文档介绍：Qinghai University Master Dissertation Study on rural sewage treatment in alpine areas Supervisor: Candidate: ZhuKang Academic Major Applided for:Hydrology and water resources Specific Major: Optimal allocation of water resources College (Department):Institute of water Conservancy and Electric Power October,2013—March, 2015 青海大学硕士学位论文摘要 I 摘要随着社会的日益发展,旱厕的数量大量减少,水冲厕所成为主流,再加上农村绿色肥料逐渐被化肥取代,导致粪便污水急剧增加,而农村又缺乏配套的污水处理设施与排水管网,一般仅采用化粪池进行简易的处理,难以达到相应的排放要求,有些村落甚至直接排放入地表水体,造成环境污染。本文在已有的污水处理技术的基础上寻求一种在处理效果、投资、管理等方面都适合于高寒地区农村的污水处理技术,在对比分析了各种处理技术之后, 得出土壤地下渗滤系统能够满足要求。在参阅各种有关土壤地下渗滤系统的资料后,设计了一套地下渗滤系统并在西宁进行了土壤地下渗滤系统的室内实验研究,并以玉树州玉树县巴塘乡“八吉”示范村为例,对其进行农村生活污水处理工艺的典型设计。研究表明: ①系统熟化后各项指标去除效果都比较好,能够达到预期的处理效果。②随着水力负荷的升高系统对有机物、总氮、氨氮的去除能力减弱;系统对TP、SS的去除效果与水力负荷的大小相关性弱。③系统具有比较强的稳定性和抗冲击的能力。④系统对TP、SS的处理效果几乎不受温度影响。⑤系统温度对COD、TN、NH 4 +-N的去除效果起到关键性的作用,温度越低处理效果越差。关键词:高寒地区农村污水地下渗滤技术青海大学硕士学位论文 Abstract II Abstract With the developmentof our socity,the number of squat toilet e less and less. Followed by the sharp rise of the flush toilets,in addition to the green fertilizer be replaced by chemical fertilizer,the number of fecal sewagehas , there are not enough sewage disposal facilities and drainage pipelines in rural area, only use septic tank to treat villages,rural effluent was discharged directly into the river,which can cause the environmental pollution. This paper based on the exiting sewage treatmentto find a rural domestic sewage treatment in alpine areas which have the feature of good water treatment,low small investment and convenient in pared and analyzed many treatment technologies draws the conclusion that subsurface wastewater infiltration systemmeats referingto various kinds of papersabout subsurface wastewater infiltration system,an experiments system was Yushu county Baji village as an example,designed a tippical ptocess about rural domestic sewage. Research h