Radiolytic degradation studies on N,N-dihexyloctanamide (DHOA) under PUREX process conditions

Solvent Extraction and Ion Exchange

Volumn 27, Issue 2, 2009, Pages 244-257

  Parikh, K J ^a   Pathak, P N ^a   Misra, S K ^a   Tripathi, S C ^a   Dakshinamoorthy, A ^a   Manchanda, V K ^a  

^a BHABHA ATOMIC RESEARCH CENTRE   (India)

Author keywords

Degradation; DHOA; Extraction; Gas chromatography; TBP

Indexed keywords

AMIDES; CERIUM; CERIUM COMPOUNDS; CESIUM; CHROMATOGRAPHIC ANALYSIS; DEGRADATION; FISSION PRODUCTS; PHASE INTERFACES; PLUTONIUM; RADIOLYSIS; STRIPPING (DYES);

CAPRYLIC ACIDS; DHOA; HIGH MOLECULAR WEIGHTS; IRRADIATED SAMPLES; N-DODECANE; PUREX PROCESS; RADIOLYTIC DEGRADATIONS; STRIPPING SOLUTIONS; TBP;

GAS CHROMATOGRAPHY;

EID: 61649121335     PISSN: 07366299     EISSN: 15322262     Source Type: Journal    
DOI: 10.1080/07366290802672303     Document Type: Article

References (27)

1. Siddall III, T. H. (1961) Effects of structure of N,N-disubstituted amides on their extraction of actinide and zirconium nitrates and of nitric acid. J. Phys. Chem., 64, pp. 1863-1866.
2. Siddall III, T. H. (1961) Application of amides as extractants.
3. Gupta, K. K., Manchanda, V. K., Subramanian, M. S. and Singh, R. K. (2000) N,N-Dihexyl hexanamide: A promising extractant for nuclear fuel reprocessing. Sep. Sci. Tech., 35, pp. 1603-1617.
4. Gupta, K. K., Manchanda, V. K., Sriram, S., Thomas, G., Kulkarni, P. G. and Singh, R. K. (2000) Third phase formation in the extraction of uranyl nitrate by N,N-dialkyl aliphatic amides. Solv. Ext. Ion Exch., 18, pp. 421-439.
5. Manchanda, V. K., Ruikar, P. B., Sriram, S., Nagar, M. S., Pathak, P. N., Gupta, K. K., Singh, R. K., Chitnis, R. R., Dhami, P. S. and Ramanujam, A. (2001) Distribution behavior of U(VI), Pu(IV), Am(III), and Zr(IV) with N,N-dihexyl octanamide under uranium-loading conditions. Nucl. Tech., 134, pp. 231-240.
6. Gupta, K. K., Manchanda, V. K., Subramanian, M. S. and Singh, R. K. (2000) Solvent extraction studies on U(VI), Pu(IV), and fission products using N,N-dihexyloctanamide. Solv. Ext. Ion Exch., 18, pp. 273-292.
7. Ruikar, P. B., Nagar, M. S., Subramanian, M. S., Gupta, K. K., Varadarajan, N. and Singh, R. K. (1995) Extraction behavior of uranium(VI), plutonium(IV) and some fission products with gamma pre-irradiated n-dodecane solutions of N,N'-dihexyl substituted amides. J. Radioanal. Nucl. Chem., 196, pp. 171-178.
8. Pathak, P. N., Veeraraghavan, R., Prabhu, D. R., Mahajan, G. R. and Manchanda, V. K. (1999) Separation studies of uranium and thorium using di-2-ethylhexyl isobutyramide (D2EHIBA). Sep. Sci. Tech., 34, pp. 2601-2614.
9. Pathak, P. N., Veeraraghavan, R., Ruikar, P. B. and Manchanda, V. K. (1999) Solvent extraction studies on Th(IV), Pa(V) and U(VI) from nitric acid medium using Di-2-ethyl hexyl isobutyramide (D2EHIBA). Radiochim Acta, 86, pp. 129-134.
10. Pathak, P. N., Prabhu, D. R. and Manchanda, V. K. (2000) Distribution behavior of U(VI), Th(IV) and Pa(V) from nitric acid medium using linear and branched chain extractants. Solv. Ext. Ion Exch., 18, pp. 821-840.
11. Pathak, P. N., Kumbhare, L. B. and Manchanda, V. K. (2001) Structural effects in N,N-dialkyl amides on their extraction behavior toward uranium and thorium. Solv. Ext. Ion Exch., 19, pp. 105-126.
12. Pathak, P. N., Kumbhare, L. B. and Manchanda, V. K. (2001) Effect of structure of N,N dialkyl amides on the extraction of U(VI) and Th(IV): A thermodynamic study. Radiochim. Acta, 89, pp. 447-452.
13. 233U from irradiated Th. Solv. Ext. Ion Exch., 20, pp. 293-311.
14. Gupta, K. K., Manchanda, V. K., Subramanian, M. S. and Singh, R. K. (1999) Radiochim. Acta; Thermodynamics of extraction of uranium(VI) and plutonium(IV) with some long-chain aliphatic amides. 85, pp. 103-106.
15. Pathak, P. N., Prabhu, D. R., Kanekar, A. S., Ruikar, P. B., Bhattacharyya, A., Mohapatra, P. K. and Manchanda, V. K. (2004) Distribution behavior of U(VI), Th(IV), and fission products with di(2-ethylhexyl) isobutyramide under process conditions. Ind.& Eng. Chem. Res., 43, pp. 4369-4375.
16. Manchanda, V. K. and Pathak, P. N. (2004) Amides and diamides as promising extractants in the back end of the nuclear fuel cycle: An overview. Sep. & Pur. Technol., 35, pp. 85-103.
17. 229Th. Phys. Review, C, 27, pp. 327-334.
18. Sajun, M. S., Ramakrishna, V. V. and Patil, S. K. (1981) The effect of temperature on the extraction of plutonium(IV) from nitric acid by tri-n-butyl phosphate. Thermochim. Acta, 47, pp. 277-286.
19. Mowafy, E. A. (2004) The effect of previous gamma-irradiation on the extraction of U(VI), Th(IV), Zr(IV), Eu(III) and Am(III) by various amides. J. Radioanal. Nucl. Chem., 260, pp. 179-187.
20. Thiollet, G. and Musikas, C. (1989) Synthesis and uses of the amides extractants. Sol. Ext. Ion Exch., 7, pp. 813-827.
21. Mowafy, E. A. (2007) Evaluation of selectivity and radiolysis behavior of some promising isonicotinamids and dipicolinamides as extractants. Radiochim. Acta, 95, pp. 539-545.
22. Dagnac, T., Guillot, J. and Cloirec, P. L. (1996) A methodical approach to N,N-dialkylamide thermal degradation at low temperatures. J. Anal. Appl. Pyrol., 37, pp. 33-47.
23. Kulkarni, P. G., Gupta, K. K., Gurba, P. B., Janardan, P., Changrani, R. D., Dey, P. K. and Manchanda, V. K. (2006) Solvent extraction behavior of some fission product elements with N,N-dihexyl octanamide and tri-n-butyl phosphate under simulated PUREX process conditions. Radiochim. Acta, 94, pp. 325-329.
24. 3 by gas liquid chromatography. I. Formation of diluent degradation products and their role in Pu retention behavior. Sep. Sci. Technol., 36, pp. 1463-1478.
25. 3 system. Sep. Sci. Technol., 38, pp. 2307-2326.
26. Venkatesan, K. A., Robertselvan, B., Antony, M. P., Srinivasan, T. G. and Vasudeva Rao, P. R. (2006) Physiochemical and plutonium retention properties of hydrolytic and radiolytically degraded tri-n-amylphosphate. Sol. Ext. Ion Exch., 24, pp. 747-763.
27. Tripathi, S. C., Ramanujam, A., Nadkarni, M. N. and Bandopadhayay, C. (1986) Thin-layer chromatographic separation and determination of dibutylphosphoric acid in a mixture of monobutylphosphoric acid and tributyl phosphate. The Analyst, 111, pp. 239-240.