B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 61/48 (2006.01) B01D 61/52 (2006.01) B01J 47/08 (2006.01) B01J 47/12 (2006.01) C02F 1/42 (2006.01) C02F 1/469 (2006.01) C02F 1/46 (2006.01) C02F 1/461 (2006.01)
Patent
CA 2410149
An electrodeionization apparatus in which enough electric current flows even when a low voltage is applied, so that it can made sufficient deionizing treatment is provided. A cation exchange membrane 3 and an anion exchange membrane 4 are arranged between a cathode 1 and an anode 2, a cathode-concentration compartment 5 is formed between the cathode 1 and the cation exchange membrane 3, an anode-concentration compartment 6 is formed between the anode 2 and the anion exchange membrane, and a desalting compartment 7 is formed between the cation exchange membrane 3 and the anion exchange membrane 4. The cathode- concentration compartment 5 and the anode-concentration compartment 6 each of which is used also as a concentrating compartment are filled with a cation exchange resin 8. The desalting compartment 7 is filled with a mixture of the cation exchange membrane 8 and an anion exchange membrane 9. Raw water is fed into the desalting compartment 7 and taken out as deionized water. Electrode water was fed into the compartments 5 and 6, respectively.
Miwa Masayuki
Sato Shin
Kurita Water Industries Ltd.
Robic
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