Method of recovering metals from liquid slag

Details Method of recovering metals from liquid slag Method of recovering metals from liquid slag

C - Chemistry, Metallurgy

22

B

53/358

C22B 7/04 (2006.01) C22B 5/02 (2006.01) C22B 5/10 (2006.01) C22B 9/22 (2006.01)

Patent

CA 1200702

ABSTRACT "METHOD OF RECOVERING METALS FROM LIQUID SLAG" Recovery of oxide or silicate-bound metals from liquid slag, in metallic or sulphidic form is carried out by reduction with carbonaceous reducing agent, the thermal energy required to maintain the temperature and perform the reduction and sulphidization being provided by blowing in gas pre- heated in a plasma generator below the surface of the slag bath. The vapour of volatile metals is condensed in known manner in a condensor, the non-volatile metals and sulphides formed being collected in the form of molten drops which are allowed to settle out of the slag.

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