The following points highlight the top three methods used for sewage treatment. The methods are: 1. Oxidation Ditch 2. Stabilization Ponds (Oxidation Ponds) 3. Rotating Biological Contactors. Method # 1. Oxidation Ditch: The method of oxidation ditch is essentially an extended aeration activated sludge process. It was developed for the treatment of sewage for small […]