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A TBP/BTBP-Based GANEX Separation Process Part 3: Fission Product Handling

Emma Aneheim (Institutionen för kemi- och bioteknik, Kärnkemi) ; Christian Ekberg (Institutionen för kemi- och bioteknik, Kärnkemi) ; Mark Foreman (Institutionen för kemi- och bioteknik, Kärnkemi)
Solvent extraction and ion exchange (0736-6299). Vol. 31 (2013), 3, p. 237-252.
[Artikel, refereegranskad vetenskaplig]

A Group ActiNide EXtraction (GANEX) separation system for transmutation has been developed, combining CyMe4-BTBP with TBP and cyclohexanone. This new GANEX solvent has proven efficient in actinide extraction but also been found to extract some undesired fission products and corrosion products. Three major fission products were primarily selected for the study: Mo, Zr, and Pd. There are three main strategies for handling the extraction problem, all of which have been investigated and discussed; these are Pre-extraction, Suppression, and Scrubbing. The only strategy that was found to control the behavior of all three main fission products was suppression by the combination of two water-soluble complexing agents bimet and mannitol.

Nyckelord: Separation, transmutation, GANEX, fission products, solvent extraction, solvent-extraction, minor actinides, diamex process, complexes, palladium, cyme4-btbp, stability, plutonium, recovery, behavior



Denna post skapades 2013-05-30. Senast ändrad 2015-11-05.
CPL Pubid: 177677

 

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Institutioner (Chalmers)

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

Ämnesområden

Kemi

Chalmers infrastruktur