Method of manufacturing ferrosilicon

Details Method of manufacturing ferrosilicon Method of manufacturing ferrosilicon

1983-08-25

1985-07-02

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 11, 75129, C22B 400

Patent

active

045266123

ABSTRACT:
Ferrosilicon is manufactured from a material containing silica and a raw material containing iron by injecting these materials, possibly together with a reducing agent, with the help of a carrier gas into a plasma gas. The silica and the iron raw material, possibly with the reducing agent, heated in this way are then introduced with the energy-rich plasma gas into a reaction chamber surrounded by a solid reducing agent in lump form, the silica thus being brought to the molten state, being reduced and reacting with the iron to form ferrosilicon.

REFERENCES:
patent: 3431103 (1969-03-01), Querengasser
patent: 3759695 (1973-09-01), Downing
patent: 4072504 (1978-02-01), Perdahl et al.

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