生态滤池中污染物去除与出水中溶解氧的关系研究  

Study on the relationship between pollutant removal anddissolved oxygen in the effluent in the ecological filter

作　　者：陈登美 朱彬 康媞 Chen Dengmei;Zhu Bin;Kang Ti(Guizhou Institute of Environmental Scientific Research and Design,Guiyang 550081)

机构地区：[1]贵州省环境科学研究设计院,贵阳550081

出　　处：《环保科技》2020年第3期8-11,共4页Environmental Protection and Technology

基　　金：贵州省科技支撑计划课题(黔科合支撑[2017]2859);黔科合平台人才[2017]5714。

摘　　要：生态滤池是一种利用填料、植物和微生物协同作用的人工生态污水处理技术,具有占地面积小、填料易于获取、运行成本低等优点。为进一步为生态滤池在贵州省农村污水处理工程推广应用提供参考,本文研究了水力负荷在0.8~0.9 m^3/m^2·d条件下三种植物组合(美人蕉、旱伞草、美人蕉+旱伞草)的生态滤池污染物去除与出水中的溶解氧关系。试验表明,三种植物组合生态滤池COD和NH 3-N去除率与出水中的溶解氧呈正相关,而TN由于反硝化菌种类的多样性,无明显的相关性。The ecological filter is an artificial ecological wastewater treatment technology that utilizes the synergistic effect of fillers,plants,and microorganisms.It has the advantages of small area of land use,easy access to fillers,and low operating costs.In order to further provide a reference for the popularization and application of ecological filters in rural sewage treatment projects in Guizhou Province,this paper studies the relationship between removal of pollutants in the ecological filters of three plants and the dissolved oxygen in the effluent under a hydraulic load of 0.8-0.9 m ^3/m^ 2·d.The experiment showed that the removal rates of COD and NH 3-N of the three plants were positively correlated with dissolved oxygen in the effluent,but TN had no obvious correlation due to the high diversity of denitrifying bacteria.

关 键 词：生态滤池 农村污水 污染物去除率 溶解氧 

分 类 号：X505[环境科学与工程—环境工程]