B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 69/10 (2006.01) B01D 63/08 (2006.01) B01D 63/10 (2006.01) B01D 63/12 (2006.01) B01D 65/08 (2006.01) B01D 69/12 (2006.01) C02F 3/12 (2006.01)
Patent
CA 2574913
The present invention is related to a membrane, comprising a permeate channel consisting of a 3D spacer fabric having an upper and a lower fabric surface (2,3) spaced apart by monofilament thread (4) at a predefined distance, said permeate channel being interposed between two membrane layers (12, 13), wherein said membrane layers are linked at a multitude of points with said upper and lower fabric surfaces to form an integral structure with a high bonding strength suitable for backflush operations. The present invention further relates to a method for providing an integrated permeate channel membrane, comprising the steps of: - Providing a 3D spacer fabric comprising an upper and lower surface fabric (2,3) spaced apart by monofilament thread (4) at a predefined distance , and - Applying a membrane layer to both said upper and said lower surface fabric.
La présente invention concerne une membrane comprenant un canal à perméat constitué d~un tissu de séparation tridimensionnel comportant des surfaces de tissu supérieure et inférieure (2,3) séparées d~une distance prédéfinie par un fil monofilament (4), ledit canal à perméat étant interposé entre deux couches de membrane (12, 13), lesdites couches de membrane étant rattachées auxdites surfaces de tissu supérieure et inférieure en une multitude de points pour former une structure solidaire offrant une grande force d~adhésion pour les opérations de rétrolavage. La présente invention concerne également un procédé de fabrication d~une membrane à canal à perméat intégré comprenant les étapes : - de fabrication d~un tissu de séparation tridimensionnel comprenant des surfaces de tissu supérieure et inférieure (2,3) séparées d~une distance prédéfinie par un fil monofilament (4), et - d~application d~une couche de membrane sur lesdites surfaces de tissu supérieure et inférieure.
Adriansens Walter
Beckers Herman
Dotremont Chris
Doyen Wim
Gowling Lafleur Henderson Llp
Vlaamse Instelling Voor Technologisch Onderzoek (vito)
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