Separation of tungsten from rhenium

Details Separation of tungsten from rhenium Separation of tungsten from rhenium

1985-05-28

1986-07-08

Carter, H. T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group viib metal

423 50, 423 51, 423 52, 423 55, C01G 4100, C01G 4700

Patent

active

045992231

ABSTRACT:
A process is disclosed for separating tungsten from a solution containing tungstate and perrhenate ions. The process involves reacting a sufficient amount of hydrochloric acid with the solution at a sufficient temperature to form a solid containing essentially all of the tungsten and a liquor containing essentially all of the rhenium, and separating the solid from the liquor.

REFERENCES:
patent: 3733388 (1973-05-01), Ziegler et al.
patent: 4278641 (1981-07-01), Petrov et al.
patent: 4521381 (1985-06-01), Douglas et al.
Lazarev, "Nuclear Science Absts.", vol. 14, #19, Oct. 15, 1960, #19043.

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