| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent generation of scale in both an ion exchanging membrane and a To prevent generation of scale in both ion exchanging membranes and a negative electrode. <P>SOLUTION: An electric deionized water making apparatus has an negative electrode chamber E1 where the negative electrode 2 is arranged, a positive electrode chamber E2 where a positive electrode 3 is arranged, a plurality of condensing chambers C arranged between the negative electrode chamber E1 and the positive electrode chamber E2, and at least one desalinating chamber D1, the negative electrode chamber E1 is formed between the negative electrode 2 and an anion exchanging membrane a1 facing the negative electrode 2, the condensing chamber C1 are formed between the anion exchanging membrane a1 and a cation exchanging membrane c1 facing the anion exchanging membrane a1, the condensing chamber C2 serving also as the positive electrode chamber E2 is formed between the positive electrode 3 and the anion exchanging membrane a2 facing the positive electrode 3, the desalinating chamber D1 is next to the condensing chamber C2 via the anion exchanging membrane a2, the deionized chamber D1 is filled with an anion exchanging body, water from which cation components are removed in advance is fed to the condensing chamber C2, and water having passed through the condensing chamber C2 is fed to the negative electrode chamber E1 as electrode water. <P>COPYRIGHT: (C)2013,JPO&INPIT |
