| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a water purification apparatus capable of keeping the inside sanitary while suppressing energy consumption. <P>SOLUTION: The water purification apparatus 1 is provided with: a purification unit 10 for producing purified water by purifying raw water; an ozone production unit 60 for producing an ozone gas that contains a bactericidal component; an ozone circulation unit 70 for circulating the ozone gas; a purified water holding unit 40 that is arranged in a secondary side channel 12 positioned in the downstream of the purification unit 10, for holding the purified water; and a circulation channel 50 that is branched off from the purified water holding unit 40 or from a channel positioned in the downstream of the purified water holding unit 40 and communicated from a branched point to an upstream side. The ozone circulation unit 70 has the ozone gas produced by the ozone production unit 60 pass through the purified water holding unit 40 and then flow into the circulation channel 50. <P>COPYRIGHT: (C)2013,JPO&INPIT |
