Aimed at a black and odorous river water treatment project in eastern Hebei Province, the pilot study on treatment of black and odorous river water was performed using the combined process of aeration, microorganism and constructed wetland. After two-month operation, even when the influent concentrations of pollutants are high and the wastewater quality is unstable, the system has better pollutants removal effect. The concentrations of COD, NH3 -N and TP are decreased from 519 mg/L, 11.5 mg/L and 6.5 mg/L to 33 rag/L, 1.5 mg/L and 0.25 mg/L res...
