摘要：本设计是污水处理厂和城市污水管道的初步设计。该处理厂处理城市污水。根据设计要求，该污水处理工程进水中氮和磷含量偏高，在去除BOD5和SS的同时，还需要进行脱氮除磷处理，故采用当代水处理工艺中常用的三沟式氧化沟工艺。本设计采用了三沟式氧化沟主体工艺，工艺流程简单，省去了初沉池和污泥消化系统，节省了基建投资和运行费用，同时曝气设备和构造形式多样，运行灵活，管理方便，保证出水达到污水排放标准，做到了水资源的合理利用。
关键词：城市排水；三沟式氧化沟；脱氮除磷；达标排放
Abstract：This design is the preliminary design of city sewage treatment plant and sewage pipe. The city sewage treatment plant processing. According to the design requirements, the sewage treatment works, water is high in nitrogen and phosphorus content, on the removal of BOD5 and SS at the same time, also the need for nitrogen and phosphorus removal, the contemporary water treatment processes commonly used triple oxidation ditch process. This design uses thetriple oxidation ditch main technology, simple process, eliminating the primary sedimentation tank and sludge digestion system, saves capital constructioninvestment and operation cost, at the same time, aeration equipment and structural diversity, flexible operation, convenient management, ensure the effluent can reach the wastewater discharge standard, realize the rational utilization of water resources.
Keywords: city drainage; triple oxidation ditch; nitrogen and phosphorus removal;discharge to reach standard
污水处理厂和城市污水管道的初步设计.pdf
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