Reduction of metal oxides

Details Reduction of metal oxides Reduction of metal oxides

C - Chemistry, Metallurgy

21

B

C21B 13/00 (2006.01) C21B 13/08 (2006.01)

Patent

CA 2100270

A method of reducing metal oxides in a vessel containing a molten bath, the bath comprising a metal layer and a slag layer, wherein metal oxides and carbonaceous material are introduced into the bath, gas is injected into the slag layer to cause the eruption of molten slag parts, droplets and/or streams into the gas space above the bath and oxygen-containing gas is injected into the gas space to cause post-combustion.

Méthode de réduction des oxydes métalliques dans un récipient contenant un bain fondu. Le bain comprend une couche de métal et une couche de laitier dans lequel on introduit des oxydes métalliques et des matières carbonées; du gaz est injecté dans la couche de laitier afin de provoquer l'éruption de particules, de goutelettes ou de jets de laitier fondu dans l'espace d'air au dessus du bain et un gaz oxygéné est injecté dans cet espace afin de provoquer une post-combustion.

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