Method for continuous reduction of molten metallurical slag in a

Details Method for continuous reduction of molten metallurical slag in a Method for continuous reduction of molten metallurical slag in a

1987-04-03

1988-04-12

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 24, C21B 400

Patent

active

047371862

ABSTRACT:
A method for the continuous recovery of non-iron metals from a molten metallurgical slag containing lead, copper or nickel by continuously reducing the layer with carbon dust. The metal layer produced at the furnace bottom is maintained sufficiently thin so that it is between 0 and 20 mm thick. Injection of carbon dust into the metal layer is avoided.

REFERENCES:
patent: 3579328 (1971-05-01), Aas
patent: 3585024 (1971-06-01), Cenerazzo
patent: 4032327 (1977-06-01), Donaldson
patent: 4110107 (1978-08-01), Paulson

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