文章运用经济学理论分析了城市污水资源化的外部经济性。
This paper discussed the principle of externality in the domain of urban wastewater reuse, analyzing the external economy of urban wastewater reuse with the theory of economics.
介绍了河岸渗滤系统的除污功效，为实现城市污水资源化提供依据。
The pollutants removal efficiency of the riverbank filtration system was discussed. It can provide a basis for utilization municipal wastewater resource.
最后，运用财务评价的方法对以BOT方式建设的城市污水资源化设施的财务可行性和风险进行了分析。
At last, this article USES financial analysis method to demonstrate the feasibility of BOT project and analyzed the risk factors' influence to BOT project in the urban sewage reclamation field.
提出了几种城市污水深度处理工艺，探讨了城市污水的回用途径及污水资源化的意义。
This paper advances several deep treatment procedures and reuse way of urban wastewater; and it explores the meaning of wastewater when as a water resource.
因此，将城市污水回用，使其资源化将成为缓解水资源短缺的一个重要途径。
Therefore, the strategy on municipal sewage reclamation and reuse will be one of the most important approaches to solve water shortage.
因此，进行城市污水深度处理工艺的研究并正确评价污水资源化可能带来的环境和人体健康风险，显得非常必要。
Therefore, it appeared very necessary to research the new municipal wastewater treatment technology and correctly assessed the environment and human health risks when wastewater was reused.
因此，进行城市污水深度处理工艺的研究并正确评价污水资源化可能带来的环境和人体健康风险，显得非常必要。
Therefore, it appeared very necessary to research the new municipal wastewater treatment technology and correctly assessed the environment and human health risks when wastewater was reused.
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