Method and apparatus for recycling of scrap metal

Details Method and apparatus for recycling of scrap metal Method and apparatus for recycling of scrap metal

1996-05-02

1999-11-02

Kastler, Scott

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

266170, 266171, C21B 1500

Patent

active

059762195

ABSTRACT:
A process for the recycling of scrap metal, such as copper wire, comprises the steps of combining the scrap metal with a concentrate of a metal similar to the scrap metal in a pressure vessel (10) and subjecting the metal concentrate to pressure oxidation along with the scrap metal. In one example the scrap metal comprises copper wire and the metal concentrate comprises a copper matte. An apparatus (16) for feeding the scrap metal to the autoclave (10), without interrupting the operation of the autoclave (10) is also provided.

REFERENCES:
patent: 3967958 (1976-07-01), Coffield et al.
patent: 4606763 (1986-08-01), Weir
patent: 5082251 (1992-01-01), Whipp
patent: 5346532 (1994-09-01), Sinclair et al.
patent: 5554206 (1996-09-01), Czermak et al.
P. 358 of text-book entitled "Introduction to Inorganic Chemistry" by G.I. Brown, BA, BSc, Assistant Master, Eton College; published by Longman Group Ltd., London, Dec. 1974.

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