| 摘要 |
PROBLEM TO BE SOLVED: To obtain a water quality control device which can control content of minerals according to liking of a user. SOLUTION: A control device 18 which controls amount of treated water after removing treatment by a pre-removing treating device 3 and a main removing treating device 5 and also controls addition amount of an additive 7e by a component adding device 7, is positioned. Otherwise a control device 20 which measures a flow rate of treated water after removing treatment by the pre-removing treating device 3 and the main removing treating device 5 and controls addition amount of the additive 7e by the component adding device 7 according to the flow rate, is positioned. Thereby, according to liking of the user, content of minerals can be controlled. COPYRIGHT: (C)2005,JPO&NCIPI
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