长沙地区水中新兴污染物现状调查及风险评价  

Investigation and Risk Assessment of Emerging Pollutants in Water Environment in Changsha Area

作　　者：邹高龙 刘志文 董洁平[2] 卜跃先 杨静楠 陈浩 安贞煜 凌尚 王冬波[3] ZOU Gao-long;LIU Zhi-wen;DONG Jie-ping;BU Yue-xian;YANG Jing-nan;CHEN Hao;AN Zhen-yu;LING Shang;WANG Dong-bo(Hunan Hydro & Power Design Institute,Hunan Changsha 410007;Hunan Provincial Water Resources Department,Hunan Changsha 410007;College of Environmental Science and Engineering,Hunan University,Hunan Changsha 410082,China)

机构地区：[1]湖南省水利水电勘测设计研究总院,湖南长沙410007 [2]湖南省水利厅水资源处,湖南长沙410007 [3]湖南大学环境科学与工程学院,湖南长沙410082

出　　处：《广州化工》2019年第20期126-131,165,共7页GuangZhou Chemical Industry

基　　金：国家自然科学基金项目(51779089);湖南省水利厅水利科技项目

摘　　要：以长沙地区几个典型河流作为研究对象,分析了其不同季节下的污染物(特别是新兴污染物)浓度分布水平,并以长沙地区检测出的主要新兴污染物三氯卡班为代表,研究了三氯卡班长期暴露对硝化反硝化菌的影响.结果表明3个水域水体中均有不同种类的有机污染物检测出,其中三氯卡班、邻苯二甲酯和环戊硅氧烷是检出率比较高的三类物质,平均含量高于5μg/L;三氯卡班对水体自净生物过程有不利影响,降低了水体对氮的去除效率.The concentration distribution of pollutants (especially emerging pollutants ) in different seasons was analyzed, and Ticlocarban was chosen to study its effect on nitrification and denitrification. The results showed that many organic pollutants were detected in the river, and the distribution of these pollutants was closely in connection with surrounding environment. Ticlocarban (TCC ), benzoic acid and cyclopentyloxane were the three highest detection substances with average content>5 μg/L. TCC had adverse effects on the biological process in SBR systems, and reduced the removal efficiency of nitrogen in the system.

关 键 词：城区河流 水体污染 污染特征 三氯卡班 生物脱氮 

分 类 号：X522[环境科学与工程—环境工程]