Korean Membrane Journal

한국막학회 (The Membrane Society of Korea)
권호 표지

[ $Ag^+$ ]-Chitosan Complex Membranes for Propylene/Propane Separation

  • Kim, Jeong-Hoon (Interface Materials and Engineering Lab, Division of Chemical Technology, Korea Research Institute of Chemical Technology) ;
  • Lee, Soo-Bok (Interface Materials and Engineering Lab, Division of Chemical Technology, Korea Research Institute of Chemical Technology) ;
  • Feng, Xianshe (Department of Chemical Engineering, University of Waterloo)
  • 발행 : 2006.12.31
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초록

We have prepared new water-swollen chitosan-$Ag^+$ complex membranes and studied their permeation and separation behavior for propylene and propane gases. The $Ag^+$ containing chitosan complex membranes were prepared from chitosan and $AgNO_3$ aqueous solution. The $AgNO_3$ and water content in the membrane were controlled by adjusting $AgNO_3$ concentration of casting solution. The permeation properties of propylene and propane were investigated as a function of $AgNO_3$ concentration, and various operation conditions. High permeability of above 17 barrer and high selectivity of above 170 could be obtained with the membranes prepared from 3 M $AgNO_3$ aqueous solution. Periodic regeneration test confirmed these membranes could be very useful for the separation of propylene/propane and other olefin/paraffin separation.

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참고문헌

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