Process of reducing nonferrous metal oxides in slags

Details Process of reducing nonferrous metal oxides in slags Process of reducing nonferrous metal oxides in slags

C - Chemistry, Metallurgy

22

B

C22B 5/02 (2006.01) C22B 5/12 (2006.01) C22B 13/02 (2006.01) C22B 15/00 (2006.01) C22B 15/06 (2006.01) C22B 19/30 (2006.01)

Patent

CA 2062184

ABSTRACT In the reduction of liquid slags or molten salts which contain nonferrous metal oxides and are disposed over a liquid metal layer consisting of the corresponding non- ferrous metal oxides and are disposed over a liquid metal layer consisting of the corresponding nonferrous metal, car- bonaceous reducing agents and oxygen-containing gas are in- jected through nozzles into the metal layer. In order to im- prove the gasification of the reducing agent the height of the metal layer is so selected that at least 50% of the re- ducinq agent are reacted to CO and optionally H2 in the metal layer before the reducing agent enters the slag layer.

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