洞庭湖区湿地处理城镇污水可行性分析.pdfVIP

第 16 卷增刊 城市环境与城市生态 Vol 16 ,Suppl 2003 年 6 月 URBAN ENVIRONMENT URBAN ECOLOGY Jun. 　2003 15 洞庭湖区湿地处理城镇污水可行性分析 胡茂永 ,刘春平 ,吴甫成 (湖南师范大学资源与环境科学学院 ,长沙 　410081) 　　摘要 :在阐述国内外湿地治污技术应用的基础上 ,对湿地系统治污的效益进行探讨和分析 ,可知湿地治污具有 高效率、低投资、低运行费和低维持技术等优点。洞庭湖是我国第二大淡水湖和最大的湿地生态保护区。近年来 , 国家在该区实行退田还湖、移民建镇以及平垸行洪等工程。本着高效、节约的原则以及根据湖区的实际情况 ,提出 利用自然 - 人工复合湿地来处理湖区生活污水是目前最佳选择方案。 关键词 :湿地 ;洞庭湖区 ;城镇污水 ;处理 ( ) 中图分类号:X703 　　文献标识码 :A 　　文章编号 :1002 - 1264 2003 增 - 0015 - 03 Feasibility Study on Sewage Treatment of Dongting Lake with Wetlands HU Maoyong ,LIU Chunping ,WU Fucheng (Department of Resource Environment , Hunan Normal University , Changsha 　410081 ,China) Abstract :Based on the experiences of sewage treatment with wetland in home and abroad , the paper emphatically analyzed the efficiency of treatment with wetlands eco - system and found that constructed wetlands have the advan tages of low investment cost , low energy , low operation cost , high efficiency , easy handling and so on. Dongting Lake is the second largest lake and the biggest of wetland eco - system conservation area in China. In recent years , our government has been carrying out many projects in the area , for instance , recovery , immigrating and so on. On the principles of efficient and economical and the facts of Dongting Lake , the paper proposed that application of con structed - natural wetland for sewage treatment be the optimal plan and have wide prospect in the future of Dongting Lake area. Key words :wetland ; Dongting Lake ; sewage , treatment