CN112811726A - Advanced sewage treatment device and application thereof - Google Patents
Advanced sewage treatment device and application thereof Download PDFInfo
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- CN112811726A CN112811726A CN202011634217.XA CN202011634217A CN112811726A CN 112811726 A CN112811726 A CN 112811726A CN 202011634217 A CN202011634217 A CN 202011634217A CN 112811726 A CN112811726 A CN 112811726A
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- 239000010865 sewage Substances 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000012528 membrane Substances 0.000 claims abstract description 35
- 238000004062 sedimentation Methods 0.000 claims abstract description 17
- 238000005189 flocculation Methods 0.000 claims abstract description 14
- 230000016615 flocculation Effects 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims description 46
- 239000002689 soil Substances 0.000 claims description 16
- 244000302661 Phyllostachys pubescens Species 0.000 claims description 14
- 235000003570 Phyllostachys pubescens Nutrition 0.000 claims description 14
- 241000196324 Embryophyta Species 0.000 claims description 13
- 238000004065 wastewater treatment Methods 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 238000000746 purification Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 239000011241 protective layer Substances 0.000 claims description 7
- 238000005273 aeration Methods 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 235000005273 Canna coccinea Nutrition 0.000 claims description 3
- 240000008555 Canna flaccida Species 0.000 claims description 3
- 244000025254 Cannabis sativa Species 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 241000209082 Lolium Species 0.000 claims description 2
- 240000001398 Typha domingensis Species 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 241000233948 Typha Species 0.000 description 5
- 239000004744 fabric Substances 0.000 description 5
- 239000008394 flocculating agent Substances 0.000 description 5
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 4
- 229920002401 polyacrylamide Polymers 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Inorganic Chemistry (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to a sewage advanced treatment device, which is sequentially provided with a flocculation tank (2), a sedimentation tank (3), an MBR membrane treatment tank (4) and an artificial wetland (13) along the water flow direction, can discharge sewage after being treated by a plurality of steps, and can be used for purifying and treating rivers, lakes and urban landscape water bodies. The water treatment device can effectively remove ammonia nitrogen and other refractory organic matters, and the floating wetland has good pollutant removal capacity and landscape effect.
Description
Technical Field
The invention designs a sewage treatment device, in particular to a sewage advanced treatment device combined with a membrane treatment means.
Background
Along with the development of social economy, high-rise buildings and buildings stand, the water pollution condition is getting worse day by day, people have high requirements on the comfort level of life, the sewage recycling and the attractiveness of a river channel are urgently solved, the water pollution is aggravated due to the pollution of a plurality of rivers and lakes, the water environment is worsened due to the fact that the sewage of a plurality of remote areas and suburbs cannot be treated for a long time, and the pollution of the discharged sewage and wastewater to the environment is large due to the factors of imperfect drainage systems, complex sewage treatment facilities, difficult implementation and the like in the remote areas such as towns and the like. In recent years, sewage treatment equipment tends to be miniaturized, and integrated equipment is produced. At present, most sewage treatment equipment adopts various treatment modes such as physical treatment, chemical treatment, biological treatment and the like, but a complex treatment device brings much inconvenience to later maintenance and use.
Therefore, new and convenient water treatment technologies are needed, the water quality of the water body is improved, the good sensory effect of the water body is achieved, and the self-purification capacity of the water body is improved.
Disclosure of Invention
The invention aims to provide a sewage advanced treatment device which has the advantages of beautifying a river channel and greatly improving the water quality due to small occupied area and can be used for treating urban domestic sewage.
The invention aims to solve the problem of convenience and advanced treatment of the river water which needs to improve the landscape water quality of the water body transparency or the water quality standard.
The technical scheme of the invention is that the sewage advanced treatment device is provided with a flocculation tank, a sedimentation tank, an MBR membrane treatment tank and an artificial wetland in sequence along the water flow direction.
Further, flocculation basin left side top be equipped with the inlet tube, inlet tube outlet department is equipped with keeps off and flows the board, inside is equipped with agitating unit, drives the agitator through the motor, is provided with the overflow mouth between flocculation basin and the sedimentation tank.
Further, a flocculating agent storage tank is arranged beside the flocculation tank, and a flocculating agent is added into the flocculation tank. The flocculating agent is selected from at least one of aluminum sulfate, aluminum chloride, ferric sulfate, ferric chloride and PAM (polyacrylamide).
Furthermore, a flow baffle is arranged at an overflow hole at the upper part of the left side of the sedimentation tank,
further, sedimentation tank water level top be equipped with electronic mud scraper, the right side is provided with the dross and gets rid of the groove, sedimentation tank bottom left side is equipped with the mud collection fill, the right side is adjacent with MBR membrane treatment tank through the overflow wall.
Furthermore, a membrane module is arranged in the MBR membrane treatment tank, a water collecting pipe is arranged below the membrane module to collect clear water after membrane treatment, a row of aeration heads are arranged at the bottom of the MBR membrane treatment tank, and treated sewage is discharged into a river channel through the water collecting pipe.
Furthermore, clear water collected by the water collecting pipe flows into the artificial wetland for further purification treatment, and the artificial wetland is of a multilayer structure and sequentially comprises a bottom frame layer, a supporting layer, a filter material layer, a planting soil layer and plants from bottom to top.
Furthermore, the artificial wetland is an artificial floating wetland, the bottom frame layer is made of two mutually vertical and staggered moso bamboo layers, the staggered parts of the moso bamboo are tightly bound by nylon ropes, the diameter of the moso bamboo is 10-20cm, and the supporting layer is made of grass cattail bags or bamboo cattail bags.
Furthermore, a layer of cloth is laid on the cattail bag made of grass, and small holes with the diameter of 1cm and the distance of 10cm are punched in advance on the cloth, so that the growth of plant roots is facilitated.
Furthermore, the filter material layer is paved with the ceramsite and volcanic mixed filler packaged by the non-woven fabric bags, and the ceramsite and the volcanic mixed filler have the characteristics of developed gaps, large specific surface area and the like, so that the biological bacteria has strong attachment capacity, a good decomposition effect on organic matters in a water body is achieved, a hollow bubble structure is formed among the gaps, and the buoyancy effect is improved.
Furthermore, a planting soil layer is arranged above the filter material layer, and the planting soil layer is provided with light plastic lattices for storing planting soil, wherein the planting soil is filled in the lattices and plants are planted in the lattices.
Further, the planting soil layer is 10-20cm thick, and the plants are at least 2 plants selected from ryegrass, iris and dwarf canna.
Furthermore, the periphery of the artificial wetland is provided with a protective layer, the protective layer comprises double-layer moso bamboos vertically fixed in a staggered manner and a layer of fishing net clamped between the double-layer moso bamboos, and the bottom of the wetland is fixedly connected with the fixed anchor of the river bottom through a rope.
The invention also provides an application of the sewage advanced treatment device, and particularly relates to the sewage advanced treatment device which is used for purifying the water body of a river channel, an artificial canal or an urban landscape water area.
The MBR membrane treatment tank is internally provided with an MBR membrane module, the bottom of the tank is provided with a row of aeration head devices, aeration is provided by an external motor, membrane separation enables microorganisms to be completely intercepted on the surface of the reactor to form a biological membrane, biochemical reaction of the microorganisms is enhanced through aeration, the overall removal efficiency of pollutants is enhanced, a water collecting pipe is connected below the MBR membrane module, treated sewage is discharged into a river channel through the water collecting pipe, a flow dividing pipe is arranged on the water collecting pipe close to the membrane module, water is pumped through an external pump to back flush the membrane module, and the treatment efficiency of the membrane module is ensured. The purified water quality degrades the content of ammonia nitrogen and organic matters to a great extent, and has good purification effect on the water body by filtering the ecological floating wetland again.
The whole bottom framework of the floating wetland module is made of moso bamboos, the periphery of the framework substrate is also reinforced and enclosed by two layers of moso bamboos with small diameters in a vertically staggered manner, a layer of fishing net is additionally arranged between the two layers, and the joints of the peripheral protective layers and the bottom framework are also tightly bound by nylon ropes. The whole mao bamboo structure is hollow inside and has strong buoyancy, and the mao bamboo is solid and durable, is not afraid of wind and sunlight, and natural and environment-friendly materials are good for water ecology and do not pollute aquatic plants like plastics.
Description of the drawings:
FIG. 1 is a schematic view of the structure of the integrated device of the present invention
FIG. 2 is a schematic structural view of the artificial floating wetland of the present invention
Detailed Description
In order to better show the technical means and features of the invention, the invention is further described below with reference to specific embodiments.
As shown in figure 1, the advanced wastewater treatment device is provided with a flocculation tank 2, a sedimentation tank 3, an MBR membrane treatment tank 4 and an artificial wetland 13 in sequence along the water flow direction. 2 left side top in flocculation basin be equipped with inlet tube 1, 1 delivery department of inlet tube is equipped with and keeps off and flows the board, inside is equipped with agitating unit 5, still is provided with medicament inlet (not shown in the figure), drives the agitator through the motor, is provided with the overflow mouth between flocculation basin 2 and the sedimentation tank 3. 3 left side top overflow hole department of sedimentation tank be equipped with baffle 6, 3 surface of water tops of sedimentation tank be equipped with electronic mud scraper, the right side is provided with the dross and gets rid of groove (8), 3 bottom left sides of sedimentation tank are equipped with mud collecting hopper, the right side is adjacent with MBR membrane treatment tank 4 through the overflow wall. A membrane module 9 is arranged in the MBR membrane treatment tank 4, a water collecting pipe 12 is arranged below the membrane module 9 to collect clear water after membrane treatment, a row of aeration heads 11 are arranged at the bottom of the MBR membrane treatment tank 4, and treated sewage is discharged into a river channel through the water collecting pipe; the water collecting pipe 12 is provided with a branch pipe 10 for back flushing the membrane module 9. The clean water collected by the water collecting pipe 12 flows into the artificial wetland 13 and is discharged after further purification treatment.
The constructed wetland 13 artificial floating wetland adopted in the embodiment is of a multilayer structure and sequentially comprises a bottom frame layer 14, a supporting layer 15, a filter material layer 15, a planting soil layer 18 and plants 18 from bottom to top. Bottom frame layer 14 adopts two-layer mutually perpendicular crisscross mao bamboo layer to make, and mao bamboo staggered position adopts nylon rope to tie up tightly, and mao bamboo diameter is about 15cm, supporting layer 15 adopts bamboo cattail package. A layer of cloth is laid on the bamboo cattail bag, and small holes with the diameter of 1cm and the distance of 10cm are punched in advance on the cloth, so that the growth of plant roots is facilitated. Cloth top sets up filter bed 15, filter bed 15 lay haydite and the volcanic mixed filler of non-woven fabrics bag packing, filter bed 15 top sets up planting soil layer 17, planting soil layer 17 is provided with the light plastics check of depositing planting soil, loads planting soil and plants plant 18 in it, and the plant 18 of this embodiment is iris and dwarf canna. The periphery of the artificial wetland 13 is provided with a protective layer 19, the protective layer 19 comprises double-layer moso bamboos which are vertically fixed in a staggered mode and a layer of fishing net clamped between the double-layer moso bamboos, and the bottom of the wetland is fixedly connected with iron foot piles, into which bottom mud is driven, of a river bottom through ropes 20, so that the floating wetland is prevented from having large displacement under the condition of strong wind. .
When using specifically, sewage passes through the sewage pump and introduces flocculation basin 1 from inlet tube 1, add the flocculating agent in the flocculation basin, this embodiment adopts aluminium chloride and PAM flocculating agent, after the stirring treatment, get into sedimentation tank 3 through the overflow hole, it scrapes the mud of bottom to be provided with collection mud funnel and concentrates the emission to be provided with the mud to the left side to be provided with electronic mud scraper 7 in the sedimentation tank, scrape the dross on surface simultaneously and get into the dross at right side top and get rid of groove 8, then sewage gets into MBR membrane treatment pond 4 through the overflow wall and carries out membrane treatment, the clear water after the processing is converged into collector pipe 12 and is got into the artificial showy wetland, further ecological purification on the artificial showy wetland, under the purification of the aquatic plant of ecological wetland and the purifying action of filter layer, finally make the.
After the sewage is treated by the sewage advanced treatment device, the content of ammonia nitrogen and other organic matters in water is greatly reduced, the phosphorus and nitrogen levels can be reduced to meet the requirement of environmental protection, the transparency of the water body can be effectively increased, and meanwhile, the content of dissolved oxygen in the water is also increased through the ecological purification of the artificial wetland, so that the water quality of the water body is optimized.
Finally, it should be noted that the above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a sewage advanced treatment unit which characterized in that: a flocculation tank (2), a sedimentation tank (3), an MBR membrane treatment tank (4) and an artificial wetland (13) are sequentially arranged along the water flow direction.
2. The advanced wastewater treatment plant according to claim 1, characterized in that: flocculation basin (2) left side top is equipped with inlet tube (1), and inlet tube (1) water outlet department is equipped with and keeps off and flows the board, and inside is equipped with agitating unit (5), drives the agitator through the motor, is provided with the overflow mouth between flocculation basin (2) and sedimentation tank (3).
3. The advanced wastewater treatment plant according to claim 1, characterized in that: a baffle (6) is arranged at an overflow hole at the upper part of the left side of the sedimentation tank (3),
the surface of water top is equipped with electronic mud scraper, and the right side is provided with the dross and gets rid of the groove, and sedimentation tank (3) bottom left side is equipped with the mud collection fill, and the right side is adjacent with MBR membrane treatment tank (4) through the overflow wall.
4. The advanced wastewater treatment plant according to claim 1, characterized in that: the membrane treatment device is characterized in that a membrane module (9) is arranged inside the MBR membrane treatment tank (4), a water collecting pipe (12) is arranged below the membrane module (9) to collect clear water after membrane treatment, a row of aeration heads (11) is arranged at the bottom of the MBR membrane treatment tank (4), and treated sewage is discharged into a river channel through the water collecting pipe.
5. The advanced wastewater treatment plant according to claim 1, characterized in that: clear water collected by the water collecting pipe (12) flows into the artificial wetland (13) for further purification treatment, wherein the artificial wetland (13) is of a multilayer structure and sequentially comprises a bottom frame layer (14), a supporting layer (15), a filter material layer (16), a planting soil layer (17) and plants (18) from bottom to top.
6. The advanced wastewater treatment plant according to claim 5, characterized in that: the artificial wetland (13) is an artificial floating wetland, the bottom frame layer (14) is made of two mutually vertical and staggered moso bamboo layers, the staggered parts of the moso bamboo are tightly bound by nylon ropes, the diameter of the moso bamboo is 10-20cm, and the supporting layer (15) is made of grass or bamboo cattail bags.
7. The advanced wastewater treatment plant according to claim 5, characterized in that: the filter material layer (15) is paved with ceramsite and volcanic mixed filler packaged by non-woven fabric bags, the planting soil layer (17) is provided with light plastic lattices for storing planting soil, and the planting soil is filled in the lattices and is planted with plants (18).
8. The advanced wastewater treatment plant according to claim 5, characterized in that: the planting soil is 10-20cm thick, and the plants (18) are at least 2 plants selected from ryegrass, iris, dwarf canna.
9. The advanced wastewater treatment plant according to claim 6, characterized in that: the artificial wetland (13) is provided with a protective layer (19) on the periphery, the protective layer (19) comprises double-layer moso bamboos vertically staggered and fixed and a layer of fishing net clamped between the double-layer moso bamboos, and the bottom of the wetland is fixedly connected with the fixed anchor of the river bottom through a rope (20).
10. Use of the advanced wastewater treatment plant according to claims 1 to 9, characterized in that: the sewage advanced treatment device is used for water body purification treatment of a river channel, an artificial canal or an urban landscape water area.
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| CN202011634217.XA CN112811726A (en) | 2020-12-31 | 2020-12-31 | Advanced sewage treatment device and application thereof |
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| CN202011634217.XA CN112811726A (en) | 2020-12-31 | 2020-12-31 | Advanced sewage treatment device and application thereof |
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Cited By (2)
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|---|---|---|---|---|
| CN114804334A (en) * | 2022-04-11 | 2022-07-29 | 同济大学 | Water ecological treatment system and process and application thereof |
| CN116081850A (en) * | 2022-09-09 | 2023-05-09 | 广东工业大学 | Aquaculture tail water treatment method |
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