公开(公告)号：US20190099750A1

公开(公告)日：2019-04-04

申请号：US16085998

申请日：2017-03-16

Applicant: KURITA WATER INDUSTRIES LTD.

Inventor： Yoichi MIYAZAKI ,  Hideaki IINO ,  Naoki FUKASAWA

IPC: B01J47/022 ,  B01J47/028 ,  B01J49/08 ,  C02F1/42

Abstract: An ion exchange device is used that includes an anion exchange tank, a cation exchange tank and a tower body side portion, in which the anion exchange tank and the cation exchange tank are allowed to communicate by communication means that is arranged around the outside of the anion exchange tank and the cation exchange tank. The ion exchange device also includes supply/discharge pipes for supplying or discharging a liquid to or from an upper portion and a lower portion of the anion exchange tank, and supply/discharge pipes for supplying or discharging a liquid to or from an upper portion and a lower portion of the cation exchange tank. A water collection/distribution member that allows water to pass but prevents passage of an ion-exchange resin is provided in a flat plate.