Process for recovering yttrium and lanthanides from wet-process

Details Process for recovering yttrium and lanthanides from wet-process Process for recovering yttrium and lanthanides from wet-process

1981-04-24

1983-06-28

Vertiz, O. R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 211, 423 215, 423321R, B01D 1100, C01F 1700, C22B 5900, C01B 2516

Patent

active

043905072

ABSTRACT:
Process for recovering yttrium and lanthanides from wet-process phosphoric acid by adding a flocculant to the phosphoric acid, separating out the resultant precipitate and then recovering yttrium and lanthanides from the precipitate. Uranium is recovered from the remaining phosphoric acid.

REFERENCES:
patent: 2968528 (1961-01-01), Tuttle et al.
patent: 3647361 (1972-03-01), Coltrinari et al.
patent: 3937783 (1976-02-01), Wamser et al.
patent: 3965238 (1976-06-01), Tabata et al.

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