Solvent extraction of nickel using hydroxamic acids
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United States of America Patent
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Dec 4, 1990
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N/A
app pub date -
Oct 16, 1989
filing date -
Dec 27, 1983
priority date (Note) -
Expired
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Abstract
Nickel and cobalt are reversibly extracted from nickel and cobalt bearing aqueous solutions using solvent extraction techniques by contacting the aqueous solution with a hydrocarbon solvent containing a N-alkylalkanohydroxamic acid having at least about 8 carbon atoms.
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