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1 节水型社会建设逐步发展1.1 城市节水郑州市工业用水重复利用率从1981年的20%左右提高到目前的72.88%。工业万元产值用水量由1981年的260m3/万元下降到目前的40.52m~3/万元。连续多年评为河南省节约用水先进城市,1995、2000年被评为全国节水先进城市,2003年被国家命名为首批国家节水型城市。在基本实现污水达标排放的基础上,2000年王辛庄污水处理厂建成投入使用,2003年底全市城市(含县市城区)污水
A water-saving society and the gradual development of 1.1 urban water-saving recycling of industrial water in Zhengzhou City from about 20% in 1981 increased to the current 72.88%. Industrial water output value of 10,000 yuan by the 1981 260m3 / ten thousand yuan down to the current 40.52m ~ 3 / ten thousand yuan. For many years in Henan Province as advanced water-saving cities, 1995,2000 was named the national water-saving advanced city, in 2003 by the state named the first national water-saving cities. In the basic realization of sewage discharge standards, based on the 2000 Wang Xinzhuang sewage treatment plant was completed and put into use, by the end of 2003 the city (including cities and counties) sewage