流域水环境综合治理技术体系研究:以兆河流域为例
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摘要
采用中国电建集团已形成的"以水环境改善为核心,以水资源保障、水生态修复为重点的五位一体综合治理技术体系"研究成果,以环巢湖的兆河流域为例,基于污染物总量控制、生态基流和水生态系统平衡分别确定水环境改善方案、水资源保障方案和生态修复方案,并评价工程实施后水质达标状况。结果表明:兆河流域污染源贡献量最高的类型为城镇生活源,污染负荷最高的小流域为县河;流量在75%保证率下兆河流域COD、NH_3-N、TP和TN的水环境容量分别为5438. 61,370. 42,70. 76,367. 50 t/a;县河流域污染负荷削减分配量最高;水环境、水资源和水生态措施实施后,兆河流域污染负荷低于水环境容量限值。
In this study,the Power China's research results of the "taking the water environment improvement as the core,the five-in-one comprehensive management technology system focusing on water resources protection and water ecological restoration"was applied for treating of Zhaohe River Basin in Huanchaohu. Pollution gross control,ecological base flow and water ecosystem balance were used to determine water environment improvement plan,water resources guarantee plan,and ecological restoration plan,respectively. Moreover,the water quality compliance status was evaluated after the implementation of the project. The results showed that the type of pollution source with the highest pollution contribution in the Zhaohe River Basin was the urban life source,and the small watershed with the highest pollution load was the Xianhe River Basin. The water environment capacity of the COD,NH_3-N,TP and TN in the Zhaohe River Basin at the 75% guarantee rate were 5438. 61 t/a,370. 42 t/a,70. 76 t/a and 367. 50 t/a,respectively. The Xianhe river basin had the highest pollution load reduction. In addition,the implementation of the water environment,water resources and water ecological measures made the pollution load of the Zhaohe river basin lower than the water environment capacity limit.
In this study,the Power China's research results of the "taking the water environment improvement as the core,the five-in-one comprehensive management technology system focusing on water resources protection and water ecological restoration"was applied for treating of Zhaohe River Basin in Huanchaohu. Pollution gross control,ecological base flow and water ecosystem balance were used to determine water environment improvement plan,water resources guarantee plan,and ecological restoration plan,respectively. Moreover,the water quality compliance status was evaluated after the implementation of the project. The results showed that the type of pollution source with the highest pollution contribution in the Zhaohe River Basin was the urban life source,and the small watershed with the highest pollution load was the Xianhe River Basin. The water environment capacity of the COD,NH_3-N,TP and TN in the Zhaohe River Basin at the 75% guarantee rate were 5438. 61 t/a,370. 42 t/a,70. 76 t/a and 367. 50 t/a,respectively. The Xianhe river basin had the highest pollution load reduction. In addition,the implementation of the water environment,water resources and water ecological measures made the pollution load of the Zhaohe river basin lower than the water environment capacity limit.
引文
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[2]中华人民共和国生态环境部．2018中国生态环境状况公报[R]. 2018.
[3]余启辉，吴从林，李彬彬，等．流域水环境综合治理规划思路浅析[J]．水资源研究，2019,8(1):67-73.
[4]王民浩．水环境治理技术:深圳茅洲河流域水环境治理实践[M]．北京:水利水电出版社，2019.
[5]贾玲玉．城市水污染控制与水环境综合整治策略探究[J]．污染与防治，2019(4):59-61.
[6]张茂林．城市流域水环境综合治理思路和策略探究[J]．发展与创新，2019,13:238-241.
[7]王文周，熊伟．城市河道水环境生态综合治理研究[J]．中国高新科技，2018,24:115-117.
[8]刘学军．多方位生态修复技术在河道水环境治理工程的应用[J]．水利规划与设计，2018(6):49-52.
[9]赵孟伟，赵梦霞，皇甫明夏．城市河流综合治理技术[J]．河南水利与南水北调，2018(6):27-32.
[10]赵鑫．环渤海地区生态环境综合治理措施研究[J]．节能与环保，2019(8):37-40.
[11]张利民，刘洋，孙卫红，等．太湖流域漕桥河小流域水环境容量估算及污染物削减分配[J]．湖泊科学，2009,21(4):502-508.
[12]李亚婷．浙江省经济增长与水环境污染的关系研究[J]．湖北农业科学，2019,58(7):136-140.
[13]王晨，李婧，赖文蔚，等．海口市美舍河水环境综合治理系统方案[J]．中国给水排水，2018,34(12):24-30.
[14]杨潞，孙雷．黑臭水体整治工程中控源截污技术探讨[J]．科技创新与应用，2019(10):144-145.