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    • 3. 发明专利
    • ELECTRICAL DEVICE FOR PRODUCING DEIONIZED WATER AND DRIVING METHOD THEREOF
    • JP2009125738A
    • 2009-06-11
    • JP2007307192
    • 2007-11-28
    • ORGANO KK
    • TAJIMA NAOYUKIASAKAWA TOMOJI
    • C02F1/469B01D61/44B01D61/48B01D61/54
    • PROBLEM TO BE SOLVED: To provide an electrical device for producing deionized water capable of maintaining high treating ability even when the concentration of silica or the like is high, the treatment load is turned to be high and the removal efficiency is deteriorated because of low temperature of water. SOLUTION: Desalting chambers D1 to D4 are arranged between a cathode 32 and an anode 30. Each desalting chamber has a cation exchange membrane 10 of one side, an anion exchange membrane 14 of the other side and an intermediate ion exchange membrane 12, whereby a first small desalting chamber d1, d3, d5, d7 and a second small desalting chamber d2, d4, d6, d8 are divided. One of a multilayer body of a cation exchange body, a mixed body of anion exchange body and anion exchange body and a cation exchange body, and a multilayer body of anion exchange body and cation exchange body is filled into the first small desalting chamber. Anion exchange body or a multilayer body of anion exchange body and cation exchange body is filled into a second small desalting chamber. Concentration chambers 20a to 20c in which anion exchange body is filled are disposed on both sides of the desalting chamber. COPYRIGHT: (C)2009,JPO&INPIT