Abstract
In southern Spain, coal seams typically contain pyrite. The mines there are characteristically contaminated by the presence of diverse metals disolved in acidic water. An experimental passive system, containing an anoxic limestone draine, organic matter and wetlands, was constructed to assess how best to inprove the water chemistry. The procedure we used is reported on here so others can learn from what we did.
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Ramírez Masferrer, J. Passive Treatment of Acid Mine Drainage at the La Extranjera Mine (Puertollano, Spain). Mine Water and the Environment 21, 111–113 (2002). https://doi.org/10.1007/s102300200031
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DOI: https://doi.org/10.1007/s102300200031