Influence of Phase Modifiers on the Degradation of Tri-n-octylamine/dodecane Extracting Mixture by an Acidic Solution of Vanadium (V)

Solvent Extraction and Ion Exchange

Volumn 30, Issue 1, 2012, Pages 67-76

  Chagnes, Alexandre ^a   Courtaud, Bruno ^b   Thiry, Jacques ^b   Bayardon, Jérôme ^c   Jugé, Sylvain ^c   Cote, Gérard ^a  

^a PSL RESEARCH UNIVERSITY   (France)

^b AREVA NP   (France)

^c UNIVERSITÉ DE BOURGOGNE   (France)

Author keywords

degradation; dioctylamine; long chain alcohols; molecular oxygen; oxidation; Trioctylamine; uranium; vanadium

Indexed keywords

ACIDIC SOLUTIONS; ALCOHOLIC PHASE; CHEMICAL DEGRADATION; DIOCTYLAMINE; EXTRACTANTS; EXTRACTION SOLVENTS; FLUORINE ATOMS; KINETIC CONSTANT; KINETICS OF DEGRADATION; LONG CHAIN ALCOHOLS; N-DODECANE; PHASE MODIFIERS; SECONDARY ALCOHOLS; SULFATE SOLUTIONS; TERTIARY ALCOHOLS; TRI-N-OCTYLAMINE; TRIOCTYLAMINES;

FLUORINE; KINETICS; MOLECULAR OXYGEN; OXIDATION; SOLVENT EXTRACTION; URANIUM; VANADIUM;

DEGRADATION;

EID: 84856084768     PISSN: 07366299     EISSN: 15322262     Source Type: Journal    
DOI: 10.1080/07366299.2011.566524     Document Type: Article

References (14)

1. Chagnes, A., Cote, G., Courtaud, B. and Thiry, J. Role of Vanadium(V) on the Ageing of the Organic Phase in the Extraction of Uranium(VI) by Alamine®336 from Acidic Sulfate Leach Liquors. Solvent Extraction: Fundamentals to Industrial Applications, Proceedings of ISEC 2008 International Solvent Extraction Conference, Tucson. Sept15-19, AZ, United States. Vol. 1, pp.275-280. Canadian Institute of Mining, Metallurgy and Petroleum, Montreal, Quebec.
2. Chagnes, A., Fossé, C., Courtaud, B., Thiry, J. and Cote, G. 2011. Chemical degradation of tri-n-octylamine and 1-tridecanol phase modifier in acidic sulfate media in the presence of vanadium (V). Hydrometallurgy, 105(3-4): 328-333.
3. Chagnes, A., Rager, M.-N., Courtaud, B., Thiry, J. and Cote, G. 2010. Speciation of vanadium (V) extracted from acidic sulfate media by tri-n-octylamine in n-dodecane modified with 1-tridecanol. Hydrometallurgy, 104(1): 20-24.
4. Collet, S., Chagnes, A., Courtaud, B., Thiry, J. and Cote, G. 2009. Solvent extraction of uranium from acidic sulfate media by Alamine®336: Computer simulation and optimization of the flowsheets. J. Chem. Technol. Biotechnol., 84: 1331-1337.
5. Chagnes, A., Courtaud, B., Thiry, J. and Cote, G. 2009. Computer simulation of flow sheets for the solvent extraction of uranium: A new route to delay the effect of the chemical degradation of the organic phase on uranium recovery from acidic sulfate media. J. Chem. Technol. Biotechnol., 84: 1899-1907.
6. Marcus, Y. and Kertes, A.S. 1969. Ion Exchange and Solvent Extraction of Metal Complexes, 715New York: Wiley Interscience.
7. Osseo-Asare, K. Third phase formation in solvent extraction: A microemulsion model. Metal Separation Technologies Beyond 2000: Integrating Novel Chemistry with Processing. Edited by: Liddel, K.C. and Chaiko, D.J. Warrendale, PA, USA: The Mineral, Metals, and Materials Society.
8. Fatima, M., Guedes, Da, Silva, C., Armando, L., Da Silva, J., Fausto, Da, Silva, J.J.R., Pombeiro, A.J.L., Amatore, C. and Verpeaux, J.-N. 1996. Evidence for a Michaelis-Menten type mechanism in the electrocatalytic oxidation of mercaptopropionic acid by an Amavadine Model. J. Am. Chem. Soc., 118: 7568-7573.
9. Velusamy, S. and Punniyamurthy, T. 2004. Novel vanadium-catalyzed oxidation of alcohols to aldehydes and ketones under atmospheric oxygen. Org. Lett., 6(2): 217-219.
10. Sheldon, R.A. and Kochi, J.K. 1981. Metal-Catalysed Oxidations of Organic Compounds: Mechanistic Principles and Synthetics Methodology Including Biomedical Processes, Vol. Chap. 13, 387-397. New-York: Academic Press.
11. Murashashi, S.I. 1995. Synthetic aspects of metal-catalyzed oxidations of amines and related reactions. Angew. Chem. Int. Ed., 34: 2443-2465.
12. Mimoun, H., Saussine, L., Daire, E., Postel, M., Fisher, J. and Weiss, R. 1983. Vanadium (V) Peroxo complexes. New versatile biomimetic reagents for epoxidation of olefins and hydroxylation of alkanes and aromatic hydrocarbons. Journal of the American Society, 105: 3101-3110.
13. Mukaiyam, T. and Yamada, T. 1995. Recent advances in aerobic oxygenation. Bull. Chem. Soc. Jpn.,: 17-35.
14. Tokunaga, J. 1975. A general correlation for non-polar gas solubilities in aqueous alcohols solutions. J. Chem. Eng. Jpn., 8(1): 7-10.