Purification method and device of cold-water fish cultivation water body in mountain gully watershed
A technology for breeding water bodies and cold-water fish, applied in chemical instruments and methods, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc., can solve management and maintenance difficulties, high investment and operation costs, and limited pollutant removal capacity and other issues to achieve the effect of improving water quality
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[0029] The combination device for purifying water body of cold-water fish culture in mountainous ditch area provided by the present invention mainly includes:
[0030] The biological flocculation sedimentation tank 3 is connected to the nano-functional ceramsite-loaded microbial filter tank 4;
[0031] The nano-functional ceramsite-loaded microbial filter pool 4 is connected to the fish pond 5;
[0032] The biological flocculation sedimentation tank 3 and the fish pond 5 are connected to the surface subsurface artificial wetland 6 at the same time;
[0033] Surface subsurface flow constructed wetland 6 is connected to complex ecological multifunctional purification pond 7;
[0034] The composite ecological multifunctional purification pond 7 is connected to the downstream drainage ditch 8 .
[0035] The optimal condition of each section in the above-mentioned combined process is:
[0036] The mixing method of the flocculant in the biological flocculation sedimentation tank ...
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