Pyrometallurgical method
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United States of America Patent
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Feb 25, 2014
Grant Date -
Jun 13, 2013
app pub date -
Jul 6, 2011
filing date -
Jul 15, 2010
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Abstract
A method for the pyrometallurgical processing of sulphide material containing nickel using a fluxing composition that includes calcium. The fluxing composition forms a slag having an Fe/CaO ratio of between about 0.5 and 5.0 by weight and an SiO2/Fe ratio of less than 0.2 by weight.
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