Recovery of aluminum from dross using the plasma torch

Details Recovery of aluminum from dross using the plasma torch Recovery of aluminum from dross using the plasma torch

1991-04-16

1992-08-04

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75672, C22B 400

Patent

active

051355655

ABSTRACT:
A process and apparatus for recovering aluminum from a solid dross containing the same comprising: (a) continuously introducing the dross and lime flux into an inert gas DC transferred arc plasma torch furnace, (b) heating the mixture to above the slag melting point to form two immiscible layers, and (c) periodically removing the upper aluminum layer and the lower residual slag layer.

REFERENCES:
patent: 1066833 (1913-07-01), McClenahan
patent: 3586613 (1971-06-01), Stewart
patent: 3851136 (1974-11-01), Venus
patent: 3938988 (1976-02-01), Othmer
patent: 4177060 (1979-12-01), Tylko
patent: 4960460 (1990-10-01), Dube
patent: 4997476 (1991-03-01), Lindsay

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