| According to the water pollution characteristics in Ping Shan river, the integrity technology of waste water enhanced
treatment in river system was studied based on the water continuous purification system, which consisted of the pre-treatment unit,biological treatment unit, sediment unit and advanced purification unit. The results showed that the average removal rates of COD, TP, TN and NH3-N by the system are 48.19%, 67.93%, 70.09% and 80.15%, respectively. Most of the concentration of each index of water could reach the five class of National surface water standard except some volatility index. This system not only makes the river get effective treatment, but also ensures the functions of river and alleviates the inadequacy of ability of sewage treatment plant. Meanwhile, the wetland landscape can improve the ecological environment of the river. Thus, this system has great development potentiality and good development prospect in the area of cleaning up the river environment. |
