Korean Membrane Journal

The Membrane Society of Korea (한국막학회)
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Prediction of Pervaporation Performance Using Solubility Parameter Calculation

  • John R. Dorgan (Chemical Engineering Department, Colorado School of Mines) ;
  • Nam, Sang-Yong (Department of Polymer Science and Engineering, Engineering Research Institute, Gyeongsang National University)
  • Published : 2003.12.01
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Abstract

A Prediction of pervaporation performance was studied by solubility parameter calculation approach for the benzene/cyclohexane mixture system using rubbery blend membrane with various solubility parameters. The solubility parameter of the rubbery blend membranes were controlled with different blend ratio of the poly(acrylonitrile-co-butadiene), poly(styrene-co-butadiene) and poly(vinyl chloride). Screening of blend formulations was accomplished by simple swelling tests. When the content of NBR is increased, the swelling of both benzene and cyclohexane are decreased. However, the ratio of benzene swelling to swelling by cyclohexane (the swelling selectivity) increases. The same is true for blends in which the PVC content is increased. Adoption of a solubility parameter calculation provides an a priori methodology for seeking the best blend formulation.

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