Inhibition of the depletion of metal values from pregnant lixiviant solutions
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United States of America Patent
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Jan 2, 2007
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N/A
app pub date -
Apr 17, 2003
filing date -
Jun 5, 2002
priority date (Note) -
Expired
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Abstract
Methods for inhibiting depletion of mineral values from pregnant lixiviant solutions comprise contacting the requisite metal ore with a preg-robbing inhibition agent (PRIA) comprising (I) alkyl polyglucoside surfactants; (II) imidazoline based amphoteric surfactants; (III) hydroformylation products of lower (C.sub.2 C.sub.8) alkanes in an organic solvent medium, and (IV) esters and aldehydes.
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