Method and apparatus for complex continuous processing of...

Details Method and apparatus for complex continuous processing of... Method and apparatus for complex continuous processing of...

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.

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