无性系柳床人工湿地技术在农村生活污水处理中的应用

摘要

本项目将无性系灌木柳引入人工湿地，构建出一种用于农村生活污水处理的无性系柳床人工湿地技术，并在天津市静海县良王庄乡十里堡村建立示范工程。示范结果表明，该技术对CODCr、氨氮、总氮、总磷的去除率分别可达到88.0%～92.2%、90.4%～91.9%、90.5%～92.2%、92.8%～98.6%，截污减排效果显著。同时，无性系柳替代传统湿地技术的多年生草本植物，进一步降低了湿地系统的管理强度和运行成本，增加了湿地植物的经济效益，为农村生活污水处理提供了经济适用的技术。%This study proposed a new wetland technology by combining the clones-shrub willow and wetland technology to treat rural sewage,and then apply it in the demonstration projects in shilipu village,Liang Wang Township,Jinghai coun-ty of Tianjin. The results show that the interception effect of pollutant is significant with removal rate of COD,ammonia ni-trogen,total nitrogen and total phosphorus varying 88.0%-92.2%,90.4%-91.9%,90.5%-92.2%,and 92.8%-98.6%re-spectively. In addition,this technology proves to be affordable for rural sewage treatment by utilizing clones-shrub willow instead of the traditional perennial herb,it can not only reduce the operating costs and the demanding of wetland manage-ment,but also increase its economic profit.