Filtration

Details Filtration Filtration

B - Operations, Transporting

01

D

B01D 69/04 (2006.01) B01D 63/06 (2006.01) B01D 67/00 (2006.01) B01D 69/10 (2006.01) B29C 53/50 (2006.01) B29C 65/08 (2006.01)

Patent

CA 2150073

The invention relates to a membrane tube comprising a tubular substrate and a membrane layer thereon, the substrate having a substantially longitudinal seam. The substrate is a single ply polyester, formed from a tape which is slit to a desired width so that when it is formed it forms a tube of a desired outside diameter, preferably from 3mm and upwards. The membrane layer is applied to the interior surface of the tube in a viscous dope, which is subsequently set toa gel to form a plastic membrane layer. The viscous dope can be a polymer such as a polysulphone.

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