INSTALLATION FOR BIOLOGICAL PURIFICATION OF SEWAGE Russian patent published in 2004 - IPC

FIELD: biological purification of sewage in the water preservation measures; lands drainage and watering in the land reclamation operations. SUBSTANCE: invention presents an installation for biological purification of sewage and may be used for the water preservation practices at conducting the drainage and watering meliorations, for decontamination of a surface water runoff and in the systems for an afterpurification of industrial waste waters. The installation for biological purification of sewage and industrial waste waters contains a pipeline of the sewage \ waste waters intake, a settler with a distributing trough, walls of which are made in the form of the gear-type spillway; a pipeline taking the running liquid off into a basin with a nonfilterable bottom, on which a filtering loading with a planting of the supreme water plants is located; the free-running liquid drains located in the grounding of the basin; a well with the device regulating a water level in the basin. EFFECT: improved quality of sewage and industrial waste water purification and high efficiency of the installation operation. 2 cl, 2 dwg