Cascade ion exchange for high purity water production

Details Cascade ion exchange for high purity water production Cascade ion exchange for high purity water production

1997-06-16

1999-12-14

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210685, 210278, 210284, C02F 142

Patent

active

060012625

ABSTRACT:
A method and system for treating and purifying water on site provides a cascade series of alternating cation and anion beds with flow control controlling flow of water in a first direction to flow through all beds in sequence, to purify the water, and controlling back flow through only like ion resin beds to regenerate the resins contained therein. The subject system removes impurities which are ionic and dissolved in the water.

REFERENCES:
patent: 3985648 (1976-10-01), Casolo
patent: 4280912 (1981-07-01), Berry et al.
patent: 4548716 (1985-10-01), Boeve
patent: 5024766 (1991-06-01), Mahmud
patent: 5190659 (1993-03-01), Wang
patent: 5259972 (1993-11-01), Miyamuru et al.
patent: 5259975 (1993-11-01), Mohn

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