HUANG Wei-liu,HUANG Qi-wei,LIAO Dong,et al.Commissioning and Operation of EBAF in Nanning Shuitangjiang Sewage Treatment Plant[J].China Water & Wastewater,2021,37(4):92-96.
南宁水塘江水质净化厂曝气生物滤池工艺调试与运行
- Title:
-
Commissioning and Operation of EBAF
in Nanning Shuitangjiang Sewage Treatment Plant
- 摘要:
-
介绍了南宁水塘江水质净化厂EBAF曝气生物滤池的调试与运行情况。调试与运行结果表明，在低碳氮比的进水水质条件下，采用了更高设计滤速与负荷的EBAF曝气生物滤池50 d即完成挂膜与驯化，同时在经过动态控制碳源投加量和回流比后，出水各项指标均满足《城镇污水处理厂污染物排放标准》（GB 18918—2002）的一级A标准。该BAF污水厂的快速启动、稳定运行可为处理低浓度南方生活污水提供新的工艺思路和调试运行经验。
- Abstract:
-
The commissioning and operation of EBAF biological aerated filter (BAF), which is used as the main treatment process in the Nanning Shuitangjiang Sewage Treatment Plant, are introduced. The commissioning and operation results show that under the condition of low influent C/N ratio, it took only 50 days for EBAF with higher design filtration velocity and load to complete the process of biofilm attachment and acclimation. After dynamic control of carbon source dosage and nitrate liquid return ratio, the effluent indicators can meet the first level A requirements specified in Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant(GB 18918-2002). The rapid start-up and stable operation of the BAF sewage treatment plant can provide new process ideas and commissioning experience for the treatment of low-concentration domestic sewage in southern areas.
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