| 摘要 |
<P>PROBLEM TO BE SOLVED: To control the film contamination of a membrane separation module, and to reduce the cleaning frequency in an anaerobic treating tank which performs the anaerobic treating of an organic wastewater, and a wastewater treatment apparatus which performs the aerobic treating of the treatment liquid of the anaerobic treating tank and solid-liquid separates by a membrane separation module to obtain a treated water. <P>SOLUTION: In the anaerobic treating tank 1 which performs the anaerobic treating of an organic wastewater, and a wastewater treatment apparatus which performs the aerobic treating of the treatment liquid of the anaerobic treating tank 1 by an aerobic treating tank 2, and solid-liquid separates by a membrane separation module 4 to obtain a treated water; an organic matter other than the treatment liquid of the anaerobic treating tank 1 is added to the aerobic treatment tank 2. <P>COPYRIGHT: (C)2013,JPO&INPIT |
