C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/469 (2006.01) B01D 61/48 (2006.01) B01J 47/08 (2006.01) C02F 1/46 (2006.01)
Patent
CA 2232332
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.
Huehnergard Mark Philip
Iwamoto Junjiro
Komatsu Ken
Terada Ichiro
Umemura Kazuo
Asahi Glass Company Ltd.
Glegg Water Conditioning Incorporated
Smart & Biggar
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