CN110237665A - A kind of electrocatalytic oxidation VOC controlling device - Google Patents
A kind of electrocatalytic oxidation VOC controlling device Download PDFInfo
- Publication number
- CN110237665A CN110237665A CN201910672260.6A CN201910672260A CN110237665A CN 110237665 A CN110237665 A CN 110237665A CN 201910672260 A CN201910672260 A CN 201910672260A CN 110237665 A CN110237665 A CN 110237665A
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- water
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- 230000003647 oxidation Effects 0.000 title claims abstract description 29
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 29
- 239000007921 spray Substances 0.000 claims abstract description 86
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000003792 electrolyte Substances 0.000 claims abstract description 30
- 238000003860 storage Methods 0.000 claims abstract description 18
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 15
- 238000005507 spraying Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000012856 packing Methods 0.000 claims abstract description 9
- 238000004062 sedimentation Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 36
- 239000006228 supernatant Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 2
- 238000010828 elution Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 7
- 239000003344 environmental pollutant Substances 0.000 abstract description 6
- 231100000719 pollutant Toxicity 0.000 abstract description 6
- 239000013043 chemical agent Substances 0.000 abstract description 4
- 238000007781 pre-processing Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 19
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses a kind of electrocatalytic oxidation VOC controlling devices, including spraying mechanism, pretreatment mechanism and electrolysis mechanism;Spraying mechanism includes tower body, air inlet and several spray unit, and spray unit includes packing layer and several evenly distributed spray heads;Pre-processing mechanism includes storage box, flow tank and spill box, and sedimentation plate is equipped in the middle part of flow tank;Electrolysis mechanism includes electrolyte tank and water tank, several evenly distributed electrodes are provided in electrolyte tank, and electrode is electrically connected with the low-tension supply being arranged on the outside of electrolyte tank;The bottom of electrolyte tank is provided with water inlet, and water inlet is connected by spray pump with spill box, and water outlet is provided at the top of water tank, and water outlet is connected with spray head.A kind of electrocatalytic oxidation VOC controlling device of the present invention using the above structure, completely removes the pollutant component in VOC, the gas after processing can qualified discharge, do not add chemical agent in treatment process, do not generate secondary pollution.
Description
Technical field
The present invention relates to VOC waste gas purification technical fields, more particularly to a kind of electrocatalytic oxidation VOC controlling device.
Background technique
Electro-catalytic oxidation technology is used widely in wastewater treatment industry as one kind of high-level oxidation technology,
It is a blank in VOC Treatment process.Its key influence factor mainly has following three aspects: (1) selecting suitable electrode
Material, i.e. electrode will efficiently remove decomposing organic matter as far as possible, and inefficient as far as possible goes electrolysis water and heat production.(2) reasonable electrolysis system
System, mass transfer enhancement speed improve current efficiency, reduce voltage, the design of reasonable electrolysis system, can effectively reduce operation at
This.(3) reasonable absorption system, the design of gas distribution system are related to electrolyte to the electrolytic efficiency of organic matter, reasonable gas distribution
System design, can effectively reduce the short circuit of exhaust gas.
Summary of the invention
The object of the present invention is to provide a kind of electrocatalytic oxidation VOC controlling devices, completely remove the pollutant component in VOC,
Gas after processing can qualified discharge, do not add chemical agent in treatment process, do not generate secondary pollution, technological principle
It is that spray liquid is then subjected to electrocatalytic oxidation processing using gas pollutant to be transferred in spray liquid, carries oxidation freely
Spray liquid after base, is sprayed, to achieve the purpose that purification gas.
To achieve the above object, the present invention provides a kind of electrocatalytic oxidation VOC controlling device, including it is spraying mechanism, pre-
Processing mechanism and electrolysis mechanism;
The spraying mechanism include tower body, air inlet and several be from top to bottom uniformly arranged on inside the tower body
Spray unit, the side of the tower body is arranged in the air inlet, and the spray list described in the lowermost is arranged in the air inlet
The lower section of member, the spray unit include packing layer and several evenly distributed spray heads, and the spray head is arranged in the filler
The top of layer;
The pretreatment mechanism includes storage box, flow tank and spill box, and the storage box is arranged in the tower body bottom,
The bottom of the storage box is connected with the bottom of the flow tank, the top phase at the top of the flow tank and the spill box
It is connected to, sedimentation plate is installed in the middle part of the flow tank, the bottom of the flow tank offers slag-drip opening;
The electrolysis mechanism includes electrolyte tank and water tank, and the electrolyte tank is separated by card and the water tank, institute
State and be provided with several evenly distributed electrodes in electrolyte tank, the electrode is fixedly mounted on the card, the electrode with
The low-tension supply on the outside of the electrolyte tank is arranged in be electrically connected;
The bottom of the electrolyte tank is provided with water inlet, and the water inlet is connected by spray pump with the spill box,
Water outlet is provided at the top of the water tank, the water outlet is connected by spray piping with the spray head.
Preferably, the electrode includes anode and cathode, and the cathode is wrapped in the outside of the anode, the anode with
The anode of the low-tension supply is electrically connected, and the cathode of the cathode and the low-tension supply is electrically connected.
Preferably, the anode is cast electrode, is provided with several holes, and the anode on the tube wall of the anode
One end close to the water tank offer water outlet one, the cathode is barrel type cathode, is opened up on the tube wall of the cathode
There are several circular holes.
Preferably, it is provided with access hole at the top of the electrolyte tank, is equipped on the tower body at the spray unit
Visual window, the air inlet are provided with valve.
A kind of VOC administering method of electrocatalytic oxidation VOC controlling device, comprising the following steps:
A, after running spraying mechanism, pretreatment mechanism and electrolysis mechanism five minutes, air inlet is slowly opened
Valve;
B, the spray liquid in water tank enters spray head by spray piping, by spray head spray spray liquid to polluted gas into
Row spray washing, packing layer extend gas-liquid contact time, and spray liquid is eventually fallen into storage box, the bottom of storage box and flow tank
Bottom be connected, spray liquid enters in flow tank, flows from the bottom up, big suspended matter fall in sedimentation plate on, run up to one
Fixed thickness falls into the bottom of flow tank, is discharged by slag-drip opening, and the supernatant in spray liquid overflows in spill box;
C, supernatant is squeezed into electrolyte tank by spray pump by spill box, and supernatant passes through the circular hole and sun on cathode tube wall
Hole on pole pipe wall enters the inside of anode, then the water outlet one by anode close to water tank one end enters in water tank, does
Net gas is discharged by the air outlet at the top of tower body, completes entire circulation.
Therefore, a kind of electrocatalytic oxidation VOC controlling device of the present invention using the above structure, completely removes the dirt in VOC
Dye point, the gas after processing can qualified discharge, do not add chemical agent in treatment process, do not generate secondary pollution,
Technological principle is that spray liquid is then carried out electrocatalytic oxidation processing, is carried using gas pollutant to be transferred in spray liquid
Spray liquid after oxyradical, is sprayed, to achieve the purpose that purification gas.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of electrocatalytic oxidation VOC controlling device embodiment of the present invention;
Fig. 2 is a kind of schematic diagram of the electrode of electrocatalytic oxidation VOC controlling device embodiment of the present invention.
Appended drawing reference
1, tower body;2, air inlet;3, packing layer;4, spray head;5, storage box;6, flow tank;7, spill box;8, plate is settled;
9, slag-drip opening;10, electrolyte tank;11, water tank;12, card;13, electrode;14, anode;15, cathode;16, low-tension supply;17,
Water inlet;18, spray pump;19, water outlet;20, spray piping;21, access hole;22, visual window;23, valve.
Specific embodiment
Embodiment
Fig. 1 is a kind of schematic diagram of electrocatalytic oxidation VOC controlling device embodiment of the present invention, and Fig. 2 is a kind of electricity of the present invention
The schematic diagram of the electrode of catalysis oxidation VOC controlling device embodiment.As shown, the present invention provides a kind of electrocatalytic oxidations
VOC controlling device, including spraying mechanism, pretreatment mechanism and electrolysis mechanism;The spraying mechanism include tower body 1, air inlet 2 with
And several are from top to bottom uniformly arranged on the spray unit inside tower body 1, being equipped on the tower body 1 at the spray unit can
Form 22, for observing the spray situation inside tower body 1, the side of tower body 1 is arranged in air inlet 2, and air inlet 2 is arranged most
The lower section of the spray unit of lower end, is provided with valve 23 at air inlet 2, and the spray unit includes packing layer 3 and several
The top of packing layer 3 is arranged in a evenly distributed spray head 4, spray head 4;The pretreatment mechanism includes storage box 5, flow tank 6
With spill box 7, the setting of storage box 5 is in 1 bottom of tower body, and storage box 5 is for storing spray liquid, the bottom of storage box 5 and flow tank 6
Bottom be connected, the top of flow tank 6 is connected with the top of spill box 7, the middle part of flow tank 6 be equipped with sedimentation plate 8, sink
The bottom of drop case 6 offers slag-drip opening 9.
The electrolysis mechanism includes electrolyte tank 10 and water tank 11, and electrolyte tank 10 is separated by card 12 and water tank 11,
It prevents electrolyte tank 10 and water tank 11 from spray liquid short circuit phenomenon occurs, is provided with several evenly distributed electrodes in electrolyte tank 10
13, electrode 13 is fixedly mounted on card 12, and electrode 12 is electrically connected with the low-tension supply 16 that 10 outside of electrolyte tank is arranged in, electricity
Pole 13 includes anode 14 and cathode 15, and cathode 15 is wrapped in the outside of anode 14, and there are gap, institutes between anode 14 and cathode 15
Stating gap is 5mm, and the anode electric connection of anode 14 and low-tension supply 16, cathode 15 and the cathode of low-tension supply 16 electrically connect
It connects, anode 14 is cast electrode, is provided with several holes, 5-10 μm of the pore diameter, and anode on the tube wall of anode 14
One end of 14 close water tank 11 offers water outlet one, and one end of the separate water tank 11 of anode 14 seals, prevents from spraying
For liquid stream to outside, cathode 15 is barrel type cathode, several circular holes is offered on the tube wall of cathode 15, the Circularhole diameter is 1.5-
The center of 2.5mm, the circular hole regular arrangement, the two neighboring circular hole are provided with maintenance away from the top for 6mm, electrolyte tank 10
Mouth 21, convenient that electrolyte tank 10 is checked and repaired, the bottom of electrolyte tank 10 is provided with water inlet 17, and water inlet 17 passes through spray
Leaching pump 18 is connected with spill box 7, and the top of water tank 11 is provided with water outlet 19, and water outlet 19 passes through spray piping 20 and spray
First 4 are connected.
A kind of VOC administering method of electrocatalytic oxidation VOC controlling device, comprising the following steps:
A, it after running spraying mechanism, pretreatment mechanism and electrolysis mechanism five minutes, slowly opens at air inlet 2
Valve 23;
B, the spray liquid in water tank 11 enters spray head 4 by spray piping 20, and the spray liquid sprayed by spray head 4 is to pollution
Gas carries out spray washing, and packing layer 3 extends gas-liquid contact time, and spray liquid is eventually fallen into storage box 5, the bottom of storage box 5
Portion is connected with the bottom of flow tank 6, and spray liquid enters in flow tank 6, flows from the bottom up, and big suspended matter falls in sedimentation plate
On 8, the bottom that certain thickness falls into flow tank 6 is run up to, is discharged by slag-drip opening 9, the supernatant in spray liquid overflows to
In spill box 7;
C, supernatant is squeezed into electrolyte tank 10 by spray pump 18 by spill box 7, and supernatant passes through on 15 tube wall of cathode
Hole on 14 tube wall of circular hole and anode enters the inside of anode 14, then by anode 14 close to the water outlet one of 11 one end of water tank
Into in water tank 11, clean gas is discharged by the air outlet at 1 top of tower body, completes entire circulation.
To guarantee whole device safety, low-pressure designs, ceiling voltage are used with the low-tension supply 16 that electrode 13 is electrically connected
No more than 12V, electric current maximum is no more than 1000A;Effectively to make electro-catalytic oxidation technology handle exhaust gas, the present invention is by contamination gas
Pollutant component in body is acted on by spray first, is brought into spray liquid, goes to be electrolysed by electrode 13 in electrolyte tank 10,
It is secondary, oxyradical is had in the spray liquid after electrolysis, directly spray exhaust gas;To improve electrolytic efficiency, the present invention is provided with institute
Pretreatment mechanism is stated, the large dust particle in spray liquid is subjected to settlement treatment by precipitation plate 8, the operation for reducing electrode 13 is negative
Lotus, to achieve the purpose that economize on electricity;For the content for improving oxyradical in spray liquid, cast electrode and card is arranged in the present invention
12 structures guarantee that all spray liquids all pass through the catalysis oxidation of electrode 13 in cyclic process, prevent spray liquid from short circuit occur existing
As;To guarantee that electrode 13 operates normally, reduce that electrode 13 is dirty stifled, the water intake mode of electrode 13 of the invention using external-compression type into
Manhole is arranged in the top of water, electrolyte tank 10.
Therefore, a kind of electrocatalytic oxidation VOC controlling device of the present invention using the above structure, completely removes the dirt in VOC
Dye point, the gas after processing can qualified discharge, do not add chemical agent in treatment process, do not generate secondary pollution,
Technological principle is that spray liquid is then carried out electrocatalytic oxidation processing, is carried using gas pollutant to be transferred in spray liquid
Spray liquid after oxyradical, is sprayed, to achieve the purpose that purification gas.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited,
Although the present invention is described in detail with reference to preferred embodiments, those skilled in the art should understand that: its according to
So can be with modification or equivalent replacement of the technical solution of the present invention are made, and these modifications or equivalent replacement cannot also make to repair
Technical solution after changing is detached from the spirit and scope of technical solution of the present invention.
Claims (5)
1. a kind of electrocatalytic oxidation VOC controlling device, it is characterised in that:
Including spraying mechanism, pretreatment mechanism and electrolysis mechanism;
The spraying mechanism include tower body, air inlet and several be from top to bottom uniformly arranged on the spray inside the tower body
Unit, the side of the tower body is arranged in the air inlet, and spray unit described in the lowermost is arranged in the air inlet
Lower section, the spray unit include packing layer and several evenly distributed spray heads, and described filler layer is arranged in the spray head
Top;
The pretreatment mechanism includes storage box, flow tank and spill box, and the storage box setting is described in the tower body bottom
The bottom of storage box is connected with the bottom of the flow tank, and the top of the flow tank is connected with the top of the spill box
It is logical, sedimentation plate is installed, the bottom of the flow tank offers slag-drip opening in the middle part of the flow tank;
The electrolysis mechanism includes electrolyte tank and water tank, and the electrolyte tank is separated by card and the water tank, the electricity
Several evenly distributed electrodes are provided in solution case, the electrode is fixedly mounted on the card, the electrode and setting
Low-tension supply on the outside of the electrolyte tank is electrically connected;
The bottom of the electrolyte tank is provided with water inlet, and the water inlet is connected by spray pump with the spill box, described
Water outlet is provided at the top of water tank, the water outlet is connected by spray piping with the spray head.
2. a kind of electrocatalytic oxidation VOC controlling device according to claim 1, it is characterised in that: the electrode includes sun
Pole and cathode, the cathode are wrapped in the outside of the anode, the anode electric connection of the anode and the low-tension supply, institute
The cathode for stating cathode and the low-tension supply is electrically connected.
3. a kind of electrocatalytic oxidation VOC controlling device according to claim 2, it is characterised in that: the anode is cast
Electrode is provided with several holes on the tube wall of the anode, and one end close to the water tank of the anode offers
Water outlet one, the cathode are barrel type cathode, offer several circular holes on the tube wall of the cathode.
4. a kind of electrocatalytic oxidation VOC controlling device according to claim 3, it is characterised in that: the top of the electrolyte tank
Portion is provided with access hole, and visual window is equipped on the tower body at the spray unit, and the air inlet is provided with valve.
5. a kind of VOC administering method of electrocatalytic oxidation VOC controlling device according to claim 1-4, special
Sign is, comprising the following steps:
A, after running spraying mechanism, pretreatment mechanism and electrolysis mechanism five minutes, the valve of air inlet is slowly opened;
B, the spray liquid in water tank enters spray head by spray piping, is sprayed by the spray liquid that spray head sprays to polluted gas
Elution is washed, and packing layer extends gas-liquid contact time, and spray liquid is eventually fallen into storage box, the bottom of storage box and the bottom of flow tank
Portion is connected, and spray liquid enters in flow tank, flows from the bottom up, and big suspended matter is fallen on sedimentation plate, runs up to certain
Thickness falls into the bottom of flow tank, is discharged by slag-drip opening, and the supernatant in spray liquid overflows in spill box;
C, supernatant is squeezed into electrolyte tank by spray pump by spill box, and supernatant passes through the circular hole and anode tube on cathode tube wall
Hole on wall enters the inside of anode, then the water outlet one by anode close to water tank one end enters in water tank, clean
Gas is discharged by the air outlet at the top of tower body, completes entire circulation.
Priority Applications (1)
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CN201910672260.6A CN110237665B (en) | 2019-07-24 | 2019-07-24 | Electrocatalytic oxidation VOC treatment device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910672260.6A CN110237665B (en) | 2019-07-24 | 2019-07-24 | Electrocatalytic oxidation VOC treatment device |
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CN110237665A true CN110237665A (en) | 2019-09-17 |
CN110237665B CN110237665B (en) | 2023-12-19 |
Family
ID=67893391
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CN201910672260.6A Active CN110237665B (en) | 2019-07-24 | 2019-07-24 | Electrocatalytic oxidation VOC treatment device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111185089A (en) * | 2020-01-09 | 2020-05-22 | 青岛理工大学 | Novel technology for performing electro-Fenton catalytic degradation on VOCs |
CN113144885A (en) * | 2020-01-23 | 2021-07-23 | 江门市绿一茵环保科技有限公司 | Method for treating low-concentration VOCs (volatile organic compounds) by electrocatalytic oxidation and deodorizing |
CN115448524A (en) * | 2022-08-30 | 2022-12-09 | 绿源环保工程设备(广州)有限公司 | Electro-catalysis malodorous gas treatment device and method based on BDD anode |
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CN210332217U (en) * | 2019-07-24 | 2020-04-17 | 河北瑛泽环保科技有限公司 | Electrocatalytic oxidation VOC administers device |
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CN2845893Y (en) * | 2005-09-07 | 2006-12-13 | 胡雪江 | Dust removing waste gas purifying spray tower |
CN101535729A (en) * | 2006-11-01 | 2009-09-16 | 三泽住宅株式会社 | Air purifier |
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CN111185089A (en) * | 2020-01-09 | 2020-05-22 | 青岛理工大学 | Novel technology for performing electro-Fenton catalytic degradation on VOCs |
CN113144885A (en) * | 2020-01-23 | 2021-07-23 | 江门市绿一茵环保科技有限公司 | Method for treating low-concentration VOCs (volatile organic compounds) by electrocatalytic oxidation and deodorizing |
CN115448524A (en) * | 2022-08-30 | 2022-12-09 | 绿源环保工程设备(广州)有限公司 | Electro-catalysis malodorous gas treatment device and method based on BDD anode |
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CN110237665B (en) | 2023-12-19 |
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Address after: 061000 room 609, 6th floor, Huashang international building, Beijing Road, Yunhe District, Cangzhou City, Hebei Province Applicant after: Hebei Yingze Environmental Protection Technology Co.,Ltd. Address before: 061000 Rongsheng International Shopping Plaza, Cangzhou Canal District, Hebei Province, Room 2125 on the 21st floor Applicant before: Hebei Yingze Environmental Protection Technology Co.,Ltd. |
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