扬州市宝应县夏集镇镇区污水处理厂近期设计
摘要：随着经济发展，国民生活水平的不断提高，城市污水排放量也日益增长。根据扬州市宝应县夏集镇镇区污水处理厂设计规模和要求，对常用工艺做了对比和选择，拟采用氧化沟工艺对污水进行脱氮除磷，并对小城镇污水处理技术的国内外现状、发展趋势、特点做了简单介绍。
关键词：氧化沟工艺，城市污水，脱氮除磷，污水处理技术
Recent design of wastewater treatment plant of Xiji town of Baoying county, in Yangzhou
Abstract：As the economy develops, the nation#39;s standards of living are rising, and the urban sewage emissions are increasing.According to the design scale and requirements of the wastewater treatment plant in Xiaji town, Baoying county, Yangzhou city,to do the comparison and selection of commonly used process,it is proposed to use oxidation ditch process to remove nitrogen and phosphorus from wastewater,and introduces the current situation, development trend and features of wastewater treatment technology in small towns.
Keywords:oxidation ditch process，urban sewage，nitrogen and Phosphorus Removal，wastewater treatment technology
- 前言
城市水处理设施是关乎国家经济发展和水资源保护的关键因素[1]。城市污水处理厂仅可以有效缓解因工业、生活污水造成的水体污染，还可将处理后的污水进行深度处理为再生水，用作景观用水或工业用水，在一定程度上可缓解水资源紧张的局面[2]。
1.1工程概况及要求
扬州市宝应县夏集镇镇区污水处理厂位于郭夏路北侧，四横河东侧，征地红线内总占地面积5525 m2（合约8.3亩）。设计总规模3000 m3/d，分两期建设，其中近期工程2000 m3/d，远期扩建至总处理规模3000 m3/d。近期实施时，部分设施土建（如中格栅及调节池、微絮凝滤池、污泥池、污泥脱水机房等）按照3000 m3/d实施，设备按照2000 m3/d配置。
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