ZHUMin,BAIGuo-liang,SHIHao-chuan,et al.Theory and Methods of Payment According to Efficiency in Sewage Treatment Plants in Wuhan[J].China Water & Wastewater,2024,40(17):111-117.
武汉市污水处理厂按效付费理论方法研究
- Title:
- Theory and Methods of Payment According to Efficiency in Sewage Treatment Plants in Wuhan
- Keywords:
- sewage treatment plant; pay for performance; variable cost; power cost; raw material acquisition cost; sludge disposal cost
- 摘要:
- 为优化现有污水处理企业付费机制并减轻政府的财政压力，根据湖北省武汉市10座市级污水处理厂的运行成本和水质指标，分别从进水水质、处理水量和污染负荷削减3个方面构建了武汉市污水处理厂按效付费模型和方法，讨论了3种付费方式的准确性和实用性。结果表明，动力费与氨氮削减量、原材料购置费与总磷削减量、污泥处置费与进水总磷浓度可建立模型方程，对比实际成本和模型成本，动力费的模拟结果与实际动力费比较接近。综合按效付费模型适用于进水生化需氧量（BOD5）较低的污水处理厂运行成本定价。“一厂一策”的水处理按效付费模型结合污水处理绩效考核体系对水处理按效付费的理论研究具有重要的意义和实践价值。
- Abstract:
- To optimize the existing payment mode for sewage treatment enterprises and alleviate the financial burden on the government, a performance-based payment model and method were developed for sewage treatment plants in Wuhan. This was based on the operating costs and water quality indices of 10 sewage treatment plants in Wuhan, Hubei Province, focusing on influent quality, treatment volume, and pollution load reduction. Subsequently, the accuracy and practicality of the three payment methods were thoroughly examined. Model equations could be developed for power cost and ammonia nitrogen reduction, raw material acquisition cost and total phosphorus reduction, as well as sludge disposal cost and total phosphorus concentration of influent. By comparing the actual cost with the model results, it was found that the estimated power cost closely aligned with the actual expenditure. The comprehensive pay for performance model was applicable to the cost pricing of sewage treatment plants with lower influent biochemical oxygen demand (BOD5). Studying the performance payment theory of sewage treatment, based on the “one plant one policy” model and integrated with the performance appraisal system of sewage treatment, holds great significance and practical value.
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