Journal of Porous Materials

, Volume 16, Issue 1, pp 73–79 | Cite as

Hydrophobic inorganic membranes for water/gas separation

  • Bruno Pintault
  • Andre Ayral


Macroporous or mesoporous hydrophobic inorganic membranes are prepared by a simple one-pot synthesis method coupling the sol–gel process with fluorinated silanes as precursors and the use of alumina powders as fillers. The porosity of these intrinsically hydrophobic membranes can be tuned by the particle size distribution of the dispersed alumina powder. These membranes developed for water/gas separation applications are characterized in term of gas permeance and water breakthrough pressure. A value of air permeance equal to 1800 L min−1 bar−1 m−2 associated with a water breakthrough pressure larger than 10 bar are measured for the effective sample.


Inorganic membrane Hydrophobic membrane Fluorinated membrane Water–gas separation 


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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.CEA Le RipaultMontsFrance
  2. 2.Institut Européen des Membranes—UMR5635 CNRS—ENSCM—UM2, CC047Université Montpellier 2Montpellier cedex 5France

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