According to the inquiry of Changsha Wang Tong High-tech Water Co., Ltd. and China Survey and Design Association, the water treatment process of Changsha Wang Tong High-tech Water Co.
2, the design scale of the project is 21,000 cubic meters of sewage treatment per day, using advanced sewage treatment equipment.
3, the main process of the project's plant using Carusel oxidation ditch treatment process, after treatment of sewage water quality emission standards for "urban sewage treatment plant pollutant discharge standards" (GB18918-2002) a B standard.
4, Carrousel oxidation ditch treatment process is a biofilm method, the use of microorganisms attached to the surface of the filler to form a biofilm, through aeration and mixing to provide oxygen and nutrients to achieve the removal of organic matter and nitrogen.