Selective removal of magnesium in the consumption of aluminum us

Details Selective removal of magnesium in the consumption of aluminum us Selective removal of magnesium in the consumption of aluminum us

1982-12-29

1984-02-07

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 68R, C22B 2106

Patent

active

044301197

ABSTRACT:
The magnesium content in used aluminum scrap is reduced by preheating the scrap to a temperature sufficiently high to promote migration of the magnesium to the surface of the scrap. Thereafter, the magnesium is removed by oxidation.

REFERENCES:
patent: 2174926 (1939-10-01), Messner
patent: 4016003 (1977-04-01), Stauffer
patent: 4097270 (1978-06-01), Rao et al.
patent: 4235646 (1980-11-01), Neufeld et al.
patent: 4269632 (1981-05-01), Robertson et al.

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