摘要
承德市某污水处理厂存在冬季低温反硝化效果差、可利用占地面积小等难点,扩建工程采用“预处理+改良A^2/O工艺+磁混高效沉淀+纤维转盘滤池”组合工艺。运行实践表明:该工艺运行稳定,出水水质满足GB 18918—2002《城镇污水处理厂污染物排放标准》一级A排放标准,与原有百乐克工艺相比,改良A^2/O工艺节省运行成本35.88%。
A sewage plant in Chengde had two difficulties poor performance of denitrification in the winter and insufficient useable space.To solve the problems,the expansion project adopted“Pretreatment+Modified A^2/O process+High rate clarifier process+Fiber rotary filter”combined process.The operational practice showed that the combined process works well and the effluent quality meets the first level A criteria in the GB 18918—2002 Discharge standard of pollutants for municipal water treatment plant.Comparing with the original Biolak technology,the modified A^2/O process saved 35.88%operating costs.
作者
谢丽清
贾彦武
唐行鹏
王明智
XIE Liqing;JIA Yanwu;TANG Xingpeng;WANG Mingzhi(North Engineering Design and Research International Limited,Shijiazhuang 050011,China;The Second Water Conservancy and Hydropower Survey&Design Institute of Hebei Province,Shijiazhuang 050021,China)
出处
《水科学与工程技术》
2020年第3期75-78,共4页
Water Sciences and Engineering Technology
关键词
A^2/O工艺
磁混高效沉淀
运行成本
modified A^2/O process
high rate clarifier process
operating cost
