<p>A method for the continuous recovery of non-iron metals from a molten metallurgical slag containing lead, copper or nickel by continuously reducing the layer with carbon dust. The metal layer produced at the furnace bottom is maintained sufficiently thin so that it is between 0 and 20 mm thick. Injection of carbon dust into the metal layer is avoided.</p>
申请公布号
DE3616868(C2)
申请公布日期
1994.08.25
申请号
DE19863616868
申请日期
1986.05.20
申请人
OUTOKUMPU OY, HELSINKI, FI
发明人
KROGERUS, ERKKI VIKTOR SAMUEL, ESPOO, FI;TALONEN, TIMO TAPANI, NAKKILA, FI