国内外污水处理技术的分析比较
摘要：随着全国环保要求不断提高，城市水污染问题已经成为人们日益关注的问题。本文对氧化沟、SBR、曝气生物滤池、生物接触氧化法、MBR等污水处理工艺的优缺点进行总结，并从应用范围、投资费用、占地面积、出水水质、后期管理等各方面对各工艺进行比较。
关键词：生活污水，氧化沟，生物接触氧化、MBR
Summary of Research and Treatment of Wastewater in Pharmaceutical Chemical Industry Park
Abstract：This design project is the third-phase engineering design of Nan#39;an Municipal Wastewater Treatment Plant. The designed wastewater treatment capacity is 50,000 m3/d per day. Through the design of a wastewater treatment plant with the Carrousel oxidation ditch process as the core of the treatment, the effluent after the designed treatment meets the Pollutant Discharge Standard for Urban Sewage Treatment Plants (GB18918- -2002) Level A standard, to discuss the characteristics, treatment effects, scope of use, advantages and disadvantages of the Carrousel oxidation ditch process, design the composition, structure and process flow of the sewage treatment plant, and design the structure and building Carry out size calculation and orientation layout of objects. In the design, the project will be demonstrated, the design calculation of the main structures and auxiliary buildings, the selection of equipment, the drawing of related engineering drawings and other related work, and finally the design will be completed.
Keywords: Sewage, Coagulating sedimentation，Carrousel oxidation ditch，Nitrogen and Phosphorus Removal
1. 前言
随着全国环保要求不断提高，城市水污染问题已经成为人们日益关注的问题。作为城市建设基础设施配套工程的污水处理厂的建设，对改善人们的生活环境,提高人民的生活质量，促进经济的发展具有重要的意义。
2.污水处理各工艺国内外研究现状
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