Process for exploitation of low grade oxidic and iron-bearing co

Details Process for exploitation of low grade oxidic and iron-bearing co Process for exploitation of low grade oxidic and iron-bearing co

1986-05-27

1988-04-26

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 40, 75 82, 75 84, C22B 2300, C22B 3422, C21B 1106

Patent

active

047402393

ABSTRACT:
A process for the exploitation of low-grade oxidic and iron-bearing complex ores or concentrates, whereby the initial materials are reduced in a rotary kiln at a temperature of 1000.degree.-1500.degree. C. in such a manner that the products are a magnetic fraction primarily consisting of iron, and a non-magnetic oxide fraction, the materials present in this fraction being further exploitable by conventional methods.

REFERENCES:
patent: 2026683 (1936-01-01), Johannsen
patent: 2805930 (1957-09-01), Udy
patent: 2986459 (1961-05-01), Udy

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