PENG Ming,ZHOU Jia-zhong,HAN Wen-jie,et al.Application of BioFIMag Process Based on Pure MBBR in New Wastewater Treatment Plant[J].China Water & Wastewater,2021,37(6):71-75.
基于纯膜MBBR的BioFIMag
工艺用于新建污水处理厂
- Title:
-
Application of BioFIMag
Process Based on Pure MBBR in New Wastewater Treatment Plant
- Keywords:
- pure MBBR; biofilm; first level A standard
- 摘要:
-
肇庆市某新建污水处理厂设计处理规模为3×104 m3/d,出水需满足《城镇污水处理厂污染物排放标准》(GB 18918—2002)中的一级A标准。采用基于纯膜MBBR的BioFIMag
工艺解决了项目占地紧张、施工周期短的问题。通过高密度生物膜区、强化膜水分离区并加载智能控制系统确保项目出水水质稳定达标及污水厂精准运行。该污水厂实际占地仅为0.067 m2/(m3·d-1)。仅用时30 d即完成项目的设计、施工和调试,出水COD、NH4+-N、TP、SS分别为13.07、1.47、0.26、2.83 mg/L,优于一级A标准。该项目运行电耗0.203 kW·h/m3。除磷混凝剂采用PAC,投加的Al与去除的TP的物质的量之比为2.1。直接运行费用0.168 元/m3。BioFIMag
工艺具有极省占地、处理高效、超快实施、经济节约、管理简便等优势,适用于新建污水处理项目的实施。
- Abstract:
-
The design treatment capacity of an wastewater treatment plant (WWTP) in Zhaoqing is 3×104 m3/d, and the effluent water quality is required to meet the first level A standard of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002). The application of BioFIMag
process based on pure MBBR solved the problems of limited footprint and short construction period of the project. Through high-density biofilm area, enhanced biofilm water separation area and loading an intelligent control system, the effluent quality always could meet the discharge standard, and accurate operation of the WWTP was realized. After the implementation of the project, the actual footprint of the WWTP was only 0.067 m2/(m3·d-1). It took only 30 days to complete the design, construction and commissioning of the project. The concentrations of COD, NH4+-N, TP and SS in the effluent were 13.07 mg/L, 1.47 mg/L, 0.26 mg/L and 2.83 mg/L, respectively, which were better than those of first level A standard. The power consumption of the project was 0.203 kW·h/m3. PAC was used as coagulant for phosphorus removal, and the molar ratio of Al and the removed TP was 2.1. The direct operational cost was 0.168 yuan/m3. The BioFIMag
process has the advantages of extremely small footprint, efficient treatment, ultra fast implementation, economic saving and simple management, which is suitable for the implementation of new wastewater treatment projects.
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