CN207002341U - A kind of multipole three-dimensional electrocatalysis oxidation reaction device - Google Patents
A kind of multipole three-dimensional electrocatalysis oxidation reaction device Download PDFInfo
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- CN207002341U CN207002341U CN201720762473.4U CN201720762473U CN207002341U CN 207002341 U CN207002341 U CN 207002341U CN 201720762473 U CN201720762473 U CN 201720762473U CN 207002341 U CN207002341 U CN 207002341U
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- multipole
- electrode
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- oxidation reaction
- reaction device
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- 230000005405 multipole Effects 0.000 title claims abstract description 46
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- 239000002245 particle Substances 0.000 claims abstract description 23
- 238000005273 aeration Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000945 filler Substances 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 abstract description 6
- 238000006731 degradation reaction Methods 0.000 abstract description 6
- 239000007772 electrode material Substances 0.000 abstract description 6
- 239000002957 persistent organic pollutant Substances 0.000 abstract description 6
- 239000002351 wastewater Substances 0.000 abstract description 5
- 238000011109 contamination Methods 0.000 abstract description 2
- 229910003158 γ-Al2O3 Inorganic materials 0.000 description 9
- 230000003647 oxidation Effects 0.000 description 7
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 7
- 229940043267 rhodamine b Drugs 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229920005479 Lucite® Polymers 0.000 description 2
- 238000009303 advanced oxidation process reaction Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- -1 hydroxyl radical free radical Chemical class 0.000 description 2
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 2
- 239000004579 marble Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 239000013154 zeolitic imidazolate framework-8 Substances 0.000 description 2
- MFLKDEMTKSVIBK-UHFFFAOYSA-N zinc;2-methylimidazol-3-ide Chemical compound [Zn+2].CC1=NC=C[N-]1.CC1=NC=C[N-]1 MFLKDEMTKSVIBK-UHFFFAOYSA-N 0.000 description 2
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- HTXDPTMKBJXEOW-UHFFFAOYSA-N iridium(IV) oxide Inorganic materials O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 1
- YADSGOSSYOOKMP-UHFFFAOYSA-N lead dioxide Inorganic materials O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 238000007539 photo-oxidation reaction Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000003115 supporting electrolyte Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model discloses a kind of multipole three-dimensional electrocatalysis oxidation reaction device.The reaction unit includes supply unit and reactive tank, and reactive tank is divided into the reaction zone on top and the aeration zone of bottom by mosaic electrode supporting layer, and mosaic electrode supporting layer is provided with several stomatas；The bottom of reaction zone is provided with water inlet, and the top of reaction zone is provided with delivery port；The electrode group perpendicular to mosaic electrode supporting layer is provided with reaction zone, including some to multipole positive plate and multipole minus plate, filler particles electrode between each pair adjacent multipole positive plate and multipole minus plate, electrode group is connected electrode group with supply unit；Aeration zone is provided with aeration tube.The utility model can effectively reduce reactor internal short-circuit electric current and prevent mosaic electrode surface contamination, and extend the service life of electrode material, significantly improve the treatment effeciency of Electrocatalysis Degradation Organic Pollutants in Wastewater.
Description
Technical field
It the utility model is related to a kind of multipole three-dimensional electrocatalysis oxidation reaction device.
Background technology
As the rapid development of modern age chemical industry, the species for the Organic substance in water that gives up are more and more.And its Poisoning is big, difficult
Persistence organic pollutant (POPs) concentration of degraded is high and is difficult to biochemical degradation, and advanced oxidation processes are such organic as administering
One important channel of pollutant receives extensive concern, the technology be mainly by the extremely strong hydroxyl radical free radical of oxidisability (
OH) adduction between organic matter, substitution and electronics transfer etc. make pollutant mineralising.At present, it is main caused by hydroxyl radical free radical
Method has chemical oxidization method, electrochemical method, photooxidation and ultrasonic method.Compare appearance because electrochemical process deep oxidization technique has
It is easy to control, easily establish seal circulation and the remarkable advantage such as non-secondary pollution, it is expected to as a kind of very promising efficient
Technologies for Organic Wastewater Treatment.
Electrocatalytic oxidation is a kind of typical electrochemistry advanced oxidation processes, when the engineering is applied equipment it is simple, into
This is low, secondary pollution is small, post processing is simple.It is late 1960s, fast with mass transfer theory, materials chemistry and power industry
Speed development, the concept of three-diemsnional electrode is proposed on the basis of conventional two-dimensional electrode.Compared with conventional two-dimensional electrode, three-diemsnional electrode
Countless microelectrodes is added in electrolytic cell, the face body ratio of electrolytic cell can be increased, shortens the migration distance of reactant, is increased
Big material mass transfer velocity, improves current efficiency and treatment effeciency.Conventional mosaic electrode material mainly has metallic conductor, metal
Oxide, the glass marble for being coated with metal level and baton round, graphite particle, γ-Al2O3Particle, carbon fibre material, activated carbon granule
And slag etc..Traditional mosaic electrode resistance is larger, conductance is low, and making it, current efficiency is low in the treatment of waste water, stability
Not enough, short life, electrode material cost are higher, limit the development of mosaic electrode material, therefore, the hair of bipolar three-dimensional electrode
Exhibition is paid attention to by more and more scholars.
But in actual applications, in bipolar three-dimensional electrode reactor due to the density of insulating particle and conducting particles,
The difference of particle diameter, insulating particle and conducting particles are drifted apart from longtime running, cause short circuit current to increase, current efficiency drop
It is low.Secondly as the pollution problem on mosaic electrode surface so that effective electrode area is gradually reduced, and current efficiency also can be therewith
Reduce.
Utility model content
The purpose of this utility model is to provide a kind of multipole three-dimensional electrocatalysis oxidation reaction device.
Technical solution adopted in the utility model is：
A kind of multipole three-dimensional electrocatalysis oxidation reaction device, including supply unit and reactive tank, reactive tank is by particle electricity
Pole supporting layer is divided into the reaction zone on top and the aeration zone of bottom, and mosaic electrode supporting layer is provided with several stomatas；Reaction zone
Bottom is provided with water inlet, and the top of reaction zone is provided with delivery port；The electrode perpendicular to mosaic electrode supporting layer is provided with reaction zone
Group, electrode group include some to multipole positive plate and multipole minus plate, each pair adjacent multipole positive plate and multipole
Filler particles electrode between minus plate, electrode group are connected with supply unit；Aeration zone is provided with aeration tube.
Reactive tank is cuboid, and the ratio of its length, width and depth is (2~3)：1：(0.5~1).
The air vent aperture of mosaic electrode supporting layer is 0.3~1mm.
The interval of the adjacent multipole positive plate of each pair and multipole minus plate is 4~6cm.
The particle size range of mosaic electrode is 1~5mm.
Water inlet is located at mosaic electrode support layer height, and delivery port is located at liquid level active position height in reactive tank.
Supply unit is D.C. regulated power supply, there is provided voltage is 10~30V.
The beneficial effects of the utility model are：
The utility model can effectively reduce reactor internal short-circuit electric current and prevent mosaic electrode surface contamination, and extend
The service life of electrode material, significantly improve the treatment effeciency of Electrocatalysis Degradation Organic Pollutants in Wastewater.
Device can continuously be run, and can also use intermittent duty mode according to organic pollutant degradation complexity, can
Oxidation removal for Trace Organic Pollutants in Drinking Water, it can also be used to the oxidation of bio-refractory organic pollution in waste water
Remove.
Brief description of the drawings
Fig. 1 is multipole three-dimensional electrocatalysis oxidation reaction schematic device.
Embodiment
A kind of multipole three-dimensional electrocatalysis oxidation reaction device, including supply unit and reactive tank, reactive tank is by particle electricity
Pole supporting layer is divided into the reaction zone on top and the aeration zone of bottom, and mosaic electrode supporting layer is provided with several stomatas；Reaction zone
Bottom is provided with water inlet, and the top of reaction zone is provided with delivery port；The electrode perpendicular to mosaic electrode supporting layer is provided with reaction zone
Group, electrode group include some to multipole positive plate and multipole minus plate, each pair adjacent multipole positive plate and multipole
Filler particles electrode between minus plate, electrode group are connected with supply unit；Aeration zone is provided with aeration tube.
Preferably, reactive tank is cuboid, and the ratio of its length, width and depth is (2~3)：1：(0.5~1)；Enter one
Step is preferable, and the ratio of reactive tank its length, width and depth is 2：1：1.
Preferably, the material of reactive tank is plastics or lucite.
Preferably, the air vent aperture of mosaic electrode supporting layer is 0.3~1mm；It is further preferred that mosaic electrode supporting layer
Air vent aperture be 0.5mm.
Preferably, the interval of the adjacent multipole positive plate of each pair and multipole minus plate is 4~6cm；It is further excellent
Choosing, the interval of the adjacent multipole positive plate of each pair and multipole minus plate is 5cm.
Preferably, multipole positive plate is metal oxide-loaded NACF.
Preferably, multipole minus plate is NACF.
Preferably, metal oxide RuO2, IrO2, SnO2, PbO2At least one of.
Preferably, mosaic electrode is insulated particle or at least one of its load, modified spin-off.
Further, insulated particle is glass marble, baton round, γ-Al2O3At least one of particle.
Still further preferably, mosaic electrode is γ-Al2O3Particle, γ-Al2O3Load at least one of ZIF-8 particles；
ZIF-8 is Zn (Hmin)2Zeolite imidazole ester skeleton, Hmin are 2-methylimidazole.
Preferably, the particle size range of mosaic electrode is 1~5mm.
Preferably, water inlet is located at mosaic electrode support layer height, and it is high that delivery port is located at liquid level active position in reactive tank
Degree.
Preferably, supply unit is D.C. regulated power supply, there is provided voltage is 10~30V；It is further preferred that supply unit
Offer voltage is 20V.
Preferably, the gas-water ratio control of aeration is (1~1.5)：1；It is further preferred that the gas-water ratio control of aeration is
1.5：1.
Content of the present utility model is described in further detail below by way of specific accompanying drawing 1.
Accompanying drawing 1 is multipole three-dimensional electrocatalysis oxidation reaction schematic device, 1- D.C. regulated power supplies in Fig. 1,2- reactions
Groove, 3- positive plates, 4- minus plates, 5- mosaic electrodes, 6- aeration tubes, 7- mosaic electrode supporting layers, 8- water inlets, 9- delivery ports.
The reaction unit, including D.C. regulated power supply (1) and reactive tank (2), reactive tank (2) are divided into by mosaic electrode supporting layer (7)
The reaction zone in portion and the aeration zone of bottom；The bottom of reaction zone is provided with water inlet (8), and the top of reaction zone is provided with delivery port (9)；
Be provided with the electrode group being placed in above mosaic electrode supporting layer in reaction zone, electrode group include it is some to multipole positive plate (3) and
Multipole minus plate (4), filler particles electrode (5) between each pair adjacent multipole positive plate and multipole minus plate, electrode
Group is connected with supply unit (1)；Aeration zone is provided with aeration tube (6).
Embodiment：
Device is the cuboid pond type that lucite is process, and its length and width depth ratio is length：It is wide：Deep=2：1：1, reaction
Groove supporting layer is uniformly covered with a diameter of 0.5mm aperture, and bottom supplies compressed air into reactive tank using aeration tube, controls gas
Water ratio is 3：2, while aeration gas flow plays stirring action, strengthens mass transfer rate of the organic matter in reactor.Positive plate is table
Face is coated with oxygen evolution potential RuO2Electric conductivity NACF (ACF), minus plate is the preferable NACF of electric conductivity.
Water inlet is located at support layer height, and delivery port is located at liquid level active position height in reactive tank.According to organic when continuous stream is run
Thing degradation rate determines hydraulic detention time；The present apparatus can also use intermittent duty mode, true according to rate of contaminant degradation
Determine processing time.
Carry out being not added with mosaic electrode, filling γ-Al respectively between Yin/Yang pole plate2O3With filling γ-Al2O3@ZIF-8
Mosaic electrode carries out comparative study, investigates the electrocatalytic oxidation removal effect to target contaminant rhodamine B (RhB).Each
Before electrocatalytic oxidation experiment, related electrode material in experiment is soaked in the rhodamine B solution of pending concentration in advance
24h so that various materials reach adsorption saturation to rhodamine B, then carry out electro-catalysis batch experiment.
Batch experiment condition is：20V voltages are provided by D.C. regulated power supply, each Yin/Yang pole plate spacing is 5cm, rhodamine B
Solution concentration is 20mg/L, adds 8g/LNa2SO4Make supporting electrolyte, solution initial pH value is 3.0, is being not added with particle respectively
Electrode, addition γ-Al2O3、γ-Al2O3During@ZIF-8 mosaic electrode, removal effect of the device to RhB is investigated, is as a result shown,
Compared with being not added with mosaic electrode, γ-Al are added2O3With γ-Al2O3The electrocatalytic oxidation of@ZIF-8 mosaic electrodes removes RhB's
Performance all greatly improves.When processing time is 15min, γ-Al2O3The clearance of@ZIF-8 groups reached 90%, γ-
Al2O3Group reaches 90% clearance when degrading 30min, and the experimental group for being not added with mosaic electrode just reaches 90% after 45min
Clearance.
Device of the present utility model can be applied not only to general dye wastewater treatment, can be used for antibiosis in water body
The oxidation removal of the materials such as element, incretion interferent；In addition, also have preferably for ammonia nitrogen removal in the creek waste water of low ratio of carbon to ammonium
Removal effect.
Claims (7)
1. a kind of multipole three-dimensional electrocatalysis oxidation reaction device, including supply unit and reactive tank, it is characterised in that；Reactive tank
It is divided into the reaction zone on top and the aeration zone of bottom by mosaic electrode supporting layer, mosaic electrode supporting layer is provided with several stomatas；
The bottom of reaction zone is provided with water inlet, and the top of reaction zone is provided with delivery port；It is provided with reaction zone perpendicular to mosaic electrode support
The electrode group of layer, electrode group include some to multipole positive plate and multipole minus plate, the adjacent multipole positive plate of each pair
Filler particles electrode, electrode group are connected with supply unit between multipole minus plate；Aeration zone is provided with aeration tube.
A kind of 2. multipole three-dimensional electrocatalysis oxidation reaction device according to claim 1, it is characterised in that：Reactive tank is
Cuboid, the ratio of its length, width and depth is (2~3)：1：(0.5~1).
A kind of 3. multipole three-dimensional electrocatalysis oxidation reaction device according to claim 1, it is characterised in that：Mosaic electrode
The air vent aperture of supporting layer is 0.3~1mm.
A kind of 4. multipole three-dimensional electrocatalysis oxidation reaction device according to claim 1, it is characterised in that：Each pair is adjacent
Multipole positive plate and the interval of multipole minus plate be 4~6cm.
A kind of 5. multipole three-dimensional electrocatalysis oxidation reaction device according to claim 1, it is characterised in that：Mosaic electrode
Particle size range be 1~5mm.
A kind of 6. multipole three-dimensional electrocatalysis oxidation reaction device according to claim 1, it is characterised in that：Water inlet position
In mosaic electrode support layer height, delivery port is located at liquid level active position height in reactive tank.
A kind of 7. multipole three-dimensional electrocatalysis oxidation reaction device according to claim 1, it is characterised in that：Supply unit
For D.C. regulated power supply, there is provided voltage is 10~30V.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720762473.4U CN207002341U (en) | 2017-06-27 | 2017-06-27 | A kind of multipole three-dimensional electrocatalysis oxidation reaction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720762473.4U CN207002341U (en) | 2017-06-27 | 2017-06-27 | A kind of multipole three-dimensional electrocatalysis oxidation reaction device |
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| Publication Number | Publication Date |
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| CN207002341U true CN207002341U (en) | 2018-02-13 |
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ID=61448973
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107188277A (en) * | 2017-06-27 | 2017-09-22 | 东莞理工学院 | A kind of three-dimensional electrocatalysis oxidation reaction device of multipole and application |
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2017
- 2017-06-27 CN CN201720762473.4U patent/CN207002341U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107188277A (en) * | 2017-06-27 | 2017-09-22 | 东莞理工学院 | A kind of three-dimensional electrocatalysis oxidation reaction device of multipole and application |
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