污水回用 大势所趋──关于北京市污水回用的思考

Discussion on wastewater reuse in Beijing

我国是世界上高度缺水的国家之一，首都北京也面临着日益严重的水危机，污水回用是解决水危机的有效途径。污水经过处理可回用于农业灌溉、景观河道用水、市政用水、工业用水和地下水回灌等多个方面。本文介绍了国际上一些国家进行污水回用的经验，同时还介绍了北京市污水处理与回用现状，并分析了污水回用过程中存在的问题，针对这些问题提出了改进建议。

Water crisis is one of the most serious problems that Beijing faces. Wastewater reuse is regarded as an effective way to alleviate the crisis. Reclaimed wastewater can be used in different ways, such as irrigation, river supply, industrial use, municipal use, groundwater recharge. The paper reviews foreign countries' experiences on wastewater reclamation and reuse, and the current status of the wastewater treatment and reuse in Beijing. Based on that, some problems on wastewater reuse in Beijing are analyzed. Finally, several suggestions are given.