Treatment of ferromanganese

Details Treatment of ferromanganese Treatment of ferromanganese

1983-10-03

1985-09-10

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

C22B 400

Patent

active

045404330

ABSTRACT:
A method of treating ferromanganese alloys in a suitable reactor wherein the feed material is heated by a transferred-arc thermal plasma and is fed directly to the reactor bath. Accordingly, the molten bath defines a reaction zone and at least a part of the molten bath defines a lower electrode surface for the arc. In particular, ferromanganese alloy fines may be remelted to form a physically more massive form of the alloy and additionally may be refined by the addition of suitable metal oxides to yield a product wherein the content of at least silicon or carbon is lowered.

REFERENCES:
patent: 3347766 (1967-10-01), Death
patent: 3671655 (1972-06-01), Adachi
patent: 3684667 (1972-08-01), Sayce
Donyina et al., "Treatment of Ferro-Manganese Fines in an Extended Arc Flash Reactor", CIM Bulletin, vol. 75, No. 847, pp. 132-137 (1982).

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