Anode refinement method for high-sulfur content coarse copper
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United States of America Patent
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Jan 24, 2012
Grant Date -
Jun 24, 2010
app pub date -
Dec 20, 2008
filing date -
Dec 20, 2008
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Abstract
produced from reaction of the sulfur with oxygen in the liquid and the oxygen absorbed from the atmosphere, so as to remove more than 90% sulfur in the coarse copper liquid. After the coarse copper liquid is fully led to the anode furnace, operations of low-oxidization and low-reduction, non-oxidization and low-reduction or cancel of reduction-oxidization are conducted according to the sulfur content in the copper liquid. The method can resolve the shortages in the fire-refining process, save working time, notably improve production efficiency and capacity, save energy, and settle the pollution problem of black smoke in the atmosphere.
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