不同处理措施对农村生活污水净化效果研究.docx

? ? 不同处理措施对农村生活污水净化效果研究 ? ? 张靖雨 汪邦稳 龙昶宇 张卫 张世杰 赵黎明 Summary [目的]研究不同處理技术的净化效果，探索因地制宜、应用高效的生态综合治理技术。[方法]以农村生活污水为研究对象，通过分析不同处理方式对污染物的净化效果，提出不同生物生态治理措施优化筛选的科学参考。[结果]沟塘内水生植物对TN、NH 4+-N、TP均具有较好的去除效果，停留时间为90 d时平均去除率分别为77.8%、94.3%和78.0%，但对COD Mn去除率仅在35%～40%。厌氧-缺氧-好氧-湿地组合处理工艺中A2/O工艺段对TN、NH 4+-N、TP和COD Mn的平均去除率为23.4%、48.6%、56.3%和30.7%，人工湿地对污水中氮、磷均具有较好的去除效果，出水TN、NH 4+-N浓度分别稳定在0.66和0.25 mg/L，TP浓度基本维持在0.03～0.15 mg/L，对COD Mn的去除效果并不显著，各项污染物指标平均去除率依次为97.7%、89.0%、86.2%和53.1%。[结论]将生物方法和生态工程有机结合的组合处理技术能够达到稳定的脱氮除磷功效，在农村生活污水处理领域具有很高的推广应用价值。 Key 农村生活污水;生态综合治理;A2/O;人工湿地;净化效果 X 799.3 A 0517-6611（2022）02-0211-06 doi：10.3969/j.issn.0517-6611.2022.02.057 开放科学（资源服务）标识码（OSID）： Study on Purification Effect of Different Treatment Measures on Rural Domestic Sewage ZHANG Jing-yu1，2，WANG Bang-wen1，2，LONG Chang-yu1，2 et al （1.Anhui and Huaihe River Institute of Hydraulic Research，Hefei，Anhui 230088;2.Anhui Province Key Laboratory of Water Conservancy and Water Resources，Bengbu，Anhui 233000） Abstract [Objective]To study the purification effect of different treatments，and explore an efficient ecological comprehensive management technology in line with local conditions.[Method]Taking rural domestic sewage as the research object，this paper analyzed the purification effect of different treatment methods on pollutants，and put forward the scientific reference for optimizing and screening different biological ecological treatment measures.[Result]The aquatic plants in the ditch pond had good removal effects on TN，NH 4+-N and TP.When the residence time was 90 d，the average removal rates were 77.8%，94.3% and 78.0%，respectively，but the removal rates of COD Mn were only between 35% and 40%.The average removal rates of TN，NH 4+-N，TP and COD Mn in A2/O process were 23.4%，48.6%，56.3% and 30.7%，respectively.The constructed wetland had a good removal effect on nitrogen and phosphorus in wastewater，the concentration of TN and NH 4+-N in the effluent was stabilized at 0.66 and 0.25 mg/L，respectively，and TP concentr