Device and method for the processing of non-ferrous metals
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United States of America Patent
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Nov 27, 2012
Grant Date -
Feb 18, 2010
app pub date -
Oct 13, 2007
filing date -
Nov 30, 2006
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Expired
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Abstract
In a device and a method for the processing of non-ferrous metals for simple and economic reduction of the concentration of impurity elements and/or impurity compounds contained in the non-ferrous metal, it is provided to gas the non-ferrous metal in a processing column with at least one gas at a low pressure, causing the impurity elements and/or impurity compounds to evaporate.
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