Reverse osmosis liquid purification apparatus

Details Reverse osmosis liquid purification apparatus Reverse osmosis liquid purification apparatus

1980-10-30

1983-01-04

Hart, Charles N.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Discharge of treated material

210116, 210117, 210134, 210136, 210137, 2102572, 2104332, 137 99, 137544, 137599, 13762534, B01D 3100

Patent

active

043671403

ABSTRACT:
In apparatus for the reverse osmosis purification of water or other fluid in a module containing a membrane, the water is forced into the module under pressure using two piston-cylinder assemblies mechanically interconnected with the pressurized fluid from the module applied to the rear face of the piston which, from its front face, is driving water into the module, a low pressure continuously operating pump providing a low pressure on the other piston to supply the necessary extra pressure. Valve means automatically reverse the functions of the two cylinders at each end of each stroke.

REFERENCES:
patent: 4054522 (1977-10-01), Pinkerton
patent: 4178240 (1979-12-01), Pinkerton

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