再生水补给永定河生态用水的环境影响及保障关键技术研究  

Environmental impact of recycled water to Yongding River for ecological use and key technology study

作　　者：李云开[1,2] 杨培岭[1] 刘培斌[3] 林健[4] 李建民[5] 郑凡东[6] 刘澄澄[1] 姜银光 

机构地区：[1]中国农业大学水利与土木工程学院,北京100083 [2]中国科学院生态环境研究中心城市与区域生态国家重点实验室,北京100085 [3]北京市水利规划设计研究院,北京100048 [4]北京市水文地质工程地质大队,北京100195 [5]北京市环境科学研究院,北京100037 [6]北京市水利科学研究所,北京100044 [7]北京市昌平区水务局北七家水务站,北京102209

出　　处：《中国水利》2012年第5期30-34,共5页China Water Resources

基　　金：973计划课题(2006CB403402);北京市科技计划项目(D090409004009004);水利部公益性行业科研专项经费项目(201001067)

摘　　要：水是城市河湖水系生态与环境治理核心和关键,利用再生水补充河湖生态用水已成为缓解城市河湖生态危机问题的有力措施之一。再生水中含有的大量营养盐分、微量有机污染物、固体悬浮微粒和微生物,可能使回用区及临近区域水生态环境面临一定的污染风险。在对国内外将再生水回用于景观生态环境用水的应用现状,以及地表水—包气带—地下含水层系统对再生水中污染物的自净及削减作用进行阐述的基础上,重点对再生水回用于河湖景观生态用水存在的主要问题进行了分析,提出了再生水补给永定河生态用水目前急需解决的技术问题与研究重点,为永定河绿色生态走廊建设规划的顺利实施以及再生水回用于河湖景观用水研究提供参考依据。Water is the key element of city river and lake system and the core of environment improvement. Use of recycled water to replenish river and lake for ecological use has been an effective measure for alleviating water shortage in the city. However, there are pollution risks prone to the water body because the recycled water may content large amount of salt, small amount of organic pollutant and suspended solid and microorganism. Studies are made on the technical issues related to recycled water for river and lake ecological use, on the basis of discussions on practical application of this measure home and abroad and the self-purification and reduction function of surface water-aeration zone-groundwater aquifer to the recycled water. It may provide a base for the implementation of green ecological corridor in the Yongding River and further study on recycled water use.

关 键 词：永定河 再生水 生态用水 影响 保障 

分 类 号：X171[环境科学与工程—环境科学]