Soil column combination matrix composite flow artificial wetland treatment system
An artificial wetland system and a technology for artificial wetlands are applied in the field of soil column combined matrix composite flow artificial wetland treatment system, which can solve the unfavorable diversified microenvironment of wetland system, cannot give full play to the role of wetland system matrix, and cannot comprehensively consider physical and chemical effects. The effect of promoting nitrification and denitrification, increasing habitat diversity, and enriching habitat types
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Embodiment 1
[0027] Experimental location: Zhangyan Village, Pingyao Town, a certain place
[0028] Treatment objects: slightly polluted water bodies in the village-level rivers of Zhangyan Village. The water body pollution sources are mainly rural non-point source pollution, rural domestic sewage and aquaculture wastewater. The content of organic matter in the water is relatively small, and nitrogen and phosphorus pollution is the main water quality problem.
[0029] Based on the soil column combined matrix composite flow constructed wetland system proposed in the present invention, we have designed three different composite matrix composite flow constructed wetland systems. The constructed wetland pool is welded by PVC boards, and the length, width and height dimensions are 1.4m× 0.4m×0.7m, the interior is divided into four areas by PVC boards: front filter unit I, combined matrix denitrification unit II, combined matrix dephosphorization unit III, fine filter unit IV, the lengths are 0.1...
Embodiment 2
[0036] Project location: the intersection of Caoqiao Creek and Beitiao Creek, Pingyao Town, a certain place
[0037] Treatment object: Micro-polluted water body in the Caoqiao River channel. The water body pollution sources are mainly rural non-point source pollution, rural domestic sewage and aquaculture wastewater. The characteristics of water quality and quantity are: large water volume, low organic matter content, and relatively high nutrient concentration. Therefore, the removal of nutrient salts is the main purpose of the treatment process.
[0038] Based on the soil column composite matrix composite flow constructed wetland system proposed in this invention, we have designed a daily processing capacity of 2000m 3 / d's eutrophic river artificial wetland treatment demonstration project, the project is located on the floodplain at the intersection of Caoqiao stream, the main pollution sources of upstream water are farmland irrigation wastewater, storm runoff, aquaculture w...
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