Sökning: "Erik Puura"

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1. 1. Weathering of mining waste rock containing alum shale and limestone

   Författare :Erik Puura; KTH; []
   Nyckelord :;

   Sammanfattning : Geochemical processes occurring in the waste rock dumps ofan old phosphate mine, located in Maardu, northem Estonia, havebeen studied and modelled. The waste rock contains pyritic,metalliferous and organic-rich shale, as well as limestone.Production of acidity during pyrite oxidation is a potentialmechanism for heavy metal release. LÄS MER