Published July 1987 | Version v1
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Influence of zirconium ion concentration in model extraction systems TBP - diluents - Zr +4 - nitric acid

Description

Stability of emulsions is slightly increased by zirconium ions in systems containing TBP only. Addition of MBP gives precipitates stabilizing the emulsion increasing the difficulty of separation. Addition of DBP increases the stability of emulsions more than MBP, especially for high concentrations of zirconium and low concentration of nitric acid. In both cases kerosene gives emulsions more stable than carbon tetrachloride

Abstract (French)

On etudie dans des systemes modeles renfermant seulement TBP, les ions Zr+4 conduisant a une faible augmentation de la stabilite de l'emulsion primaire. L'addition de MBP conduit a la formation de precipites qui stabilisent l'emulsion et rendent la separation des phases difficile. L'addition de DBP conduit a une augmentation plus importante de la stabilite des emulsions primaires, surtout pour des concentrations elevees en ions Zr+4 et des concentrations faibles en HNO3. Avec le petrole lampant, on obtient des emulsions plus stables qu'avec CCl4

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Additional details

Additional titles

Original title (French)
Influence de la concentration en ions zirconium dans les systemes d'extraction modeles TBP - diluants - Zr

Publishing Information

Imprint Pagination
25 p.
Report number
CEA-TR--2241

Optional Information

Notes
Translated from Polish report INP-1215-C.