Design and Application Effect of Systematic Treatment of Black and Odorous River in Zhujing Central River, Kunshan

The river channel is an ecological system. The remediation of black and odorous river requires holistic treatment, not only considering the channel itself, but also considering various pollution sources in its catchment area. Aiming at the serious black and odor phenomenon and urban flooding problems in rivers, the mode of source control, ecological management was designed and developed to carry out ecological restoration and treatment of channels. The idea has been implemented in Kunshan Zhujing Central River. Finally, the main indicators of river water quality stably reach level ¢ô of Environmental Quality Standards for Surface Waterª«(GB 3838-2002). At the same time, it relieves flooding problem of the catchment area.