ZHANG Wan-li,CHEN Xiao-guang,CHENG Wen,et al.Design of an Industrial Wastewater Treatment Plant Quasi-Ⅳ Standard Upgrading and Reconstruction Project in Wuxi[J].China Water & Wastewater,2021,37(12):70-75.
无锡市某工业污水处理厂准Ⅳ类提标改造工程设计
- Title:
- Design of an Industrial Wastewater Treatment Plant Quasi-Ⅳ Standard Upgrading and Reconstruction Project in Wuxi
- 摘要:
- 无锡市某工业污水处理厂规模6.0×104 m3/d，考虑适当超前的原则，其提标改造工程设计出水水质执行准Ⅳ标准（TN除外）。但由于进水中工业废水含量较高且种类复杂，为确保稳定达标，在中试研究结论的基础上，采用了浅层气浮工艺强化预处理，增设曝气生物滤池+反硝化滤池+均相臭氧催化氧化工艺进行深度处理。工程投产后实际出水水质稳定达到了设计要求，同时可根据来水水质灵活调整运行参数，以减少运行成本。
- Abstract:
- Treatment capacity of an industrial wastewater treatment plant in Wuxi is 6.0×104 m3/d. Base on the principle of moderate advance, the designed effluent quality needs to meet surface water quasi-Ⅳ standard (except TN ) in the upgrading and reconstruction project. However, the influent is characterized by a high proportion of industrial wastewater and complex composition. In order to ensure that the effluent quality meeting the discharge standard, shallow air flotation was employed as the pretreatment process, and biological aerated filter (BAF), deep bed denitrification filter and homogeneous catalytic ozonation technology were constructed to be the advanced treatment process based on the results of pilot experiments. After application of the project, the actual effluent quality stably met the design requirements, and it was flexible for managers to modify operating parameters according to the influent quality to reduce the operational cost.
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