Attempts to improve radiolytic stability of amidic extractants

Yumi Sugo; Yuji Sasaki; Takaumi Kimura; Tsutomu Sekine

Attempts to improve radiolytic stability of amidic extractants

Yumi Sugo, Yuji Sasaki, Takaumi Kimura, Tsutomu Sekine

Division of Developmental Research in Education Programs

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

5 Citations (Scopus)

Abstract

A tridentate diamide, N.N.N'.N'-tetraoctyldiglycolamide (TODGA) is very useful for the recovery of actinide ions from spent nuclear fuel Based on the mechanism of the radiolysis of TODGA in organic solution, an improvement of radiolytic stability of amidic extractants was attempted. The radiolytic degradation of TODGA was suppressed by the addition of appropriate compounds, due to reduction in the mole fraction of n-dodecane. In addition, by using the solvents having low ionization potentials, TODGA could be protected from radiation. Because the charge transfer reaction in the primary process was inhibited. It was also confirmed that aromatic substituents in the molecule effectively improved the radiolytic stability.

Original language	English
Title of host publication	GLOBAL 2007
Subtitle of host publication	Advanced Nuclear Fuel Cycles and Systems
Pages	1870-1873
Number of pages	4
Publication status	Published - 2007 Dec 1
Event	GLOBAL 2007: Advanced Nuclear Fuel Cycles and Systems - Boise, ID, United States Duration: 2007 Sep 9 → 2007 Sep 13

Publication series

Name	GLOBAL 2007: Advanced Nuclear Fuel Cycles and Systems

Other

Other	GLOBAL 2007: Advanced Nuclear Fuel Cycles and Systems
Country	United States
City	Boise, ID
Period	07/9/9 → 07/9/13

ASJC Scopus subject areas

Energy Engineering and Power Technology
Fuel Technology
Nuclear Energy and Engineering

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Cite this

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title = "Attempts to improve radiolytic stability of amidic extractants",

abstract = "A tridentate diamide, N.N.N'.N'-tetraoctyldiglycolamide (TODGA) is very useful for the recovery of actinide ions from spent nuclear fuel Based on the mechanism of the radiolysis of TODGA in organic solution, an improvement of radiolytic stability of amidic extractants was attempted. The radiolytic degradation of TODGA was suppressed by the addition of appropriate compounds, due to reduction in the mole fraction of n-dodecane. In addition, by using the solvents having low ionization potentials, TODGA could be protected from radiation. Because the charge transfer reaction in the primary process was inhibited. It was also confirmed that aromatic substituents in the molecule effectively improved the radiolytic stability.",

author = "Yumi Sugo and Yuji Sasaki and Takaumi Kimura and Tsutomu Sekine",

year = "2007",

month = dec,

day = "1",

language = "English",

isbn = "0894480553",

series = "GLOBAL 2007: Advanced Nuclear Fuel Cycles and Systems",

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T1 - Attempts to improve radiolytic stability of amidic extractants

AU - Sugo, Yumi

AU - Sasaki, Yuji

AU - Kimura, Takaumi

AU - Sekine, Tsutomu

PY - 2007/12/1

Y1 - 2007/12/1

N2 - A tridentate diamide, N.N.N'.N'-tetraoctyldiglycolamide (TODGA) is very useful for the recovery of actinide ions from spent nuclear fuel Based on the mechanism of the radiolysis of TODGA in organic solution, an improvement of radiolytic stability of amidic extractants was attempted. The radiolytic degradation of TODGA was suppressed by the addition of appropriate compounds, due to reduction in the mole fraction of n-dodecane. In addition, by using the solvents having low ionization potentials, TODGA could be protected from radiation. Because the charge transfer reaction in the primary process was inhibited. It was also confirmed that aromatic substituents in the molecule effectively improved the radiolytic stability.

AB - A tridentate diamide, N.N.N'.N'-tetraoctyldiglycolamide (TODGA) is very useful for the recovery of actinide ions from spent nuclear fuel Based on the mechanism of the radiolysis of TODGA in organic solution, an improvement of radiolytic stability of amidic extractants was attempted. The radiolytic degradation of TODGA was suppressed by the addition of appropriate compounds, due to reduction in the mole fraction of n-dodecane. In addition, by using the solvents having low ionization potentials, TODGA could be protected from radiation. Because the charge transfer reaction in the primary process was inhibited. It was also confirmed that aromatic substituents in the molecule effectively improved the radiolytic stability.

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M3 - Conference contribution

AN - SCOPUS:45149104146

SN - 0894480553

SN - 9780894480553

T3 - GLOBAL 2007: Advanced Nuclear Fuel Cycles and Systems

SP - 1870

EP - 1873

BT - GLOBAL 2007

T2 - GLOBAL 2007: Advanced Nuclear Fuel Cycles and Systems

Y2 - 9 September 2007 through 13 September 2007

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