我国水污染现状及某市25万吨污水处理工艺流程 摘要： 随着社会经济的发展，人类生产和生活对水的需求量越来越多，水体污染和水资源短缺成为目前人类生存和发展面临的重大问题之一。如何解决水污染问题，保证用水安全是未来人类生存的一大挑战。本文主要从我国的水环境问题出发，在正确分析所需处理水的水量、水质的情况下，结合国内外水处理工艺，并对比了各工艺的优缺点，最终采用DE氧化沟法对某市25万吨污水进行了处理，该工艺同时具有脱氮除磷和去除有机物的功能，而且能够避免了污泥膨胀，保证工艺的正常运行，达到污水排放的标准。在正确设计和计算的基础上，绘制了污水厂的平面图和高程图以及各个单体的剖面图，使整个设计更加清晰直观。 关键词：水环境；污水；DE氧化沟； |
Title：边缘爱情China’s water pollution status and the process of 250000 tons of sewage treatment Abstract： With the development of social 贺敏仁economy, more and more water is demanded in people’s life and production. But water pollution and water shortages has become one of the major problems hindering people’s survival and development. How to solve the problem of water pollution and ensure water security is a major challenge for the future survival of mankind. According礼乐制度 to the water environment, after analyzing water quality and water quantity, and comparing the advantages and disadvantages of each process ultimately choose DE Oxidation Ditch to treat 250,000 tons of water. The process has both nitrogen and phosphorus removal and removal of organic functions, and can avoid the sludge bulking, to ensure the normal operation of the process and achieve effluent discharge standards. On the basis of proper design and calculation, drawing a sewage plant plan and elevation map and cross-sectional view of each monomer, so that the whole design seems more clear and intuitive. K偏正结构ey words：water environment；polluted water；DE Oxidation Ditch |
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