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Counter-current extraction studies for the recovery of neptunium by the Purex process. Part II

Abstract

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)
Publication Date:
Jul 01, 1974
Product Type:
Technical Report
Report Number:
BARC-735
Reference Number:
NSA-31-008334
Subject:
N40450* -Chemistry-Radiochemistry & Nuclear Chemistry- Reactor Fuel Processing; N79300 -Reactors-Reactor Fuels; NEPTUNIUM; SOLVENT EXTRACTION; SPENT FUELS; REPROCESSING; URANIUM; COUNTER CURRENT; IRON COMPOUNDS; NEPTUNIUM COMPLEXES; NEPTUNIUM 237; PUREX PROCESS; URANIUM COMPLEXES; URANIUM NITRATES
Sponsoring Organizations:
Sponsor not identified
OSTI ID:
4947518
Research Organizations:
Bhabha Atomic Research Centre, Bombay (India)
Country of Origin:
India
Language:
English
Submitting Site:
TIC
Size:
Pages: 37
Announcement Date:
Mar 16, 2013

Citation Formats

Srinivasan, N., Nadkarni, M. N., Kumar, S. V., Kartha, P. K.S., Sonavane, R. R., Ramaniah, M. V., and Patil, S. K. Counter-current extraction studies for the recovery of neptunium by the Purex process. Part II. India: N. p., 1974. Web.
Srinivasan, N., Nadkarni, M. N., Kumar, S. V., Kartha, P. K.S., Sonavane, R. R., Ramaniah, M. V., & Patil, S. K. Counter-current extraction studies for the recovery of neptunium by the Purex process. Part II. India.
Srinivasan, N., Nadkarni, M. N., Kumar, S. V., Kartha, P. K.S., Sonavane, R. R., Ramaniah, M. V., and Patil, S. K. 1974. "Counter-current extraction studies for the recovery of neptunium by the Purex process. Part II." India.
@misc{etde_4947518,
title = {Counter-current extraction studies for the recovery of neptunium by the Purex process. Part II}
author = {Srinivasan, N., Nadkarni, M. N., Kumar, S. V., Kartha, P. K.S., Sonavane, R. R., Ramaniah, M. V., and Patil, S. K.}
abstractNote = {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)}
place = {India}
year = {1974}
month = {Jul}
}