Spacer for electrically driven membrane process apparatus

Details Spacer for electrically driven membrane process apparatus Spacer for electrically driven membrane process apparatus

B - Operations, Transporting

01

D

B01D 61/50 (2006.01) B01D 39/08 (2006.01) C02F 1/469 (2006.01)

Patent

CA 2413467

A spacer mesh is provided and is configured to separate a first ion conducting membrane from a second ion conducting membrane to define a space between the membranes, comprising a plurality of strands consisting essentially of a polymer having a heat distortion temperature of at least 87°C at 66 psi, and a melt flow index within the range of 3 g/ 10 min to 6 g/ 10 min, and being chemically stable at pH >1 3 or pH <2. The spacer mesh comprises a first plurality of spaced apart substantially parallel strand elements, and a second plurality of spaced apart substantially parallel strand elements, wherein the first plurality of strand elements and the second plurality of spaced apart substantially parallel strand elements, wherein the first plurality of strand elements and the second plurality of strand elements are connected to define a netting having a plurality of apertures, each of the apertures having a plurality of vertices defined by a pair of intersecting strands, and a distance between non-adjacent vertices in an aperture is less than 0.4 mm.

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