and hydraulic conductivity of the different waste types is necessary for reliable predictions of ARD formation and efficiency of mitigation measures. Different approaches to prevent and mitigate ARD are discussed. Another key element of successfully planning to prevent ARD and to close a mining operation sustainably is to engage the mine stakeholders (regulators, community and government leaders, non-governmental organization (NGOs) and lenders) in helping develop and implement the ARD management plan.
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Öhlander, B.; Chatwin, T.; Alakangas, L. Management of Sulfide-Bearing Waste, a Challenge for the Mining Industry. Minerals 2012, 2, 1-10.
Öhlander B, Chatwin T, Alakangas L. Management of Sulfide-Bearing Waste, a Challenge for the Mining Industry. Minerals. 2012; 2(1):1-10.Chicago/Turabian Style
Öhlander, Björn; Chatwin, Terrence; Alakangas, Lena. 2012. "Management of Sulfide-Bearing Waste, a Challenge for the Mining Industry." Minerals 2, no. 1: 1-10.