实现城市污水资源化的基本途径初探

通过对解决城市缺水方案的比较得出：污水资源化是最佳选择。实施污水资源化，按照以下指导原则进行：优水优先，一水多用，重复利用，保证人体健康不受威胁，先近后远，先易后难；处理后的城市污水在满足水质要求的条件下，用于农业灌溉、工业用水、补充城市湖泊、河道、市政园林、绿地浇灌用水；经二级处理后满足生活杂用；因季节性差异利用现有坑塘储存再生水，作为水源之一；利用城市污水回灌地下水等。

Exploration of Essential Ways to Resourcize Municipal Wastewater

After comparing the methods to solve the municipal water resource shortage, the wastewater resorucization is the best choice. The wastewater resourcization is feasible in technique, reasonable in economic and beneficial to environment and society. To realize the wastewater resuraization. the next guide-lines should be observed: Better water being superior to worse water; One kind of water being multi-purpose; Reusing efficently; Being secure for people's health;First the close, second the further; First the easy, second the difficult .After treating, the municipal wastewater can be used in: agnculture imgation, industry, recharging the lakes and rivers, municipal garden plot, domestic use, recharging the groundwater.