Renovation method for lake aquatic ecosystem of south eutrophication city
An ecosystem and eutrophication technology, applied in chemical instruments and methods, sustainable biological treatment, biological water/sewage treatment, etc., can solve the problems of high cost, achieve the effect of changing the sense of water body and avoiding the waste of human resources and property
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[0019] The present invention will be further described below in conjunction with specific embodiments and drawings, but the present invention is not limited to the following embodiments.
[0020] A shallow urban lake in the south of the Yangtze River was selected as the experimental lake. The lake is 3.58km long, 1.34km wide, and has a surface area of 1.48km 2 , the average depth of the lake is about 1.6m. It consists of 5 sub-lakes, each of which is relatively closed, and the exchange between water bodies is weak. The lake water used to be a source of natural recharge, mainly streams, and now it is mainly urban surface rainwater and lake surface precipitation in the catchment area, as well as some domestic sewage. . The lake has a relatively serious eutrophication problem, and the lake water is turbid and lacks vitality and vitality.
[0021] The improvement of the lake in the present invention takes the following specific implementation steps:
[0022] 1. Improvement of...
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