人工湿地处理生活污水研究

A study on domestic sewage treatment using a high-efficiency artificial wetlands system

利用木板、薄膜等材料制作人工湿地处理系统处理污水,研究污水中有机物、NH3-N、TP、COD、SS等的削减水平。通过实验得出以下结论:高效人工湿地对生活污水中TP、NH3-N、COD和SS有较好的处理效果,TP的去除率为80%,NH3-N的去除率在75%左右,COD和SS的去除率都在70%左右,高效人工湿地处理污水的效率受系统运行时间和季节等因素的影响,有一定的波动,波动幅度在20%左右,总体表现出稳定的趋势;从控制效果和系统稳定性两方面综合评价,人工湿地可以用于生活污水的处理处置。

this paper summarizes the removal rates of organic matters,NH3- N,TP,COD and SS in domestic sewage treated by a high- efficiency artificial wetlands system made of materials involving wood and films etc. According to the results from the experiment,following conclusions can be drawn：（ 1） the system has a better treatment effects on TP,NH3- N,COD and SS in domestic sewage with removal rates of 80%,75%,70% and 70% respectively;（ 2） the overall efficiency of the system is stable and fluctuated only in a small range of about 20%,being affected by factors like running time and seasons etc.,and（ 3） the system can be used for domestic sewage treatment when evaluated comprehensively from the views of both control effectiveness and system stability.