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Water Eutrophication And Its Prevention、Control And Treatment

WANG Shu-fang~1(1.School Of Environment,Beijing Normal University,Beijing 100875,China)  
As a result of human's actions and impacts on environment,a plenty of nitrogen and phosphorus dischargeinto water and accumulate incessantly,and some algal and hydrobios multiply excessively.All of these lead to water eutrophication.This paper gives a brief account of the forming mechanism and harmfulness of water eutrophication;thenemphasizes the existing preventions,controls and treatments related to control of extraneous sources,and decrease of endogenous load and removal of nutrient substances.Based on the summarization and compare,relevant direction isdiscussed,and comprehensive strategy is also put forward.
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