Method of purifying neutral organophosphorus extractants

Details Method of purifying neutral organophosphorus extractants Method of purifying neutral organophosphorus extractants

1986-10-06

1988-05-03

Thexton, Matthew A.

Compositions

Absorptive, or bindive, and chemically yieldive

252364, 252631, 558150, C09K 300, C07F 908, C07F 909, C07F 953

Patent

active

047418575

ABSTRACT:
A method for removing acidic contaminants from neutral mono and bifunctional organophosphorous extractants by contacting the extractant with a macroporous cation exchange resin in the H.sup.+ state followed by contact with a macroporous anion exchange resin in the OH.sup.- state, whereupon the resins take up the acidic contaminants from the extractant, purifying the extractant and improving its extraction capability.

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patent: 4574072 (1986-03-01), Horwitz et al.
Solvent Extraction and Ion Exchange, 4(4), pp. 677-723 (1986), Renato Chiarizia and E. Philip Horwitz, "Hydrolytic and Radiolytic Degradation of Octyl(Phenyl)-N,N-Diisobutylcarbamoylmethylphosphine Oxide and Related Compounds".

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