Hollow fibre membrane contactor as a gas-liquid model contactor

V.Y. Dindore, D.W.F. Brilman, G.F. Versteeg

Research output: Contribution to journalArticleAcademicpeer-review

85 Citations (Scopus)


Microporous hollow fiber gas–liquid membrane contactors have a fixed and well-defined gas–liquid interfacial area. The liquid flow through the hollow fiber is laminar, thus the liquid side hydrodynamics are well known. This allows the accurate calculation of the fiber side physical mass transfer coefficient from first principles. Moreover, in the case of gas–liquid membrane contactor, the gas–liquid exposure time can be varied easily and independently without disturbing the gas–liquid interfacial area. These features of the hollow fiber membrane contactor make it very suitable as a gas–liquid model contactor and offer numerous advantages over the conventional model contactors. The applicability and the limitations of this novel model contactor for the determination of physico-chemical properties of non-reactive and reactive gas–liquid systems are investigated in the present work. Absorption of CO2 into water and into aqueous NaOH solutions are chosen as model systems to determine the physico-chemical properties for non-reactive and reactive conditions, respectively. The experimental findings for these systems show that a hollow fiber membrane contactor can be used successfully as a model contactor for the determination of various gas–liquid physico-chemical properties. Moreover, since the membrane contactor facilitates indirect contact between the two phases, the application of hollow fiber model contactor can possibly be extended to liquid–liquid systems and/or heterogeneous catalyzed gas–liquid systems.
Original languageEnglish
Pages (from-to)467-479
Number of pages13
JournalChemical engineering science
Issue number2
Publication statusPublished - 2005


  • Mass transfer
  • Model contactor
  • Multiphase reactors
  • Absorption
  • Membranes
  • Membrane contactor


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