Selective reduction of nickel ore with a low nickel content

Details Selective reduction of nickel ore with a low nickel content Selective reduction of nickel ore with a low nickel content

1977-03-07

1978-02-14

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 10R, 75 4, 75 21, 75 82, C21C 552

Patent

active

040736415

ABSTRACT:
An extraction process for nickel, easily reducible as an alloy or in pure state, starting from an ore which contains nickel in a small amount simultaneously with large quantities of other less reducible metals, the extraction being achieved by heating the ore and a reducing mass to a high temperature, the reducing mass being provided by a quantity of the reducer, calculated so as to reduce the totality of the nickel, the cobalt present if any, and a small part of another reducible constituent such as iron present in the ore, being dispersed, or dissolved, in a quantity of matter wherein the volume of the reducer is present in a charge of the reducible substance in a ratio of about 1:3.

REFERENCES:
patent: 3307927 (1967-03-01), Muschenborn
patent: 3503734 (1970-03-01), Bell

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