分散式污水生态处理系统及应用  

Efficient home-used decentralized sewagetreatment by combining bio-and eco-engi-neering technologies

作　　者：潘晶[1] 孙铁珩[1] 李海波[2] 

机构地区：[1]东北大学资源与土木工程学院 [2]沈阳大学沈阳市环境工程重点实验室,沈阳110044

出　　处：《安全与环境学报》2007年第1期40-42,共3页Journal of Safety and Environment

基　　金：国家高科技发展计划863项目(2002AA601022);辽宁省教育厅青年基金项目(2005246)

摘　　要：介绍了一种基于生态工程技术的低费用、低能耗的分散式污水处理系统(生物—地下渗滤)。分析了2003—2005年该系统氮、磷去除效果的动态变化特征。结果表明,NH4+-N的去除受温度变化的影响较大,每年7—9月去除效果最好,12月和1—3月去除效果最差;温度对磷的去除影响很小;COD、SS、TP、细菌总数、NH4+-N等污染物的去除率分别达到89.2%±1.4%、86.8%±1.8%、88.2%±3.4%、98.3%±0.1%、62.8%±3.2%,出水水质符合生活杂用水水质标准(CJ251—89)和沈阳市污水处理中水回用标准,处理效果稳定。This paper is mainly to introduce its renovated homesewage treatment system based on the combination of eco-and bio-engineering technologies （biology-subsurface sewage infiltration system）. To evaluate the dynamic features of nitrogen and phosphorous removal, we collected the water samples from 2003 to 2005 and made careful analysis over them. The results of our analysis indicate that NH4^＋ -N reduction displays seasonal variations. The lowest efficient NH4^＋ -N reduction is found to happen during December to March while more efficient reduction occurs during July to September. In contrast, the greatest efficient reduction takes place in August. Thus, it can be shown that NH4^＋ -N removal efficiency proves to be 75. 6%, 77.4%, 78.1% in August from 2003 to 2005, respectively, with its mean removal efficiency being 77.0%. Though seasonal variation of phosphorous reduction seems not as obvious as that of NH4^＋ -N, its reduction efficiency also varies between 85.4% and 96.2% annually. On the one hand, NH4^＋ -N removal is better expected to be carried out by suspended biological floating-bed and, on the other hand, TP removal is expected to be accomplished by subsurface infiltration system. The results gained from our long-time continuous monitoring and controlling observation reveal that the system can effectively be reduced to the output of COD by 89.2% ± 1.4%, NH4^＋-N by 62.8% ± 3.2%, TP by 88.2% ±3.4% and SS by 86. 8% ± 1.8% , with the total number of microbes reduced by 98.3% ± 0.1%. Just as the nitrogen removal efficiency was found to increase from 2003 to 2005, and the phosphorous removal efficiency was found to increase from 2003 to 2004, so it is found to decrease a little bit in 2005. So far the treated effluent with the given method can be made to come up to the standard of living wastewater treatment （CJ 251-89） and the standards of the circulated use of the treated wastewater in Shenyang municipality, the removal effects of this system has been stable and has less influence from

关 键 词：水污染防治工程 生态处理 分散式处理 生活污水 地下渗滤 

分 类 号：X703.1[环境科学与工程—环境工程]