Method for the production of ferrochromium

Details Method for the production of ferrochromium Method for the production of ferrochromium

1982-07-20

1983-11-01

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

C22C 3300

Patent

active

044128622

ABSTRACT:
Described is a method for the production of ferrochromium and a rotary furnace employed in such method. Raw chromium ores, fluxes and carbonaceous reducing agent(s) are charged into a rotary furnace into which oxygen or oxygen-enriched air is blown to effect smelting reduction. Hot exhaust gases from the rotary reducing furnace are used for pre-heating and pre-reducing of the materials for saving the energy considerably as contrasted to conventional methods.

REFERENCES:
patent: 3791819 (1974-02-01), Loutzenhiser
patent: 3834899 (1974-09-01), Tanabe

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