COMPACT PLANT FOR CLEANING SEWAGE WATER Russian patent published in 2002 - IPC

FIELD: sewerage systems and sewage works. SUBSTANCE: invention relates to cleaning of sewage water and is designed for biological cleaning and treatment of deposits in sewage water from independent buildings or group dwelling houses located at distance from existing sewage systems. Proposed compact plant for cleaning sewage water has double-tier settler with settling chute, bioreactor with submerged charge and aerating device, all installed in two insulated and coaxially arranged containers. Inner container accommodates double-tier settler with settling ring chute in center of container. Hole is provided in conical part of ring settling chute. Outer container accommodates bioreactor with submerged charge and secondary settler with high porosity filter. Bioreactor is made in form of recirculating oxidizing channel. Submerged charge is arranged in several points over length of bioreactor. EFFECT: improved quality of cleaning of sewage water, simplified mounting and operation of compact plant. 7 cl, 1 tbl, 2 dwg