Recovering non-volatile metals from dust containing metal oxides

Details Recovering non-volatile metals from dust containing metal oxides Recovering non-volatile metals from dust containing metal oxides

1980-10-24

1982-01-12

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 11, C21C 552

Patent

active

043103502

ABSTRACT:
A method of recovering non-volatile metals from materials in dust form containing metal oxides, comprising the steps of blowing the material into the lower portion of a reactor, said reactor containing a solid reducing agent, passing said starting material into a reduction zone within said lower portion, said reduction zone being maintained by the use of a plasma generator adjacent thereto, substantially instantaneously reducing and melting said starting material in sad reduction zone, and removing the melted and reduced metal product from the bottom of the reactor.

REFERENCES:
patent: 3429691 (1969-02-01), McLaughlin
patent: 3834895 (1974-09-01), Cachat
patent: 3862834 (1975-01-01), Waclawiczek

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