Process for separating molybdenum values from tungsten values

Details Process for separating molybdenum values from tungsten values Process for separating molybdenum values from tungsten values

1979-12-18

1981-03-10

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vib metal

75101BE, 423DIG14, 423139, 423 215, C01G 3900, C01G 4100

Patent

active

042553962

ABSTRACT:
The efficiency of an extraction process using a dialkyl phosphoric acid as an active extractant for separating extractable soluble metallic values from an aqueous solution is improved by the presence of a sufficient amount of a dialkyl naphthalene sulphonic acid as a modifier for the extractant.

REFERENCES:
patent: 3576595 (1971-04-01), Chiola et al.
patent: 3607007 (1971-09-01), Chiola et al.
patent: 3607008 (1971-09-01), Chiola et al.
patent: 3751555 (1973-08-01), Peterson
patent: 3969478 (1976-07-01), Zelikman et al.
patent: 4018865 (1977-04-01), Gallacher
Fleischka et al., "Chelates in Analytical Chemistry", vol. 1, Marcel Dekker, Inc., N.Y., 1967, pp. 332-346.
van Dalen et al., "Proceedings of the International Solvent Extraction Conference", vol. II, Soc. of Chemical Industry, London, 1971, pp. 1096-1100.

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