Integrated device for ecological purification of domestic wastewater of small scattered river suspended sewage outlet
A technology for ecological purification and domestic sewage, applied in the field of pollution control, can solve the problems of enhancing the effect of pollutant diffusion and transport, short construction period, and poor yield, and achieve the effects of improving landscape ecology, saving operating costs, and reducing biomass loss
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[0035] Part design technical parameter of the present invention is as follows:
[0036] a. The designed sewage treatment flow rate is 1-10 m 3 / d, the hydraulic retention time is 16-36 hours.
[0037] b. The length of the three-stage ecological purification cage is 2-8 meters in total, the length ratio of the anaerobic section, the aerobic section and the filter section are 1:2:1 respectively, and the diameter is 50-100 cm.
[0038] The implementation effect evaluation factor of the present invention can select biochemical oxygen demand (BOD 5 ), chemical oxygen demand (COD cr ), suspended solids content (SS), ammonia nitrogen (NH 4 + -N) and total phosphorus (TP) are 5 water quality factors, and are evaluated against the Discharge Standard of Pollutants for Urban Sewage Treatment Plants (GB18918-2002).
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