Method and a reagent mixture for removing metal ions from an aqu

Details Method and a reagent mixture for removing metal ions from an aqu Method and a reagent mixture for removing metal ions from an aqu

1978-11-30

1980-10-07

Bernstein, Hiram H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2604299, 2604381, 2604385R, 260439R, 210638, 75101BE, 423 24, 423 49, 423 54, 423100, 423139, 4236585, C07F 108, C07F 1100, C07F 1502, C07F 1504

Patent

active

042267919

ABSTRACT:
A liquid-liquid extraction process is disclosed, in which an aqueous solution, containing metal ions, is contacted with an organic liquid substantially insoluble in water. The organic liquid contains two water-insoluble reagents, viz. a diester of dithiophosphoric acid and an organic phosphate, in a preferred volume ratio of between 1:10 and 2:1. The organic liquid may also contain a diluent for the reagents.

REFERENCES:
patent: 2859094 (1958-11-01), Schmitt
patent: 3378352 (1968-04-01), Hansen
patent: 3966569 (1976-06-01), Reinhardt et al.
Marcus and Kertes, Ion Exch. & Solv. Extrac. at Metal Complexes, 1969, 521-538, 548-551, 650-652, 836-846.

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