Comparisons of Reverse Osmosis and Pervaporation Membrane Processes I. Theoretical Interpretations

  • Rhim, Ji-Won (Membranes and Separation Laboratory, Korea Research Institute of Chemical Technology) ;
  • Lee, Kew-Ho (Membranes and Separation Laboratory, Korea Research Institute of Chemical Technology) ;
  • Huang, Y.M. (Department of Chemical Engineering, University of Waterloo)
  • Published : 1991.10.01

Abstract

The pressure in RO leads to a concentration difference across the membrane, while the concentration difference in PVAP across the membrane is achieved by applying a vacuum to the downstream compartment. Therefore, it could be possible to compare this two processes using the solution-diffusion mechanism.

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