Recovery of rhenium

Details Recovery of rhenium Recovery of rhenium

1984-11-07

1985-06-04

Carter, H. T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group viib metal

423 53, 423 54, 75101BE, C01G 4700

Patent

active

045213810

ABSTRACT:
In a process is disclosed for recovering rhenium from tungsten and rhenium bearing material by oxidizing and fusing the starting material, solubilizing the tungsten and rhenium values, passing the resulting solution through a strongly basic anion exchange resin to retain the rhenium, removing the rhenium from the resin with an organic stripping liquid of tributylphosphate and hydrochloric acid, washing the remaining rhenium off the resin with water, combining the water and organic to form a two phase system in which the organic phase contains the major portion of the rhenium, and contacting with aqueous ammonia to strip values.

REFERENCES:
patent: 2187750 (1940-01-01), Maruin
patent: 2945743 (1960-07-01), Zimmerley et al.
patent: 3672874 (1972-06-01), Wiley
patent: 3932579 (1976-01-01), Morgan
patent: 4278641 (1981-07-01), Petrov et al.

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