FIELD: chemistry. SUBSTANCE: prior to leaching, residues are subjected to melting in furnace with formation of molten metallic phase containing at least silicon and copper, and slag phases with subsequent discharge of molten metallic phase and inert slag from furnace. Subjected to leaching is metallic phase. EFFECT: higher efficiency. 9 cl
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Authors
Dates
1997-12-10—Published
1995-12-30—Filed