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Hollow membranes with capillary tubes, fluid treatment modules that use them and methods of manufacturing them

  • US 20040099597A1
  • Filed: 10/08/2003
  • Published: 05/27/2004
  • Est. Priority Date: 10/29/1997
  • Status: Active Grant
First Claim
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1. A hollow membrane comprising two support layers (5a, 5b) arranged one above the other creating between them a space and a plurality of capillary tubes (3) arranged between the two support layers and each having an opening at the level of each of the support layers in such a way as to form capillary channels for the flow of a first fluid, the space between the capillary tubes and the two support layers forming an internal cavity (7) for circulation of a second fluid around the capillary tubes, the two support layers and the capillary tubes being constituted by an organic polymer.

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