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Extraction experiments after radiolysis of a proposed GANEX solvent - the effect of time

Emma Aneheim (Institutionen för kemi- och bioteknik, Kärnkemi) ; Lovisa Bauhn (Institutionen för kemi- och bioteknik, Kärnkemi) ; Christian Ekberg (Institutionen för kemi- och bioteknik, Kärnkemi) ; Mark Foreman (Institutionen för kemi- och bioteknik, Kärnkemi) ; Elin Löfström Engdahl (Institutionen för kemi- och bioteknik, Kärnkemi)
Procedia Chemistry (1876-6196). Vol. 7 (2012), p. 123-129.
[Konferensbidrag, refereegranskat]

In a solvent intended for use within group actinide extraction CyMe4-BTBP and TBP are combined together in cyclohexanone. After irradiating the solvent in acid contact a latency period before extraction reduced the extraction capability of plutonium. This reduction was larger when the solvent was kept in contact with the acid after irradiation. The decrease in plutonium extraction could be an effect of both a reduced extraction performance of CyMe4-BTBP caused by hydrolysis as well as a shift in oxidation state of the plutonium as it was shown that oxidizing Pu(IV) to Pu(VI) decreased the extraction by the solvent. (C) 2012 Elsevier B. V. .. Selection and/or peer-review under responsibility of the Chairman of the ATALANTE 2012 Program Committee

Nyckelord: GANEX, BTBP, Irradiation, Plutonium oxidation

Denna post skapades 2013-02-07. Senast ändrad 2016-10-25.
CPL Pubid: 173271


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Institutionen för kemi- och bioteknik, Kärnkemi (2005-2014)



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