Asahi Glass Company, Limited

Glegg Water Conditioning, Inc.

Other

Ashai Glass Company, Limited

Ken Komatsu

Ichiro Terada

Kazuo Umemura

Junjiro Iwamoto

Mark Philip Huehnergard

Tohru Hoshi

David Florian Tessier

Ian Glenn Towe

Hiroshi Toda

Haruhisa Miyake

Iku Saito

An apparatus for producing deionized water consisting essentially of an electrodialyzer having cation exchange membranes and anion exchange membranes alternately arranged between a cathode and an anode to form demineralizing compartments and concentrating compartments, and ion exchangers accommodated in the demineralizing compartments, wherein a pressure of from 0.1 to 20 kg/cm,is exerted between the ion exchangers accommodated in the demineralizing compartments and the cation exchange membranes and anion exchange membranes defining the demineralizing compartments.

Method and apparatus for producing deionized water

An apparatus for producing deionized water comprising an electrodialyzer having cation exchange membranes and anion exchange membranes alternately arranged between a cathode and an anode to form demineralizing compartments and concentrating compartments, and ion exchange resin particles packed in the demineralizing compartments, wherein the ion exchange resin particles are a mixture of at least two groups of ion exchange resin particles having a particle size distribution such that particles having particle sizes of from 75 to 125% of the average particle size, are at least 85 wt % of the total amount, and the average particle size of a group of ion exchange resin particles having the maximum average particle size, is at least 1.5 times the average particle size of a group of ion exchange resin particles having the minimum average particle size.

Apparatus for producing deionized water

Porous ion exchanger and method for producing deionized water

Growing community of inventors

Yokohama, Japan

Ken Komatsu