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A Study of Cerium Extraction Kinetics by TODGA in Acidified and Non-Acidified Organic Solvent Phases in the Context of Fission Product Management

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A Study of Cerium Extraction Kinetics by TODGA in Acidified and Non-Acidified Organic Solvent Phases in the Context of Fission Product Management. / Bromley, Michael Anthony; Boxall, Colin.

In: Progress in Nuclear Science and Technology, Vol. 5, 01.11.2018, p. 70-73.

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@article{2d4089ab2a014a58b4215b907d6358b7,
title = "A Study of Cerium Extraction Kinetics by TODGA in Acidified and Non-Acidified Organic Solvent Phases in the Context of Fission Product Management",
abstract = "In the context of management of the waste streams arising from the reprocessing of spent nuclear fuel, studies have been conducted into the solvent extraction kinetics of lanthanide fission products by the oxygen-donor ligand N,N,N’,N’-tetraoctyl diglycolamide (TODGA) and the effects of solvent phase acidity on the effectiveness of this organic extractant molecule. In this study, we observe a reduction in the rate of cerium extraction as solvent phase acidity increases, attributed to aggregation of the extractant. The effect is shown to be reversible through neutralization while a permanent prevention method is the subject of further work.",
keywords = "TODGA, Rotating diffusion cell (RDC), Nuclear, Separation, Extraction, Reprocessing",
author = "Bromley, {Michael Anthony} and Colin Boxall",
year = "2018",
month = "11",
day = "1",
language = "English",
volume = "5",
pages = "70--73",
journal = "Progress in Nuclear Science and Technology",
issn = "2185-4823",

}

RIS

TY - JOUR

T1 - A Study of Cerium Extraction Kinetics by TODGA in Acidified and Non-Acidified Organic Solvent Phases in the Context of Fission Product Management

AU - Bromley, Michael Anthony

AU - Boxall, Colin

PY - 2018/11/1

Y1 - 2018/11/1

N2 - In the context of management of the waste streams arising from the reprocessing of spent nuclear fuel, studies have been conducted into the solvent extraction kinetics of lanthanide fission products by the oxygen-donor ligand N,N,N’,N’-tetraoctyl diglycolamide (TODGA) and the effects of solvent phase acidity on the effectiveness of this organic extractant molecule. In this study, we observe a reduction in the rate of cerium extraction as solvent phase acidity increases, attributed to aggregation of the extractant. The effect is shown to be reversible through neutralization while a permanent prevention method is the subject of further work.

AB - In the context of management of the waste streams arising from the reprocessing of spent nuclear fuel, studies have been conducted into the solvent extraction kinetics of lanthanide fission products by the oxygen-donor ligand N,N,N’,N’-tetraoctyl diglycolamide (TODGA) and the effects of solvent phase acidity on the effectiveness of this organic extractant molecule. In this study, we observe a reduction in the rate of cerium extraction as solvent phase acidity increases, attributed to aggregation of the extractant. The effect is shown to be reversible through neutralization while a permanent prevention method is the subject of further work.

KW - TODGA

KW - Rotating diffusion cell (RDC)

KW - Nuclear

KW - Separation

KW - Extraction

KW - Reprocessing

M3 - Journal article

VL - 5

SP - 70

EP - 73

JO - Progress in Nuclear Science and Technology

JF - Progress in Nuclear Science and Technology

SN - 2185-4823

ER -