| 摘要 |
<p>The filtration apparatus of the invention includes a filtration member 12 which has a ribbon-like suspended-solid-capturing member for capturing suspended solid present in fed treatment water 1, wherein the filtration member is charged in a filtration tank 11 such that a filtration portion of the filtration tank has a percent void of 50 to 95% during passage of the treatment water.</p> |
