ZHOU Jia-zhong,WU Di,ZHENG Lin-ao.Engineering Application of Pure MBBR Process at Home and Abroad[J].China Water & Wastewater,2020,36(22):37-47.
纯膜MBBR工艺在国内外的工程应用
- Title:
- Engineering Application of Pure MBBR Process at Home and Abroad
- Keywords:
- MBBR; suspended carrier; biofilm; pure MBBR; micro-polluted water; anommox; emergency; limited occupancy area
- 摘要:
- 纯膜MBBR工艺系统不设二沉池，无污泥回流，以附着态形式存在的悬浮载体生物膜完成污染物的去除，生物膜在流化的作用下实现动态更新，无需反冲洗，具备极佳的抗低温性能，处理负荷高，停留时间短，可灵活应用于污水厂各工艺段，从而获得优良的出水水质。总结了纯膜MBBR工艺污染物的去除特性，描述了该工艺脱碳、硝化和反硝化过程。介绍了国外Lillehammer、Gardermoen、Sjolunda、Phillips Petroleum Borger、TAU污水厂纯膜MBBR工艺的设计和应用情况，回顾了国内纯膜MBBR工艺在微污染水、工业废水、市政污水、高氨氮废水处理中的应用情况。实践应用表明，纯膜MBBR工艺结合更加紧凑的深度处理工艺，最大可节约80%的占地，去除负荷高，工艺流程短，具有占地省、投资低、运行简便等优势，适用于污水厂新建以及扩容提标，具有极大的发展空间和广泛的应用前景。
- Abstract:
- There is no secondary sedimentation tank and sludge return system in the pure MBBR process.The pollutants can be removed effectively by biofilm which attached to the suspended carriers. The biofilm can be dynamically renewed by fluidization without backwashing. The pure MBBR process has excellent advantages, such as low temperature resistance, high removal loading, short retention time, flexibility application to the many sections of WWTP, so as to obtain excellent effluent quality. In this paper, the characteristics of removal pollutants in pure MBBR process are summarized, and the decarbonization, nitrification and denitrification processes are described as well. The design and application of pure MBBR process in Lillehammer WWTP, Gardermoen WWTP, Sjolunda WWTP, Phillips Petroleum Borger WWTP, and TAU WWTP which are located abroad are introduced. The application of pure MBBR process in micropolluted water, industrial wastewater, municipal wastewater and high ammonia nitrogen wastewater in China are reviewed. Practical application shows that the pure MBBR process combined with a more compact advanced treatment process can save up to 80% of the land occupation compared with the conventional process. The pure MBBR process has the advantages of high removal loading, short process flow, low land occupation, low investment and simple operation. It is suitable for new construction and expansion of WWTP, and has great development space and wide application prospect.
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