城市污水处理厂排放物的污染与治理

Pollution and treatment of the pollutant from urban sewage plant

介绍了我国城市污水处理的现状及发展趋势,针对目前污水处理厂排放物对环境的污染逐一进行了分析。阐述了建设封闭花园式污水处理厂来消除恶臭影响的解决对策;对于污泥污染环境的问题,详细地介绍了污泥资源化利用即对污泥进行堆肥、热干化和焚烧的治理方法;针对污水处理厂排出水水质达不到《城镇污水处理厂污染物排放标准》(GB18918-2002)中的排放标准的问题,论述了以采用生物脱氮除磷处理工艺提高出水水质和污水深度处理后再生利用为核心的治理措施。

This article introduces the current situation of urban sewage treatment and its possible trends in China. It also analysis some kinds of poilutams. It also suggests using closed sewage plant to deal with effluvium. As for the mud poUution, it proposes using mud to make compost and burning the mud to reduce pollution. In the case of the drainage isn＇t qualified for 〈 Standards of pollutant from sewage plant 〉 （GB18918 - 2002）, some measures can be taken, such as improving water quality through getting rid of nitrogen and phosphorus. Besides, reusing the water that has already been well treated can be another solution.