CN109999658A - Electric drive catalyst reaction device and its application - Google Patents
Electric drive catalyst reaction device and its application Download PDFInfo
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- CN109999658A CN109999658A CN201910382998.9A CN201910382998A CN109999658A CN 109999658 A CN109999658 A CN 109999658A CN 201910382998 A CN201910382998 A CN 201910382998A CN 109999658 A CN109999658 A CN 109999658A
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- 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
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
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- 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
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- 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 electric drive catalyst reaction device and its applications.The electric drive catalyst reaction device includes for providing the reaction vessel and electric drive reaction mechanism of reacting environment for catalysis reaction, the reaction vessel has the outlet for importing the import of reactant and for exporting reaction product, and the electric drive reaction mechanism can form electric field in the reaction vessel to drive the catalysis to react.Electric drive catalyst reaction device provided by the invention is using the progress of electric field driven catalysis reaction, especially suitable for catalytic air pollutant combustion reaction；Electric field can directly drive the generation of catalysis reaction and maintain the progress of reaction；In addition, the electrothermal effect of catalyst is also beneficial to the progress of reaction；The reaction unit can directly utilize electric energy, save external heat source, can be obviously improved the catalysis efficiency of combustion and efficiency of energy utilization of atmosphere pollution.
Description
Technical field
The present invention relates to a kind of catalyst reaction device, in particular to a kind of electric drive catalyst reaction device and its application belong to
Reaction technology field is catalyzed in pollutant.
Background technique
Majority catalysis reaction carries out at relatively high temperatures, it is therefore desirable to which external heat source maintains reaction, but in heat transfer process
In inevitably result in energy loss.The catalytic combustion elimination of atmosphere pollution is a significant example.Catalysis oxidation
The low-temperature burning of the air pollutants such as volatile organic matter (VOCs), carbon monoxide (CO) and soot particulate may be implemented, turn
Harmless carbon dioxide and water are turned to, a small number of noble metal catalysts even can be in the combustion of constant temperature catalyzing partial air pollutant
It burns, such as the formaldehyde burning (Catalysis Science&Technology, 2016,6,3649-3669) of platinum and gold catalysis, gold is urged
The CO burning (Science, 2011,333,736-739) of change.Nevertheless, the catalysis of most of air pollutants is fired
It burns and still carries out (chemical journal, 2018,76,757-773) at a relatively high temperature, improve reaction temperature using external heat source
It must be indispensable.Therefore, in the catalyticing combustion process for eliminating atmosphere pollution, energy loss is the cost being difficult to avoid that, especially
It is that inefficient using energy source is likely to result in the consequence to lose more than gain.
Summary of the invention
The main purpose of the present invention is to provide a kind of electric drive catalyst reaction device and its applications, and then overcome existing skill
The deficiency of art.
For realization aforementioned invention purpose, the technical solution adopted by the present invention includes:
On the one hand the embodiment of the present invention provides a kind of electric drive catalyst reaction device, it is characterised in that including for being to urge
Change reaction and the reaction vessel and electric drive reaction mechanism of reacting environment are provided, the reaction vessel has for importing reactant
Import and outlet for exporting reaction product, the electric drive reaction mechanism can form electric field in the reaction vessel
To drive the catalysis to react.
The embodiment of the invention also provides electric drive catalyst reaction devices as mentioned at catalytic air pollutant burning
The purposes in reason field.
On the other hand the embodiment of the present invention additionally provides a kind of method of air pollutants burning processing comprising:
1) the electric drive catalyst reaction device is provided；
2) with power supply to the electrode input current of the electric drive catalyst reaction device, to form electricity in reaction vessel
, and reactant is imported by the import of reaction vessel, and contact the reactant in reaction vessel with catalyst and in institute
It states and combustion reaction occurs under electric field driven, later export reaction product by the outlet of reaction vessel.
Compared with prior art, electric drive catalyst reaction device provided in an embodiment of the present invention is catalyzed using electric field driven
The progress of reaction, especially suitable for catalytic air pollutant combustion reaction；On the one hand, electric field can drive catalytic inner electronics
Flowing accelerates the electron transfer between reactant, and then drives and maintain the progress of reaction, realizes electric energy to the direct of chemical energy
Conversion；On the other hand, operating temperature can be improved in the electrothermal effect of catalyst, promotes the lasting progress of reaction；Reaction dress
Electric energy can directly be utilized by setting, and save external heat source, can be obviously improved the catalysis efficiency of combustion and using energy source of atmosphere pollution
Efficiency.
Detailed description of the invention
Fig. 1 is that a kind of electric drive catalyst reaction device faces the schematic diagram of the section structure in the embodiment of the present invention 1；
Fig. 2 is a kind of side elevational cross-section structural representation of electric drive catalyst reaction device in the embodiment of the present invention 1；
Fig. 3 is that a kind of electric drive catalyst reaction device faces the schematic diagram of the section structure in the embodiment of the present invention 2；
Fig. 4 is a kind of side elevational cross-section structural representation of electric drive catalyst reaction device in the embodiment of the present invention 2；
Fig. 5 is a kind of test result figure of electric drive catalyst reaction device catalysis formaldehyde burning in the embodiment of the present invention 3.
Specific embodiment
In view of deficiency in the prior art, inventor is studied for a long period of time and is largely practiced, and is able to propose of the invention
Technical solution.The technical solution, its implementation process and principle etc. will be further explained as follows.
On the one hand the embodiment of the present invention provides a kind of electric drive catalyst reaction device, including for providing for catalysis reaction
The reaction vessel and electric drive reaction mechanism of reacting environment, the reaction vessel have the import and use for importing reactant
In the outlet of export reaction product, it is described to drive that the electric drive reaction mechanism can form electric field in the reaction vessel
Catalysis reaction.
Further, the electric drive reaction mechanism can electrically cooperate with the catalyst being encapsulated in reaction vessel.
Further, the conductivity of the catalyst is 10-7~105Siemens/rice.
Further, the electric drive reaction mechanism includes the more than two electrodes that can be electrically connected to a power source, the electricity
One end of pole is arranged in the reaction vessel and can contact with the bed of the catalyst.
Further, the electrode and reaction vessel are tightly connected.
Further, the electrode includes copper electrode and/or platinum electrode.
Further, the power supply can be DC power supply or AC power source, and the electric field can be DC electric field
Or AC field.
Further, the reaction vessel includes reaction tube, and the reaction tube is also connected with air inlet pipe and an air outlet pipe, in institute
State and be formed with the import in air inlet pipe, be formed with the outlet on the escape pipe, the catalyst setting into
Between tracheae, escape pipe and the junction of reaction tube.
Further, the air inlet pipe, escape pipe and reaction tube are coaxial or arranged in a crossed manner.
In some more specific embodiments, the air inlet pipe and/or escape pipe and reaction tube vertical connection.
Further, the air inlet pipe and an air outlet pipe is arranged in the same plane.
Further, the air inlet pipe and/or escape pipe are wholely set with reaction tube.
Further, the reaction tube is also connected with more than two arm pipes, and the electrode is sealingly disposed in the arm pipe
It is interior.
Further, described two above arm pipes and reaction tube are coaxial or arranged in a crossed manner.
In some more specific embodiments, described two above arm pipes and reaction tube vertical connection.
Further, more than two arm pipes are arranged in the same plane.
Further, the arm pipe is wholely set with reaction tube.
Further, the temperature monitoring machine for monitoring reaction bed temperature is additionally provided in the reaction vessel
Structure.
In some more specific embodiments, the temperature monitoring mechanism is arranged in sleeve, described sleeve pipe
One end blocks, another end opening, and described sleeve pipe and reaction tube are tightly connected, and the closure end setting of described sleeve pipe is urged described
In the bed of agent.
Further, described sleeve pipe includes glass tube or metal tube.
Further, the temperature monitoring mechanism includes thermoelectricity occasionally thermal resistance.
Further, the reaction tube is also connected with branch pipe, and described sleeve pipe is sealingly disposed in the branch pipe.
The embodiment of the invention also provides electric drive catalyst reaction devices as mentioned at catalytic air pollutant burning
The purposes in reason field.
On the other hand the embodiment of the present invention additionally provides a kind of method of air pollutants burning processing comprising:
1) the electric drive catalyst reaction device is provided；
2) with power supply to the electrode input current of the electric drive catalyst reaction device, to form electricity in reaction vessel
, and reactant is imported by the import of reaction vessel, and contact the reactant in reaction vessel with catalyst and in institute
It states and combustion reaction occurs under electric field driven, later export reaction product by the outlet of reaction vessel.
Further, the combustion reaction includes the triggering stage of reaction (also can be regarded as the drive response stage) and continues
The stage of reaction, the triggering stage of reaction provide electric field by electric drive reaction mechanism, and electric field driven catalytic inner electronics flows,
And accelerate electron transfer between reactant, and then reaction is made to be triggered progress；Driving of the sustained response stage in aforementioned electrostatic field
Effect cooperates with down progress with the electrothermal effect of catalyst, and under electric field environment, the electrothermal effect of catalyst be can be improved certainly
Body temperature, and then promote the lasting progress of reaction.
Further, the reactant includes air pollutants and oxygen and/or nitrogen oxides.
Further, the air pollutants include volatile organic matter, it is carbon monoxide, any one in soot particulate
Kind or two or more combinations, but not limited to this.
Further, the volatile organic matter include formaldehyde, n-butanol, ethyl acetate, in toluene any one or
Two or more combinations, but not limited to this.
Further, the soot particulate include fossil fuel and/or by biomass imperfect combustion formed with charcoal
Black particulate matter as main component.
Further, the catalyst includes siller tin oxide powder or the silver-colored porous ceramics of load.
Further, the power supply is DC power supply or AC power source.
Further, the voltage of the power supply is 0~50V, and the electric field strength of formation is 0~9V/mm.
The technical solution, its implementation process and principle etc. further will be solved in conjunction with the drawings and the specific embodiments as follows
Release explanation.
Embodiment 1
A kind of sectional front view of electric drive catalyst reaction device (i.e. aforementioned electric drive reaction mechanism) of the present embodiment is such as
Shown in Fig. 1；Wherein, the glass reaction tube 1 that reaction vessel main body is 0.6 centimetre of internal diameter, top is, into (gas) mouth 2, bottom is
(gas) mouth 3 out, respectively there are arms pipe 4, the intercommunication vertical with reaction tube 1 of arm pipe 4 in intermediate two sides, and are in same plane；At two
A copper electrode 5 is respectively inserted into arm pipe 4, two copper electrodes can be separately connected the positive and negative anodes of power supply；It (is risen and is fixed with high-temperature plastic
And sealing function) filling arm pipe 4 tube wall and electrode 5 between gap；5 one end of electrode is flushed with the inner wall of reaction tube 1, another
It holds outside cantilever arm pipe 4；Reaction tube 1 close to go out (gas) mouth 3 at have concave towards the supporting table in pipe (supporting table be reaction tube part area
Domain is radially recessed) 6；With silica wool 7, by 2 grams of catalyst, (catalyst in the present embodiment is catalyzed using siller tin oxide
Agent) 8 it is encapsulated in reaction tube middle position, bottom is supported by supporting table 6；The bed two sides of catalyst 8 are respectively close with two electrodes 5
Contact.In order to detect the temperature of 8 bed of catalyst, thermocouple sheath is mounted with, such as lateral sectional view (Fig. 2) institute of the device
Show；The branch pipe 9 of an intercommunication is reserved in the middle position of reaction tube 1, branch pipe 9 is put down perpendicular to where reaction tube 1 and arms pipe 2
Face；With silica gel plug 10 by 11 fixing seal of glass bushing in branch pipe 9；The closure end of casing 11 passes through the insertion catalysis of silica gel plug 10
The bed of agent 8, another end opening of casing 11, can reserve and be inserted in thermocouple.
Embodiment 2
A kind of electric drive catalyst reaction device (i.e. aforementioned electric drive reaction mechanism) of the present embodiment faces section such as Fig. 3
It is shown；Wherein, the glass reaction tube 1 that reaction vessel main body is 0.6 centimetre of internal diameter, air inlet pipe 12, escape pipe 13 and reaction tube 1 hang down
Straight intercommunication, and it is in same plane；Coaxially extend arms pipe 4 in 1 two sides of reaction tube (both ends)；5 grams of filling is urged in reaction tube 1
Agent (catalyst in the present embodiment carries silver-colored porous ceramic catalyst using monoblock type) 8；A copper is respectively inserted into two-arm pipe 4
Electrode 5, one end of copper electrode 5 and the bed of catalyst 8 are in close contact, positive and negative with power supply respectively outside other end cantilever arm pipe 4
Pole connection；Using the gap between the tube wall and electrode 5 of high-temperature plastic (main to play fixed and sealing function) filling arm pipe 4；For
The temperature of detection 8 bed of catalyst, is mounted with thermocouple sheath, as shown in the top cross-sectional view (Fig. 4) of the device；It is reacting
One and the branch pipe 9 of reaction tube intercommunication are reserved in the middle position of pipe 1, and branch pipe 9 is perpendicular to reaction tube 1, air inlet pipe 12 and escape pipe
13 place planes；With silica gel plug 10 by 11 fixing seal of glass bushing in branch pipe 9；The closure end of casing 11 passes through silica gel plug 10
Go deep into 8 bed of catalyst, another end opening of casing 11 can be reserved and be inserted in thermocouple.
Embodiment 3
The electric drive reaction mechanism provided using embodiment 1, is being separately connected D.C. regulated power supply just for two electrode 5
Cathode is inserted into thermocouple in its casing 11, and connects temperature indicator；It is passed through into reaction tube 1 containing formaldehyde, oxygen and nitrogen
Reaction gas, the volume fraction of formaldehyde and oxygen is respectively 100ppm and 10%, and gas flow is 50 ml/mins；Connection 3
Volt DC voltage maintains 2 hours, powers off 0.5 hour, is repeated cyclically 3 times, record temperature, voltage, electric current and outflow gas
The volume fraction of body carbon dioxide and carbon monoxide；As shown in figure 5, when being initially powered up, there is a great amount of carbon dioxide generation, subsequent two
The content of carbonoxide reduces, and the volume fraction of last carbon dioxide is stablized in 100ppm or so, during which generates without carbon monoxide.Knot
Fruit shows that all burning generates carbon dioxide to the formaldehyde in reaction gas, and formaldehyde removal rate is up to 100%；It is formed when being initially powered up
Carbon dioxide peak should be burning that the formaldehyde that adsorbs when being not powered on occurs；After power-off, gas concentration lwevel is reduced rapidly, i.e.,
Reaction stops；In addition, catalyst 8 rises to 53 DEG C or so because of electrothermal effect temperature during being powered.
Comparative example 1
Using the reaction system of embodiment 3, catalyst is heated to 53 DEG C using non-electrically heated mode, has finally been measured
The carbon dioxide of 50ppm or so generates, and formaldehyde removal rate is 30%, lower than the removal rate using electric drive catalysis reaction.
Embodiment 4
The electric drive reaction mechanism provided using embodiment 1, is being separately connected D.C. regulated power supply just for two electrode 5
Cathode；It is passed through the reaction gas containing toluene, oxygen and nitrogen into reaction tube 1, the volume fraction of toluene and oxygen is respectively
320ppm and 10%, gas flow are 50 ml/mins；It is connected to 4 volt DC voltages；All burning generates dioxy to final toluene
Change carbon, the removal rate of toluene is up to 100%.
Embodiment 5
The electric drive reaction mechanism provided using embodiment 1, is being separately connected D.C. regulated power supply just for two electrode 5
Cathode；The reaction gas containing n-butanol, oxygen and nitrogen, the volume fraction point of carbon monoxide and oxygen are passed through into reaction tube 1
Not Wei 800ppm and 10%, gas flow be 50 ml/mins；3 volt DC voltages are connected to, finally, n-butanol all burns
Generate carbon dioxide, the removal rate of n-butanol is up to 100%.
Embodiment 6
The electric drive reaction mechanism provided using embodiment 1, is being separately connected D.C. regulated power supply just for two electrode 5
Cathode；The reaction gas containing ethyl acetate, oxygen and nitrogen, the volume fraction of ethyl acetate and oxygen are passed through into reaction tube 1
Respectively 500ppm and 10%, gas flow are 50 ml/mins；3 volt DC voltages are connected to, finally, ethyl acetate is whole
Burning generates carbon dioxide, and the removal rate of ethyl acetate is up to 100%.
Embodiment 7
The electric drive reaction mechanism provided using embodiment 1, is being separately connected D.C. regulated power supply just for two electrode 5
Cathode；The reaction gas containing carbon monoxide, oxygen and nitrogen, the volume fraction of carbon monoxide and oxygen are passed through into reaction tube 1
Respectively 600ppm and 10%, gas flow are 50 ml/mins；4 volt DC voltages are connected to, finally, carbon monoxide is whole
Burning generates carbon dioxide, and the removal rate of carbon monoxide is up to 100%.
Embodiment 8
The electric drive reaction mechanism provided using embodiment 2, is being separately connected D.C. regulated power supply just for two electrode 5
Cathode is inserted into thermocouple in its casing 11, and connects temperature indicator；Carbon containing smoke sol, oxygen are passed through into reaction tube 1
The reaction gas of gas, nitrogen oxides and nitrogen, the concentration of soot aerosol are 10 micrograms per litres, the volume of oxygen and nitrogen oxides
Score is respectively 10% and 0.1%, and gas flow is 50 ml/mins；20 volt AC voltages are connected to, finally, soot is whole
Burning generates carbon dioxide, and the removal rate of soot is up to 100%, and during which 8 bed temperature of catalyst reaches 100 DEG C or so.
In addition, inventor also refers to the mode of embodiment 1-8, with the other raw materials and condition listed in this specification
Etc. being tested, result with it is almost the same in embodiment 3-8, and also with electric drive reactor success of the invention
It is reacted applied to all kinds of catalysis.
Electric drive catalyst reaction device provided in an embodiment of the present invention is using the progress of electric field driven catalysis reaction, especially
Suitable for catalytic air pollutant combustion reaction.On the one hand, electric field can drive catalytic inner electronics to flow, and accelerate reactant
Between electron transfer, and then the progress of drive response realizes the direct conversion of electric energy to chemical energy；On the other hand, catalyst
Electrothermal effect can be improved operating temperature, promote reaction to carry out；The reaction unit can directly utilize electric energy, save additional
Heat source can be obviously improved the catalysis efficiency of combustion and efficiency of energy utilization of atmosphere pollution.
It should be appreciated that the technical concepts and features of above-described embodiment only to illustrate the invention, its object is to allow be familiar with this
The personage of item technology cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all
Equivalent change or modification made by Spirit Essence according to the present invention, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of electric drive catalyst reaction device, it is characterised in that hold including the reaction for providing reacting environment for catalysis reaction
Device and electric drive reaction mechanism, the reaction vessel have for importing the import of reactant and for exporting reaction product
Outlet, the electric drive reaction mechanism can form electric field in the reaction vessel at least to drive the catalysis to react.
2. electric drive catalyst reaction device according to claim 1, it is characterised in that: the electric drive reaction mechanism can
Electrically cooperate with the catalyst being distributed in reaction vessel；And/or the conductivity of the catalyst is 10-7~105Siemens/
Rice.
3. electric drive catalyst reaction device according to claim 1 or 2, it is characterised in that: the electric drive reaction mechanism
Including the more than two electrodes that can be electrically connected to a power source, one end of the electrode is arranged in the reaction vessel and can be with
The bed of the catalyst contacts；And/or the electrode and reaction vessel are tightly connected；And/or the electrode includes copper electricity
Pole and/or platinum electrode.
4. electric drive catalyst reaction device according to claim 3, it is characterised in that: the reaction vessel includes reaction
Pipe, the reaction tube are also connected with air inlet pipe and an air outlet pipe, the import are formed in the air inlet pipe, in the outlet
The outlet is formed on pipe, the catalyst is arranged between the junction of air inlet pipe, escape pipe and reaction tube.
5. electric drive catalyst reaction device according to claim 4, it is characterised in that: the air inlet pipe, escape pipe and anti-
It should manage coaxial or arranged in a crossed manner；And/or the air inlet pipe and/or escape pipe and reaction tube vertical connection；And/or the air inlet
Pipe and escape pipe setting are in the same plane；And/or the air inlet pipe and/or escape pipe are wholely set with reaction tube.
6. electric drive catalyst reaction device according to claim 4, it is characterised in that: there are two the reaction tube is also connected with
Above arm pipe, the electrode are sealingly disposed in the arm pipe；And/or described two above arm pipes and reaction tube are coaxial
Or it is arranged in a crossed manner；And/or described two above arm pipes and reaction tube vertical connection；And/or more than two arm pipe settings
In the same plane；And/or the arm pipe is wholely set with reaction tube.
7. electric drive catalyst reaction device according to claim 3, it is characterised in that: also set up in the reaction vessel
There is the temperature monitoring mechanism for monitoring reaction bed temperature；Preferably, the temperature monitoring mechanism is arranged in sleeve,
One end of described sleeve pipe blocks, another end opening, and described sleeve pipe and reaction tube are tightly connected, and the closure end of described sleeve pipe is set
It sets in the bed of the catalyst；Preferably, described sleeve pipe includes glass tube or metal tube；Preferably, the temperature monitoring
Mechanism includes thermoelectricity occasionally thermal resistance；Preferably, the reaction tube is also connected with branch pipe, and described sleeve pipe is sealingly disposed in the branch
In pipe.
8. handling neck as electric drive catalyst reaction device of any of claims 1-7 burns in catalytic air pollutant
The purposes in domain.
9. a kind of method of air pollutants burning processing, characterized by comprising:
1) electric drive catalyst reaction device of any of claims 1-7 is provided；
2) with power supply to the electrode input current of the electric drive catalyst reaction device, so that electric field is formed in reaction vessel,
And reactant is imported by the import of reaction vessel, and contact the reactant in reaction vessel with catalyst and in the electricity
Field driving is lower to occur combustion reaction, later exports reaction product by the outlet of reaction vessel.
10. the method for air pollutants according to claim 9 burning processing, it is characterised in that: the reactant includes
Air pollutants and oxygen and/or nitrogen oxides；And/or the air pollutants include volatile organic matter, an oxidation
Any one in carbon, soot particulate or two or more combinations；And/or the volatile organic matter includes formaldehyde, positive fourth
Alcohol, ethyl acetate, any one or two or more combinations in toluene；And/or the soot particulate includes fossil fuel
And/or by biomass imperfect combustion formed with carbon black particulate matter as main component；And/or the catalyst includes silver
Tin oxide powder carries silver-colored porous ceramics；And/or the power supply is DC power supply or AC power source；And/or the power supply
Voltage is 0~50V, and the electric field strength of formation is 0~9V/mm.
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| CN112546857B (en) * | 2020-11-26 | 2022-05-31 | 中国科学院宁波材料技术与工程研究所 | Application of silver/cobaltosic oxide/glass fiber cloth composite material in air purification |
| CN112984535A (en) * | 2021-02-07 | 2021-06-18 | 中国科学院宁波材料技术与工程研究所 | Electrification method and system for efficiently catalyzing soot combustion |
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