Extraction process for recovery of rhenium

Details Extraction process for recovery of rhenium Extraction process for recovery of rhenium

1976-08-09

1977-09-20

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group viib metal

423 54, 75101BE, C01G 4700

Patent

active

040497712

ABSTRACT:
A process is disclosed wherein essentially all of the rhenium can be removed from an aqueous solution of molybdenum without the extraction of molybdenum using a particular solvent extraction solution. The extraction solution consists essentially of a quaternary ammonium compound and at least about 50% by volume of a highly aromatic solvent which dissolves a quaternary ammonium-rhenium complex to the extent of at least 0.1% by volume.

REFERENCES:
patent: 3244475 (1966-04-01), Churchward
patent: 3495934 (1970-02-01), Ziegenbalg et al.
patent: 3558268 (1971-01-01), Prater et al.
patent: 3739057 (1973-06-01), Daugherty et al.
patent: 3798305 (1974-03-01), Pagnozzi et al.
patent: 3855385 (1974-12-01), Derosset et al.
patent: 3856915 (1974-12-01), Pagnozzi et al.

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