CN114653743A - Heavy metal contaminated soil treatment equipment - Google Patents
Heavy metal contaminated soil treatment equipment Download PDFInfo
- Publication number
- CN114653743A CN114653743A CN202210220818.9A CN202210220818A CN114653743A CN 114653743 A CN114653743 A CN 114653743A CN 202210220818 A CN202210220818 A CN 202210220818A CN 114653743 A CN114653743 A CN 114653743A
- Authority
- CN
- China
- Prior art keywords
- tube
- heavy metal
- pipe
- contaminated soil
- soil treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002689 soil Substances 0.000 title claims abstract description 42
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 41
- 238000004062 sedimentation Methods 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000008595 infiltration Effects 0.000 claims description 12
- 238000001764 infiltration Methods 0.000 claims description 12
- 230000035515 penetration Effects 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 abstract description 14
- 239000000126 substance Substances 0.000 abstract description 3
- 238000001556 precipitation Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 239000012716 precipitator Substances 0.000 description 7
- 239000002244 precipitate Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000035699 permeability Effects 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000009393 electroremediation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 231100000171 higher toxicity Toxicity 0.000 description 1
- 231100001240 inorganic pollutant Toxicity 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses heavy metal contaminated soil treatment equipment which comprises a permeation tube with an opening at the upper end, wherein a plurality of permeation holes are formed in the side wall of the permeation tube, a sedimentation tube with an opening at the upper end is arranged in the permeation tube, a movable gap is formed between the bottom of the sedimentation tube and the bottom of the permeation tube, a rotating shaft is rotatably connected in the sedimentation tube, the upper end of the rotating shaft penetrates through the sedimentation tube and is detachably connected with a one-way spiral impeller, the one-way spiral impeller can only rotate in more than one direction, the lower end of the rotating shaft penetrates through the sedimentation tube and is connected with a driving gear in the movable gap, a drainage tube with an opening at the lower end is arranged on the side wall of the sedimentation tube along the height direction of the side wall, the upper end of the drainage tube is communicated with the interior of the sedimentation tube, a spiral push rod is rotatably connected with the drainage tube, and the lower end of the spiral push rod is connected with a transmission gear driven by the driving gear. The invention adopts physical and chemical combination to gradually remove heavy metal ions, thereby gradually and fundamentally solving the problem of heavy metal pollution.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to heavy metal contaminated soil treatment equipment.
Background
The inorganic pollutants in the soil are relatively outstanding in heavy metal, and the heavy metal is easy to accumulate because the heavy metal cannot be decomposed by soil microorganisms and is converted into methyl compounds with higher toxicity, and even some methyl compounds are accumulated in a human body at harmful concentration through a food chain, so that the human health is seriously harmed. The main treatment methods for removing heavy metals from soil include physical methods: soil dressing, soil replacement method, heat treatment method (steam extraction); the physical and chemical method comprises the following steps: immobilization (stabilization), leaching, electrokinetic remediation; plant restoration method, plant-microorganism combined restoration method and animal restoration method. The methods have advantages and disadvantages, but most methods cannot permanently solve the problem of heavy metal pollution of soil, most of the methods still retain heavy metals in the polluted soil in other forms or are absorbed in the body by plants, animals or microorganisms, and the problem of heavy metal pollution is difficult to fundamentally solve.
Disclosure of Invention
The invention aims to provide heavy metal contaminated soil treatment equipment, which gradually removes heavy metal ions by adopting physical and chemical combination and gradually solves the problem of heavy metal contamination.
The technical purpose of the invention is realized by the following technical scheme:
a heavy metal contaminated soil treatment device comprises a permeation tube with an open upper end, a plurality of permeation holes are formed in the side wall of the permeation tube, a sedimentation tube with an open upper end is arranged in the permeation tube, a movable gap is formed between the bottom of the sedimentation tube and the bottom of the permeation tube, a rotating shaft is rotatably connected in the sedimentation tube, the upper end of the rotating shaft penetrates out of the sedimentation tube and is detachably connected with a one-way spiral impeller which can only rotate in more than one direction, the lower end of the rotating shaft penetrates out of the sedimentation tube and is connected with a driving gear in the movable gap, a drainage tube with an open lower end is arranged on the side wall of the sedimentation tube along the height direction of the drainage tube, the upper end of the drainage tube is communicated with the interior of the sedimentation tube, a spiral push rod is rotatably connected in the drainage tube, and the lower end of the spiral push rod is connected with a transmission gear driven by the driving gear, when the unidirectional spiral impeller rotates, the spiral push rod is driven to rotate, and the trend of upward pushing is achieved.
By adopting the technical scheme, the equipment is inserted into the soil polluted by heavy metal, or the equipment is inserted after soil is turned over, a plurality of the equipment are inserted according to a certain distance, a certain amount of precipitator (such as lime) is added into the precipitation pipe, then the soil is watered or the like in rainy days, water permeates into the soil to form effusion, so that heavy metal ions in the soil are gradually dissolved into the effusion, the effusion enters the permeation pipe through the permeation hole in the soil, when wind blows the unidirectional helical impeller, the unidirectional helical impeller drives the rotating shaft to always rotate towards the same direction, the driving gear below drives the transmission gear to rotate, the helical push rod is finally driven to rotate, the effusion in the movable gap is gradually pushed upwards by the rotating helical push rod, finally enters the precipitation pipe from the upper end, and after the heavy metal ions contact with the precipitator, the heavy metal ions and the heavy metal ions are subjected to chemical reaction to generate precipitation, after a period of precipitation, taking out the generated precipitate, pumping out water in the precipitation tube, continuously adding a precipitator for precipitation, and gradually removing heavy metal ions.
The invention is further provided with: an annular filter tank is placed at the bottom of the settling tube, a plurality of filter holes are formed in the bottom of the annular filter tank, the rotating shaft penetrates through the middle of the annular filter tank and is connected with the annular filter tank in a rotating mode, the outer diameter of the annular filter tank is equal to the inner diameter of the settling pond, the inner diameter of the annular filter tank is equal to the outer diameter of the rotating shaft, two oppositely-arranged pull strips are upwards arranged on the edge of the annular filter tank, and each pull strip extends out of the opening end of the settling tube and is outwards provided with an ear.
Through adopting above-mentioned technical scheme, be convenient for take out the sediment in the sedimentation pipe.
The invention is further provided with: and annular filter paper is laid at the bottom of the annular filter tank.
The invention is further provided with: and a nylon net is sleeved outside the permeation tube.
The invention is further provided with: the unidirectional helical impeller comprises a central shaft and a plurality of helical blades arranged outside the central shaft, and the cross section of each helical blade is arc-shaped and is helical around the central shaft in the same direction.
The invention is further provided with: the upper end of pivot is provided with the cross-section and is the axle of inserting of rectangle, the lower extreme of center pin upwards seted up with the jack that the axle can be dismantled to be connected and the cross-section is the rectangle is inserted.
The invention is further provided with: the outer wall of the settling tube is connected with the inner wall of the permeation tube through a plurality of vertically arranged connecting strips.
The invention is further provided with: the open end of the penetration pipe is detachably connected with a sealing cover base, the rotating shaft penetrates out of the sealing cover base upwards to be connected with the one-way spiral impeller, and the lower end of the sealing cover base is provided with a plurality of connecting clamping grooves matched and clamped with the brace.
The invention is further provided with: and a stirrer is arranged outside the rotating shaft in the settling pipe.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the device can gradually collect the accumulated liquid in the soil, and the heavy metal ions in the accumulated liquid react to generate precipitate, and the precipitate is directly taken away, so that the content of the heavy metal ions in the soil is gradually reduced, and the heavy metal ions in the soil are fundamentally removed;
secondly, the wind power is utilized to drive the spiral push rod to upwards convey water in the permeation tube into the precipitation tube, so that accumulated liquid is prevented from permeating soil after entering the permeation tube, and the accumulated liquid and a precipitator can react to generate precipitates more fully and efficiently.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a view showing the connection among the permeation tube, the rotary shaft, the base of the sealing cap, and the unidirectional helical impeller;
FIG. 3 is a schematic view for showing the internal structure of the present invention;
FIG. 4 is primarily used to show the relationship of the annular filter tank to the annular filter paper;
fig. 5 is a schematic view of the overall structure of the unidirectional helical impeller.
In the figure: 1. a permeate tube; 11. a penetration hole; 12. a connecting strip; 13. a clearance for movement; 2. a nylon mesh; 3. a settling tube; 4. a seal cap base; 41. a connecting clamping groove; 5. a rotating shaft; 51. inserting a shaft; 52. a drive gear; 6. a unidirectional helical blade; 61. a central shaft; 62. a helical blade; 63. a jack; 7. a drainage tube; 71. a screw pushing rod; 72. a transmission gear; 8. an annular filter tank; 81. a filtration pore; 82. bracing; 83. an ear; 9. annular filter paper; 10. a stirrer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment, refer to fig. 1-5, a heavy metal contaminated soil treatment equipment, including upper end open-ended infiltration pipe 1, a plurality of permeability holes 11 have been seted up to the lateral wall of infiltration pipe 1, infiltration pipe 1 overcoat has one deck nylon wire 2, prevent that soil from entering infiltration pipe 1 from permeability holes 11, be provided with an upper end open-ended precipitation tube 3 in the infiltration pipe 1, be provided with one section clearance 13 between the bottom of precipitation tube 3 and the bottom of infiltration pipe 1, infiltration pipe 1 does not have permeability holes 11 in clearance 13's part, the outer wall of precipitation tube 3 is connected through the connecting strip 12 of five vertical settings with the inner wall of infiltration pipe 1, the open end of infiltration pipe 1 can be dismantled and be connected with a sealed lid base 4, sealed lid base 4 can prevent that rainy day rainwater directly enters into in infiltration pipe 1 and precipitation pipe 3, the lower extreme of sealed lid base 4 is provided with five draw-in grooves 41 of brace and 82 complex joint.
3 internal rotations of sedimentation tube are connected with a pivot 5, the upper end of pivot 5 is worn out sedimentation tube 3 and can be dismantled and be connected with a one-way spiral leaf 6 wheel, sealed lid base 4 and the 6 wheel connections of one-way spiral leaf are upwards worn out in pivot 5, one-way spiral leaf 6 wheel can only surpass a direction and rotate, one-way spiral leaf 6 wheel includes a center pin 61, four set up in the outer helical blade 62 of center pin 61, the cross-section of each helical blade 62 all is the arc and all winds center pin 61 spiral towards same direction, make no matter how the wind direction changes, one-way spiral leaf 6 wheel all can drive pivot 5 towards same direction rotations, the upper end of pivot 5 is provided with a cross-section and is the axle 51 of inserting of rectangle, the lower extreme of center pin 61 upwards has seted up one and can dismantle with the axle 51 of inserting and be connected and the cross-section is the jack 63 of rectangle.
The lower end of the rotating shaft 5 penetrates through the sedimentation tube 3 and is connected with a driving gear 52 in the movable gap 13, the side wall of the sedimentation tube 3 is provided with a drainage tube 7 with an opening at the lower end along the height direction, the upper end of the drainage tube 7 is communicated with the inside of the sedimentation tube 3, a spiral push rod 71 is rotatably connected in the drainage tube 7, the lower end of the spiral push rod 71 is connected with a transmission gear 72 which is meshed with the driving gear 52 in a driving way, a gap is reserved between the driving gear 52 and the opening end at the lower end of the drainage tube 7, water can enter conveniently, and when the unidirectional spiral blade 6 rotates, the spiral push rod 71 is driven to rotate and has the trend of pushing upwards.
An annular filter tank 8 has been placed to the bottom of sedimentation tube 3, a plurality of filtration pores 81 have been seted up to the bottom of annular filter tank 8, pivot 5 passes the middle part of annular filter tank 8 and rotates with it to be connected, the external diameter of annular filter tank 8 equals the internal diameter of sedimentation tank, the internal diameter of annular filter tank 8 equals the external diameter of pivot 5, an annular filter paper 9 has been laid to the bottom of annular filter tank 8, the edge of annular filter tank 8 upwards is provided with the brace 82 of two relative settings, the open end that each brace 82 all stretches out sedimentation tube 3 outwards is provided with an ear 83, the outside of pivot 5 in be provided with three agitator 10 in the sedimentation tube 3, agitator 10 is the C type and is located the top of annular filter tank 8, agitator 10 stirs the hydrops in the sedimentation tube 3 when rotating, make the precipitant change and react with heavy metal ion and generate the sediment.
The using method comprises the following steps: the equipment is inserted into the soil polluted by heavy metal, or the equipment is inserted into the soil after the soil is turned over, a plurality of the equipment are inserted according to a certain distance, a certain amount of precipitator (such as lime) is added into the sedimentation pipe 3, then the soil is watered or the soil is watered in rainy days, water permeates into the soil to form effusion, so that heavy metal ions in the soil are gradually dissolved into the effusion, the effusion enters the permeation pipe 1 through the permeation hole 11 in the soil, when wind blows the unidirectional spiral vane 6 wheel, the unidirectional spiral vane 6 wheel drives the rotating shaft 5 to always rotate towards the same direction, the driving gear 52 below drives the transmission gear 72 to rotate, finally the spiral push rod 71 is driven to rotate, the effusion in the movable gap 13 is gradually pushed upwards by the rotating spiral push rod 71, finally, the effusion enters the sedimentation pipe 3 from the upper end, and after the heavy metal ions contact with the precipitator, chemical reaction is generated and precipitates, after a period of precipitation, the unidirectional spiral blade 6 wheel and the sealing cover base 4 are detached, the generated precipitate is taken out through the annular filter tank 8, water in the precipitation tube 3 is pumped out, and a precipitator is continuously added for precipitation, so that heavy metal ions are gradually removed.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a heavy metal contaminated soil treatment equipment, includes upper end open-ended infiltration pipe (1), its characterized in that: a plurality of penetration holes (11) are formed in the side wall of the penetration pipe (1), a settling pipe (3) with an upper end opening is arranged in the penetration pipe (1), a movable gap (13) is formed between the bottom of the settling pipe (3) and the bottom of the penetration pipe (1), a rotating shaft (5) is connected in the settling pipe (3) in a rotating manner, the upper end of the rotating shaft (5) penetrates out of the settling pipe (3) and is detachably connected with an one-way spiral blade (6) wheel, the one-way spiral blade (6) wheel can only rotate in more than one direction, the lower end of the rotating shaft (5) penetrates out of the settling pipe (3) and is connected with a driving gear (52) in the movable gap (13), a drainage pipe (7) with a lower end opening is arranged on the side wall of the settling pipe (3) along the height direction of the drainage pipe (7), and the upper end of the drainage pipe (7) is communicated with the inside of the settling pipe (3), a spiral pushing rod (71) is connected in the drainage tube (7) in a rotating mode, a transmission gear (72) driven by the driving gear (52) is connected to the lower end of the spiral pushing rod (71), and when the one-way spiral blade (6) wheel rotates, the spiral pushing rod (71) is driven to rotate and has the trend of upward pushing.
2. The heavy metal contaminated soil treatment apparatus according to claim 1, wherein: annular filter tank (8) have been placed to the bottom of sedimentation tube (3), a plurality of filtration pores (81) have been seted up to the bottom of annular filter tank (8), pivot (5) pass the middle part of annular filter tank (8) and rotate with it and be connected, the external diameter of annular filter tank (8) equals the internal diameter of sedimentation tank, the internal diameter of annular filter tank (8) equals the external diameter of pivot (5), the edge of annular filter tank (8) upwards is provided with brace (82) of two relative settings, and each brace (82) all stretches out the open end of sedimentation tube (3) outwards is provided with ear (83).
3. The heavy metal contaminated soil treatment apparatus according to claim 2, wherein: and annular filter paper (9) is laid at the bottom of the annular filter tank (8).
4. The heavy metal contaminated soil treatment apparatus according to claim 1, wherein: the permeation tube (1) is sleeved with a nylon net (2).
5. The heavy metal contaminated soil treatment apparatus according to claim 1, wherein: the wheel with the unidirectional spiral blades (6) comprises a central shaft (61) and a plurality of spiral blades (62) arranged outside the central shaft (61), wherein the cross section of each spiral blade (62) is arc-shaped and spirals around the central shaft (61) in the same direction.
6. The heavy metal contaminated soil treatment apparatus according to claim 5, wherein: the upper end of pivot (5) is provided with the inserted shaft (51) that the cross-section is the rectangle, the lower extreme of center pin (61) upwards seted up with inserted shaft (51) can dismantle the jack (63) of being connected and the cross-section is the rectangle.
7. The heavy metal contaminated soil treatment apparatus according to claim 1, wherein: the outer wall of the settling tube (3) is connected with the inner wall of the permeation tube (1) through a plurality of vertically arranged connecting strips (12).
8. The heavy metal contaminated soil treatment apparatus according to claim 7, wherein: the open end of infiltration pipe (1) can be dismantled and be connected with sealed lid base (4), pivot (5) upwards wear out sealed lid base (4) with one-way spiral leaf (6) wheel is connected, the lower extreme of sealed lid base (4) be provided with a plurality of with connecting slot (41) of brace (82) cooperation joint.
9. The heavy metal contaminated soil treatment apparatus according to claim 1, wherein: and a stirrer (10) is arranged outside the rotating shaft (5) and in the settling tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210220818.9A CN114653743A (en) | 2022-03-08 | 2022-03-08 | Heavy metal contaminated soil treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210220818.9A CN114653743A (en) | 2022-03-08 | 2022-03-08 | Heavy metal contaminated soil treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114653743A true CN114653743A (en) | 2022-06-24 |
Family
ID=82028651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210220818.9A Pending CN114653743A (en) | 2022-03-08 | 2022-03-08 | Heavy metal contaminated soil treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114653743A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105923818A (en) * | 2015-12-09 | 2016-09-07 | 永兴县灿阳贵金属有限责任公司 | Wastewater treatment system for heavy metal smelting |
| CN207016608U (en) * | 2017-07-18 | 2018-02-16 | 清远市中宇环保实业股份有限公司 | Heavy metal containing sewage treatment reactor tank |
| CN109392343A (en) * | 2018-09-21 | 2019-03-01 | 兴安盟博川农业科技有限公司 | A kind of plumbing installation for alkaline land soil improvement |
| CN110216139A (en) * | 2019-05-24 | 2019-09-10 | 广州市华南自然资源科学技术研究院 | A kind of water transfer heavy metals in farmland of improving the soil removes the construction method of system |
| CN110736641A (en) * | 2019-11-18 | 2020-01-31 | 安徽国祯环境修复股份有限公司 | Long-term positioning monitoring device and system for heavy metal contaminated farmland soil liquid |
| CN210193496U (en) * | 2019-06-05 | 2020-03-27 | 庄绪兵 | Electroplating effluent collecting, treating and transferring device |
| CN112058885A (en) * | 2020-09-04 | 2020-12-11 | 钟德仁 | Novel soil pollution control method |
-
2022
- 2022-03-08 CN CN202210220818.9A patent/CN114653743A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105923818A (en) * | 2015-12-09 | 2016-09-07 | 永兴县灿阳贵金属有限责任公司 | Wastewater treatment system for heavy metal smelting |
| CN207016608U (en) * | 2017-07-18 | 2018-02-16 | 清远市中宇环保实业股份有限公司 | Heavy metal containing sewage treatment reactor tank |
| CN109392343A (en) * | 2018-09-21 | 2019-03-01 | 兴安盟博川农业科技有限公司 | A kind of plumbing installation for alkaline land soil improvement |
| CN110216139A (en) * | 2019-05-24 | 2019-09-10 | 广州市华南自然资源科学技术研究院 | A kind of water transfer heavy metals in farmland of improving the soil removes the construction method of system |
| CN210193496U (en) * | 2019-06-05 | 2020-03-27 | 庄绪兵 | Electroplating effluent collecting, treating and transferring device |
| CN110736641A (en) * | 2019-11-18 | 2020-01-31 | 安徽国祯环境修复股份有限公司 | Long-term positioning monitoring device and system for heavy metal contaminated farmland soil liquid |
| CN112058885A (en) * | 2020-09-04 | 2020-12-11 | 钟德仁 | Novel soil pollution control method |
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Application publication date: 20220624 |
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