Method for improving the extraction properties of a tributyl pho

Chemistry of carbon compounds – Dipeptides – e.g. – aspartame – anserine – carnosine – etc.

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260963, 260978, C07F 911

Patent

active

039432041

ABSTRACT:
A method for improving the extraction properties of a tributyl phosphate extractant used for reprocessing irradiated nuclear reactor fuel (Purex Process) containing degradation products of tributyl phosphate by contacting the extractant with diazomethane in a suitable solvent whereby the degradation products are esterified to triester phosphates which have extraction properties similar to those of tributyl phosphate.

REFERENCES:
patent: 2936318 (1960-05-01), Moore
patent: 3708508 (1973-01-01), Schulz
patent: 3793408 (1974-02-01), Schulz

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