CN106430796B - A kind of organic wastewater treating system and method for original position absorption-electro-catalysis coupling - Google Patents
A kind of organic wastewater treating system and method for original position absorption-electro-catalysis coupling Download PDFInfo
- Publication number
- CN106430796B CN106430796B CN201610938735.8A CN201610938735A CN106430796B CN 106430796 B CN106430796 B CN 106430796B CN 201610938735 A CN201610938735 A CN 201610938735A CN 106430796 B CN106430796 B CN 106430796B
- Authority
- CN
- China
- Prior art keywords
- electro
- catalysis
- organic wastewater
- organic
- electrode
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention discloses the organic wastewater treating system and method for a kind of absorption in situ-electro-catalysis coupling, including electrolytic cell, electro-catalysis anode and electro-catalysis cathode；Electro-catalysis anode be it is hollow rodlike, be set to electrolysis groove center, the conductor for winding conducting wire placed in the cavity of electro-catalysis anode, the both ends of conducting wire connect electromagnetism field ionization source；Electro-catalysis anode connects the cathode and anode of electro-catalysis power supply with electro-catalysis cathode；Electro-catalysis cathode is cylindrical shape, is set on the inner wall of electrolytic cell, by electro-catalysis anode around wherein；It is the solution containing organic molecule to be handled between the electro-catalysis anode and electro-catalysis cathode of electrolytic cell, contains several magnetic adsorbent particles in solution.By the present invention in that being controlled with magnetic adsorbent particle additional electromagnetic field, the position of magnetic adsorbent particle in the solution can be controlled, accelerates electrocatalytic oxidation process mass transfer, realizes the raising to organic matter accumulation ability, and then promote its Electrocatalysis Degradation performance.
Description
Technical field
The invention belongs to electro-chemical water process field, in particular to a kind of absorption-electro-catalysis coupling processing system in situ
Building.
Background technique
Electrocatalytic oxidation wastewater processing technology is as a kind of novel waste water difficult for biological degradation processing technique, by scientific research work
Author more and more pays close attention to and payes attention to (Applied Catalysis A:General, 2014,480:58；
Environ.Sci.Pollut.,2014,21:8493；Chemical Society reviews,2011,40:3879).The skill
There are two types of the main treatment mechanisms of art: 1) Direct Catalytic Oxidation: organic matter is directly carried out in electrode surface and electrode surface oxides
Electron exchange, and then redox reaction occurs, change the molecular structure of organic matter, reaches innoxious or mineralising purpose (Xi'an
University of communications's journal, 2016,50 (5): 134)；2) indirect catalysis oxidation: the strong oxidizing property intermediate generated using electrode surface,
Attack is carried out to organic molecule, breaks the molecular structure of organic matter, and then be allowed to by gradually innoxious or even permineralization.
Indirect catalysis oxidation mechanism is the main treatment mechanism of electro-catalytic oxidation technology, and core is that anode surface is produced
Raw strong oxidizing property intermediate (RSC Advances, 2016,6:4858), wherein it is most typical be represented as hydroxyl radical free radical (
OH).Organic matter occurs serial reaction with OH and organic molecule is oxidized, until being fully converted to CO2And H2O.And OH
Active height, service life are short, and organic molecule must be reached at Cathode/Solution Interface by mass transport process, are likely to and OH is carried out
Haptoreaction.But the mass transport process of organic matter is often the rate determining step of electrocatalytic oxidation process.It follows that limit
The key factor of electrode electrocatalytic oxidation property processed is: due to the restriction of mass transport process, the ADSORPTION STATE OH of electrode surface without
Method comes into full contact with organic molecule, and a large amount of OH are wasted due to free radical recombination reaction, eventually leads to its apparent catalysis effect
Rate is lower.This mass transfer restricts particularly evident when organic concentration is lower.
As the above analysis, the electrocatalytic oxidation property of Yao Tigao electrode, it is necessary to strengthen mass transport process, i.e. reinforced solution
The organic molecule process mobile towards electrode surface in ontology, improves quantity and rate that organic molecule reaches electrode surface,
Enable it to come into full contact with OH to react.To strengthen mass transport process, electrode can be improved by ad hoc fashion and be enriched with wait degrade
The ability of organic matter generates the enrichment field of an organic molecule between electrode surface and solution bulk, so that organic matter point
Son is enriched with to electrode surface.When organic molecule constantly can enter interface, surface adsorption state OH and organic molecule
Catalytic probability increases, and OH utilization rate increases, and analysis oxygen side reaction is inhibited, and current efficiency improves, processed in units energy
Consumption value reduces, so that organic matter degradation process obtains promoting accordingly and strengthening.Strengthen electrocatalytic oxidation in which way
The mass transport process of change system realizes its raising to organic matter accumulation ability, and then promotes its Electrocatalysis Degradation performance, becomes skill
The key that art is implemented.
Summary of the invention
The purpose of the present invention is to provide a kind of absorption in situ-electro-catalysis coupling organic wastewater treating system and method,
Adsorbent is directly added into electrocatalytic oxidation system, absorption-electro-catalysis system in situ is constructed, so that adsorption process and electro-catalysis
Oxidation process carries out within same time and spatial dimension, efficiently solves the above-mentioned problems of the prior art.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of organic wastewater treating system of original position absorption-electro-catalysis coupling, including electrolytic cell, electro-catalysis anode and electricity are urged
Change cathode；Electro-catalysis anode be it is hollow rodlike, be set to electrolysis groove center, permanent magnet or electricity placed in the cavity of electro-catalysis anode
Magnet；The electromagnet includes the conductor for winding conducting wire, and the both ends of conducting wire connect electromagnetism field ionization source；Electro-catalysis anode and electro-catalysis
The anode and cathode of cathode connection electro-catalysis power supply；Electro-catalysis cathode is cylinder electrode, or the monomer electrode being circular layout,
By electro-catalysis anode around wherein；For containing organic matter to be handled point between the electro-catalysis anode and electro-catalysis cathode of electrolytic cell
The solution of son contains several magnetic adsorbent particles in solution.
Further, electrolytic cell has agitating device.
Further, the agitating device is mechanical agitator or magnetic stirrer.
Further, electro-catalysis anode is carbon electrode, noble metal electrode or metal oxide electrode.
Further, electro-catalysis cathode is made of the material that can play electric action.
Further, electro-catalysis power supply power supply mode is DC constant voltage power supply, direct current constant current-supplying or DC pulse power supply.
Further, magnetic adsorbent particle has adsorption desorption characteristic for handled organic molecule.
Further, including but not limited to Fe is contained in magnetic adsorbent particle kernel3O4、Fe2O3、NiFe2O4Or
CoFe2O4One or more of.
A kind of method for processing organic wastewater of original position absorption-electro-catalysis coupling, comprising: electromagnetic field is in the state disconnected,
Solution is in stirring and absorbent particles is made to be in fluidized state, is suspended in solution to be processed；Absorbent particles
Adsorb the organic molecule in solution to be processed, then by absorbent particles under fluidized state with electro-catalysis anode surface
Mass transport process of the organic molecule from solution bulk to electrode surface is completed in collision；After electro catalytic electrode is powered, it is adsorbed agent
Particle brings the organic molecule at Cathode/Solution Interface into and oxidation reaction occurs with the OH of electrode surface herein, completes degradation
Process.
A kind of method for processing organic wastewater of original position absorption-electro-catalysis coupling, comprising: electromagnetic field always exists, and magnetism is inhaled
Attached dose of particle is adsorbed in always electro-catalysis anode surface, constitutes a kind of transition electrode system between 2 dimensions and 3 dimension systems,
In this case, the actual surface area of the absorbent particles layer expansion electrode of electrode surface, in electrode surface and solution bulk
Between generate the enrichment field of an organic molecule so that organic molecule constantly migrated from solution bulk to electrode surface it is rich
Collection；When organic molecule constantly enters interface, surface adsorption state OH and the catalytic probability of organic molecule increase
Add, OH utilization rate increases, and analysis oxygen side reaction is inhibited, and current efficiency improves, and processed in units power consumption values reduce, so that organic
Object degradation process is promoted and strengthens.
A kind of method for processing organic wastewater of original position absorption-electro-catalysis coupling, comprising: electromagnetic field periodically connects on and off
It opens, magnetic adsorbent particle is made to travel to and fro between solution bulk and electrode surface with identical frequency；When electromagnetic field disconnects, magnetism is inhaled
Attached dose of particle is detached from electrode surface；The stirring action as present in electrolytic cell, so that magnetic adsorbent particle is in fluidisation shape
State is suspended in solution to be processed；At this point, the organic molecule in magnetic adsorbent granular absorption solution to be processed；When
When electromagnetic field is connected, magnetic adsorbent granular absorption is in electrode surface, and magnetic adsorbent particle is due to electrode surface acidity at this time
The influence of environment and release the organic molecule adsorbed in solution bulk, complete desorption and regenerative process；And it is inhaled by magnetism
Attached dose of particle brings the organic molecule at Cathode/Solution Interface into and oxidation reaction occurs with the OH of electrode surface herein, completes
Degradation process；Electromagnetic field periodically switches on and off, so that magnetic adsorbent adsorption process in the solution and in electrode surface
Desorption process alternately so that organic molecule is enriched in electrode/solution interface, so that organic matter degradation process obtains
To promotion and strengthen.
Compared with the prior art, the invention has the following advantages:
Magnetic adsorbent particle is added in the present invention in organic solution to be processed, using magnetic adsorbent particle as bridge,
It forms organic molecule and forces the reinforcing mass transfer channel migrated to from electrode interface from solution bulk, reach improvement electrocatalytic oxidation
The purpose of process mass transfer step；The desorption and regenerative process that the presence of electrocatalytic oxidation process has conducive to adsorbent, can be one
Determine the service life for extending adsorbent in degree.It, being capable of more high efficiency, low energy consumption compared to existing single treatment technology
Handle low concentration difficult for biological degradation organic wastewater.
The shortcomings that present invention overcomes existing absorption method only and realizes the phase transfer of organic matter, by using magnetic adsorbent
Grain additional electromagnetic field control, can control the position of magnetic adsorbent particle in the solution, accelerate electrocatalytic oxidation process mass transfer,
It realizes the raising to organic matter accumulation ability, and then promotes its Electrocatalysis Degradation performance.
Detailed description of the invention
Fig. 1 is the absorption in situ in electromagnetic field vanishing state-electro-catalysis system schematic diagram；
Fig. 2 is the absorption in situ in electromagnetic field on-state-electro-catalysis system schematic diagram.
Specific embodiment
A kind of target of absorption in situ of the present invention-electro-catalysis coupling organic wastewater treating system makes in solution bulk
Organic molecule by adsorption process by fast enriching in electrode surface, accelerate its reacting with OH.This means that adsorbent
Need to move back and forth between solution bulk and electrode surface: carrying out adsorption process in solution bulk, electrode surface into
Row desorption and regenerative process.
It please refers to shown in Fig. 1 and Fig. 2, a kind of absorption in situ of the present invention-electro-catalysis coupling organic wastewater treating system, packet
Include electrolytic cell 1, electro-catalysis anode 2 and electro-catalysis cathode 3.
Electro-catalysis anode 2 be it is hollow rodlike, be set to 1 center of electrolytic cell, place permanent magnet in the cavity of electro-catalysis anode 2
Or electromagnet；Electromagnet includes the conductor 5 for winding conducting wire 4, and the both ends of conducting wire 4 connect electromagnetism field ionization source 6, by controlling electromagnetism
Field ionization source 6 cut-off and size of current is big to control the generation of electromagnetic field and magnetic field strength in hollow rodlike electro catalytic electrode 2
It is small.Electro-catalysis anode 2 and electro-catalysis cathode 3 connect the anode and cathode of electro-catalysis power supply 7, to carry out electrocatalytic oxidation.
Electro-catalysis cathode 3 is cylinder electrode or the monomer electrode being circular layout, and is set on the inner wall of electrolytic cell 1,
By electro-catalysis anode 2 around wherein.
The bottom of electrolytic cell 1 is equipped with magnetic stirrer 8.Between the electro-catalysis anode 2 and electro-catalysis cathode 3 of electrolytic cell 1
For the solution containing organic molecule to be handled, magnetic adsorbent particle 9 is contained in solution.
When a kind of absorption in situ of the present invention-electro-catalysis coupling organic wastewater treating system work:
In the absence of electromagnetic field, magnetic adsorbent particle 9 is dispersed in solution bulk due to stirring action, such as
Shown in attached drawing 1；Organic molecule present in the adsorbent solution of absorbent particles meeting at this time.In the presence of electromagnetic field, magnetic absorption
Agent particle can be adsorbed in electrode surface due to electromagnetic field effect, as shown in Fig. 2；Absorbent particles can be due to electrode table at this time
The influence of face acidic environment and release the organic molecule adsorbed in solution bulk, complete desorption and regenerative process.It is inhaled
Oxidation reaction occurs for the OH that attached agent molecule brings organic molecule and electrode surface at Cathode/Solution Interface into, completes degradation
Process.When electromagnetic field is generated with specific frequency, disappeared, the organic molecule in solution bulk can be by magnetic adsorbent particle gradually
It migrates to electrode surface, completes entire electrocatalytic oxidation process.
Electro catalytic electrode in the present invention includes but is not limited to: carbon electrode (graphite electrode, boron-doped diamond electrode etc.), expensive
Metal electrode and metal oxide electrode (the especially metal oxide electrodes of titanium-based series) etc..
Electro-catalysis anode is pole shape in the present invention；Its center is hollow；Wherein one end is closed.
The particular problems such as electrode specific size, central cavity size involved in the present invention and cell dimension, Ke Yigen
Factually border disposition optimizes.
Electro-catalysis power supply power supply mode in the present invention includes but is not limited to: DC constant voltage power supply, direct current constant current-supplying, straight
Flow pulse power supply etc..
Magnetic adsorbent in the present invention has the feature adsorbent of preferable adsorption desorption characteristic for handled organic matter；
Contain including but not limited to Fe in its kernel3O4Or Fe2O3Or NiFe2O4Or CoFe2O4One or more of.
In the present invention, the electrochemical parameter (such as current density) that is related in the process of running, water velocity, hydraulic retention
Time and the dosage of magnetic adsorbent etc. can optimize according to process object and the difference of condition of water quality.
In the present invention, whether the pulse frequency of electromagnetic field duty ratio size, has the correlative factors such as negative pulse and its size can
To optimize according to the actual situation.
Embodiment 1: without aspiration-type, i.e. the electromagnetic field state that is constantly in disconnection.Under such state, due in electrolytic cell
Existing stirring action is suspended in solution to be processed so that absorbent particles are in fluidized state.At this point, adsorbent
Particle can adsorb the organic molecule in solution to be processed, then by absorbent particles under fluidized state with electrode surface
Mass transport process of the organic molecule from solution bulk to electrode surface is completed in collision.After electro catalytic electrode is powered, it is adsorbed agent
Molecule brings the organic molecule at Cathode/Solution Interface into and oxidation reaction occurs with the OH of electrode surface herein, completes degradation
Process.
Embodiment 2: the electromagnetic field of direct aspiration-type, i.e. electromagnet always exists or uses permanent magnet.Magnetic adsorbent
Particle is adsorbed in always electrode surface, constitutes a kind of transition electrode system (2.5 dimension system) between 2 dimensions and 3 dimension systems.
In this case, the absorbent particles layer of electrode surface is by the actual surface area of great expansion electrode, thus i.e. in electrode
The enrichment field of an organic molecule is generated between surface and solution bulk, so that organic molecule is constantly from solution bulk to electricity
Pole surface Migration And Concentration.When organic molecule constantly enters interface, surface adsorption state OH is contacted instead with organic molecule
The probability answered increases, and OH utilization rate increases, and analysis oxygen side reaction is inhibited, and current efficiency improves, processed in units power consumption values drop
It is low, so that organic matter degradation process obtains promoting accordingly and strengthening.
Embodiment 3: pulse aspiration-type, the i.e. electromagnetic field of electromagnet are switched on and off with certain frequency, make magnetic absorption
Agent travels to and fro between solution bulk and electrode surface with identical frequency.When electromagnetic field disconnects, magnetic adsorbent is detached from electrode surface.
The stirring action as present in electrolytic cell is suspended in solution to be processed so that absorbent particles are in fluidized state.
At this point, absorbent particles can adsorb the organic molecule in solution to be processed.When electromagnetic field is connected, magnetic adsorbent particle is inhaled
Invest electrode surface, at this time absorbent particles can due to electrode surface acidic environment influence and release and inhaled in solution bulk
Attached organic molecule completes desorption and regenerative process.And it is adsorbed the organic matter that agent molecule is brought at Cathode/Solution Interface and divides
With the OH of electrode surface oxidation reaction occurs for son herein, completes degradation process.Electromagnetic field connected according to certain rule and
Disconnect so that magnetic adsorbent adsorption process in the solution and electrode surface desorption process alternately so that organic
What object molecule was capable of high degree is enriched in electrode/solution interface, so that organic matter degradation process is promoted accordingly
With reinforcing.
Claims (9)
1. a kind of original position absorption-electro-catalysis coupling organic wastewater treating system, which is characterized in that urged including electrolytic cell (1), electricity
Change anode (2) and electro-catalysis cathode (3)；
Electro-catalysis anode (2) be it is hollow rodlike, be set to electrolytic cell (1) center, place permanent magnetism in the cavity of electro-catalysis anode (2)
Body or electromagnet；The electromagnet includes the conductor (5) for winding conducting wire (4), and the both ends of conducting wire (4) connect electromagnetism field ionization source (6)；
The anode and cathode of electro-catalysis anode (2) and electro-catalysis cathode (3) connection electro-catalysis power supply (7)；
Electro-catalysis cathode (3) is the monomer electrode of cylinder electrode or annular configuration, is set on the inner wall of electrolytic cell (1), will
Electro-catalysis anode (2) is around wherein；
It is the organic waste containing organic molecule to be handled between the electro-catalysis anode (2) and electro-catalysis cathode (3) of electrolytic cell (1)
Water contains several magnetic adsorbent particles (9) in organic wastewater.
2. a kind of organic wastewater treating system of absorption in situ-electro-catalysis coupling according to claim 1, feature exist
In the electrolytic cell (1) has agitating device.
3. a kind of organic wastewater treating system of absorption in situ-electro-catalysis coupling according to claim 1, feature exist
In electro-catalysis anode (2) and electro-catalysis cathode (3) are carbon electrode, noble metal electrode or metal oxide electrode.
4. a kind of organic wastewater treating system of absorption in situ-electro-catalysis coupling according to claim 1, feature exist
In electro-catalysis power supply power supply mode is DC constant voltage power supply, direct current constant current-supplying or DC pulse power supply.
5. a kind of organic wastewater treating system of absorption in situ-electro-catalysis coupling according to claim 1, feature exist
In magnetic adsorbent particle has adsorption desorption characteristic for handled organic molecule.
6. a kind of organic wastewater treating system of absorption in situ-electro-catalysis coupling according to claim 5, feature exist
In containing Fe in magnetic adsorbent particle kernel3O4、Fe2O3、NiFe2O4Or CoFe2O4One or more of.
7. a kind of original position absorption-electro-catalysis coupling method for processing organic wastewater, which is characterized in that based in claim 1 to 6
The organic wastewater treating system of described in any item a kind of absorption in situ-electro-catalysis couplings, comprising: electromagnetic field is in the shape disconnected
State, organic wastewater are in stirring and absorbent particles are made to be in fluidized state, is suspended in organic wastewater to be processed；
Absorbent particles adsorb the organic molecule in organic wastewater to be processed, then by absorbent particles under fluidized state with electricity
Mass transport process of the organic molecule from organic wastewater ontology to electrode surface is completed in the collision on catalyticing anode (2) surface；When electricity is urged
Polarizing electrode be powered after, be adsorbed agent particle bring into electrode/organic wastewater interface organic molecule herein with electrode surface
OH occur oxidation reaction, complete degradation process.
8. a kind of original position absorption-electro-catalysis coupling method for processing organic wastewater, which is characterized in that based in claim 1 to 6
The organic wastewater treating system of described in any item a kind of absorption in situ-electro-catalysis couplings, comprising: electromagnetic field always exists, magnetic
Property absorbent particles be adsorbed in electro-catalysis anode (2) surface always, constitute a kind of transition electricity between 2 dimensions and 3 dimension systems
Polar body system, in this case, the actual surface area of the absorbent particles layer expansion electrode of electrode surface, electrode surface with have
The enrichment field of an organic molecule is generated between machine waste water ontology, so that organic molecule is constantly from organic wastewater ontology to electricity
Pole surface Migration And Concentration；When organic molecule constantly enters interface, surface adsorption state OH is contacted instead with organic molecule
The probability answered increases, and OH utilization rate increases, and analysis oxygen side reaction is inhibited, and current efficiency improves, processed in units power consumption values drop
It is low, so that organic matter degradation process is promoted and strengthens.
9. a kind of original position absorption-electro-catalysis coupling method for processing organic wastewater, which is characterized in that based in claim 1 to 6
A kind of described in any item absorption in situ-electro-catalysis coupling organic wastewater treating system, comprising: electromagnetic field periodically connect and
It disconnects, magnetic adsorbent particle (9) is made to travel to and fro between organic wastewater ontology and electrode surface with identical frequency；When electromagnetic field disconnects
When, magnetic adsorbent particle (9) is detached from electrode surface；The stirring action as present in electrolytic cell (1), so that magnetic adsorbent
Particle (9) is in fluidized state, is suspended in organic wastewater to be processed；At this point, magnetic adsorbent particle (9) is adsorbed wait locate
Manage the organic molecule in organic wastewater；When electromagnetic field is connected, magnetic adsorbent particle (9) is adsorbed in electrode surface, at this time
Magnetic adsorbent particle (9) due to the influence and releasing of electrode surface acidic environment adsorbed in organic wastewater ontology it is organic
Object molecule completes desorption and regenerative process；And it is organic to bring electrode/organic wastewater interface by magnetic adsorbent particle (9)
With the OH of electrode surface oxidation reaction occurs for object molecule herein, completes degradation process；Electromagnetic field periodically switches on and off, and makes
Adsorption process of the magnetic adsorbent in organic wastewater and electrode surface desorption process alternately so that organic matter point
Son is enriched in electrode/organic wastewater interface, so that organic matter degradation process is promoted and strengthens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610938735.8A CN106430796B (en) | 2016-10-25 | 2016-10-25 | A kind of organic wastewater treating system and method for original position absorption-electro-catalysis coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610938735.8A CN106430796B (en) | 2016-10-25 | 2016-10-25 | A kind of organic wastewater treating system and method for original position absorption-electro-catalysis coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106430796A CN106430796A (en) | 2017-02-22 |
| CN106430796B true CN106430796B (en) | 2019-04-16 |
Family
ID=58178352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610938735.8A Active CN106430796B (en) | 2016-10-25 | 2016-10-25 | A kind of organic wastewater treating system and method for original position absorption-electro-catalysis coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106430796B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108558116B (en) * | 2018-06-26 | 2023-09-22 | 南京林业大学 | Electric flocculation, magnetic flocculation and multistage oxidation integrated sewage treatment system and method |
| CN111675417B (en) * | 2020-05-11 | 2022-10-18 | 江苏净钻环保科技有限公司 | Magnetic adsorption assisted photoelectrocatalysis oxidation water treatment system and water treatment method |
| CN114028906B (en) * | 2021-11-26 | 2023-01-03 | 西安交通大学 | Organic waste gas coupling formula integration processing apparatus |
| CN114606522B (en) * | 2022-03-23 | 2023-07-21 | 昆明理工大学 | High-efficiency magnetic field assisted electrocatalytic reduction of CO 2 Is a method of (2) |
| CN115321646B (en) * | 2022-07-20 | 2023-08-15 | 湖北大学 | Method for electrocatalytic degradation of organic pollutants by externally applied magnetic field |
| CN115321723A (en) * | 2022-10-17 | 2022-11-11 | 杭州水处理技术研究开发中心有限公司 | Treatment method and system for mixed brine of wastewater zero discharge system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU698331A1 (en) * | 1976-07-12 | 1983-05-15 | Московский Ордена Ленина,Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Государственный Университет Им.М.В.Ломоносова | Apparatus for recovering metals from solutions |
| CN102101205B (en) * | 2009-12-21 | 2013-11-06 | 财团法人金属工业研究发展中心 | Electrochemical processing device, processing method and electrode unit thereof |
| CN204873961U (en) * | 2015-06-04 | 2015-12-16 | 殷衡 | Magnetism catalysis - electric fenton reaction device |
| CN105481187A (en) * | 2016-01-14 | 2016-04-13 | 济南大学 | Device for degrading typical PPCP (pharmaceuticals and personal care product) organic matters in municipal sewage under low-temperature condition and degrading method of device |
| CN105668708B (en) * | 2016-03-24 | 2019-02-22 | 大连海事大学 | Magnetic Fe3O4Particle is coupled electro-Fenton reactor and is carried out the processing method of decentralized type sewage reuse using the reactor |
-
2016
- 2016-10-25 CN CN201610938735.8A patent/CN106430796B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106430796A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106430796B (en) | A kind of organic wastewater treating system and method for original position absorption-electro-catalysis coupling | |
| Aelterman et al. | Loading rate and external resistance control the electricity generation of microbial fuel cells with different three-dimensional anodes | |
| CN103316908B (en) | Device and method for restoring soil polluted by polychlorinated biphenyl | |
| Li et al. | Bio‐electro‐Fenton systems for sustainable wastewater treatment: mechanisms, novel configurations, recent advances, LCA and challenges. An updated review | |
| CN102070230A (en) | Method for removing organic matters in water by utilizing three-dimensional electrode electro-fenton and device thereof | |
| CN103241807B (en) | Composite particle electrode for bipolar three-dimensional electrode reactor and preparation method of electrode | |
| CN108928890A (en) | A kind of method of three-diemsnional electrode coupling oxidizer treatment used water difficult to degradate | |
| CN103193297A (en) | Sewage treatment method coupled with organic membrane and electro-Fenton catalytic technology | |
| CN110902776A (en) | Method for generating sulfate radical free radical oxidation pollutants through in-situ electrocatalysis | |
| CN103754990A (en) | Bipolar three-dimension electrode coupling treatment device for treatment of non-biodegradable organic wastewater | |
| CN102603039A (en) | Coupling desalination method and device | |
| CN112811678B (en) | Improved double-cathode non-aeration electro-Fenton sewage treatment device and method | |
| CN103435134A (en) | Method for improving biodegradability of semi-coking wastewater based on CNTs/Fe3O4 three-dimensional electric-Fenton | |
| Ren et al. | Current generation in microbial electrolysis cells with addition of amorphous ferric hydroxide, Tween 80, or DNA | |
| CN111924940B (en) | Induction electrode and method for degrading pollutants in electromagnetic coupling field | |
| CN106946362B (en) | The preparation method of magnetic mesoporous carbon material modified anode, the magnetic microbe electro-chemical systems of pulse electromagnetic field auxiliary | |
| CN205387490U (en) | Filled type electricity catalytic oxidation reactor based on electromagnetic induction principle | |
| CN212102375U (en) | Gas field high concentration organic waste water electrochemical coupling treatment recycling device | |
| CN105923945B (en) | A kind of bioelectrochemistry auxiliary Non-energy-consumption recycles the device and method of phosphorus in sludge | |
| CN108101164A (en) | A kind of three dimensional particles electrode for being applied to electro-Fenton reaction in situ and preparation method thereof | |
| CN112791745A (en) | Preparation method of graphene composite aerogel and application of graphene composite aerogel in oxidation removal of wastewater organic matters | |
| CN210764483U (en) | Electrochemical aeration dechlorination device | |
| CN116675296A (en) | Three-dimensional electrochemical reactor and method for treating organic wastewater by using same | |
| CN105417642A (en) | Floating type sewage flocculation processing device and energy storage method by adopting same | |
| CN106745528A (en) | A kind of recycling sludge containing cupro-nickel prepares three dimensional particles electrode and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |