Ecological treatment device and process for aquaculture wastewater
An aquaculture and ecological treatment technology, applied in the fields of animal husbandry wastewater treatment, biological water/sewage treatment, adsorbed water/sewage treatment, etc., can solve problems such as neglect
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Embodiment 1
[0047] 5) The downstream vertical subsurface flow artificial wetland collects the purified wastewater to the outlet channel 9 through the water collecting pipe 14, and the aquaculture wastewater is treated, and the outlet water can be used continuously by aquaculture. Embodiment 1: a certain fish farming wastewater is treated
[0048] Example 1
[0049] To treat a fish farming wastewater, an ecological treatment process for aquaculture wastewater is proposed, combining Figure 1-3 , which includes regulating pool 1, triangular weir 2, water inlet channel 3, humic acid modified iron slag filler layer 4, fine gravel layer 5, perforated flower wall 5, aquatic plant layer 8, outlet channel 9, upflow wet ground cloth Water pipe 10, water distribution branch pipe 11 of upflow wetland water distribution pipe 10, downflow wetland water distribution pipe 7, water distribution branch pipe 11 of downflow wetland water distribution pipe 7, coarse gravel layer 12, volcanic rock layer 13, ...
Embodiment 2
[0051] To treat a certain shrimp farming wastewater, the object of this comparative example 2 is a certain shrimp farming wastewater, and the other conditions are the same as those in Example 1 except for the aquatic plants and treatment time.
[0052] Specifically, in the composite vertical subsurface flow constructed wetland of this embodiment, the planting density of aquatic plants is 16 plants / m 2 , the aquatic plants are canna and evergreen iris. The ratio of humic acid modified iron slag, fine crushed stone, volcanic rock and coarse crushed stone is 1:2:2:1. In the composite vertical subsurface flow constructed wetland, the specifications of the humic acid-modified iron slag filler layer, fine crushed stone layer, volcanic rock layer, and coarse crushed stone layer are 1cm, 2cm, 4cm, and 5cm, respectively. The specific steps are: pump the fish farming wastewater into the adjustment tank 1 through the sewage pump for pretreatment, and after the preliminary sedimentation,...
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