Hollow fiber contained liquid membrane pervaporation system for the removal of toxic volatile organics from wastewater

Dali Yang, Sudipto Majumdar, Suphan Kovenklioglu, Kamalesh K. Sirkar

Research output: Contribution to journalArticlepeer-review

47 Scopus citations

Abstract

A novel configuration of a hollow fiber contained liquid membrane (HFCLM) pervaporation system was used to separate organic solutes such as trichloroethylene and toluene from water. In this system the highly selective organic liquid membrane is contained in the shell side between two sets of hollow fibers packed in a shell-and-tube heat exchanger arrangement. Wastewater is fed into one set of hollow fibers and vacuum is applied in the other set of hollow fibers. The separation factors and solute recoveries for the HFCLM system were higher and water fluxes lower than in a conventional pervaporation system based on silicone rubber with vacuum applied outside the silicone rubber hollow fibers. The effluent concentration data for the HFCLM were satisfactorily correlated with a material balance where the mass flux was expressed in terms of an overall mass transfer coefficient based on resistances-in-series model.

Original languageEnglish (US)
Pages (from-to)195-210
Number of pages16
JournalJournal of Membrane Science
Volume103
Issue number3
DOIs
StatePublished - Jul 31 1995
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Filtration and Separation

Keywords

  • Celgard fiber
  • Hollow fiber
  • Liquid membrane
  • Pervaporation
  • Silicone rubber

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