FU Yao,ZHANG Li-ting.Application of Integrated Secondary Treatment and Ozonation in WWTP Upgrading and Expansion to Meet Quasi-Ⅳ Standards[J].China Water & Wastewater,2020,36(22):141-144.
一体式组合池及臭氧氧化用于污水厂准Ⅳ类提标扩建
- Title:
- Application of Integrated Secondary Treatment and Ozonation in WWTP Upgrading and Expansion to Meet Quasi-Ⅳ Standards
- Keywords:
- secondary treatment; ozonation; upgrading and expansion
- 摘要:
- 西咸新区某污水处理厂提标扩建工程设计规模为5×104 m3/d，出水水质执行《地表水环境质量标准》（GB 3838—2002）准Ⅳ类标准。该工程二级处理新增1×104 m3/d改良AAO+矩形周进周出二次沉淀一体式组合池，三级处理新建臭氧接触池及V型滤池，出水采用紫外线消毒，总投资为8 058.93万元。提标扩建工程投入运行后，出水水质稳定达到准Ⅳ类标准。
- Abstract:
- The design capacity of a wastewater treatment plant upgrading and expansion project in Xixian New Area is 5×104 m3/d, and the effluent water quality is in accordance with the quasi-Ⅳ standard of Environmental Quality Standards for Surface Water (GB 3838—2002). The integrated process including modified AAO and secondary sedimentation tank with peripheral water inlet and outlet is adopted in secondary treatment, while ozone contact tank and V-filter are newly built in tertiary treatment, and the effluent is disinfected by ultraviolet light. The total investment is 80.589 3 million yuan. After operation, the effluent quality can stably meet design standard.
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