Chromium removal from leach liquors produced during high pressure acid leaching of lateritic ores
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United States of America Patent
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Jan 15, 2008
Grant Date -
Jun 2, 2005
app pub date -
Dec 16, 2002
filing date -
Dec 21, 2001
priority date (Note) -
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Abstract
A method is provided for the removal of chromium from leach liquors produced during high pressure leaching of laterite ores in an autoclave, by addition to the autoclave of carbon in a quantity of about 0.5%-1% by weight with reference to the total dry feed.
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