| 摘要 |
PROBLEM TO BE SOLVED: To remove heavy metals and supply safe and tasty water by providing the purifier with a filtration part filled with an aluminosilicate-based inorganic ion exchanger, a weakly acidic ion exchanger, and activated carbon. SOLUTION: Raw water (tap water) is pneumatically supplied to a first filtration part 2 through an inlet 6 from the outside of an outside container 1. In this case, the first filtration part 2 is constituted by filling space between a frame made of plastic and a first nylon net 5 and between the frame and a second nylon net 3 with an aluminosilicate-based inorganic ion exchanger, a weakly acidic ion exchanger, and an adsorbent layer 4 of activated carbon. Consequently, heavy metals in raw water are removed by adsorption by bringing the raw water into contact with the adsorbent layer 4 when the raw water flows through the first filtration part 2. Next, the resultant water passes a water distributing pipe 12 and led to a second filtration part 7 provided with a porous hollow fiber membrane 8 made of a plurality of hollow fibers and at the time when the raw water passed through the second filtration part 7, microbe and other finely small suspended solids are filtered and then the resultant water is discharged as filtered water through a discharging outlet 11. |
