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Neptunium (V) oxidation by nitrous acid in nitric acid

Research output: Contribution to journalJournal article

Published
  • Colin Gregson
  • Colin Boxall
  • Michael Carrott
  • Scott Edwards
  • Mark Sarsfield
  • Robin Taylor
  • David Woodhead
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<mark>Journal publication date</mark>2012
<mark>Journal</mark>Procedia Chemistry
Volume7
Number of pages6
Pages (from-to)398-403
<mark>State</mark>Published
<mark>Original language</mark>English
EventInternational Conference on Nuclear Chemistry for Sustainable Fuel Cycles (ATALANTE) - Montpellier, France

Conference

ConferenceInternational Conference on Nuclear Chemistry for Sustainable Fuel Cycles (ATALANTE)
CountryFrance
CityMontpellier
Period3/09/127/09/12

Abstract

To support the development of an Advanced PUREX process that fully recovers neptunium with uranium and plutonium for recycle, an enhanced understanding of neptunium behaviour in nitric acid and tributyl phosphate phases is essential. The most important reaction affecting neptunium extraction in the PUREX process is the oxidation of Np(V) by nitric acid. This paper reports new data on Np(V) oxidation in nitric acid under conditions relevant to the development of a flowsheet for the primary extraction / scrub contactor in an Advanced PUREX process.