Process for reduction smelting of materials containing base meta

Details Process for reduction smelting of materials containing base meta Process for reduction smelting of materials containing base meta

1988-03-09

1989-08-15

Kastler, S.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 26, 75 82, C22B 102, C22B 2300

Patent

active

048571040

ABSTRACT:
A process for reduction smelting of copper-, nickel- or cobalt-containing materials in which such a material, at least partly in oxidic form is heated or combusted in finely divided form in a neutral or oxidizing flame to provide superheated particles. The superheated particles are then distributed onto a thin layer of coke. The materials in the particles are reduced in the thin layer of coke to metals or mattes or, in the case of iron, to wustite which forms a discardable slag with flux. Reduced product and slag form separate molten layers underneath the thin coke layer. All heat necessary for reduction and melting of product and slag is provided directly by the flame both in sensible heat in the superheated particles and by radiation.

REFERENCES:
patent: 4087274 (1978-05-01), Edenwall et al.
patent: 4388110 (1983-06-01), Jensfelt et al.
patent: 4514217 (1985-04-01), Petersson
patent: 4519836 (1985-05-01), Sychev et al.
patent: 4740240 (1988-04-01), Sulzbacher et al.

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