Precipitation of rare earth phosphates from NaCl-2CsCl eutectic based melts / Volkovich V.A., Ivanov A.B., Yakimov S.M., Polovov I.B., Vasin B.D., Griffiths T.R., Chukin A.V., Shtolts A.K. // ECS Transactions. - 2012. - V. 50, l. 11. - P. 517-527.

ISSN:
19385862
Type:
Conference Paper
Abstract:
The reaction between 15 rare earth chlorides (yttrium, lanthanum and all the lanthanides except for promethium) and sodium orthophosphate was studied in NaCl-2CsCl eutectic based melts between 550 and 750 °C under an inert atmosphere. Rare earth phosphates were precipitated from the melt and their composition determined from chemical analysis, vibrational spectroscopy and X-ray powder diffraction measurements. The effects of temperature and the initial phosphate-to-rare earth mole ratio in the melt on the phase composition of the precipitated phosphates was investigated Over 99.9% precipitation could be achieved and the mole ratio required varied between 2 and 6. The minimum excess of phosphate precipitant required for complete precipitation from the melt was determined. Copyright © 2012 by The Electrochemical Society.
Author keywords:
Index keywords:
Effects of temperature; Inert atmospheres; Mole ratio; Rare earth chlorides; Rare earth phosphates; Sodium orthophosphate; X-ray powder; Cesium alloys; Chlorine compounds; Eutectics; Fused salts; Ioni
DOI:
10.1149/05011.0517ecst
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Affiliations Department of Rare Metals and Nanomaterials, Ural Federal University, Ekaterinburg, 620002, Russian Federation; Redston Trevor Consulting, Ltd., Leeds, LS17 8RF, United Kingdom; Department of Theoretical Physics and Applied Mathematics, Ural Federal University, Ekaterinburg, 620002, Russian Federation
References Kryukova, A.I., Korshunov, I.A., Mitrofanova, V.A., Burnaeva, A.A., Skiba, O.V., Kazantsev, G.N., Sergeeva, V.T., (1979) Phys. Chem. Electrochem. Molten and Solid Electrolytes, (PART 1), p. 138. , Akad Nauk SSSR, Ural. Nauch. Tsentr, Sverdlovsk (in Russian); Kryukova, A.I., Korshunov, I.A., Burnaeva, A.A., Skiba, O.V., Kazantsev, G.N., (1981) Sov. Radiochem., 23, p. 106; Burnaeva, A.A., Kryukova, A.I., Kazantsev, G.N., Skiba, O.V., Korshunov, I.A., (1984) Sov. Radiochem., 26, p. 229; Burnaeva, A.A., Volkov, Y.F., Kryukova, A.I., (1994) Radiokhimiya, 36, p. 289. , in Russian; Kazantsev, G.N., Skiba, O.V., Burnaeva, A.A., Kolesnikov, V.P., Volkov, Y.F., Kryukova, A.I., Koshunov, I.A., (1982) Sov. Radiochem., 24, p. 78; Volkovich, V.A., Griffiths, T.R., Thied, R.C., (2002) Molten Salts, 13, p. 590. , H.C. Delong, R.W. Bradshaw, M. Matsunaga, G.R. Stafford and P.C. Trulove, Editors, PV 2002-19, The Electrochemical Society Proceedings Series, Pennington, NJ; Volkovich, V.A., Griffiths, T.R., Thied, R.C., (2003) Phys. Chem. Chem. Phys., 5, p. 3053; Volkovich, V.A., Griffiths, T.R., Thied, R.C., (2003) J. Nucl. Mater., 323, p. 49; Volkovich, V.A., Vasin, B.D., Griffiths, T.R., Polovov, I.B., Medvedev, E.O., Yakimov, S.M., (2007) ECS Trans., 3 (35), p. 493; Hudry, D., Bardez, I., Rakhmatullin, A., Bessada, C., Bart, F., Jobic, S., Deniard, P., (2008) J. Nucl. Mater., 381, p. 284; Hudry, D., Rakhmatullin, A., Bessada, C., Bardez, I., Bart, F., Jobic, S., Deniard, P., (2009) Inorg. Chem., 48, p. 7141; Amamoto, I., Kofuji, H., Myochin, M., Takasaki, Y., Yano, T., Terai, T., (2010) Nucl. Tech., 171, p. 316; Kizilyalli, M., Welch, A.J.E., (1977) The Rare Earths in Modern Science and Technology, p. 209. , Plenum Press, New York and London; Kryukova, A.I., Korshunov, I.A., Moskvichev, E.P., Mitrofanova, V.A., Vorob'eva, N.V., Kazantsev, G.N., Skiba, O.V., (1976) Russ. J. Inorg. Chem., 21, p. 1408
Correspondence Address Department of Rare Metals and Nanomaterials, Ural Federal University, Ekaterinburg, 620002, Russian Federation
Sponsors Physical and Analytical Electrochemistry;Electrodeposition;Energy Technology
Conference name 18th International Symposium on Molten Salts and Ionic Liquids - 222nd ECS Meeting
Conference date 7 October 2012 through 12 October 2012
Conference location Honolulu, HI
Conference code 100229
ISBN 9781607683599
Language of Original Document English
Abbreviated Source Title ECS Transactions
Source Scopus