| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a compact device capable of performing efficient purification, in a water quality purification device provided with plural treating means. SOLUTION: This water purification device 1 is provided with an ozone treating layer 16 for aerating water to be treated with gas containing ozone, a decomposition layer 15 positioning at the upper part of the ozone treating layer 16 and decomposing the ozone in the gas, and a microorganism treating layer 19 for treating the water to be treated with microorganisms, in a container 2 where the water to be treated is introduced from the lower end and discharged from the upper end.</p> |
