A Surface Flow-Vertical Underflow Constructed Wetland Treatment Process
A technology of constructed wetlands and vertical subsurface flow, applied in biological water/sewage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problem of completely improving the dissolved oxygen effect of surface flow constructed wetlands, increasing treatment costs, Increase aeration and other issues to achieve high oxygen transmission efficiency, reduce load, and improve removal efficiency
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[0037] The composite constructed wetland of the present embodiment is built on the green belt of Houcongyuan Living Community in Zhenhai District, Ningbo City, for the treatment of domestic sewage of 311 households in the community, and the wetland covers an area of 1 600m 2The constructed wetland is composed of a surface flow constructed wetland and a vertical undercurrent constructed wetland in series, the surface flow constructed wetland is provided at the inlet end of the system, the vertical undercurrent constructed wetland is provided at the outlet end of the system, the system further comprises a water distribution tank, the water distribution tank has an inlet and an outlet, the water distribution tank is located at the inlet end of the system, and its outlet is connected with the inlet pipe of the surface flow artificial wetland.
[0038] The surface flow constructed wetland treatment pool and the vertical undercurrent constructed wetland treatment pool are both cuboids, ...
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