Process for the roasting and chlorination of finely-divided iron

Details Process for the roasting and chlorination of finely-divided iron Process for the roasting and chlorination of finely-divided iron

1979-05-04

1981-03-31

Ozaki, G.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 9, 75 23, 75 25, 75 26, 75114, 423153, 423154, C22B 108

Patent

active

042591066

ABSTRACT:
Finely-divided iron ores and concentrates which contain non-ferrous metals are roasted and chlorinated in order to vaporize the non-ferrous metals as metal chloride compounds, whereby the finely-divided raw material is oxidized at an elevated temperature to produce an oxide melt, with which a chlorinating reagent and air are mixed in order to vaporize non-ferrous metal chlorides from the iron oxide melt.

REFERENCES:
patent: 3499754 (1970-03-01), Colombo et al.
patent: 3649245 (1972-03-01), Columbo et al.
patent: 3776533 (1973-12-01), Vlnaty
patent: 4092152 (1978-05-01), Borbely
patent: 4113470 (1978-09-01), Aaltonen et al.

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