| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a water treating apparatus which efficiently performs anaerobic treatment in an anaerobic treatment tank. <P>SOLUTION: The water treating apparatus 1 is provided with: a support which has a vertically long shape and is fixed to the inside of the anaerobic treatment tank (a fiber rocking filter bed tank 20); two or more string-like filter media, a part of each of which is fixed to the support and which are arranged in a vertical direction; and a sewage circulation section (a pump 24 for circulation in the tank and transportation) which circulates sewage upward in the vertical direction in the anaerobic treatment tank. When average sewage amount treated in a day by the water treating apparatus 1 is 1Q, sewage of ≥2Q is circulated in the anaerobic treatment tank. <P>COPYRIGHT: (C)2012,JPO&INPIT |
