Spiral-wound membrane with improved permeate carrier

Details Spiral-wound membrane with improved permeate carrier Spiral-wound membrane with improved permeate carrier

1987-10-01

1989-02-07

Spear, Frank

Liquid purification or separation

Filtrate splash plate and/or deflector

21032183, B01D 1300

Patent

active

048029823

ABSTRACT:
Disclosed are spiral-wound membrane cartridge constructions for use in ultrafiltration and reverse-osmosis separation equipment. The membrane constructions include a membrane layer directly bonded to a permeate carrier layer characterized by a channel material having a plurality of parallel ribs extending in a transverse permeate-carrying direction, interconnected by a relatively thin matrix of smaller fibrils. It advantageously reduces resistance to permeate flow to a central collection point, and can be employed to separate both liquid and gaseous fluids.

REFERENCES:
patent: 4028250 (1977-06-01), Loft

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