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当前位置: 首页 > 文章 > 雨水回用于人工湖的水质安全评价 节水灌溉 2018 (7) 46-50
Position: Home > Articles > Water Quality Safety Evaluation of Rainwater Reused for Artificial Lake Water Saving Irrigation 2018 (7) 46-50

雨水回用于人工湖的水质安全评价

作  者：
张肖;金星龙
单  位：
天津理工大学环境科学与安全工程学院
关键词：
雨水;人工湖;水质检测;常规指标;生物毒性指标;模糊综合评价法
摘  要：
雨水回用于景观用水能有效缓解城市水资源短缺状况,相应的水质检测评价对于水资源的可持续利用具有重要意义。以天津某大学人工湖为研究对象,对3场降雨前后水质进行了p H、电导率、浊度、总磷、总氮、化学需氧量、发光菌急性毒性和SOS/umu遗传毒性的检测。为将测得的8项指标综合到水质评价系统中,对传统模糊综合评价法进行了一定改进。评价结果为:降雨前人工湖水质评分分别为0.174、0.187、0.181,降雨后人工湖水质评分分别为0.148、0.153、0.156,人工湖水质整体呈现雨后优于雨前的规律。说明雨水经过一定处理后回用于人工湖能够改善湖水水质,达到一定的经济和生态效益。
译  名：
Water Quality Safety Evaluation of Rainwater Reused for Artificial Lake
作  者：
ZHANG Xiao;JIN Xing-long;College of Environmental Science and Safety Engineering,Tianjin University of Technology;
关键词：
rainwater;;artificial lake;;water quality test;;general indicator;;biological toxicity indicators;;FCEM
摘  要：
The reuse of rainfall to landscape can efficiently ease water shortage. It is of great significance to evaluate the water quality for the sustainable use of water. In this study,taking the artificial lake in Tianjin University as the research object,the water quality before and after the three rains was tested. The detection indexes mainly included p H,conductivity,turbidity,total phosphorus,total nitrogen,chemical oxygen demand,acute phototoxicity and SOS/umu genotoxicity. At the same time,in order to integrate the eight indicators into the water quality evaluation system,the traditional fuzzy comprehensive evaluation method( FCEM) was improved. The evaluation results are as follows:the artificial lake water quality scores before rain is 0. 174,0. 187,0. 181 respectively,and that after rain is 0. 148,0. 153,0. 156,respectively; the overall artificial lake water quality after rain is better than that before rain. It shows that the preliminary treated rainwater reuse to the artificial lake can optimize the water quality of the lake and achieve certain economic and ecological benefits.

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