Extractive recovery of trivalent thallium values from aqueous so

Details Extractive recovery of trivalent thallium values from aqueous so Extractive recovery of trivalent thallium values from aqueous so

1978-04-14

1979-08-28

Sneed, Helen M. S.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

15101R, 260429R, 4236585, B01D 1100, C01G 1500, C22B 6100, C01F 500

Patent

active

041660978

ABSTRACT:
Trivalent thallium values are extractively recovered from aqueous media containing dissolved trivalent and monovalent thallium values by treating the aqueous medium with an extractant comprising a carboxylic acid medium having limited solubility in water to preferentially extract at least a portion of the dissolved trivalent thallium values into the carboxylic acid extractant medium and recovering a carboxylic acid extract containing the extracted trivalent thallium values as a separate phase.

REFERENCES:
patent: 3399956 (1968-09-01), Hirose et al.
patent: 3594395 (1971-07-01), Taylor et al.
patent: 3641077 (1972-02-01), Rockow
patent: 4139594 (1979-02-01), Rizkalla
Chemical Abstracts, 70, 100215n (1969).
Chemical Abstracts, 76, 37921w (1972).
Chemical Abstracts, 78, 48632v (1973).
Schweitzer et al., Anal. Chim. Acta 45, 192-195 (1969).
Chemical Abstracts, 84, 124786q (1976).
Chemical Abstracts, 57, 13525h (1962).
Chemical Abstracts, 65, 6298z (1966).

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