INTERFACIAL KINETICS OF IRON(III) SULFATE-SULFURIC ACID/ beta -ALKENYL-8-HYDROXYQUINOLINE-XYLENE EXTRACTION SYSTEM.

Chun Kuo Lee, Lawrence L Tavlarides

Research output: Contribution to journalArticle

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Abstract

The results of a study of the interfacial kinetics for the extraction of iron(III) in sulfuric acid with beta -alkenyl-8-hydroxyquinoline are presented. Use of a liquid jet recycle reactor (LJRR) to obtain the interfacial rate data permits appropriate analysis when mass transfer and interfacial reaction contribute to the overall rate. Ionic speciation in the bulk aqueous phase is modeled to obtain the concentrations of Fe**3** plus and H** plus . The postulated mechanism giving rise to the rate expression includes the adsorption of HR and the protonation of HR. It also assumes that the rate-determining step is the formation of FeR//2** plus in the interfacial region. The postulated model is supported by physiochemical evidence, such as interfacial tension data, and statistical evaluation of the model.

Original languageEnglish (US)
Pages (from-to)96-102
Number of pages7
JournalIndustrial & Engineering Chemistry, Fundamentals
Volume25
Issue number1
StatePublished - Feb 1986

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ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Engineering(all)
  • Environmental Science(all)
  • Polymers and Plastics

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