CN108744903A - A kind of VOCs gas processing methods of plasma combination potassium permanganate - Google Patents
A kind of VOCs gas processing methods of plasma combination potassium permanganate Download PDFInfo
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- CN108744903A CN108744903A CN201810695640.7A CN201810695640A CN108744903A CN 108744903 A CN108744903 A CN 108744903A CN 201810695640 A CN201810695640 A CN 201810695640A CN 108744903 A CN108744903 A CN 108744903A
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- vocs
- potassium permanganate
- plasma
- processing methods
- gas processing
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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
- B01D53/32—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 by electrical effects other than those provided for in group B01D61/00
-
- 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
-
- 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
- B01D53/90—Injecting reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0258—Other waste gases from painting equipments or paint drying installations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
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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
A kind of VOCs gas processing methods of plasma combination potassium permanganate, fields are the exhaust-gas treatment field in environmental project.Primarily to solving the shortcoming that traditional volatile organic matter (VOCs) processing method easily causes secondary pollution and restricted application, the main points to solve the above problems are this method：VOCs gases are excited with the electric field of 13.3~13.6kV/cm of intensity, VOCs is decomposed into the small organic molecule of oxidizable degradation while forming plasma；Above-mentioned plasma is introduced into oxidation reaction chamber, and head-on sputters and reacts indoor potassium permanganate；Potassium permanganate molecule has extremely strong oxidability under the catalytic action of plasma, and the small organic molecule exhaustive oxidation that can be decomposed VOCs within the time of 15~17min is carbon dioxide and water.
Description
Technical field
The present invention relates to the exhaust-gas treatment field in environmental project, specially a kind of plasma combination potassium permanganate
VOCs gas processing methods.
Background technology
With the development of industry, the discharge capacity of volatile organic matter (VOCs) increases sharply in air, to health and
Natural environment causes great harm.They have been considered as the atmosphere pollution that the second major class after dust has a large capacity and a wide range
Object.Therefore, it has been one of the vital task of home and abroad environment protection worker to the improvement of volatile organic matter (VOCs).
Traditional volatile organic matter (VOCs) processing method has absorption method, catalysis method and combustion method etc., such as：With activated carbon
Grain or fiber can effectively adsorb a part of volatile organic matter；Catalysis method and combustion method, then can be organic by a part of volatility
Object is decomposed into carbon dioxide and water.
But all there is certain defect in these methods, such as：The activated carbon of adsorption saturation can then be changed into another in absorption method
Kind hazardous waste, to cause secondary pollution；It is organic can only then to decompose a certain or several volatility for catalysis method and combustion method
Object, restricted application.
Therefore, it is badly in need of the VOCs Gas-treating processes that a kind of non-secondary pollution of exploitation, the scope of application are wider and are simple and efficient.
Invention content
The purpose of the present invention is to solve the shortcomings of traditional volatile organic matter (VOCs) processing method, provide one
Plant the VOCs Gas-treating processes that non-secondary pollution, the scope of application are wider and are simple and efficient.
Technical scheme is as follows：By volatile organic matter (VOCs) gas collection, and in the form of compressed gas
Release；Above-mentioned VOCs gases are excited with the electric field of 13.3~13.6kV/cm of intensity, decompose VOCs while forming plasma
For the small organic molecule of oxidizable degradation；Above-mentioned plasma is introduced into oxidation reaction chamber, and head-on sputters reative cell intrinsic fog
The liquor potassic permanganate of change；Potassium permanganate molecule has extremely strong oxidability, Neng Gou under the catalytic action of plasma
The small organic molecule exhaustive oxidation for decomposing VOCs in the time of 15~17min is carbon dioxide and water；Finally sprayed through cold water
Drench the gas after cooling be purified.
Wherein：By volatile organic matter (VOCs) gas collection, the form of compressed gas is used in combination to discharge.
Wherein：VOCs gases are excited with the electric field of 13.3~13.6kV/cm of intensity, by VOCs while forming plasma
It is decomposed into the small organic molecule of oxidizable degradation.
Wherein：The required oxygen atom of oxidation reaction is provided in the form of potassium permanganate.
Wherein：The plasma generated need to be used to head on and sputter the atomization liquor potassic permanganate of reative cell.
Wherein：Potassium permanganate molecule has extremely strong oxidability under the catalytic action of plasma, can be by VOCs
The small organic molecule exhaustive oxidation of decomposition is carbon dioxide and water.
Wherein：Potassium permanganate amount needed for reaction is 32~32.5 times of VOCs, and the reaction time is in 15~17min.
The method of the present invention splits VOCs while generating plasma using VOCs gases as the generation gas of plasma
Solution is small organic molecule；Potassium permanganate has extremely strong oxidability under the catalytic action of plasma, can be without selection
Property by VOCs decompose small organic molecule exhaustive oxidation be carbon dioxide and water.Therefore, the method for the present invention has without secondary
Pollution, advantage applied widely.
Specific implementation mode
To facilitate the understanding of the present invention, will be hereafter that embodiment is more complete to present invention work with " certain coating factory VOCs exhaust gas "
Face meticulously describes, but not as a limitation of the invention.
Embodiment 1：By volatile organic matter (VOCs) gas collection of the coating factory, and released in the form of compressed gas
It puts；Above-mentioned VOCs gases are excited with the electric field of intensity 13.3kV/cm, are decomposed into VOCs while forming plasma oxidizable
The small organic molecule of degradation；Above-mentioned plasma is introduced into oxidation reaction chamber, and head-on sputters and reacts indoor potassium permanganate；
Liquor potassic permanganate sprays into reative cell in the form of being atomized, 32.5 times in VOCs total concentrations of the concentration control of potassium permanganate；It is high
Potassium manganate molecule has extremely strong oxidability under the catalytic action of plasma, can be within the time of 17min by VOCs
The small organic molecule exhaustive oxidation of decomposition is carbon dioxide and water；The finally gas after cold water spraying cooling is purified.
Testing result：VOCs=1529.8mg/m before processing3
VOCs=24.4mg/m after processing3
By testing result it is found that the method for the present invention is 98.41% to the coating factory VOCs exhaust gas removal rates.
Embodiment 2：By volatile organic matter (VOCs) gas collection of the coating factory, and released in the form of compressed gas
It puts；Above-mentioned VOCs gases are excited with the electric field of intensity 13.6kV/cm, are decomposed into VOCs while forming plasma oxidizable
The small organic molecule of degradation；Above-mentioned plasma is introduced into oxidation reaction chamber, and head-on sputters and reacts indoor potassium permanganate；
Liquor potassic permanganate sprays into reative cell in the form of being atomized, 32 times in VOCs total concentrations of the concentration control of potassium permanganate；Gao Meng
Sour potassium molecule has extremely strong oxidability under the catalytic action of plasma, can be within the time of 15min by VOCs points
The small organic molecule exhaustive oxidation of solution is carbon dioxide and water；The finally gas after cold water spraying cooling is purified.
Testing result：VOCs=1529.8mg/m before processing3
VOCs=10.7mg/m after processing3
By testing result it is found that the method for the present invention is 99.30% to the coating factory VOCs exhaust gas removal rates.
Claims (7)
1. the present invention provides a kind of VOCs gas processing methods of plasma combination potassium permanganate, feature exists：It will volatilization
Property organic matter (VOCs) gas collection, and in the form of compressed gas discharge；It is excited with the electric field of 13.3~13.6kV/cm of intensity
VOCs is decomposed into the small organic molecule of oxidizable degradation by above-mentioned VOCs gases while forming plasma；It will be above-mentioned etc.
Gas ions introduce oxidation reaction chamber, and head-on sputter the atomization liquor potassic permanganate of reative cell；Potassium permanganate molecule wait from
There is extremely strong oxidability, the small molecule that VOCs can be decomposed within the time of 15~17min under the catalytic action of daughter
Organic matter exhaustive oxidation is carbon dioxide and water；The finally gas after cold water spraying cooling is purified.
2. a kind of VOCs gas processing methods of plasma combination potassium permanganate according to claim 1, feature exist
In：By volatile organic matter (VOCs) gas collection, the form of compressed gas is used in combination to discharge.
3. a kind of VOCs gas processing methods of plasma combination potassium permanganate according to claim 1, feature exist
In：VOCs gases are excited with the electric field of 13.3~13.6kV/cm of intensity, VOCs is decomposed into easy oxygen while forming plasma
Change the small organic molecule of degradation.
4. a kind of VOCs gas processing methods of plasma combination potassium permanganate according to claim 1, feature exist
In：The required oxygen atom of oxidation reaction is provided in the form of potassium permanganate.
5. a kind of VOCs gas processing methods of plasma combination potassium permanganate according to claim 1, feature exist
In：The plasma generated need to be used to head on and sputter the atomization liquor potassic permanganate of reative cell.
6. a kind of VOCs gas processing methods of plasma combination potassium permanganate according to claim 1, feature exist
In：Potassium permanganate molecule has extremely strong oxidability under the catalytic action of plasma, can decompose VOCs small point
Sub- organic matter exhaustive oxidation is carbon dioxide and water.
7. a kind of VOCs gas processing methods of plasma combination potassium permanganate according to claim 1, feature exist
In：Potassium permanganate amount needed for reaction is 32~32.5 times of VOCs, and the reaction time is in 15~17min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810695640.7A CN108744903A (en) | 2018-06-25 | 2018-06-25 | A kind of VOCs gas processing methods of plasma combination potassium permanganate |
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| CN201810695640.7A CN108744903A (en) | 2018-06-25 | 2018-06-25 | A kind of VOCs gas processing methods of plasma combination potassium permanganate |
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| CN108744903A true CN108744903A (en) | 2018-11-06 |
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| CN201810695640.7A Withdrawn CN108744903A (en) | 2018-06-25 | 2018-06-25 | A kind of VOCs gas processing methods of plasma combination potassium permanganate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020176496A1 (en) * | 2019-02-26 | 2020-09-03 | Maat Energy Company | Device and method for improving specific energy requirement of plasma pyrolyzing or reforming systems |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030043404A (en) * | 2001-11-28 | 2003-06-02 | 주식회사 성광엔비텍 | Method for removal of volatile organic compounds and odor using non-thermal plasma and apparatus thereof |
| CN107115790A (en) * | 2017-07-07 | 2017-09-01 | 中山市中开环保设备制造有限公司 | A kind of VOCs emission-control equipments |
| CN107469506A (en) * | 2016-06-07 | 2017-12-15 | 中国石油化工股份有限公司 | The method and device of low temperature plasma pyrolysis oxidization reactor for treatment foul waste gas |
-
2018
- 2018-06-25 CN CN201810695640.7A patent/CN108744903A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030043404A (en) * | 2001-11-28 | 2003-06-02 | 주식회사 성광엔비텍 | Method for removal of volatile organic compounds and odor using non-thermal plasma and apparatus thereof |
| CN107469506A (en) * | 2016-06-07 | 2017-12-15 | 中国石油化工股份有限公司 | The method and device of low temperature plasma pyrolysis oxidization reactor for treatment foul waste gas |
| CN107115790A (en) * | 2017-07-07 | 2017-09-01 | 中山市中开环保设备制造有限公司 | A kind of VOCs emission-control equipments |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020176496A1 (en) * | 2019-02-26 | 2020-09-03 | Maat Energy Company | Device and method for improving specific energy requirement of plasma pyrolyzing or reforming systems |
| US11583814B2 (en) | 2019-02-26 | 2023-02-21 | Maat Energy Company | Device and method for improving specific energy requirement of plasma pyrolyzing or reforming systems |
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Application publication date: 20181106 |