CN103523984A - Landscape-type multifunctional three-dimensional artificial wetland - Google Patents
Landscape-type multifunctional three-dimensional artificial wetland Download PDFInfo
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- CN103523984A CN103523984A CN201210395150.8A CN201210395150A CN103523984A CN 103523984 A CN103523984 A CN 103523984A CN 201210395150 A CN201210395150 A CN 201210395150A CN 103523984 A CN103523984 A CN 103523984A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention provides a landscape-type multifunctional three-dimensional artificial wetland, and relates to a sewage treatment structure formed by connecting multiple layers of artificial wetland units in series. Each layer of the artificial wetland unit comprises a water distribution groove, a wetland main body and a water discharge groove; the artificial wetland units are positioned in a building formed by floor surfaces and beam columns so as to form a three-dimensional structure arrayed as the shape of floors; the water distribution grooves and water discharge grooves of the artificial wetland units of the adjacent floors are opposite in directions; the wetland main body comprises wetland plants and matrix. The landscape-type multifunctional three-dimensional artificial wetland is constructed by stacking the existing artificial wetlands in a three-dimensional manner so as to be shaped like the floors, so that the land occupation area is greatly reduced; the treatment of seepage-proofing areas can also be reduced. Thus, the construction cost of the artificial wetland is lowered. Compared with the existing artificial wetland, the landscape-type multifunctional three-dimensional artificial wetland provided by the invention has better natural aeration functions and can be used for oxygenating sewage well because waterfall-type water dropping modes among the floors can be adopted. The landscape-type multifunctional three-dimensional artificial wetland can perform thermal insulation to a certain extent, so that the difficult problem that the treatment effect of the traditional artificial wetland is decreased in winter due to the fact that the temperature is too low is solved.
Description
Technical field
The present invention relates to a kind of sewage treatment structure, specifically relate to a kind of landscape type multifunctional stereo artificial swamp.
Background technology
Artificial swamp be defined as artificial design and construction by saturated matrix, complex body that very water and submerged vegetation, animal and water body form, be one of natural treatment process of waste water (other mainly in addition stabilization pond systems and land treatment system two classes).
Artificial swamp is divided into 3 kinds of forms at present: surface current artificial wetland (SFW), drowned flow artificial wet land (SFS) and vertical current constructed wetland (VCW); Drowned flow artificial wet land is the type that study and are most widely used various countries.
Artificial wet land system is semi-open, a semi-enclosed ecosystem, it has formed good internal recycling, less investment, construction, cheap 1/10 to 1/5 left and right that is about traditional wastewater treatment plant cost of operation cost, the successful of disposing of sewage, simple to operate, maintenance and working cost are cheap, when disposing of sewage, can also plant grass, breed fish, additional income, economizes on resources, it has good economic benefit and ecological benefits, obtains that people more and more pay close attention to, research and development application.Now become the practical new technology of important sewage disposal.
By retrieving the document of nearly ten years, find, up to the present the problem that artificial swamp floor space is larger is not still effectively solved.Be mainly by the optimum combination of artificial swamp mesostroma, waterplant, microorganism at present, improve wetland processing efficiency and reduce floor space, but result is also not as people's will.In today of the nervous an inch of land is an inch of gold of current land used, can floor space have greatly seriously restricted the widespread use of artificial swamp, so reduce the problem of occupation of land face, be the vital problem that affects artificial swamp future development.
Summary of the invention
The object of this invention is to provide a kind of landscape type multifunctional stereo artificial swamp, adopt the form of floor, by existing artificial swamp with the stacked structure of three-dimensional mode, thereby with space, exchange the greatly floor space of the minimizing artificial swamp of degree of area for.
Technical scheme of the present invention is: a kind of landscape type multifunctional stereo artificial swamp, by multilayer artificial swamp units in series, formed, every one deck artificial swamp unit is comprised of cloth tank 2, wetland main body 3 and effluent trough 4 three parts, artificial swamp unit is placed in the building being comprised of aspect 5 and beam column 6, form the three-dimensional arrangement that floor form is arranged, the cloth tank of the artificial swamp unit of contiguous floors and effluent trough opposite direction; Described wetland main body 3 comprises wetland plant 7 and matrix 8.
Landscape type multifunctional stereo artificial swamp also comprises water pump 1, water pump 1 one end is sewage import, the other end is connected with the cloth tank 2 of top layer artificial swamp unit, sewage or pretreated sewage are promoted to the cloth tank 2 of top layer artificial swamp unit through water pump 1, sewage enters wetland main body 3 by cloth tank 2 and enters after treatment effluent trough 4, sewage enters lower one deck artificial swamp unit with hydraulic jump or waterfall type drop form after effluent trough 4, this step has been carried out aeration to sewage, has improved the oxygen level of sewage.This compares the problem that has not only solved sewage oxygen level deficiency with existing artificial swamp, removed the cost bringing because of artificial-strengthening aeration simultaneously.
Lowest layer artificial swamp unit also comprises impervious barrier 10, impervious barrier Main Function is to stop sewage to the infiltration of body of groundwater, the present invention only lowest layer artificial swamp unit need to do impervious barrier, reduced so on the one hand the contact area on wetland and ground, reduced the possibility of infiltration, greatly reduce on the other hand artificial swamp and done the area of antiseepage, reduced the cost producing due to antiseepage.
All toughened glass window, temperature controlling system, lighting system and ventilation plant are all installed in artificial swamp unit, and strengthening daylighting and heat insulation function solve the problem that the too low effect of Traditional Man wetland Yin Wendu in winter declines.
Artificial wetland effluent amount is large and fall when higher, and cloth tank 2 one end, artificial swamp unit arrange energy dissipator 13, and energy dissipator can be domatic or a plurality of conical surface projections, play local energy dissipating effect, make spray of water simultaneously, reach better aeration effect, improve the oxygen level of sewage.
Described artificial swamp unit cloth tank 2 and effluent trough 4 two ends arrange respectively hollow brick 14 and thin bamboo strips used for weaving 15, can effectively prevent erosion, and thin bamboo strips used for weaving can be changed easily.
Nature hydraulic gradient can be used in described every one deck artificial swamp unit, also certain gradient can be set.
Described landscape type multifunctional stereo artificial swamp can also comprise sewage pre-processing module, and described sewage pre-processing module comprises grid 11 and pretreatment pool 12.Grid is positioned at the sewage inlet place of pretreatment pool, and pretreatment pool is looped around around landscape type multifunctional stereo artificial swamp.Described sewage pre-processing module is arranged on underground, and the cloth tank 2 that pretreated sewage is promoted to top layer artificial swamp unit by water pump 1 is processed.
According to the requirement of sewage drainage standard, select whether to arrange disinfection apparatus.When water outlet is higher to germ index request, sterilization should meet the relevant regulations in GB50014, can below lowest layer artificial swamp unit impervious barrier, uv sterilisation unit 9 be set.The water body finishing from lowest layer artificial swamp cell processing, sterilizes through disinfection by ultraviolet light unit.
Artificial swamp unit is highly 3 ~ 6m between layers.
Described wetland plant 7 is alternanthera philoxeroides, Herba Eichhorniae, duckweed, water chestnut, floating heart, Caulis Miscanthis floriduli, parasol grass, reed, wilson iris, Scirpus tabernaemontani, cattail, water caltrop, calamus, founds flower, Spiked Loosestrife, watermifoil, eel grass, hornwort, hydrilla verticillata, mini imperial crown again, gathers one or several combinations in grass, p.malaianus, pad in shoe grass, the imperial lettuce of stone, mater convolvulus, iris, lotus, aquatic Canna generalis Bailey; Can consider from angle attractive in appearance the kind of each layer of plant.Described matrix 8 is the one or more combination in soil, fine sand, coarse sand, gravel, lime-ash, Wingdale, zeolite.
Artificial swamp unit should adopt perforated pipe, join (collection) water pipe, join the devices such as (collection) mill weir realize collection (joining) water evenly.
Beneficial effect:
1) landscape type multifunctional stereo artificial swamp can fundamentally solve the problem that artificial swamp floor space is large, has the wetland of n layer, takes up an area the 1/n that is original area, and this mode is that other modes cannot be compared for the minimizing degree of floor space.At accommodation value, during higher than every square metre of building cost of this building (a domestic line city), this patent design advantage is more obvious.
2) for the relatively high wet land system of load, aerobic biochemical reacts required oxygen mainly from air reaeration, but the amount of natural reaeration is often not enough, so conventionally will adopt artificial-strengthening oxygenation, and the landscape type multifunctional stereo artificial swamp of the present invention's design, it can be easy to form nature the jump mode of water or the direct mode of waterfall between layers, can solve wetland for the problem of hypoxgia, also removed the cost because taking artificial-strengthening oxygenation to bring from, wet land system organism and nitrogen removal usefulness have been had to obvious castering action simultaneously.
3) three-dimensional tandem artificial swamp only the lowest layer need to do antiseepage, reduced on the one hand the contact area on wetland and ground, reduce the possibility of infiltration, under soil isolation condition, carried out sewage disposal, avoided the possibility of Traditional Man wetland processing mode polluted underground water.Greatly reduce on the other hand artificial swamp and done the area of antiseepage, reduced the cost producing due to antiseepage.
4) temperature control, control are wet, and can increase artificial lighting, promote wastewater treatment effect.
5) solve the problem that high latitude area Traditional Man wetland winter processing power reduces.
Winter is cold, the medicine of urban population and personal care articles (PPCPs) consumption increases, need enhanced sewage to process, and now Traditional Man wetland exactly because of cold weather, processing efficiency reduces greatly, the controlling temp type that present method adopts is processed, and can well solve the problem that artificial wetland winter processing power reduces.
6) solve inhabitation and environmental protection, greening land conflict problem.
Three-dimensional tandem artificial swamp provided by the invention can be applied to the water circulation system of garden, down town and high-grade view community, function and view combine together, save land, energy-saving and environmental protection, when solution municipal effluent is processed this difficult problem nearby, can be community water resources reuse service is provided, tackle the water shortage problem of China most areas, meet the theory of conservation-minded society, embody the spirit of the harmonious symbiosis of human and environment.
Accompanying drawing explanation
Fig. 1: landscape type multifunctional stereo artificial swamp schematic diagram of the present invention;
Fig. 2: landscape type multifunctional stereo artificial swamp stereographic map between layers;
Fig. 3: every one deck artificial swamp cell schematics;
Fig. 4: the staged gradient arranges schematic diagram;
Fig. 5: sewage pre-processing module schematic diagram, grid is positioned at the sewage inlet place of pretreatment pool, and pretreatment pool is looped around around landscape type multifunctional stereo artificial swamp;
Wherein: 1-water pump, 2-cloth tank, 3-wetland main body, 4-effluent trough, 5-aspect, 6-beam column, 7-wetland plant, 8-matrix, 9-uv sterilisation unit, 10-impervious barrier, 11-grid, 12-pretreatment pool, 13-energy dissipator, 14-hollow brick, 15-thin bamboo strips used for weaving, 16-landscape type multifunctional stereo artificial swamp.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
A kind of landscape type multifunctional stereo artificial swamp, as shown in Figure 1, by multilayer artificial swamp units in series, formed, every one deck artificial swamp unit forms (as shown in Figure 3) by cloth tank 2, wetland main body 3 and effluent trough 4 three parts, and artificial swamp unit is placed in the building being comprised of aspect 5 and beam column 6, forms the three-dimensional arrangement that floor form is arranged, as shown in Figure 2, be highly 3 ~ 6m between layers, long-width ratio is 3:1, the cloth tank of the artificial swamp unit of contiguous floors and effluent trough opposite direction; Also comprise water pump 1, water pump 1 one end is sewage import, the other end is connected with the cloth tank 2 of top layer artificial swamp unit, sewage or pretreated sewage are promoted to the cloth tank 2 of top layer artificial swamp unit through water pump 1, sewage enters wetland main body 3 by cloth tank 2 and after physics, chemistry, biological treatment, enters effluent trough 4, sewage enters lower one deck artificial swamp unit with hydraulic jump or waterfall type drop form after effluent trough 4, lowest layer artificial swamp unit also comprises impervious barrier 10, and impervious barrier Main Function is to stop sewage to the infiltration of body of groundwater.Uv sterilisation unit 9 is set below impervious barrier, before sewage disposal finishes, further uses uv sterilisation, improve effluent characteristics.
Landscape type multifunctional stereo artificial swamp can also comprise sewage pre-processing module, described sewage pre-processing module comprises grid 11 and pretreatment pool 12, grid is positioned at the sewage inlet place of pretreatment pool, pretreatment pool is looped around around landscape type multifunctional stereo artificial swamp, according to the difference of sewage pollution degree and treatment capacity, pretreated degree and mode should consider the factors such as sewage quality, artificial swamp type and effluent quality requirement.Pre-processing module integral body is positioned at underground, sewage after pretreated is promoted to the cloth tank 2 of top layer artificial swamp unit by water pump 1, sewage enters wetland main body 3 through physics by cloth tank 2, chemistry, after biological treatment, enter effluent trough 4, sewage enters lower one deck artificial swamp unit with hydraulic jump or waterfall type drop form after effluent trough 4, artificial wetland effluent amount is large and fall when higher, cloth tank 2 one end, artificial swamp unit arrange energy dissipator 13, energy dissipator can be domatic or a plurality of conical surface projections, play local energy dissipating effect, make spray of water simultaneously, reach better aeration effect, improve the oxygen level of sewage.This step has been carried out aeration effect to sewage, has improved the oxygen level of sewage.Then by artificial swamp unit, carry out physics, chemistry, biological treatment successively from top to down, after lowest layer artificial swamp unit effluent trough, enter uv sterilisation unit 9, sterilization finishes, water outlet.
Described artificial swamp unit cloth tank 2 and effluent trough 4 two ends arrange respectively hollow brick and thin bamboo strips used for weaving, can effectively prevent erosion, and thin bamboo strips used for weaving can be changed easily.
Nature hydraulic gradient can be used in described every one deck artificial swamp unit, also certain gradient can be set.
Wetland main body 3 comprises wetland plant 7 and matrix 8, wetland plant 7 is alternanthera philoxeroides, Herba Eichhorniae, duckweed, water chestnut, floating heart, Caulis Miscanthis floriduli, parasol grass, reed, wilson iris, Scirpus tabernaemontani, cattail, water caltrop, calamus, found again flower, Spiked Loosestrife, watermifoil, eel grass, hornwort, hydrilla verticillata, mini imperial crown, poly-grass, p.malaianus, pad in shoe grass, stone dragon lettuce, mater convolvulus, iris, lotus, one or several combinations in aquatic Canna generalis Bailey, matrix 8 is soil, fine sand, coarse sand, gravel, lime-ash, Wingdale, zeolite, one or more combination in haydite.
Set up landscape type multifunctional stereo artificial swamp, by 5 layers of artificial swamp units in series, formed, floor form is arranged, be highly 3.6m between layers, every wetland unit length is 24m, width is 8m, the maximum processing water yield is 480t/d, the first layer is calamus and founds flower again, matrix is by upper layer of soil, middle level haydite, lower floor's gravel forms, stromal thickness is respectively 15cm, 20cm, 20cm, the second layer is Spiked Loosestrife, matrix is by upper layer of soil, middle level coarse sand, lower floor's zeolite forms, stromal thickness is respectively 15cm, 20cm, 20cm, the 3rd layer is watermifoil, eel grass, hornwort, hydrilla verticillata, p.malaianus and pad in shoe grass, the 4th layer is stone dragon lettuce, mater convolvulus, layer 5 is iris, aquatic Canna generalis Bailey, lotus.The 3rd to five layers of Wetland Substrate are comprised of upper strata fine sand, middle level lime-ash, lower floor's Wingdale, and stromal thickness is respectively 15cm, 20cm, 20cm.Artificial swamp unit arranges energy dissipator 13, and energy dissipator can be domatic or a plurality of conical surface projections, plays local energy dissipating effect, makes spray of water simultaneously, reaches better aeration effect, improves the oxygen level of sewage.Artificial swamp unit cloth tank 2 and effluent trough 4 two ends arrange respectively hollow brick and thin bamboo strips used for weaving, can effectively prevent erosion, and thin bamboo strips used for weaving can be changed easily.Lowest layer artificial swamp unit also comprises impervious barrier, uv sterilisation unit is set below impervious barrier, further uses uv sterilisation before sewage disposal finishes.All toughened glass window, temperature controlling system, lighting system and ventilation plant are all installed in artificial swamps unit, have daylighting and heat insulation function concurrently, solve the too low and problem that effect reduces of Traditional Man wetland Yin Wendu in winter.
Sewage treatment process: as shown in Figure 1, sewage directly enters grid and pretreatment pool, grid is positioned at the sewage inlet place of pretreatment pool, and pretreatment pool is looped around around landscape type multifunctional stereo artificial swamp.Sewage first passes through grid, hold back some macrobead dirts, then sewage enters pretreatment pool processing, sewage after pretreated is promoted to the cloth tank 2 of top layer artificial swamp unit by water pump 1, sewage enters wetland main body 3 by cloth tank 2 and after physics, chemistry, biological treatment, enters effluent trough 4, sewage enters lower one deck artificial swamp unit with hydraulic jump or waterfall type drop form after effluent trough 4, through energy dissipator, play local efficiency and function, make spray of water simultaneously, reach better aeration effect, improve the oxygen level of sewage.This step has been carried out aeration effect to sewage, has improved the oxygen level of sewage.Then by artificial swamp unit, carry out physics, chemistry, biological treatment successively from top to down, after lowest layer artificial swamp unit effluent trough, enter uv sterilisation unit 9, sterilization finishes, and water outlet, measures each material clearance.Sewage is first carried out to pre-treatment, then enter artificial swamp and process, the results are shown in Table 1; By sewage directly by water pump lifting to artificial swamp unit, carry out sewage disposal, measure the content of water inlet and each material of water outlet, the results are shown in Table 2.(hydraulic load is 0.5 m
3/ m
2.d, the residence time is 3d)
Table 1:
Table 2:
Above embodiment does not see limitation of the present invention as.
It is open highly different that the every one deck wetland unit of the present invention can be controlled lock by intake-outlet water level, and water level is different and the natural hydraulic gradient that forms also can be provided with the gradient.The implementation of the gradient has multiple, than as shown in Figure 4, is built into steppedly below every one deck wetland unit matrix, forms the gradient.
Claims (10)
1. a landscape type multifunctional stereo artificial swamp, by multilayer artificial swamp units in series, formed, it is characterized in that: every one deck artificial swamp unit is comprised of cloth tank (2), wetland main body (3) and effluent trough (4) three parts, artificial swamp unit is placed in the building being comprised of aspect (5) and beam column (6), form the three-dimensional arrangement that floor form is arranged, the cloth tank of the artificial swamp unit of contiguous floors and effluent trough opposite direction; Described wetland main body (3) comprises wetland plant (7) and matrix (8).
2. landscape type multifunctional stereo artificial swamp according to claim 1, is characterized in that: also comprise water pump (1), water pump (1) one end is sewage import, and the other end is connected with the cloth tank (2) of top layer artificial swamp unit.
3. landscape type multifunctional stereo artificial swamp according to claim 1, is characterized in that: lowest layer artificial swamp unit also comprises impervious barrier (10).
4. landscape type multifunctional stereo artificial swamp according to claim 1, is characterized in that: artificial swamp unit exterior wall is installed toughened glass window, temperature controlling system, lighting system and ventilation plant.
5. landscape type multifunctional stereo artificial swamp according to claim 1, is characterized in that: described artificial swamp unit cloth tank (2) one end arranges energy dissipator (13).
6. landscape type multifunctional stereo artificial swamp according to claim 1, is characterized in that: described artificial swamp unit cloth tank (2) and effluent trough (4) two ends arrange respectively hollow brick (14) and thin bamboo strips used for weaving (15).
7. landscape type multifunctional stereo artificial swamp according to claim 1, is characterized in that: also comprise sewage pre-processing module, described sewage pre-processing module comprises grid (11) and pretreatment pool (12), and grid is positioned at the sewage inlet place of pretreatment pool.
8. landscape type multifunctional stereo artificial swamp according to claim 3, is characterized in that: below lowest layer artificial swamp unit impervious barrier, uv sterilisation unit (9) is set.
9. landscape type multifunctional stereo artificial swamp according to claim 1, is characterized in that: artificial swamp unit is highly 3 ~ 6m between layers.
10. landscape type multifunctional stereo artificial swamp according to claim 1, is characterized in that: described wetland plant (7) is alternanthera philoxeroides, Herba Eichhorniae, duckweed, water chestnut, floating heart, Caulis Miscanthis floriduli, parasol grass, reed, wilson iris, Scirpus tabernaemontani, cattail, water caltrop, calamus, founds flower, Spiked Loosestrife, watermifoil, eel grass, hornwort, hydrilla verticillata, mini imperial crown again, gathers one or several combinations in grass, p.malaianus, pad in shoe grass, the imperial lettuce of stone, mater convolvulus, iris, lotus, aquatic Canna generalis Bailey; Described matrix (8) is the one or more combination in soil, fine sand, coarse sand, gravel, lime-ash, Wingdale, zeolite.
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Cited By (11)
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| CN104110059A (en) * | 2014-07-09 | 2014-10-22 | 同济大学 | Ecological filter groove construction method for cutting urban runoff pollution |
| CN104150582A (en) * | 2014-08-19 | 2014-11-19 | 中国建筑设计研究院 | Modularized energy-saving spatial formula sewage treatment device and system thereof used for multi-floor buildings |
| CN104961236A (en) * | 2015-06-23 | 2015-10-07 | 东南大学 | Device for enhancing drug residue removal of constructed wetland and preventing spreading of drug-resistant bacteria |
| CN105036347A (en) * | 2015-07-28 | 2015-11-11 | 浙江建设职业技术学院 | Constructed wetland plant community for watercourse in-situ remediation, and application of constructed wetland plant community |
| CN105330094A (en) * | 2015-09-06 | 2016-02-17 | 东南大学 | System for removing antibiotics in surface water through using root secretion reinforced wetland coupling system, and method thereof |
| CN105454026A (en) * | 2015-11-19 | 2016-04-06 | 中国科学院青岛生物能源与过程研究所 | Duckweed stereoscopic culturing apparatus |
| CN109292983A (en) * | 2018-09-27 | 2019-02-01 | 广州鹏凯环境科技股份有限公司 | A kind of drop filter column system for sanitary sewage disposal |
| CN110156251A (en) * | 2018-04-11 | 2019-08-23 | 云南省畜牧兽医科学院 | A method of livestock breeding wastewater is handled using plant factor |
| CN110526409A (en) * | 2019-09-09 | 2019-12-03 | 上海环境绿色生态修复科技有限公司 | A kind of vertical multi-stage constructed wetland device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104110059A (en) * | 2014-07-09 | 2014-10-22 | 同济大学 | Ecological filter groove construction method for cutting urban runoff pollution |
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| CN110902837A (en) * | 2019-12-05 | 2020-03-24 | 徐州工程学院 | Artificial lake point source pollution detention and purification artificial wetland |
| CN112441704A (en) * | 2020-11-24 | 2021-03-05 | 重庆大学 | Modular combined enhanced denitrification constructed wetland system |
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