Method and apparatus having reverse osmosis membrane for concent

Details Method and apparatus having reverse osmosis membrane for concent Method and apparatus having reverse osmosis membrane for concent

1991-06-24

1993-08-24

Sever, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

2101952, 2102572, 21032165, B01D 6102, B01D 6108

Patent

active

052385744

ABSTRACT:
A method and an apparatus for treating salt water by a multiplicity of reverse osmosis membrane modules or a structure constituted by combining a multiplicity of reverse osmosis membrane modules and an evaporating device and thereby capable of efficiently treating it while preventing excessively large energy consumption. Salt water is passed through a plurality of reverse osmosis membrane modules so as to be separated into desalted water of a potable water level and high density concentrated water the salinity quality of which is 80,000 to 120,000 ppm.

REFERENCES:
patent: 3906250 (1975-09-01), Loeb
patent: 4141825 (1979-02-01), Conger
patent: 4944882 (1990-06-01), Ray et al.

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