Neptunium control in an advanced Purex process

Nuclear Energy

Volumn 36, Issue 1, 1997, Pages 39-46

  Taylor, R J ^a   Denniss, I S ^a   Wallwork, A L ^a  

^a SELLAFIELD LTD   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

COMPLEXATION; DECONTAMINATION; NUCLEAR FUEL REPROCESSING; ORGANIC COMPOUNDS; PURIFICATION; REDUCTION; SOLVENT EXTRACTION; URANIUM;

ADVANCED PUREX PROCESS; OXIDATION STATE; RAFFINATE;

NEPTUNIUM;

EID: 0031071404     PISSN: 01404067     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (20)

1. DENNISS I. S. and PHILLIPS C. (SEKINET. (ed.)) The development of a three-cycle chemical flowsheet to reprocess oxide nuclear fuel. Solvent Extraction 1990, Elsevier, 1990, 747-752.
2. BARON P., BOULLIS B., GERMAIN M., GUÉ J. P., MIQUEL P., PONCELET F. J., DORMANT J. M. and DUTERTRE F. Extraction cycles design for La Hague plants. Proceedings GLOBAL '93, Seattle, 1993, 63-70.
3. DRAKE V. A. Extraction chemistry of neptunium. Science and technology of tributyl phosphate, Vol. III. Applications of tributyl phosphate in nuclear fuel reprocessing, Schultz W. W., Burger L. L., Navratil J. D. and Bender K. P. (eds). CRC Press Inc, Florida, 1990, 123-145.
4. KOLTUNOV V. S. The kinetics of the actinide reactions. Atomizdat, Moscow. 1974.
5. GEL'MAN A. D., MEFOD'EVA M. P., PIKAEV A.K. and GLAZUNOV P. YA. Radiolysis of aqueous solutions of tetra- and hexavalent neptunium. Proceedings of the Second All-Union Conference on Radiation Chemistry. Academy of Sciences of the USSR, Moscow, 1962. translated from the Russian, Israel Program for Scientific translations, Jerusalem, 1964, 171-174.
6. KOLARIK Z. and DRESSLER P. Purex process related distribution data on neptunium (IV, VI). KfK 4667, Karlsruhe, 1990.
7. KOLARIK Z. and SCHULER R. Separation of neptunium from uranium and plutonium in the Purex process. Extraction '84, Proceedings of the symposium on liquid-liquid extraction science. Institute of Chemical Engineers Symposium series, 1984, 88, 83-90.
8. UCHIYAMA G., FUJINE S., HOTOKU S. and MAEDA M. New separation process for neptunium, plutonium and uranium using butyraldehydes as reductants in reprocessing. Nuclear Technology, 1993, 102, 341-351.
9. MILES J. H. Future trends in nuclear fuel reprocessing. The Nuclear Engineer, 1993, 34, 27-30.
10. McKAY H. A. C., SOWERBY M. G., BUSTRAAN M., MONTIZAAN J., VAN DALEN A. and VERKERK B. The separation and recycling of actinides. A review of the state of the art. Commission of the European Communities Report, EUR, Brussels, 1977.
11. 3 solution in the presence of glyoxal. Translated from Radiokhimiya, 1980, 22, 827-832.
12. KOLTUNOV V. S., FROLOV K. M. and TIKHONOV M. F. Interaction of actinides with vanadium ions. V. Kinetics of oxidation of Np(IV) by pentavalent vanadium. Translated from Radiokhimiya, 1981, 23, 95-102.
13. MAEDA M., FUJINE S., UCHIYAMA G., KIHARA T., ASAKURA T. and TSUJINO T. A process conception of an advanced reprocessing based on purex process incorporating the partition function. Proceedings GLOBAL '95, Versailles, 1995, 556-563.
14. KOLTUNOV V. S. and BARANOV S. M. Organic derivatives of hydrazine and hydroxylamine in future technology of spent nuclear fuel reprocessing. Proceedings GLOBAL '95, Versailles, 1995, 577-584.
15. SCHMEIDER H. and PETRICH G. IMPUREX: a concept for an Improved PUREX process. Radiochimica Acta, 1989, 48, 181-192.
16. UCHIYAMA G., HOTOKU S., KIHARA T., FUJINE S. and MAEDA M. Study on the selective reduction of neptunium(VI) by an electrochemical method in the Purex process. Proceedings ISEC '93, Elsevier, 1993, 1797-1804.
17. TOTH L. M. and FRIEDMAN H. A. The photochemistry of neptunium in aqueous nitric acid solution. Radiochimica Acta, 1980, 27, 173-176.
18. 3 solutions. J. Inorganic and Nuclear Chemistry, 1981, 43, 1611-1613.
19. FRIEDMAN H. A. and TOTH L. M. Absorption spectra of Np(III), (IV), (V) and (VI) in nitric acid solution. J Inorganic and Nuclear Chemistry, 1980, 42, 1347-1349.
20. DRAKE V. A. Predicting the behavour of neptunium during nuclear fuel reprocessing. Nuclear Energy, 1987, 26, 253-258.