Korean Membrane Journal

The Membrane Society of Korea (한국막학회)
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Separation of Dichlorinated Bydrocarbons by Pervaporntion Using ZSM-5 Zeolite Membrane

  • Lee, Young-Jin (Department of Chemical Engineering, Chungnam National University) ;
  • Lee, Hye-Ryeon (Department of Chemical Engineering, Chungnam National University) ;
  • Shim, Eun-Young (Department of Chemical Engineering, Chungnam National University) ;
  • Ahn, Hyo-Sung (Department of Chemical Engineering, Chungnam National University) ;
  • Lee, Yong-Taek (Department of Chemical Engineering, Chungnam National University)
  • Published : 2005.12.01
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Abstract

Pervaporation with a membrane is one of the economic technologies for separation of liquid mixtures including organic/water mixtures. The ZSM-5 membrane was used fur pervaporation of dichloromethane, 1,2-dichloroethane and trans-1,2-dichloroethylene from their aqueous solutions since its physical property shows very hydrophobic. ZSM-5 crystals were hydrothermally grown and deposited on the inside of a porous sintered stainless steel tube by the secondary growth method. Fluxes of dichlorinated organic compounds were observed to be $50{\~}429\;g/m^2/h$ while separation factors were $15{\~}320$ depending on a mole fraction of a dichlorinated organic compound in a feed solution ranged from 0.0001 to 0.001 mole fraction and the operation temperature between $25^{\circ}C\;and\;35^{\circ}C$.

Keywords

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