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Recent content by PVmem

  1. PVmem

    VLE Data Acetone, Methanol, Water

    Instead of using water wash, methanol can be directly removed by using pervaporation or vapor permeation with polymeric membranes. Please contact Sulzer Chemtech (infomembranes(at)sulzer.com) for additional information. Regards
  2. PVmem

    pressure effects on pervaporation

    RW, it doesn't as the driving force is the difference in partial pressures of the permeating components on feed and permeate side. And partial pressure of a component in a mixture is only depending on its composition (activity coefficients) and its temperature. Therefore by either increasing the...
  3. PVmem

    Temperature control for pervaporation

    RW, 1. The only possibility to run pervaporation (liquid feed) at constant temperature is installing the system in an oven (especially for theoretical experiments). PS is right with vapor permeation, but the swelling and thus fluxes with vapor are different (= lower) 2. 60 °C is not the optimal...
  4. PVmem

    I'm looking for wilson model parameters.

    Contact the Dortmunder Datenbank - www.ddbst.de. There you should get the information required. [glasses]
  5. PVmem

    Pervaporation

    jdavis, is this the price for membrane only, cut or installed? As most of the suppliers do not just sell membranes but having them installed in modules or in complete units, you have to know where your price is deducted from. As an average you can say that 1 sqm. PVAmembrane in a plate 'n frame...
  6. PVmem

    UK pervaporation system company

    The SMART chemical company no longer exists as Smart - and as far as I know they stopped producing membranes in 2001. In case you need more information on pervaporation you can also send an email to info@sulzermembranes.com - they also have an office in UK. Good luck :-)
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