Spirally wrapped reverse osmosis membrane cell

Details Spirally wrapped reverse osmosis membrane cell Spirally wrapped reverse osmosis membrane cell

B - Operations, Transporting

01

D

182/14.2

B01D 63/10 (2006.01) B01D 61/08 (2006.01) B01D 61/14 (2006.01)

Patent

CA 1321148

ABSTRACT A spirally-wrapped reverse osmosis membrane cell employing an envelope of semipermeable membrane sheets spirally wound or wrapped about a tubular mandrel. The convolutions of the membrane assembly are separated to form an open channel, directed feed flow path leading into a lateral opening or series of openings in a communicating tubular member defining an unobstructed bore throughout its length. The feed separator may comprise a pluarlity of substantially parallel strips of impermeable material of a thickness sufficient to provide desired separation between membrane sheets and wherein the strips define a meandering fluid flow path throughout the length and width of the membrane sheet.

594519

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