System for treating black stinking water
A black and odorous water body and water body technology, which is applied in the fields of filtration treatment, water/sewage treatment, biological water/sewage treatment, etc., can solve problems such as unsatisfactory treatment effect, high cost, and ecological environment damage, and achieve resource utilization and recycling Utilization, enhanced adsorption performance, guaranteed long-term effect
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[0032] see figure 1 , the present embodiment provides a system for controlling black and odorous water bodies. At first, select a black and odorous water body (total nitrogen: 142mg / L, total phosphorus: 22mg / L, COD Cr : 560mg / L) ponds, set up a biochar filter 1 in the direction of water inflow, harvest aquatic plants 3 in the mature stage, and then dry and pulverize them separately with the bottom mud of the water body and mix them in a mass ratio of 4:1 , high-temperature pyrolysis under anoxic conditions to obtain biochar, and then activate the biochar to obtain activated biochar 4; part of the obtained activated biochar 4 is used to fill the biochar filter 1 in the direction of water, and part of it is thrown into the water body to settle to the bottom of the water body The bottom matrix 2 is formed in the mud.
[0033] Wherein the preparation process of activated biochar 4 is:
[0034] (1) drying the harvested aquatic plants 3 and the water body bottom mud after dredging...
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