Method and device for treating and maintaining black and odorous water body by inoculating with activated sludge
A technology of black and odorous water body and inoculation activity, which is applied in water/sludge/sewage treatment, biological water/sewage treatment, energy and wastewater treatment, etc. Complete and other problems, to achieve the effect of maintaining the long-term stability of water quality, reducing nutrient pollution of ammonia nitrogen, and maintaining the ecological balance of water body
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Embodiment 1
[0048] In order to better remove organic pollutants in water bodies and reduce nutrient pollution of ammonia nitrogen, treatment is combined with long-term maintenance of water quality. In this example, the activated sludge of the secondary sedimentation tank of the sewage treatment plant is used as the highly active inoculated sludge, and the method of microbial strains in the activated sludge + floating plants is used to simultaneously treat the black and odorous water body.
[0049] In this embodiment, the treatment and maintenance of black and odorous water bodies mainly use a special device----a workboat to complete the operation process. In this embodiment, a mud-water mixing system, an oxygen-increasing aeration system, a sludge dosing and collection system, a floating plant collection and transmission system, a floating plant dehydration compression system, a power system, and a control system are installed on the hull of the workboat.
[0050] see figure 1 , figure...
Embodiment 2
[0071] A method and device for inoculating activated sludge to treat and maintain black and odorous water bodies in this embodiment are basically the same as in Embodiment 1, except that the mud flushing pipe 304 in this embodiment is inclined downward by 60°. Plant native floating water plants on the water surface of the river—water turtles, which are planted on the water surface on both sides of the river, with an area of 1 / 4 of the water body area; add active sludge to the river according to the ratio of activated sludge to water sediment mass ratio of 1:6 sludge.
Embodiment 3
[0073] A method and device for inoculating activated sludge to treat and maintain black and odorous water bodies in this embodiment are basically the same as in Embodiment 1, except that the mud flushing pipe 304 in this embodiment is inclined downward by 45°. Plant native floating water plants on the water surface of the river—water turtles, planted on the water surface on both sides of the river, the area is 1 / 3 of the water body area; add active sludge to the river according to the mass ratio of activated sludge to water body sediment mass ratio of 1:10 sludge.
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