Chemical behavior of degradation products of tributylphosphate in purex reprocessing
Conference
·
OSTI ID:126728
- Power Reactor and Nuclear Fuel Development Corp., Ibaraki (Japan); and others
Chemical behavior of butyl nitrate/butyl alcohol, degradation products from dealkylation of tri-n-butylphosphate(TBP) in PUREX reprocessing, which has not so far been reported, was investigated. No accumulation of those compounds in the organic phase of TBP(30%)-dodecane was observed in any separation cycle of PUREX despite the fact that the apparent distribution of the compounds lies to the organic phase at their high concentrations. The distribution of butyl nitrate/butyl alcohol between organic/aqueous phases is found to be dependent on their concentrations and on nitric acid concentration, which could explain the above phenomena. Only butyl nitrate of the above two compounds was slightly detected in the organic streams. It is probable from this investigation that butyl nitrate is removed into aqueous waste stream primarily through alkali scrubber.
- OSTI ID:
- 126728
- Report Number(s):
- CONF-950402--
- Country of Publication:
- United States
- Language:
- English
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