| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a water treatment system which can remove impurities contained in raw water when using tap water, well water, rain water or the like as the raw water, therefore, can secure good quality of water as drinking water and daily life water even when safe water is difficult to be secured upon natural disaster or the like, and can reduce the amount used of detergent and can efficiently use daily life water. <P>SOLUTION: The water treatment system comprises: (a) a raw water tank for storing raw water; (b) a water cleaning part which includes a pretreatment filter, a pretreatment carbon filter, a water demineralizing filter (ion exchange membrane), a reverse osmosis membrane filter and a posttreatment carbon filter, connected in series, and cleans water in the raw water tank; (c) a clean water utilizing part which uses water in the water cleaning part as indoor daily life water; (d) a clean water and discharge water supplying pipe which supplies discharge water of the reverse osmosis membrane filter to the raw water tank or a discharge water tank; and (e) a clean water and discharge water utilizing part which uses water in the discharge water tank for daily life water separate from the clean water utilizing part. <P>COPYRIGHT: (C)2013,JPO&INPIT |
