.beta.-Diketones and the use thereof as metal extractants

Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge

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423 24, 423139, C25C 112, C01B 300, C01B 5300

Patent

active

041750128

ABSTRACT:
New .beta.-diketones of the structure ##STR1## where R is phenyl or alkyl substituted phenyl, R' is alkyl, alkyl substituted phenyl or chloro substituted phenyl and R" is H or --CN with the provisos that; (1) when R is phenyl, R' is a branched chain alkyl group of at least seven carbon atoms and (2) when R is alkyl substituted phenyl, the number of carbon atoms in the alkyl substituent or substituents is at least 7 and at least one such alkyl substituent is branched chain. Process of recovering copper and nickel from their aqueous solutions by the use of the new .beta.-diketones.

REFERENCES:
patent: 2313621 (1943-03-01), Bruson
patent: 3276863 (1966-10-01), Drobnick
patent: 3428449 (1969-02-01), Swanson
Stary, The Solvent Extraction of Metal Chelates, Pergamon Press, London (1964) pp. 2, 3, 32-34, 51, 54, 60-62, 65-67.

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