摘要
Lake eutrophication is a serious environmental problem.China is carrying out research on eutrophication and its comprehensive treatment at present.The effects of three typical inland lake internal source pollution treatment projects,such as sediment dredging engineering,ecological diversion project and aquatic phytoremediation,were analyzed in this paper.The operating status of these three methods both at home and abroad,and their merits and demerits in treating lake pollution were illustrated.Simultaneously,the authors pointed out that there are limitations when one kind of method is used alone in solving the problem of eutrophication.On this basis,taking the water quality control project of the Dianchi Lake for example,the treatment effect and the combined use of the three engineering projects were investigated.