YEChang-ming,WUBo.Applied Research of Upflow Denitrification Filter in WWTPs with High Discharge Standards[J].China Water & Wastewater,2024,40(20):7-15.
上向流反硝化滤池在高排放标准污水厂的应用研究
- Title:
- Applied Research of Upflow Denitrification Filter in WWTPs with High Discharge Standards
- Keywords:
- wastewater treatment plant; upflow denitrification filter; high discharge standard; advanced treatment
- 摘要:
- 在地表水准Ⅳ类及以上的高排放标准背景下，大多数污水处理厂采用强化二级生化处理后仍难以达标，需增加深度处理工艺。近年来，上向流反硝化滤池（UFDN）作为一种高效的深度处理工艺，应用逐渐增多。综述了UFDN工艺优势、基本原理、设计参数、工程应用情况以及在高排放标准下取得的研究成果，结合行业发展趋势，指出了该工艺存在的问题，并展望了UFDN未来发展的方向，以期为相关研究及工程应用提供参考。
- Abstract:
- Under the background of high discharge standards of surface quasi?Ⅳ and above, most wastewater treatment plants (WWTPs) still struggle to meet the standards after strengthening their secondary biochemical treatment capacity, and need to increase the advanced treatment process. In recent years, the upflow denitrification filter (UFDN) application as a highly efficient advanced treatment process has gradually increased. This paper summarizes the advantages, basic principles, design parameters, engineering applications, and research results achieved in the high discharge standards of the UFDN process. Combining with the industry development trend, the problems of the process were pointed out, and the direction of the future development of UFDN was prospected, so as to provide a reference for the relevant research and engineering applications.
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