This sewage treatment plant is located in Tacheng, Xinjiang. The wastewater treated is part of the domestic sewage and tomato paste production wastewater in Tacheng area. The daily sewage treatment capacity is 40,000 tons. After the transformation, the sewage treatment reaches the "Pollutant Discharge Standard for Urban Sewage Treatment Plants" (GB18918- 2002) Level B standard. The main treatment process of "Karusai Oxidation Ditch" is adopted.