New sewage treatment plant in China transforms small cities' water quality.
The Huanxing wastewater treatment plant in China uses a suitable technology for small-to middle-sized cities. The plant treats sewage from the city, with a design scale of 30000m3/d. The influent has COD_(Cr) 450mg/L and BOD_5 200mg/L. After treatment, the effluent meets national standards for pollutants in wastewater. The plant has been running smoothly for a year.