CN216737928U - Device for treating organic printing and dyeing wastewater through photocatalysis - Google Patents
Device for treating organic printing and dyeing wastewater through photocatalysis Download PDFInfo
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- CN216737928U CN216737928U CN202220388943.6U CN202220388943U CN216737928U CN 216737928 U CN216737928 U CN 216737928U CN 202220388943 U CN202220388943 U CN 202220388943U CN 216737928 U CN216737928 U CN 216737928U
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- Prior art keywords
- photocatalytic treatment
- dyeing wastewater
- tank
- treatment tank
- photocatalytic
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- 230000001699 photocatalysis Effects 0.000 title claims abstract description 104
- 239000002351 wastewater Substances 0.000 title claims abstract description 40
- 238000004043 dyeing Methods 0.000 title claims abstract description 36
- 238000007639 printing Methods 0.000 title claims abstract description 36
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 12
- 230000003197 catalytic effect Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 239000010410 layer Substances 0.000 claims description 32
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 27
- 238000005192 partition Methods 0.000 claims description 21
- 239000010453 quartz Substances 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 239000004745 nonwoven fabric Substances 0.000 claims description 12
- 229910001507 metal halide Inorganic materials 0.000 claims description 9
- 150000005309 metal halides Chemical class 0.000 claims description 9
- 239000002356 single layer Substances 0.000 claims description 9
- 239000006004 Quartz sand Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 2
- 239000007769 metal material Substances 0.000 abstract description 3
- 229910000510 noble metal Inorganic materials 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011941 photocatalyst Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229930182559 Natural dye Natural products 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000978 natural dye Substances 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical group 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- -1 suspended matters Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses a device for treating organic printing and dyeing wastewater through photocatalysis, and relates to a device for treating organic printing and dyeing wastewater through photocatalysis. The utility model aims to solve the problems that a photocatalytic material in the existing device for treating organic printing and dyeing wastewater by photocatalysis is not recyclable and a noble metal material with excellent photocatalytic effect is difficult to industrially utilize. The device consists of a first photocatalytic treatment tank, a second photocatalytic treatment tank, a third photocatalytic treatment tank, a box body and a filter tank; the first photocatalytic treatment tank, the second photocatalytic treatment tank, the third photocatalytic treatment tank and the filter tank are sequentially arranged in the box body from left to right; a catalytic unit is arranged in the first photocatalytic treatment tank. The utility model is used for treating organic printing and dyeing wastewater by photocatalysis.
Description
Technical Field
The utility model particularly relates to a device for treating organic printing and dyeing wastewater through photocatalysis.
Background
With the development of printing and dyeing technology, natural dyes are gradually replaced by chemical dyes, and the components are more and more complex, so that the printing and dyeing wastewater becomes organic printing and dyeing wastewater which is difficult to biodegrade. The photocatalysis technology has the advantages of small investment, mild reaction conditions, safety, no toxicity and no secondary pollution. The technology can effectively convert organic pollutants into inorganic micromolecular substances, remove a plurality of difficultly degraded substances such as chloroform, polychlorinated biphenyl, polycyclic aromatic hydrocarbon and the like, and is generally regarded as important in printing and dyeing wastewater treatment. In the existing device for treating organic printing and dyeing wastewater by photocatalysis, the photocatalytic material is not recovered, so that secondary pollution is easy to cause, and the noble metal material with excellent photocatalytic effect is difficult to popularize due to higher industrial production cost; in addition, most of the photocatalytic materials at the present stage are materials excited by ultraviolet light such as TiO2 and ZnO, and cannot utilize common defects such as visible light. In the prior art, a plurality of units have studied devices for treating organic wastewater by photocatalysis, and prototypes have appeared, but the devices for treating organic printing and dyeing wastewater by photocatalysis are difficult to popularize and the like because photocatalytic materials are not recycled, so far, no device for treating organic printing and dyeing wastewater by visible light catalysis which is easy to recycle is widely used in industry, and the traditional process of catalyzing by ultraviolet light or not recycling photocatalytic materials is still taken as a main process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for treating organic printing and dyeing wastewater through photocatalysis. The device solves the problems that the photocatalytic material in the existing device for treating organic printing and dyeing wastewater by photocatalysis can not be recycled, and the noble metal material with excellent photocatalytic effect is difficult to be industrially utilized.
The utility model relates to a device for treating organic printing and dyeing wastewater by photocatalysis, which consists of a first photocatalysis treatment tank, a second photocatalysis treatment tank, a third photocatalysis treatment tank, a box body and a filter tank; the first photocatalytic treatment tank, the second photocatalytic treatment tank, the third photocatalytic treatment tank and the filter tank are sequentially arranged in the box body from left to right; the first photocatalytic treatment tank, the second photocatalytic treatment tank and the third photocatalytic treatment tank have the same structure; a catalytic unit is arranged in the first photocatalytic treatment tank and consists of a base, a metal halide lamp tube, a quartz tubular column and a dense-mesh plastic paddle; the metal halogen lamp tube is vertically connected to the base, and the quartz tube column is covered outside the metal halogen lamp tube; a plurality of mortises are uniformly distributed on the outer circumference of the quartz pipe column, tenons matched with the mortises are arranged on the side edges of the dense-net-shaped plastic blades, and the quartz pipe column is in mortise-tenon connection with the dense-net-shaped plastic blades; the bottom of the quartz pipe column is in threaded connection with the base; the filter tank consists of a first non-woven fabric layer, an activated carbon layer, a quartz sand layer and a second non-woven fabric layer, wherein the first non-woven fabric layer, the activated carbon layer, the quartz sand layer and the second non-woven fabric layer are arranged at intervals from top to bottom; the first photocatalytic treatment tank and the second photocatalytic treatment tank and the third photocatalytic treatment tank are separated by double-layer overflow plates, and the third photocatalytic treatment tank and the filter tank are separated by a single-layer overflow plate; the bottom of the left side plate of the box body is provided with a water inlet, and the bottom of the right side plate of the box body is provided with a water outlet.
The utility model has the beneficial effects that:
the device has simple structure and convenient manufacture and installation, and ensures easy industrial popularization; the metal halide lamp is adopted for photocatalysis, so that the method can be suitable for more semiconductor photocatalysis materials, and particularly has the semiconductor photocatalysis materials capable of simultaneously utilizing ultraviolet light and visible light; the paddle of the photocatalytic component can be repeatedly recycled, and can replace and fix different types of photocatalytic materials, so that secondary pollution of treated water can be prevented, and the industrial production cost of precious metals can be reduced.
Drawings
FIG. 1 is a schematic structural diagram of a box body;
FIG. 2 is a side view of an apparatus for photocatalytic treatment of organic printing and dyeing wastewater;
FIG. 3 is a schematic structural view of a photocatalytic unit;
fig. 4 is a schematic structural diagram of a dense-mesh plastic blade.
Detailed Description
The technical solution of the present invention is not limited to the specific embodiments listed below, and includes any combination of the specific embodiments.
The first embodiment is as follows: the device for photocatalytic treatment of organic printing and dyeing wastewater comprises a first photocatalytic treatment tank 1, a second photocatalytic treatment tank 2, a third photocatalytic treatment tank 3, a box body 4 and a filter tank 5; the first photocatalytic treatment tank 1, the second photocatalytic treatment tank 2, the third photocatalytic treatment tank 3 and the filter tank 5 are sequentially arranged in the box body 4 from left to right; the first photocatalytic treatment tank 1, the second photocatalytic treatment tank 2 and the third photocatalytic treatment tank 3 have the same structure; a catalytic unit is arranged in the first photocatalytic treatment tank 1 and consists of a base 1-1, a metal halide lamp tube 1-2, a quartz tube column 1-3 and dense mesh plastic blades 1-4; the metal halide lamp tube 1-2 is vertically connected to the base 1-1, and the quartz tube column 1-3 is covered outside the metal halide lamp tube 1-2; a plurality of mortises are uniformly distributed on the outer circumference of the quartz pipe column 1-3, tenons matched with the mortises are arranged on the side edges of the dense-net-shaped plastic blades 1-4, and the quartz pipe column 1-3 is in mortise and tenon connection with the dense-net-shaped plastic blades 1-4; the bottom of the quartz pipe column 1-3 is in threaded connection with the base 1-1; the filter tank 5 consists of a first non-woven fabric layer 5-1, an activated carbon layer 5-2, a quartz sand layer 5-3 and a second non-woven fabric layer 5-4, wherein the first non-woven fabric layer 5-1, the activated carbon layer 5-2, the quartz sand layer 5-3 and the second non-woven fabric layer 5-4 are arranged at intervals from top to bottom; the first photocatalytic treatment tank 1 and the second photocatalytic treatment tank 2, and the second photocatalytic treatment tank 2 and the third photocatalytic treatment tank 3 are separated by a double-layer overflow plate 6, and the third photocatalytic treatment tank 3 and the filter tank 5 are separated by a single-layer overflow plate 7; the bottom of the left side plate of the box body 4 is provided with a water inlet 8, and the bottom of the right side plate of the box body 4 is provided with a water outlet 9.
In the embodiment, the organic printing and dyeing wastewater to be treated is pressurized and injected into the first photocatalytic treatment tank, and is regulated to the optimal water inlet speed by the water pump variable frequency regulating equipment; after entering a first photocatalytic treatment tank, the wastewater overflows to the bottom of a second photocatalytic treatment tank after a certain reaction time; after entering a second photocatalytic treatment tank, the wastewater overflows to the bottom of a third photocatalytic treatment tank after a certain reaction time; and after entering the third photocatalytic treatment tank, the wastewater overflows to the filter tank after a certain reaction time and finally flows out through the water outlet to obtain purified water.
Organic printing and dyeing wastewater is continuously pumped into a multi-stage photocatalytic treatment tank, the organic printing and dyeing wastewater is subjected to photocatalytic treatment, most of organic matters which are difficult to biodegrade are removed, and finally, the treated water is simply filtered through a filtering system to remove impurities such as suspended matters, colloids and large particles.
The constant water flow speed is provided in the embodiment, and the normal operation of the subsequent photocatalytic treatment system and the subsequent filtering system is guaranteed.
In the embodiment, the dense-mesh plastic paddle is fixed with the photocatalyst through a physical and chemical means.
The metal halide lamp tube in this embodiment is an existing conventional device.
The second embodiment is as follows: the first difference between the present embodiment and the specific embodiment is: the upper ends of the quartz pipe columns 1-3 are arranged in a closed mode. The rest is the same as the first embodiment.
The third concrete implementation mode: the present embodiment differs from the first or second embodiment in that: the base 1-1 is subjected to waterproof treatment, and a slow motor, a gear assembly, a lamp holder and corresponding circuit arrangement are arranged in the base 1-1. The other is the same as in the first or second embodiment.
The fourth concrete implementation mode: the difference between this embodiment mode and one of the first to third embodiment modes is: the dense mesh plastic blades 1-4 are obliquely arranged, and the included angle between the blades and the horizontal plane is 30-50 degrees. The others are the same as in one of the first to third embodiments.
The dense mesh plastic paddle in the embodiment can bear the photocatalyst, has dense meshes and is convenient to recycle.
The fifth concrete implementation mode: the difference between this embodiment and one of the first to fourth embodiments is: the upper part of the box body 4 is hinged with a box body cover plate 4-1. The other is the same as one of the first to fourth embodiments.
This embodiment can guarantee to appear the problem in the processing stage and can open the box apron and handle in time, does not influence continuous operation.
The sixth specific implementation mode: the difference between this embodiment and one of the first to fifth embodiments is: the dense-mesh plastic blades 1-4 are distributed at equal intervals along the height direction of the quartz pipe column 1-3. The other is the same as one of the first to fifth embodiments.
The seventh embodiment: the difference between this embodiment and one of the first to sixth embodiments is: the double-layer overflow plate 6 consists of a front clapboard 6-1 and a rear clapboard 6-2; the front partition plate 6-1 and the rear partition plate 6-2 are made of glass materials, the front partition plate 6-1 is transversely arranged at the bottom of the box body 4 along the width direction, the distance from the upper edge of the front partition plate 6-1 to the top end of the box body 4 is 10cm, the rear partition plate 6-2 is transversely arranged at the upper part of the box body 4 along the width direction, the distance from the front partition plate 6-1 to the rear partition plate 6-2 is 4cm, the distance from the lower edge of the rear partition plate 6-2 to the bottom of the box body 4 is 10cm, and the top end of the rear partition plate 6-2 is flush with the top end of the box body 4 and is in sealing connection with the connecting position. The other is the same as one of the first to sixth embodiments.
After the organic printing and dyeing wastewater is continuously sent into the front-stage photocatalytic treatment tank, the water level can be accumulated to the top end of the front partition plate due to the existence of the front partition plate, and then the water overflows to the bottom of the rear-stage photocatalytic treatment tank due to the existence of the rear partition plate, so that the wastewater can be more sufficiently purified and treated in the photocatalytic treatment tank.
The specific implementation mode is eight: the present embodiment differs from one of the first to seventh embodiments in that: the single-layer overflow plate 7 is made of glass, the single-layer overflow plate 7 is transversely arranged at the bottom of the box body 4 along the width direction, the distance between the upper edge of the single-layer overflow plate 7 and the top end of the box body 4 is 10cm, and the connecting positions are in sealing connection. The other is the same as one of the first to seventh embodiments.
The side of individual layer overflow board 7 still is provided with the slope bushing, so set up and to guarantee that the waste water of overflow to the filtering ponds side can evenly fall down, through each filtering layer in proper order, improves the utilization ratio of each filtering layer, guarantees that the pollutant is not at one side deposit, reduces the life of filtering layer. The inclination angle of the inclined bushing plate is 10-15 degrees.
The specific implementation method nine: the difference between this embodiment and the first to eighth embodiments is: and a sealing ring is arranged at the threaded connection part of the quartz pipe column 1-3 and the base 1-1. The rest is the same as the first to eighth embodiments.
The detailed implementation mode is ten: the present embodiment differs from one of the first to ninth embodiments in that: the water inlet 8 is connected with a water inlet system; the water inlet system consists of a water pump, water pump variable frequency adjusting equipment and a water inlet valve; the water pump is placed in the organic printing and dyeing wastewater storage tank, the water pump variable frequency adjusting device is connected with the water pump through a pipeline, and the water inlet valve is connected with the water inlet 8 through a pipeline. The other is the same as one of the first to ninth embodiments.
Claims (10)
1. A device for treating organic printing and dyeing wastewater by photocatalysis is characterized in that the device for treating organic printing and dyeing wastewater by photocatalysis consists of a first photocatalysis treatment tank (1), a second photocatalysis treatment tank (2), a third photocatalysis treatment tank (3), a box body (4) and a filter tank (5); the first photocatalytic treatment tank (1), the second photocatalytic treatment tank (2), the third photocatalytic treatment tank (3) and the filter tank (5) are sequentially arranged in the box body (4) from left to right; the first photocatalytic treatment pool (1), the second photocatalytic treatment pool (2) and the third photocatalytic treatment pool (3) have the same structure; a catalytic unit is arranged in the first photocatalytic treatment tank (1), and the catalytic unit consists of a base (1-1), a metal halide lamp tube (1-2), a quartz tube column (1-3) and dense mesh plastic blades (1-4); the metal halide lamp tube (1-2) is vertically connected to the base (1-1), and the quartz tube column (1-3) is covered outside the metal halide lamp tube (1-2); a plurality of mortises are uniformly distributed on the outer circumference of the quartz pipe column (1-3), tenons matched with the mortises are arranged on the side edges of the dense mesh-shaped plastic blades (1-4), and the quartz pipe column (1-3) is in mortise and tenon connection with the dense mesh-shaped plastic blades (1-4); the bottom of the quartz pipe column (1-3) is in threaded connection with the base (1-1); the filter tank (5) consists of a first non-woven fabric layer (5-1), an activated carbon layer (5-2), a quartz sand layer (5-3) and a second non-woven fabric layer (5-4), wherein the first non-woven fabric layer (5-1), the activated carbon layer (5-2), the quartz sand layer (5-3) and the second non-woven fabric layer (5-4) are arranged at intervals from top to bottom; the first photocatalytic treatment tank (1) and the second photocatalytic treatment tank (2) and the third photocatalytic treatment tank (3) are separated by double-layer overflow plates (6), and the third photocatalytic treatment tank (3) and the filter tank (5) are separated by single-layer overflow plates (7); the water inlet (8) is arranged at the bottom of the left side plate of the box body (4), and the water outlet (9) is arranged at the bottom of the right side plate of the box body (4).
2. A photocatalytic treatment apparatus for organic printing and dyeing wastewater according to claim 1, characterized by that the upper end of the quartz tubular column (1-3) is closed.
3. A device for photocatalytic treatment of organic printing and dyeing wastewater according to claim 1, characterized in that the base (1-1) is waterproof, and the base (1-1) is internally provided with a slow motor, a gear assembly, a lamp holder and corresponding circuit arrangements.
4. A photocatalytic treatment apparatus for organic printing and dyeing wastewater according to claim 1, characterized in that the dense mesh plastic blades (1-4) are disposed obliquely at an angle of 30 ° to 50 ° to the horizontal plane.
5. A photocatalytic treatment apparatus for organic printing and dyeing wastewater as set forth in claim 1, characterized in that the upper part of the tank (4) is hinged with a tank cover (4-1).
6. A photocatalytic treatment apparatus for organic printing and dyeing wastewater according to claim 1, characterized in that the dense-mesh plastic blades (1-4) are equally spaced along the height of the quartz column (1-3).
7. A photocatalytic treatment apparatus for organic printing and dyeing wastewater according to claim 1, characterized in that the double overflow plate (6) is composed of a front partition plate (6-1) and a rear partition plate (6-2); the front partition board (6-1) and the rear partition board (6-2) are made of glass materials, the front partition board (6-1) is transversely arranged at the bottom of the box body (4) along the width direction, the distance from the upper edge of the front partition board (6-1) to the top end of the box body (4) is 10cm, the rear partition board (6-2) is transversely arranged at the upper part of the box body (4) along the width direction, the distance from the lower edge of the rear partition board (6-2) to the bottom of the box body (4) is 4cm, the top end of the rear partition board (6-2) is flush with the top end of the box body (4), and the connecting positions are in sealing connection.
8. A photocatalytic treatment device for organic printing and dyeing wastewater according to claim 1, characterized in that the single-layer overflow plate (7) is made of glass, the single-layer overflow plate (7) is transversely arranged at the bottom of the tank body (4) along the width direction, the distance between the upper edge of the single-layer overflow plate (7) and the top end of the tank body (4) is 10cm, and the connection positions are hermetically connected.
9. A photocatalytic treatment device for organic printing and dyeing wastewater according to claim 1, characterized in that the threaded connection between the quartz column (1-3) and the base (1-1) is provided with a sealing ring.
10. A photocatalytic treatment apparatus for organic printing and dyeing wastewater as set forth in claim 1, characterized in that the water inlet (8) is connected to a water inlet system; the water inlet system consists of a water pump, water pump variable frequency adjusting equipment and a water inlet valve; the water pump is placed in the organic printing and dyeing wastewater storage tank, the water pump variable frequency adjusting equipment is connected with the water pump through a pipeline, and the water inlet valve is connected with the water inlet (8) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220388943.6U CN216737928U (en) | 2022-02-24 | 2022-02-24 | Device for treating organic printing and dyeing wastewater through photocatalysis |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220388943.6U CN216737928U (en) | 2022-02-24 | 2022-02-24 | Device for treating organic printing and dyeing wastewater through photocatalysis |
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| Publication Number | Publication Date |
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| CN216737928U true CN216737928U (en) | 2022-06-14 |
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| CN202220388943.6U Expired - Fee Related CN216737928U (en) | 2022-02-24 | 2022-02-24 | Device for treating organic printing and dyeing wastewater through photocatalysis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115140800A (en) * | 2022-06-24 | 2022-10-04 | 吉林大学 | Sewage treatment reaction device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115140800A (en) * | 2022-06-24 | 2022-10-04 | 吉林大学 | Sewage treatment reaction device |
| CN115140800B (en) * | 2022-06-24 | 2024-04-26 | 吉林大学 | Sewage treatment reaction device |
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