【
Abstract
】
Water resources are the basis for economic development and the survival of mankind. The quality of water resources has a positive impact on the development of the economy and the improvement of living standards. However, with the development of the economy
,
the living standards and the
lacking
of water resources, the situation of the aquatic environment has become very serious. A large amount of discharged domestic and industrial wastewater is polluting rivers, lakes, soil and
某城区污水处理厂工艺方案选择与设计-13965字.docx