Partitioning of uranium and plutonium by acetohydroxamic acid

A process has been developed for separation of plutonium from uranium in the partitioning cycle of reprocessing of fast reactor fuel using a new salt free reagent acetohydroxamic acid (AHA). Acetohydroxamic acid is used as a partitioning agent based on its novel behaviour of reductant/complexant. AH...

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Bibliographic Details
Published in:Desalination 2008-11, Vol.232 (1), p.166-171
Main Authors: Govindan, P., Sukumar, S., Subba Rao, R.V.
Format: Article
Language:English
Subjects:
Acetohydroxamic acid
Applied sciences
Chemical engineering
Complexation
Exact sciences and technology
Partitioning
Plutonium–acetohydroxamate complex
Pollution
Reactors
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Summary:A process has been developed for separation of plutonium from uranium in the partitioning cycle of reprocessing of fast reactor fuel using a new salt free reagent acetohydroxamic acid (AHA). Acetohydroxamic acid is used as a partitioning agent based on its novel behaviour of reductant/complexant. AHA selectively forms a complex with plutonium than uranium which facilitates stripping of plutonium to the aqueous phase leaving uranium in the organic phase. The effect of plutonium and uranium concentration on feed organics and a number of contacts are investigated in order to maximize the separation factor. It is found from the data that almost 99% of plutonium is stripped into the aqueous phase leaving >93% of uranium in the organic phase itself by just giving three contacts.
ISSN:0011-9164
1873-4464
DOI:10.1016/j.desal.2007.12.014