Method and apparatus for recycling of scrap metal
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United States of America Patent
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Nov 2, 1999
Grant Date -
N/A
app pub date -
May 2, 1996
filing date -
May 2, 1996
priority date (Note) -
Expired
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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.
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