| 摘要 |
<p>PURPOSE:To provide a sanitary sewage treating device. In this device, a sedimentation/separation tank is provided at the outer circumference of a biological membrane producing tank, whose central part is perforated by an air lift pipe. And numbers of inclined plates are provided in the sedimentation/separation tank. Therefore, the removal of biological membrane, etc., which have been peeled at the biological memberane producing tank, can be easily performed.</p> |
