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1977年联合国向全世界发出警告:“水不久将成为一项(?)的社会危机,石油危机之后的下一个危机便是水。”今天这一警告变成了严酷的现实。水已成为制约社会经济发展的一个重要因素。为此,世界上所有缺水国家都在寻找对策,千方百计蓄积地表水的有之;大量开发地下水的有之;耗费巨资跨流域调水的有之;动员社会节约用水的有之;……笔者认为,实行废污水资源化也不失为一条途径,而且势在必行。所谓废污水资源化,就是将生产和生活的废污水经过人工处理,重新作为资源利用。
In 1977, the United Nations warned the world that “water will soon become a social crisis and the next crisis after the oil crisis is water.” This warning today has become a harsh reality. Water has become an important factor constraining social and economic development. To this end, all the world’s water-scarce countries are looking for countermeasures, do everything possible to accumulate surface water; there are a lot of groundwater development; spend huge amounts of money across the basin to divert water; mobilize society to save water there; The author believes that the implementation of waste water recycling is a way, but also imperative. The so-called waste water resources, that is, production and living of waste water after manual treatment, as a resource utilization.