Ultrafiltration apparatus

Details Ultrafiltration apparatus Ultrafiltration apparatus

B - Operations, Transporting

01

D

182/15

B01D 61/18 (2006.01) B01D 63/08 (2006.01)

Patent

CA 1320684

ABSTRACT An ultrafiltration apparatus in which a plurality of support panels are arranged to form a stack, with panel faces each carrying a membrane for separating a base liquid into two fractions. Apertures are formed in the panels, and the stack is arranged so that these apertures are in registration to form ducts within the stack. Longitudinal ribs are formed in the panel faces, with longitudinal channels on either side of same. Transverse ribs are formed between adjacent longitudinal channels, with transverse channels between adjacent such ribs. Turbulence reduction flanges are inserted between selected panels within the stack to divide same into subassemblies, which direct fluid flow from the top of one subassembly to the bottom of the succeeding subassembly, providing bottom-to-top flow across the panel faces throughout the stack. The fraction of base fluid that flows through the membrane is collected in the transverse channels and thence flows in the longitudinal channels to a permeate extraction duct, where such permeate can be extracted.

539636

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