城市生活用水多样化趋势与水资源的可持续利用

通过对杭州市生活用水需求变化与用途多样化趋势的调查研究,用量化分析方法寻找与之相关的因素,并以此预测城市用水趋势。针对目前城市生活用水量日益增加、其中低质杂用水的比例较大的情况,从水环境综合治理角度,探讨城市水资源合理利用的最佳系统方式,并提出污水资源化、充分利用雨水、建立新型给排水系统等建议。

Diversity trend of urban domestic water consumption and sustainable utilization of water resources

Based on an investigation of the variation of water demand by urban life and diversity trend of domestic water consumption in Hangzhou City, the quantitative analysis method is adopted to find some relative factors and predict the trend of domestic water consumption. In consideration of the gradual increase of the urban domestic water consumption, a large part of which used in different places without strict requirement for water quality, an optimal mode for urban water resources utilization is discussed from the angle of comprehensive regulation of water environment. Finally, some suggestions are made, such as the conversion of wastewater into resources, full use of rainwater, establishment of a new discharge system.