Process for the separating of rare earths

Details Process for the separating of rare earths Process for the separating of rare earths

1979-02-26

1981-03-10

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Rare earth metal

423DIG14, 75101BE, C01F 1700

Patent

active

042553946

ABSTRACT:
A process is provided for separating, by solvent extraction, metal compounds contained in aqueous solutions. The aqueous solution is contacted with an organic phase containing at least one substituted hydroquinoline. The process of the invention is particularly applicable to the separation of at least one element selected from among the group consisting of the rare earths and yttrium from an aqueous solution containing it.

REFERENCES:
patent: 3637711 (1972-01-01), Budde et al.
patent: 4012362 (1977-03-01), Reiff et al.
patent: 4065455 (1977-12-01), Mattison
patent: 4066652 (1978-01-01), Hartlage
Pyatnitskii et al., "Journal of Anal. Chem., U.S.S.R." vol. 25, 1970, pp. 445-450. (Translation, pp. 381-385, UDC543.70 Cited).
Moeller et al., "Anal. Chemistry", vol. 22, 1950, pp. 1393-1397.
Leveque et al., "Comple rendu Acad. Des Sciences", vol. 273, Series C, pp. 1073-1076, Oct. 1971.

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