MAHong-lin,SHIXu-jun,LIPing,et al.Performance of WWTP Containing Industrial Wastewater Based on Improved Bardenpho Process[J].China Water & Wastewater,2025,41(10):91-97.
含工业废水的改良Bardenpho污水厂运行效果
- Title:
- Performance of WWTP Containing Industrial Wastewater Based on Improved Bardenpho Process
- 关键词:
- 西北地区; 低温; 工业废水; 生活污水; 改良Bardenpho工艺
- Keywords:
- northwest region; low-temperature; industrial wastewater; domestic sewage; improved Bardenpho process
- 摘要:
- 西北地区含工业废水的城镇污水，采用复合式初沉池+改良Bardenpho+高效沉淀池+V型砂滤池工艺处理。复合式初沉池采用平流沉淀池和斜管沉淀池的组合设计，改良Bardenpho工艺的进水流量比例为预缺氧段∶厌氧段∶缺氧1段=2.0∶4.0∶4.0。在低温条件下，构筑物采用地埋式、半地埋式或置于室内。当进水COD、TN、NH4+-N、TP浓度分别为65.07~535.17、17.12~53.56、13.09~46.42、1.57~7.18 mg/L时，相应出水指标优于《城镇污水处理厂污染物排放标准》（GB 18918—2002）的一级A标准，部分出水可长期作为生态补水及园林绿化用水。该工艺在冬季低温条件下运行良好，经营成本仅约2.46 元/m3。
- Abstract:
- The urban sewage containing industrial wastewater in the northwest region is treated by a combined process including composite primary sedimentation tank, improved Bardenpho process, high-density tank, and V-type sand filter. The composite primary sedimentation tank integrates both flat-flow and inclined tube sedimentation tanks. The flow rate ratio of the improved Bardenpho process is 2.0∶4.0∶4.0 for the pre-anoxic section, anaerobic section, and anoxic Ⅰ section. To accommodate low-temperature conditions, structures are designed to be either underground， semi-underground or located indoors. When influent COD, TN, NH4+-N and TP concentrations range from 65.07-535.17 mg/L，17.12-53.56 mg/L，13.09-46.42 mg/L， 1.57-7.18 mg/L, respectively, the effluent concentration is superior to the level A criteria in Discharge Standards of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002). Portions of this effluent can be utilized for long-term ecological water replenishment as well as garden irrigation. This treatment process demonstrates effective operation under winter’s low-temperature conditions with an operating cost of only about 2.46 yuan/m3.
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