| 摘要 |
PROBLEM TO BE SOLVED: To provide an ion exchange system capable of developing the stable and desirable capacity of an ion exchange resin to be used over a long period of time at the time of application of ion exchange treatment to a circulating system of a liquid to be treated. SOLUTION: In the ion exchange system, a bypass passage is provided to a circulating system of a liquid to be treated and an ion exchanger is provided to the bypass passage while a valve capable of controlling the passage of the liquid to be treated to the bypass passage is provided, and an electroconductivity detection means and a temperature detection means are provided to the circulating system and a control means for controlling the on-off operation of the valve on the basis of the signals from the electroconductivity detection means and the temperature detection means is provided. |
