LIYusheng,BAI Huaqing,SUNZheng,et al.Upgrading In-situ by MBBR + Denitrifying Biofilter + Magnetic Coagulation Sedimentation Process in a Sewage Treatment Plant[J].China Water & Wastewater,2026,42(4):108-113.
MBBR+反硝化生物滤池+磁混凝沉淀池用于污水处理厂原位提标
- Title:
- Upgrading In-situ by MBBR + Denitrifying Biofilter + Magnetic Coagulation Sedimentation Process in a Sewage Treatment Plant
- Keywords:
- solid-liquid rapidly separation; MBBR; denitrifying biofilter; magnetic coagulation sedimentation tank
- 摘要:
- 成都某10万m3/d工业园区集中式污水处理厂，出水标准需由《城镇污水处理厂污染物排放标准》（GB 18918—2002）的一级A标准提升至《四川省岷江、沱江流域水污染物排放标准》（DB51/2311—2016）。该污水处理厂存在进水TP远超设计值、进水泥沙含量大、出水水质不稳定等问题。设计采用固液快速分离+移动床生物膜反应器（MBBR）+反硝化生物滤池+磁混凝沉淀池的主体工艺，提标改造后出水水质全面优于设计标准，水质稳定，处理能耗仅为0.32 kW·h/m3，用地指标为0.67 m2/（m3·d-1）。
- Abstract:
- A sewage treatment plant in Chengdu has a treatment of 100 000 m3/d and initially adhered to the first level A standard of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), the effluent standard of which now upgraded to the Discharge Standard of Water Pollutants for Minjiang and Tuojiang River Basins in Sichuan Province (DB51/2311-2016). The current situation of the sewage treatment plant has problems such as influent TP far exceeding the design value, large sediment content in the influent, and unstable effluent quality. The main process of solid-liquid rapidly separation + MBBR module + denitrifying biofilter + magnetic coagulation sedimentation tank was adopted in the design. After the upgrading and reconstruction, the effluent quality was better than the design standard, with the overall treatment energy consumption of effluent quality only 0.32 kW·h/m3 and the land use index 0.67 m2/(m3·d-1).
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