EDI是一種將離子交換技術、離子交換膜技術和離子電遷移技術相結合的純水制造技術。它巧妙的將電滲析和離子交換技術相結合，利用兩端電極高壓使水中帶電離子移動，并配合離子交換樹脂及選擇性樹脂膜以加速離子移動去除，從而達到水純化的目的。

Brief introduction：

      EDI is a kind of pure water manufacturing technology which combines ion exchange technology, ion exchange membrane technology and ion exchange technology. It cleverly the electrodialysis and ion exchange technology combination, using electrodes at both ends of the high pressure of the movement of charged ions in water, and with the ion exchange resin and the selectivity of the resin film to accelerate the mobile ions removal, so as to achieve the purpose of purified water。

工作原理

      （1）水進入 EDI 系統，主要部分流入樹脂 / 膜內部，而另一部分沿模板外側流動，以洗去透出膜外的離子。

      （2）樹脂截留水中的溶存離子。

      （3）濃縮了的離子從廢水流路中排出。

      （4）無離子水從樹脂 / 膜內流出。

      （5）無離子水從樹脂 / 膜內流出。

working principle：

      （1）Water into the EDI system, the main part of the flow into the resin / film inside, while the other part of the flow along the outside of the template, to wash away from the outside of the membrane。

      （2）The soluble ions in the water。

      （3）The cation is through a cation membrane, which is discharged from the resin / film。

      （4）he concentration of ions is discharged from the waste stream。

      （5）No ion water flows out of the resin / film。

設備優點

      （1）水質穩定

      （2）容易實現全自動控制。

      （3）不會因再生而停機。

      （4）不需化學再生。

      （5）運行費用低。

Equipment advantages

      （1）Stability of water quality

      （2）Easy to implement automatic control。

      （3）Will not be shut down due to regeneration。

      （4）Chemical regeneration is not required。

      （5）Low operating cost。

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