FIELD: ecology, sewage treatment.
SUBSTANCE: invention relates to a device used for biological treatment of sewage and can be used in cleaning units in dwellings. In the process of clearing separated water if pumped out from the separating process in definite time intervals and sedimentation is disturbed by intensive stirring and then the sedimentation process is continued. Device is fitted with agent for intensive stirring installed in the secondary settling tank and with pump for reducing level in reservoir up before onset of the sedimentation disturbance. Invention prevents entering active slime to cleared water.
EFFECT: improved and enhanced effectiveness of treatment.
6 cl, 5 dwg
