Abstract
The use of mineral processing techniques, such as size classification, attrition, gravity separation, flotation etc., can be considered attractive to treat contaminated waste when there is the possibility to recover marketable materials and/or to reduce drastically the volume and the contaminants of the rejects to be located in controlled waste disposal sites. This paper gives some examples of their application to treat: a mine waste contaminated with heavy metals; a granite waste, a contaminated sediments dredging and fly ash from a coal power station.
Keywords: Mineral processing, Heavy metal mine waste, Granite waste, Dredging waste, Fly ash.
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