| 摘要 |
PROBLEM TO BE SOLVED: To provide ion-exchange equipment, which can be installed and used, while making the most of target performance, even if water-passing pressure and installation space are limited. SOLUTION: The ion-exchange equipment is provided with a container filled with ion-exchangers. A plurality of ion-exchanger layers are provided parallel to the direction of flow of a to-be-treated liquid. COPYRIGHT: (C)2003,JPO
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