C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/351, 39/4
C22B 5/00 (2006.01)
Patent
CA 1086960
Abstract of the Disclosure Starting materials, e.g., copper-zinc or copper-lead- -zinc concentrates and also slag-containing zinc and lead, are first melted in an atmosphere of gas containing free oxygen, and the resulting melt is then reduced by means of a gaseous plasma jet formed, for instance, by nitrogen. An apparatus includes one or several plasmatrons whose nozzles are immersed in the melt at a angle to its surface for agitation of said melt by the plasma jet and for reduc- tion of the metal oxides.
265591
Cherednichenko Vladimir S.
Egorova Tatyana S.
Elkina Alla K.
Frolov Jury F.
Gavrilenko Alexandr F.
Gosudarstvenny Nauchno-Issledovatelsky Institut Tsvetnykh Metall
Ogilvy Renault
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