Stability of phenyl trifluoromethyl sulfone as diluent in a grouped actinide extraction process

Halleröd, Jenny; Ekberg, Christian; Foreman, Mark; Engdahl, Elin Löfström; Aneheim, Emma

doi:10.1007/s10967-014-3657-1

Cited by 19 publications

(10 citation statements)

References 10 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In recent years, TBP became a common extractant in different GANEX solvents [7,10,18]. A negative feature with TBP is, however, that it does not follow the CHON principle [19].…”

Section: Grouped Actinide Extractionmentioning

confidence: 99%

“…There is no curium extraction data for the DEHBA--GANEX system. (A) FS-13-GANEX [10] and (B) hexanol-GANEX [18]. There is no neptunium extraction data for the hexanol--GANEX system.…”

Section: Stabilitymentioning

confidence: 99%

“…[18] and FS-13 from Ref. [10] Cyclo-GANEX DEHBA-GANEX Hexanol-GANEX FS-13-GANEX cyclo-GANEX system are also decreased, however, still high compared to the hexanol-GANEX. The data for DEHBA-GANEX are excluded from Table 2 due to their similarities to cyclo-GANEX.…”

Section: Stabilitymentioning

confidence: 99%

“…However, due to instability and density issues other diluents were investigated later on. These were long-chained alcohols, for example hexanol and octanol [9], and lately -fl uorinated aromatic sulfone compounds such as phenyl trifl uoromethyl sulfone (FS-13) [10].…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Development of the Chalmers Grouped Actinide Extraction Process

et al. 2015

Self Cite

View full text Add to dashboard Cite

Abstract. Several solvents for Grouped ActiNide EXtraction (GANEX) processes have been investigated at Chalmers University of Technology in recent years. Four different GANEX solvents; cyclo-GANEX (CyMe 4 --BTBP, 30 vol.% tri-butyl phosphate (TBP) and cyclohexanone), DEHBA-GANEX (CyMe 4 -BTBP, 20 vol.% N,N-di-2(ethylhexyl) butyramide (DEHBA) and cyclohexanone), hexanol-GANEX (CyMe 4 -BTBP, 30 vol.% TBP and hexanol) and FS-13-GANEX (CyMe 4 -BTBP, 30 vol.% TBP and phenyl trifl uoromethyl sulfone (FS-13)) have been studied and the results are discussed and compared in this work. The cyclohexanone based solvents show fast and high extraction of the actinides but a somewhat poor diluent stability in contact with the acidic aqueous phase. FS-13-GANEX display high separation factors between the actinides and lanthanides and a good radiolytic and hydrolytic stability. However, the distribution ratios of the actinides are lower, compared to the cyclohexanone based solvents. The hexanol-GANEX is a cheap solvent system using a rather stable diluent but the actinide extraction is, however, comparatively low.

show abstract

“…In recent years, TBP became a common extractant in different GANEX solvents [7,10,18]. A negative feature with TBP is, however, that it does not follow the CHON principle [19].…”

Section: Grouped Actinide Extractionmentioning

confidence: 99%

“…There is no curium extraction data for the DEHBA--GANEX system. (A) FS-13-GANEX [10] and (B) hexanol-GANEX [18]. There is no neptunium extraction data for the hexanol--GANEX system.…”

Section: Stabilitymentioning

confidence: 99%

Section: Stabilitymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Development of the Chalmers Grouped Actinide Extraction Process

et al. 2015

Self Cite

View full text Add to dashboard Cite

show abstract

“…xylenes), 26 or other material chosen for specific properties (i.e. phenyl trifluoromethyl sulfone for radiation resistance and stability toward nitric acid) 27 . The extractant molecules vary widely depending on the specific goal of the experiment.…”

Section: Liquid-liquid Solvent Extractionmentioning

confidence: 99%

Radiochemical analysis of protactinium speciation

Knight¹

View full text Add to dashboard Cite

show abstract

Solubility Thermodynamics of CyMe $$_{4}$$ 4 -BTBP in Various Diluents Mixed with TBP

et al. 2018

Self Cite

View full text Add to dashboard Cite

The two organic ligands 6,6′-bis(5,5,8,8-tetramethyl-5,6,7,8-tetrahydrobenzo[1,2,4]triazin-3-yl)[2,2′]bipyridine (CyMe-BTBP) and tri-butyl phosphate (TBP) have previously been investigated in different diluents for use within recycling of used nuclear fuel through solvent extraction. The thermodynamic parameters, , , and , of the CyMe-BTBP solubility in three diluents (cyclohexanone, octanol and phenyl trifluoromethyl sulfone) mixed with TBP have been studied at 288, 298 and 308 K, both as pristine solutions and pre-equilibrated with 4 molL nitric acid. In addition, the amount of acid in the organic phase and density change after pre-equilibration have been measured. The solubility of CyMe-BTBP increases with an increased temperature in all systems, especially after acid pre-equilibration. This increased CyMe-BTBP solubility after pre-equilibration could be explained by acid dissolution into the solvent. Comparing the and calculated using with the same parameters derived from a linear fit indicates temperature independence of all three thermodynamic systems. The change in enthalpy is positive in all solutions.

show abstract

Stability of phenyl trifluoromethyl sulfone as diluent in a grouped actinide extraction process

Cited by 19 publications

References 10 publications

Development of the Chalmers Grouped Actinide Extraction Process

Development of the Chalmers Grouped Actinide Extraction Process

Radiochemical analysis of protactinium speciation

Solubility Thermodynamics of CyMe $$_{4}$$ 4 -BTBP in Various Diluents Mixed with TBP

Contact Info

Product

Resources

About