Process for the processing of slag from aluminium scrap and wast

Details Process for the processing of slag from aluminium scrap and wast Process for the processing of slag from aluminium scrap and wast

1990-01-16

1991-05-07

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

75672, 423497, C22B 704

Patent

active

050133560

ABSTRACT:
The present invention relates to a process and a plant for the processing of saline slag from the melting of aluminium scrap and waste with a saline flux in which the salts constituting the flux are recovered and other components of the slag are separated. The harmful or toxic gases developed during this processing are subjected to combustion to produce flue gases dispersible in the atmosphere with recovery of combustion heat, preferably used over in processing the slag.

REFERENCES:
patent: 4050999 (1977-09-01), Johnson
patent: 4252776 (1981-02-01), Huckabay et al.
patent: 4368070 (1983-01-01), Fracchia
patent: 4732606 (1988-03-01), Kobele et al.

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