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Priority to BG8091287ApriorityCriticalpatent/BG51711A1/en
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Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals
(AREA)
Abstract
This system is used for pre-treatment of sewage prior to purification. It allows for a complete reaction of the biodegrading anaerobic and aerobic activated sludge resulting in an increased technical and economic efficiency of the equipment. The system consists of sewers (2, 10, 11) equipped with pairs of sections (5, 6) and aeration shafts (13) connected to aeration devices (14).