Counter-current extraction studies for the recovery of neptunium by the Purex process. Part II
Technical Report
·
OSTI ID:4947518
Counter-extraction experiments were carried out under the conditions relevant to the partitioning column (IBX) in the purex process to know the path of neptunium present as Np (VI) the organic phase during the partitioning step. The results obtained show that when ferrous sulphamates is used as the reducing agent, most of the neptunium continues to remain with uranium in the organic stream while with hydrazine stabilized uranous nitrate as the reducing agent, a major fraction of neptunium follows the aqueous stream. Mixer-settler experiments were also carried out under the conditions relevant to the uranium purification cycle (2D) to establish the conditions for forcing neptunium to the aqueous raffinate or for partitioning it from uranium if both neptunium and uranium are co-extracted in this cycle and the results obtained are reported here. (auth)
- Research Organization:
- Bhabha Atomic Research Centre, Bombay (India)
- Sponsoring Organization:
- Sponsor not identified
- NSA Number:
- NSA-31-008334
- OSTI ID:
- 4947518
- Report Number(s):
- BARC--735
- Country of Publication:
- India
- Language:
- English
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