PENGGuan-ping,ZOUJing,SHIWen-min,et al.Application of A/RPIR and Magnetic Coagulation Sedimentation in a Temporary Decentralized Sewage Treatment Project[J].China Water & Wastewater,2022,38(6):93-98.
A/RPIR+磁混凝沉淀用于临时分散式污水处理工程
- Title:
- Application of A/RPIR and Magnetic Coagulation Sedimentation in a Temporary Decentralized Sewage Treatment Project
- Keywords:
- quality and efficiency improvement; decentralized sewage treatment; A/RPIR; magnetic coagulation sedimentation
- 摘要:
- 为缓解武汉市东西湖区汉西污水处理厂现状处理能力不足的问题，设计采用A/RPIR+磁混凝沉淀工艺，新建2座共计13×104 m3/d的应急临时分散式污水处理设施，实现东西湖片区污水处理提质增效。该工程主体构筑物均采用工厂模块化预制、现场焊接拼装形式，其中10×104 m3/d污水厂建设周期约120 d，污水处理系统单位占地0.31 m2/（m3·d-1），远低于同规模用地标准推荐值。运行结果显示，该污水处理系统具有一定耐冲击负荷能力，出水水质可稳定达到一级A标准，综合运营成本为0.550 2 元/m3。
- Abstract:
- To alleviate the current insufficient treatment capacity of the Hanxi sewage treatment plant and realize the quality and efficiency improvement of sewage treatment system in Dongxihu District, Wuhan, two emergency temporary decentralized sewage treatment plants with a total capacity of 13×104 m3/d, which adopts the rapid purification of sewage using sedimentation integrated rectangular airlift loop reactor (A/RPIR) and magnetic coagulation sedimentation treatment process were newly built. The main structure of the project was prefabricated in factory modular and assembled by on-site welding. The construction period of the 10×104 m3/d sewage treatment plant is about 120 days and the sewage treatment system unit occupies an area of 0.31 m2/（m3·d-1）, which is far lower than the recommended standard value. The operation results showed that the sewage treatment system has a certain impact load resistance, the effluent indexes could stably reach the first?level A criteria of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002) and the comprehensive operating cost was 0.550 2 yuan/m3.
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