INTEGRATED PERMEATE CHANNEL MEMBRANE STRUCTURE

The current invention relates to a filtration membrane envelope (3) comprising a 3D spacer fabric (7) having an upper and lower surface (9, 10) tied together and spaced apart by monofilament threads (11), said 3D spacer fabric is interposed between two membrane layers, and forming a permeate channel...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VAN HOOF, Stephan, AERTS, Peter, BRÜSS, Ulrich
Format:	Patent
Sprache:	eng
Schlagworte:	BRAIDING KNITTING LACE-MAKING NON-WOVEN FABRICS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TEXTILES TRANSPORTING TRIMMINGS
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Beschreibung
Zusammenfassung:	The current invention relates to a filtration membrane envelope (3) comprising a 3D spacer fabric (7) having an upper and lower surface (9, 10) tied together and spaced apart by monofilament threads (11), said 3D spacer fabric is interposed between two membrane layers, and forming a permeate channel (12), wherein said membrane layers are cast respectively on said upper and lower fabric surface of said 3D spacer fabric and wherein said upper and lower fabric surfaces are at least partially embedded in said membrane layers, thereby forming an upper and lower anchorage section (13, 14), characterized in that said anchorage section have a minimal thickness of 100 micron.