Mass transfer correlations in membrane extraction: analysis of Wilson-plot methodology

R. M. C. Viegas, M. Rodríguez, S. Luque, J. R. Alvarez, I. M. Coelhoso, J. P. S. G. Crespo

Research output: Contribution to journalArticle

101 Citations (Scopus)

Abstract

Mass transfer correlations have been obtained for the past eight decades by the Wilson-plot method which has proved to be suitable for systems operating in steady-state conditions and where the only variable is the fluid velocity. In this work, this methodology is evaluated by using a membrane extraction process with a hollow-fiber membrane contactor as a case study. Taking into consideration the currently available mathematical tools, alternative methods to obtain mass transfer correlations are proposed and discussed. The proposed one-step calculation methodology proved to be a most suitable approach, leading to a drastic reduction in the errors associated with the estimated parameters. Additionally, improvements were observed when accounting for the partition coefficient variation.

Original languageEnglish
Pages (from-to)129-142
Number of pages14
JournalJournal of Membrane Science
Volume145
Issue number1
DOIs
Publication statusPublished - 24 Jun 1998

Keywords

  • Hollow fiber
  • Mass transfer coefficients
  • Mass transfer correlations
  • Membrane extraction
  • Wilson-plot

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