Process for separating and recovering aluminum and steel from bi

Details Process for separating and recovering aluminum and steel from bi Process for separating and recovering aluminum and steel from bi

1978-12-11

1980-05-20

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 44S, 75 63, C22B 2100

Patent

active

042037620

ABSTRACT:
A process for separating and recovering aluminum lining from a ferrous backing strip without incurring appreciable formation of contaminating iron-aluminum intermetallic compounds by subjecting bimetallic scrap to intense radiant heat to effect rapid heating thereof through the critical temperature range of about 842.degree. F. to above the melting point of the aluminum component and removing the liquid aluminum as it melts.

REFERENCES:
patent: 902581 (1908-11-01), Higgins
patent: 1938239 (1933-12-01), White
patent: 2154673 (1939-04-01), Fleck et al.
patent: 2704249 (1955-03-01), Mushovic
patent: 3501292 (1970-03-01), Hart
patent: 3539163 (1970-11-01), Mitchell
patent: 3556500 (1971-01-01), Fritz

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