waste water engineering Secondary treatment (Biological treatment) Unit based on aerobic treatment 1. Trickling filter 2. Activated sludge process 3. Oxidation pond Unit based on anaerobic treatment 1. Septic tank 2. Imhoff tank 3. USAB Reactors Aerobic treatment of waste water 1. Suspended culture system In suspended culture system, Biomass is an suspension in the liquid containing organic matter. E.g. Activated sludge process. 2 Attached culture system In Attached culture system, biomass is attached to medium and sewage containing organic matter is passed through medium. E.g. Trickling filter, Rotating biological contactors, Biotowers etc. @Technical_civil 5.1K viewsedited 10:55
