Moon Lake River Training
The river management project moon lake for Ningbo tourist attractions lakes, south and moat, poor water mobility, water pollution over its own ability to repair, long-term siltation of the bottom of the lake, water turbidity, ammonia nitrogen, total phosphorus, COD for inferior V water standards, river management is complex, river management area endogenous pollution mainly into the river through a variety of physical, chemical and biological role of nutrients, gradual sedimentation To the surface layer of the lake substrate. Accumulation of nitrogen and phosphorus nutrients in the surface layer of the substrate, on the one hand, can be directly ingested by microorganisms, enter the food chain, participate in the cycle of aquatic ecosystems; on the other hand, can be released from the substrate under certain physicochemical and environmental conditions, and re-entered into the water, thus forming the pollution load in the lake, the aeration technology of river training is based on the characteristics of the river is polluted by the lack of oxygen, artificially filled with air in the water column (or oxygen), accelerate the process of water reoxygenation, in order to increase the level of dissolved oxygen in the water body, restore and enhance the vitality of aerobic microorganisms in the water body, so that the pollutants in the water body can be purified, so as to make the river management of the water quality of the long term standards.
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