China is in severe shortage of water resources in terms of per capita amount which is less than 1/3 of the world average. Meanwhile water quality is degrading since the reform and opening up due to swift and vigorous economic development. According to < China’s Environmental Aspect Communique 2009>, China’s surface water quality was far from satisfactory. The Seven Water Systems were lightly polluted in general, in which Haihe Basin was heavily polluted with 66% of rivers examined less than theⅢlevel of Env...
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