GAOYan-bo,YANGZhong-qi,ZHOUJia-zhong,et al.Application of BFM Fabricated Structure in the Design of Land Limited Wastewater Treatment Plant[J].China Water & Wastewater,2023,39(2):46-51.
BFM装配式用于占地受限型污水处理工程设计
- Title:
- Application of BFM Fabricated Structure in the Design of Land Limited Wastewater Treatment Plant
- Keywords:
- MBBR; magnetic coagulation; fabricated structure; high standard; land occupation; rapid construction; BFM; combined sewer overflows
- 摘要:
- 北方某污水处理厂新建处理规模为1×104 m3/d的污水处理设施，要求出水水质达到地表水准V类标准。采用BFM装配式进行施工建设，仅用时29 d就完成污水处理设施建设并实现通水运行，通水7 d后实现达标排放，解决了项目面临的占地受限、实施周期短、稳定性要求高等难题。项目实施完成后单位占地仅为0.142 m2/（m3·d-1）。实际运行效果显示，BFM出水水质稳定并优于设计标准，通过纯膜MBBR后缺氧区碳源调控，可保障BFM出水TN低于5 mg/L。BFM装配式具有集约紧凑、高效稳定、经济快速的优势，为污水厂提标扩容提供了新思路。
- Abstract:
- A new treatment facility with a treatment capacity of 1×104 m3/d has built in a wastewater treatment plant in north China, and the effluent quality is required to meet the surface water quasi class V standard. It only took 29 days to complete the construction of wastewater treatment facilities and realized wastewater treatment by using BFM fabricated structure. After 7 days of operation, the effluent quality reached the discharge standard, which solved the problems such as limited footprint area, short construction time and high stability requirements. After the completion of the project, the unit occupied area was only 0.142 m2/(m3·d-1). The effluent quality was stable and better than the design standard. The TN in effluent from BFM was guaranteed to be lower than 5 mg/L through the regulation of carbon source in post-anoxic zone of pure MBBR. BFM fabricated structure has the advantages of intensive, compact, efficient, stable, economic and time-saving, which provides a new idea for the upgrading and expansion of wastewater treatment plant.
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