Process for recovering scandium from waste material

Details Process for recovering scandium from waste material Process for recovering scandium from waste material

1987-04-30

1988-06-14

Doll, John

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Rare earth metal

75101R, C22B 300

Patent

active

047510617

ABSTRACT:
A process is disclosed for recovering scandium from impure scandium bearing material. The process involves contacting a solution of scandium which contains impurities, with a solvent impregnated resin consisting essentially of a solid polymeric medium in which is dispersed a liquid alkyl phosphoric acid as a cation extracting agent to extract essentially all of the scandium by the extracting agent without extracting appreciable amounts of impurities, and removing the scandium from the resin.

REFERENCES:
patent: 4051230 (1977-09-01), Miyauchi
patent: 4279791 (1981-07-01), Speakman
patent: 4624703 (1986-11-01), Vanderpool et al.
patent: 4631177 (1986-12-01), Yotsuyanagi et al.

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