Selective extraction of rhenium from aqueous sulfuric acid solut

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

1983-01-13

1986-07-08

Carter, H. T.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

423 49, 75101BE, C25C 100, C01G 4700

Patent

active

045991537

ABSTRACT:
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.

REFERENCES:
patent: 3751555 (1973-08-01), Peterson
patent: 3952579 (1976-01-01), Morgan
patent: 4000244 (1976-12-01), Mollerstedt et al.
Kertes, "J. of the Chem. Soc.", vol. 5, 1961, pp. 1921-1925.
Marcus et al., "Ion Exchange & Solvent Extraction of Metal Complexes", Wiley-Interscience, N.Y., 1969, pp. 650-660, 706-716.

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