Liquid purification or separation – Casing divided by membrane into sections having inlet – Energy recovery from treated liquid
Patent
1978-11-08
1980-06-17
Hart, Charles N.
Liquid purification or separation
Casing divided by membrane into sections having inlet
Energy recovery from treated liquid
210450, 210494M, B01D 1300, B01D 3300, C02B 182
Patent
active
042082897
ABSTRACT:
A semipermeable membrane cartridge is reciprocated within a pressure resistant vessel to provide improved liquid flow and turbulence over the semipermeable membrane surfaces. The end of the semipermeable membrane cartridge exposed to the pressure of feed liquid introduced into one end of the pressure resistant vessel is adjusted or arranged to be of substantially the same effective cross sectional area as that of the end of the cartridge exposed to the pressure of brine being released from the other end of the pressure resistant vessel. This essentially balances the liquid pressure forces on the ends of the semipermeable membrane cartridge to provide improved conditions for reciprocation.
REFERENCES:
patent: 3830372 (1974-08-01), Manjikion
patent: 4016083 (1977-04-01), Sakaguchi et al.
patent: 4046685 (1977-09-01), Bray
patent: 4070280 (1978-01-01), Bray
Allen Clement H.
Desalination Systems Inc.
Hart Charles N.
Lander Ferris H.
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