Metal recovery method

Details Metal recovery method Metal recovery method

1974-12-12

1976-10-05

Lake, Roy

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

By separating metal in a molten mass from undesired...

266901, 75 44S, F27B 706

Patent

active

039840905

ABSTRACT:
A non-ferrous metal is recovered from a batch of scrap material by combustion of a fuel to generate heat and transmittal of said heat to the material by convection flow. The flow rate of fuel is regulated to obtain and maintain an optimum temperature below the melting point of the metal causing decomposition of non-metallics in the batch of scrap material within a non-oxidizing atmosphere.

REFERENCES:
patent: 81164 (1868-08-01), Harmon et al.
patent: 850726 (1907-04-01), Bills
patent: 965580 (1910-07-01), Higgins
patent: 1669485 (1928-05-01), Nordling et al.
patent: 1722372 (1929-07-01), Hallam
patent: 3116545 (1964-01-01), Brown

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