Enhancing the flotation recovery of copper minerals in
#0183;#32;Slag cleaning can be divided into two types, first being the pyrometallurgical reduction and settling of liquid slag, which is performed in slagcleaning furnaces, and the second type being the mineral processingbased slag cleaning of solidified or granulated slag by crushing and/or grinding followed by gravity concentration or froth flotation (Davenport et al., 2002).