Reverse osmosis cell with multi-conduit osmotic membrane element

Details Reverse osmosis cell with multi-conduit osmotic membrane element Reverse osmosis cell with multi-conduit osmotic membrane element

1977-10-19

1979-05-22

Spear, Jr., Frank A.

Liquid purification or separation

Plural distinct separators

Filters

210321R, 210433M, B01D 3100

Patent

active

041558537

ABSTRACT:
A reverse osmosis cell is provided which includes a pressure vessel having pressurized fluid inlet means, concentrate fluid outlet means, and permeate fluid outlet means. A hollow, open-ended, rigid, porous, tubular member is disposed within the pressure vessel in spaced relationship to the inner surface thereof, with the spaced relationship defining an outer conduit which is in communication with the concentrate outlet. The tubular member comprises a wall delimited by inner and outer surfaces and oppositely disposed first and second wall ends, with each of the inner and outer surfaces being coated with a semi-permeable membrane, and with the inner surface defining an inner conduit. The tubular wall is provided with axially disposed wall conduit means terminating in first and second port means in the first and second wall ends, respectively. Fluid distributor means are disposed at the second wall end of the tubular member and include (a) first transfer conduit means for extending communication from the wall conduit second port means to the permeate outlet and (b) second transfer conduit means for extending communication from the inner conduit at the second wall end to the outer conduit. Sealing means are provided for preventing fluid migration between the first and second transfer conduit means and for sealing the first wall end of the tubular member.

REFERENCES:
patent: 2598322 (1952-05-01), Vokes
patent: 3396103 (1968-08-01), Huntington
patent: 3712473 (1973-01-01), Ellenburg
patent: 4032454 (1977-06-01), Hoover et al.

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