Influence of dose rate on the radiolytic stability of a BTBP solvent for actinide(III)/lanthanide(III) separation
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Anna Fermvik
Abstract
The recently developed ligand MF2-BTBP dissolved in cyclohexanone is a promising solvent for the group separation of trivalent actinides(III) from the lanthanides(III). Its high stability against nitric acid has been demonstrated recently. Since the solvent is also exposed to a continuously high radiation level in the counter current process, the radiolytic stability of the solvent was examined in this study. Irradiation experiments were carried out up to an absorbed dose of 100 kGy and the effect of the dose rate was investigated. The extraction behaviour for An(III)/Ln(III) separation was studied after radiolysis for evaluation. It was found that during high dose rate irradiation the extraction efficiency for both Am(III) and Eu(III) decreased significantly with increasing absorbed dose, whereas during the low dose rate irradiation the extraction efficiencies remained more or less at the same level.
© by Oldenbourg Wissenschaftsverlag, München, Germany
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Artikel in diesem Heft
- Influence of pH and metal ion loading on the Cm(III) humate complexation: a time resolved laser fluorescence spectroscopy study
- Radiotracer study of thorium complexation with humic acid at pH 2–11 using free-liquid electrophoresis
- Experimental and modeling studies of Eu(III) sorption on TiO2
- Extraction of uranium(VI) with diamides of dipicolinic acid from nitric acid solutions
- Extraction behavior of short-lived isotopes of Mo/W using α-benzoinoxime: A model system for the study of seaborgium
- Production of 95gTc via95Ru decay
- A novel 188W/188Re electrochemical generator with potential for medical applications
- Influence of dose rate on the radiolytic stability of a BTBP solvent for actinide(III)/lanthanide(III) separation
- Study of some Ayurvedic Indian medicinal plants for the essential trace elemental contents by instrumental neutron activation analysis and atomic absorption spectroscopy techniques
- Epithermal neutrons activation analysis, radiochemical and radiometric investigations of evaporitic deposits of Slanic-Prahova (Romania) salt mine
