Liquid purification or separation – Casing divided by membrane into sections having inlet – Each section having inlet
Patent
1987-04-20
1988-05-17
Cintins, Ivars
Liquid purification or separation
Casing divided by membrane into sections having inlet
Each section having inlet
21032187, B01D 1300
Patent
active
047449004
ABSTRACT:
The reverse osmosis membrane is mounted inside a tubular container and has a central passage which connects at each end to a central conduit in the associated end cap. One conduit is plugged and the other is the clear product outlet. Sea or brackish water enters an inlet in one end cap and passes through the membrane to leave via an outlet in the other end cap. The end cap in the inlet end of the container is sealed with respect to the container so sea water must flow through the RO membrane rather than between the membrane and the container. The other end cap is not so sealed and outlet sea water can flow into the space between the RO member and the tubular container. A very small bleed hole allows inlet sea water to by-pass the RO member and flow from the inlet into the space between the member and the container. The low volume flow flushes the space to prevent build-up of algae and the like.
REFERENCES:
patent: 4064052 (1977-12-01), Zimmerly
patent: 4301013 (1981-11-01), Setti et al.
patent: 4451369 (1984-05-01), Sekino et al.
patent: 4600512 (1986-07-01), Aid
Cintins Ivars
Michael Bayard H.
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