Selective extraction of rhenium from aqueous sulfuric acid...

Details Selective extraction of rhenium from aqueous sulfuric acid... Selective extraction of rhenium from aqueous sulfuric acid...

C - Chemistry, Metallurgy

22

B

53/341

C22B 7/00 (2006.01) C01G 47/00 (2006.01) C22B 3/38 (2006.01) C22B 34/00 (2006.01)

Patent

CA 1224047

SELECTIVE EXTRACTION OF RHENIUM FROM AQUEOUS SULFURIC ACID SOLUTIONS Abstract of the Disclosure The present invention relates to the selective extraction of rhenium metal from aqueous sulfuric acid solutions. More particularly, it relates to the selective extraction of rhenium metal from sulfuric acid leach solutions, resulting from the leaching of spent petroleum reforming catalysts, by the use of tertiary phosphine oxide extraction compounds.

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