Conference Proceedings
MINPREX 2000
Conference Proceedings
MINPREX 2000
Plasma Enhanced Recovery of Alloying Elements from Slags, Wastes and Lean Ores
This paper presents an overview of the researches carried out in our laboratory on the application of plasma in recovery of alloy elements from waste slags and the treatment of lean ores, which are examples of advanced materials processing. After briefly reviewing the early work on the reduction of nickel, chromium, manganese, vanadium and titanium oxides, and a short investigation of the reduction of titanium oxide from the slag resulting from the blast furnace smelting of a titanomagnetite ore, the paper concentrates on the more recent studies on the reduction of an Australian scheelite. In some of these experiments, aluminium was used in addition to carbon as a reductant, in virtually all cases complete reduction was achieved within a relatively few minutes even with carbon alone during plasma processing. It therefore appears that this technique provides a possible processing route to facilitate the recovery of valuable alloying elements from non-traditional sources, or to permit process step elimination.
Contributor(s):
Y Yang, R F Johnston, I D Sommerville, A McLean
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- Published: 1999
- PDF Size: 0.755 Mb.
- Unique ID: P200005075