Reduction of Uranyl(VI) Species in Alkali Chloride Melts

V. A. Volkovich; D. E. Aleksandrov; D. S. Maltsev; B. D. Vasin; I. B. Polovov; T. R. Griffiths

doi:10.1002/9781118448847.ch6m

Reduction of Uranyl(VI) Species in Alkali Chloride Melts

V. A. Volkovich, D. E. Aleksandrov, D. S. Maltsev, B. D. Vasin, I. B. Polovov, T. R. Griffiths

Nanomaterials Chemistry Group

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

2 Scopus citations

Abstract

Chemical reduction of uranyl(VI) ions was studied in melts based on NaCl-2CsCl, NaCl-KCl, 3LiCl-2KCl and LiCl between 550 and 750°C by high-temperature electronic absorption spectroscopy and electrochemistry. Elemental hydrogen, zirconium, niobium, molybdenum, silver, palladium, tellurium and Nb(III) chloro-species were used as the reducing agents. The products formed depend on temperature, melt composition and the nature of the reductant.

Original language	English
Title of host publication	Molten Salts Chemistry and Technology
Publisher	Wiley Blackwell
Pages	507-520
Number of pages	14
Volume	9781118448731
ISBN (Electronic)	9781118448847
ISBN (Print)	9781118448731
DOIs	https://doi.org/10.1002/9781118448847.ch6m
State	Published - Jun 23 2014

Keywords

Alkali chloride melts
Electronic absorption spectroscopy
Hydrogen
Molybdenum
Niobium
Nuclear fuel reprocessing
Palladium
Reduction
Silver
Tellurium
Uranium
Uranyl
Zirconium

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10.1002/9781118448847.ch6m

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title = "Reduction of Uranyl(VI) Species in Alkali Chloride Melts",

abstract = "Chemical reduction of uranyl(VI) ions was studied in melts based on NaCl-2CsCl, NaCl-KCl, 3LiCl-2KCl and LiCl between 550 and 750°C by high-temperature electronic absorption spectroscopy and electrochemistry. Elemental hydrogen, zirconium, niobium, molybdenum, silver, palladium, tellurium and Nb(III) chloro-species were used as the reducing agents. The products formed depend on temperature, melt composition and the nature of the reductant.",

keywords = "Alkali chloride melts, Electronic absorption spectroscopy, Hydrogen, Molybdenum, Niobium, Nuclear fuel reprocessing, Palladium, Reduction, Silver, Tellurium, Uranium, Uranyl, Zirconium",

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AU - Volkovich, V. A.

AU - Aleksandrov, D. E.

AU - Maltsev, D. S.

AU - Vasin, B. D.

AU - Polovov, I. B.

AU - Griffiths, T. R.

PY - 2014/6/23

Y1 - 2014/6/23

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AB - Chemical reduction of uranyl(VI) ions was studied in melts based on NaCl-2CsCl, NaCl-KCl, 3LiCl-2KCl and LiCl between 550 and 750°C by high-temperature electronic absorption spectroscopy and electrochemistry. Elemental hydrogen, zirconium, niobium, molybdenum, silver, palladium, tellurium and Nb(III) chloro-species were used as the reducing agents. The products formed depend on temperature, melt composition and the nature of the reductant.

KW - Alkali chloride melts

KW - Electronic absorption spectroscopy

KW - Hydrogen

KW - Molybdenum

KW - Niobium

KW - Nuclear fuel reprocessing

KW - Palladium

KW - Reduction

KW - Silver

KW - Tellurium

KW - Uranium

KW - Uranyl

KW - Zirconium

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BT - Molten Salts Chemistry and Technology

PB - Wiley Blackwell

ER -

Reduction of Uranyl(VI) Species in Alkali Chloride Melts

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