ZHANG Yue,WANG Yang,ZHANG Hong-wei,et al.Design and Operation of BARDENPHO Process in Phase Ⅱ Project of Yangquan Wastewater Treatment Plant[J].China Water & Wastewater,2020,36(16):64-68.
阳泉市污水处理二期工程BARDENPHO工艺设计和运行
- Title:
- Design and Operation of BARDENPHO Process in Phase Ⅱ Project of Yangquan Wastewater Treatment Plant
- 关键词:
- 污水处理厂; BARDENPHO工艺; 滤布滤池
- Keywords:
- wastewater treatment plant; BARDENPHO process; cloth filter
- 摘要:
- 阳泉市污水处理二期工程建设规模为8×104 m3/d，出水水质执行《城镇污水处理厂污染物排放标准》（GB 18918—2002）一级A标准和《地表水环境质量标准》（GB 3838—2002）Ⅴ类水质标准中的较严值。该项目采用抗冲击负荷能力强、脱氮除磷功能强的BARDENPHO生物处理工艺，工艺流程为BARDENPHO生物处理+混合反应沉淀+滤布滤池+消毒，污泥处理采用机械脱水工艺。生物处理采用多点布水、多点回流措施，将污水分别配入预缺氧区和厌氧区，污泥回流到预缺氧区与一定比例的进水混合，大大增强了脱氮除磷能力。该项目于2017年投产运行，出水水质稳定达到设计标准。
- Abstract:
- The capacity of phase Ⅱ project of Yangquan wastewater treatment plant was 80 000 m3/d. The effluent quality implements the strict value of the first level A standard of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002)and class Ⅴ water quality standard of Environmental Quality Standards for Surface Water (GB 3838-2002). The project adopts the BARDENPHO biological treatment process with strong shock load resistance and strong nitrogen and phosphorus removal function. The process flow is BARDENPHO biological treatment+mixed reaction sedimentation tank+cloth filter+disinfection, and the sludge treatment adopts mechanical dewatering process. The biological treatment adopts multi-point water distribution and multi-point reflux measures. The sewage is divided into pre-anoxic zone and anaerobic zone respectively. The sludge returns to the pre-anoxic zone and mixes with a certain proportion of influent water, which greatly enhances the ability of nitrogen and phosphorus removal. The project was put into operation in 2017, and the effluent quality stably reached the design standard.
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