Process for the recovery of copper from its ores

Details Process for the recovery of copper from its ores Process for the recovery of copper from its ores

1980-06-11

1982-04-13

Lewis, Michael L.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 7, 75 21, 75 72, 75113, 75116, 423 23, 423 38, 423 47, C22B 102, C22B 106, C22B 108

Patent

active

043245820

ABSTRACT:
A process for the recovery of copper from its ores by conventional procedures requiring heat in which the source of heat is microwave energy. The microwave energy is used to selectively heat the copper compounds, such as sulfidic and oxidic compounds, in the ore, as respects the gangue, to convert the compounds into other compounds, such as oxides and chlorides, from which copper is more readily recoverable.

REFERENCES:
patent: 3261959 (1966-07-01), Connell et al.
patent: 3955960 (1976-05-01), Gorling
patent: 4076607 (1978-02-01), Zavitsanos et al.
patent: 4123230 (1978-10-01), Kirkbridge
patent: 4148614 (1979-04-01), Kirkbridge
patent: 4152120 (1979-05-01), Zavitsanos
Zavitsanos, P.D., et al.; Coal Desulfurization Using Microwave Energy Report No. EPA-600/7-78-089, U.S. E.P.A., pp. 1-68 (1978).

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