Third phase formation in solvent extraction: A microemulsion model

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10 Scopus citations

Abstract

Third phase formation, the separation of a solvent extraction organic phase into two liquids, is generally attributed to the limited solubility of the extracted complexes in the hydrocarbon diluents. Much of the research on third phase formation, therefore, emphasizes experiments designed to establish the stoichiometry of the species responsible for the limited solubility. This work offers a different approach, based on the recognition that the solvent extraction third phase, in fact, corresponds to the middle phase in a microemulsion fluid system. Using the tri-n-butylphosphate (TBP)-diluent-water-electrolyte system as a model system, current concepts of microemulsion phase behavior are utilized to develop a general framework for interpreting and predicting the patterns of phase behavior in solvent extraction systems.

Original languageEnglish (US)
Pages339-346
Number of pages8
StatePublished - Dec 1 1999
EventMetal Separation Technology Beyond 2000: Integrating Novel Chemistry with Processing - Oahu, HI, USA
Duration: Jun 13 1999Jun 18 1999

Other

OtherMetal Separation Technology Beyond 2000: Integrating Novel Chemistry with Processing
CityOahu, HI, USA
Period6/13/996/18/99

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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