CN105781694A - Method and system for treating nitrogen dioxide in exhaust - Google Patents
Method and system for treating nitrogen dioxide in exhaust Download PDFInfo
- Publication number
- CN105781694A CN105781694A CN201610300223.9A CN201610300223A CN105781694A CN 105781694 A CN105781694 A CN 105781694A CN 201610300223 A CN201610300223 A CN 201610300223A CN 105781694 A CN105781694 A CN 105781694A
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- Prior art keywords
- nitrogen dioxide
- tail gas
- exhaust
- telecommunication
- signal
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N9/00—Electrical control of exhaust gas treating apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to a method and system for treating nitrogen dioxide in exhaust. The method comprises the following steps: monitoring the automobile exhaust in real time in an infrared ray detection mode, and generating corresponding electric signals according to a wavelength range of absorbed infrared rays and absorbed degree; successively filtering and amplifying the electric signals; acquiring types of harmful gases in the amplified electric signals, and marking the various harmful gases according to the types of the harmful gases; judging whether the harmful gases in the exhaust contain nitrogen dioxide or not according to the marks; and generating a catalytic reaction command if the harmful gases in the exhaust contain the nitrogen dioxide, and discharging the exhaust into a photo-catalytic reactor through the catalytic reaction command and treating the nitrogen dioxide. By the method and system for treating the nitrogen dioxide in the exhaust, the nitrogen dioxide in the automobile exhaust can be effectively treated in time, and environmental pollution and personal injury are reduced.
Description
Technical field
The present invention relates to automobile technical field, be specifically related to a kind of method processing nitrogen dioxide in tail gas and a kind of process the system of nitrogen dioxide in tail gas.
Background technology
The discharge of vehicle exhaust is the problem that society shows great attention to, and includes carbon monoxide (CO), nitric oxide (NO) and nitrogen dioxide (NO in the tail gas of motor vehicle emission2) in interior various harmful gass, these gases cause environmental pollution on the one hand, also can the person be damaged on the other hand.
Such as, the nitrogen dioxide in vehicle exhaust is that one has corrosive gas.Will there be slight eye and upper respiratory tract irritation at the suction nitrogen dioxide gas initial stage, such as pharyngeal discomfort, dry cough etc., and uncomfortable in chest, respiratory distress then can occur after incubation period a few hours, cough, cough up frothy sputum, cyanosis etc., severe one possibly even can make people faint.
Therefore, how the nitrogen dioxide in vehicle exhaust is further processed, to reduce nitrogen dioxide in tail gas to the pollution of environment and personal injury, becomes a problem demanding prompt solution.
Summary of the invention
For the deficiencies in the prior art, it is an object of the invention to provide and a kind of process the method and system of nitrogen dioxide in tail gas, it is possible to effectively the nitrogen dioxide in vehicle exhaust is processed in time, reduce vehicle exhaust polluting and the injury of the person environment.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of process the method for nitrogen dioxide in tail gas, comprise the steps:
By the mode of infrared detection, vehicle exhaust carried out monitor in real time, and according to absorbed ultrared wave-length coverage and absorbed degree, generate the corresponding signal of telecommunication；
The described signal of telecommunication is sequentially carried out filtering and processing and amplifying；
Obtain the kind of harmful gas in the signal of telecommunication after described processing and amplifying, and each harmful gas is identified by the kind according to harmful gas；
According to whether the harmful gas that described mark judges in tail gas contains nitrogen dioxide；
If so, then generate catalytic reaction instruction, exhaust emissions to photo catalysis reactor will carry out nitrogen dioxide process by this catalytic reaction instruction.
The present invention also provides for a kind of processing the system of nitrogen dioxide in tail gas, including:
Tail gas measuring module, for vehicle exhaust carrying out monitor in real time by the mode of infrared detection, and according to absorbed ultrared wave-length coverage and absorbed degree, generates the corresponding signal of telecommunication；
Signal processing module, for being sequentially carried out filtering and processing and amplifying to the described signal of telecommunication；
Mark module, for obtaining the kind of harmful gas in the signal of telecommunication after described processing and amplifying, and each harmful gas is identified by the kind according to harmful gas；
Judge module, for whether the harmful gas judged in tail gas according to described mark contains nitrogen dioxide；
Nitrogen dioxide processing module, for when the judged result of described judge module is for being, generating catalytic reaction instruction, will carry out nitrogen dioxide process by this catalytic reaction instruction in exhaust emissions to photo catalysis reactor.
Compared with prior art, the a kind of of the present invention processes the method and system of nitrogen dioxide in tail gas, by the mode of infrared detection, the kind of harmful gas contained in vehicle exhaust is detected, and various harmful gass are identified, according to mark, nitrogen dioxide is particularly processed by harmful gas, achieve and the nitrogen dioxide in vehicle exhaust is processed in time, can effectively improve the efficiency of vent gas treatment, it is to avoid vehicle exhaust damages to environment with to the person.
Accompanying drawing explanation
Fig. 1 a kind of in embodiments of the invention processes the schematic flow sheet of the method for nitrogen dioxide in tail gas；
Fig. 2 a kind of in embodiments of the invention processes the schematic diagram of the system of nitrogen dioxide in tail gas.
Detailed description of the invention
Below, in conjunction with accompanying drawing and detailed description of the invention, the present invention is described further:
Vehicle exhaust is after depurator, and the harmful gas comprised in it will be normally at standard state, but breaks down or in the out of order situation of depurator at electromotor, it is possible to there will be the tail gas exceeded standard, the present invention is primarily directed to the after-treatment of tail gas.As it is shown in figure 1, a kind of described in the present embodiment processes the method for nitrogen dioxide in tail gas, comprise the steps:
Step S101, carries out monitor in real time by the mode of infrared detection, and according to absorbed ultrared wave-length coverage and absorbed degree, generates the corresponding signal of telecommunication vehicle exhaust.
Step S102, is sequentially carried out filtering and processing and amplifying to the described signal of telecommunication.Specifically respectively through filter circuit and amplifying circuit, the signal of telecommunication can be filtered and processing and amplifying.
Step S103, obtains the kind of harmful gas in the signal of telecommunication after described processing and amplifying, and each harmful gas is identified by the kind according to harmful gas, in order to different harmful gass is made a distinction.
Owing to vehicle exhaust having generally comprised the various harmful gass such as nitric oxide, Hydrocarbon, oxygen sulfur compound, oxynitride.And every kind of gas has specific characteristic absorption band and characteristic frequency in these gases, can by strong absorption when infrared spectrum drops near characteristic frequency band time.So the composition of harmful gas in tail gas can be detected by the infrared spectrum of individual features frequency.
Step S104, according to whether the harmful gas that described mark judges in tail gas contains nitrogen dioxide.If containing nitrogen dioxide in tail gas, then step S105 can be performed.
Step S105, if the judged result of step S104 is yes, even judge that the harmful gas drawn in each tail gas contains nitrogen dioxide according to described mark, then generate catalytic reaction instruction, exhaust emissions to photo catalysis reactor will carry out nitrogen dioxide process by this catalytic reaction instruction.
Concrete, can by tail gas by there is optically catalytic TiO 2 conversion zone and utilizing uviol lamp transmitting ultraviolet mode nitrogen dioxide is absorbed and processes in the present embodiment, owing to the present embodiment is the after-treatment for vehicle exhaust, the content of the harmful substance in usual vehicle exhaust is typically not too high, so by thoroughly nitrogen dioxide being absorbed and process after light-catalyzed reaction.
In one embodiment, if in step S104, judge that the harmful gas in each tail gas is except nitrogen dioxide according to described mark, possibly together with carbon monoxide, then can generate absorption instruction, and after having processed nitrogen dioxide, exhaust emissions to the container have absorbents of carbon monoxide will carry out carbon monoxide process by this absorption instruction.
As a good embodiment, this absorbents of carbon monoxide can for a kind of compositions being made up of the two-element match of the nitride being loaded with on porous inorganic carrier and its and copper chloride, and in described compositions, nitride can account for 0.5-0.9 mol ratio.Additionally, described inorganic carrier can be: porous ceramics, activated carbon or titanium oxide etc..This nitride can be: pyridine andCompositions etc..This absorbents of carbon monoxide can effectively absorb the oxidation in tail gas.
As a good embodiment, the embodiment of the present invention can adopt the mode of Fourier transformation be filtered the described signal of telecommunication processing, remove low-frequency electrical signal, such that it is able to effectively improve the accuracy of electrical signal detection.
It addition, as a good embodiment, described the process carrying out nitrogen dioxide process in exhaust emissions to photo catalysis reactor is included:
Obtain the infrared light intensity that infrared ray is obtained after tail gas, and according to the concentration of nitrogen dioxide in described infrared light Strength co-mputation tail gas；
Current Temperatures in the real-time rotating speed obtaining automobile engine and described photo catalysis reactor；Concrete, it is possible to get described Current Temperatures by placing a temperature sensor in photo catalysis reactor；
Calculate reference velocity according to described rotating speed, Current Temperatures and densitometer, and regulate exhaust emissions to the speed in photo catalysis reactor according to described reference velocity.
In the present embodiment, it is possible to adopt equation below to calculate reference velocity:
In above formula, V is reference velocity；R is the rotating speed of automobile engine, and C is the concentration of nitrogen dioxide, and T is the Current Temperatures in photo catalysis reactor, and a is constant coefficient, between 0.15-0.39.By control exhaust emissions in photo catalysis reactor speed so that nitrogen dioxide can be absorbed more completely in photo catalysis reactor, such that it is able to be effectively improved the efficiency that nitrogen dioxide processes.Especially, proving through substantial amounts of experimental data, when the value of a is taken as 0.25, the efficiency that nitrogen dioxide processes is up to the best.
As preferred embodiment, after carrying out nitrogen dioxide process, it is also possible to comprise the steps:
Processed vehicle exhaust is collected, and carries out being forced into the carbon dioxide in tail gas and nitrogen are easily separated；
Nitrogen discharge after separating is gone out, and stores the carbon dioxide separated.
In the present embodiment, the density ratio carbon dioxide due to nitrogen is little, and to float on carbon dioxide supreme for nitrogen after be forced into certain limit.Have in the container of opening thus by a upper end and carry out pressurized treatments, when the pressure in container is enough by carbon dioxide and nitrogen separation, upper end open is opened nitrogen discharge is gone out, such that it is able to collect carbon dioxide.Although CO2 emission can cause environmental pollution in atmosphere, but it may be used for industrial and agricultural production, so effectively carbon dioxide can be carried out Appropriate application, it is to avoid contaminated environment.
With reference to Fig. 2, corresponding with the method for nitrogen dioxide in above-mentioned process tail gas, the present invention also provides for a kind of processing the system of nitrogen dioxide in tail gas, including:
Tail gas measuring module 101, for vehicle exhaust carrying out monitor in real time by the mode of infrared detection, and according to absorbed ultrared wave-length coverage and absorbed degree, generates the corresponding signal of telecommunication；
Signal processing module 102, for being sequentially carried out filtering and processing and amplifying to the described signal of telecommunication；
Mark module 103, for obtaining the kind of harmful gas in the signal of telecommunication after described processing and amplifying, and each harmful gas is identified by the kind according to harmful gas；
Judge module 104, for whether the harmful gas judged in tail gas according to described mark contains nitrogen dioxide；
Nitrogen dioxide processing module 105, for when the judged result of described judge module 104 is for being, generating catalytic reaction instruction, will carry out nitrogen dioxide process by this catalytic reaction instruction in exhaust emissions to photo catalysis reactor.
As a good embodiment, the present invention a kind of processes the system of nitrogen dioxide in tail gas and can also include:
Carbon monoxide processing module, if during for judging the harmful gas in each tail gas possibly together with carbon monoxide according to described mark, then generate and absorb instruction, and after having processed nitrogen dioxide, exhaust emissions to the container have absorbents of carbon monoxide will carry out carbon monoxide process by this absorption instruction.
Preferably, described nitrogen dioxide processing module 105 may include that
Concentration calculation module, for infrared light intensity obtained after obtaining infrared ray traverse tail gas, and according to the concentration of nitrogen dioxide in described infrared light Strength co-mputation tail gas；
Parameter acquisition module, for the Current Temperatures in the real-time rotating speed obtaining automobile engine and described photo catalysis reactor；
Speed adjustment module, for calculating reference velocity according to described rotating speed, Current Temperatures and densitometer, and regulates exhaust emissions to the speed in photo catalysis reactor according to described reference velocity.By control exhaust emissions in photo catalysis reactor speed so that nitrogen dioxide can be absorbed more completely in photo catalysis reactor, such that it is able to be effectively improved the efficiency that nitrogen dioxide processes
Above-mentioned a kind of processing other technical characteristic of the system of nitrogen dioxide in tail gas a kind of with the present invention to process the method for nitrogen dioxide in tail gas identical, it will not go into details herein.
Be can be seen that by above scheme, the a kind of of the embodiment of the present invention processes the method and system of nitrogen dioxide in tail gas, by the mode of infrared detection, the kind of harmful gas contained in vehicle exhaust is detected, and various harmful gass are identified, according to mark, nitrogen dioxide is particularly processed by harmful gas, achieve and the nitrogen dioxide in vehicle exhaust is processed in time, can effectively improve the efficiency of vent gas treatment, it is to avoid vehicle exhaust damages to environment with to the person.
It will be apparent to those skilled in the art that can technical scheme as described above and design, make other various corresponding changes and deformation, and all these change and deformation all should belong within the protection domain of the claims in the present invention.
Claims (10)
1. one kind processes the method for nitrogen dioxide in tail gas, it is characterised in that comprise the steps:
By the mode of infrared detection, vehicle exhaust carried out monitor in real time, and according to absorbed ultrared wave-length coverage and absorbed degree, generate the corresponding signal of telecommunication；
The described signal of telecommunication is sequentially carried out filtering and processing and amplifying；
Obtain the kind of harmful gas in the signal of telecommunication after described processing and amplifying, and each harmful gas is identified by the kind according to harmful gas；
According to whether the harmful gas that described mark judges in tail gas contains nitrogen dioxide；
If so, then generate catalytic reaction instruction, exhaust emissions to photo catalysis reactor will carry out nitrogen dioxide process by this catalytic reaction instruction.
2. the method for nitrogen dioxide in process tail gas according to claim 1, it is characterised in that described in carry out the process of nitrogen dioxide process and include:
By tail gas by there is optically catalytic TiO 2 conversion zone and utilizing uviol lamp transmitting ultraviolet mode nitrogen dioxide is absorbed and processes.
3. the method for nitrogen dioxide in process tail gas according to claim 1, it is characterized in that, if judging that the harmful gas in each tail gas is possibly together with carbon monoxide according to described mark, then generate and absorb instruction, and after having processed nitrogen dioxide, exhaust emissions to the container have absorbents of carbon monoxide will carry out carbon monoxide process by this absorption instruction.
4. the method for nitrogen dioxide in process tail gas according to claim 3, it is characterized in that, described absorbents of carbon monoxide is the compositions being made up of the two-element match of the nitride being loaded with on porous inorganic carrier and its and copper chloride, and in said composition, nitride accounts for 0.5-0.9 mol ratio；Described inorganic carrier includes: porous ceramics, activated carbon or titanium oxide；Described nitride be pyridine andCompositions.
5. the method for nitrogen dioxide in process tail gas according to claim 1, it is characterised in that the process being filtered the described signal of telecommunication processing includes:
The described signal of telecommunication is filtered processing by the mode adopting Fourier transformation, removes low-frequency electrical signal.
6. according to claim 1-5 any one, process the method for nitrogen dioxide in tail gas, it is characterised in that described the process carrying out nitrogen dioxide process in exhaust emissions to photo catalysis reactor included:
Obtain the infrared light intensity that infrared ray is obtained after tail gas, and according to the concentration of nitrogen dioxide in described infrared light Strength co-mputation tail gas；
Current Temperatures in the real-time rotating speed obtaining automobile engine and described photo catalysis reactor；
Calculate reference velocity according to described rotating speed, Current Temperatures and densitometer, and regulate exhaust emissions to the speed in photo catalysis reactor according to described reference velocity.
7. the method for nitrogen dioxide in process tail gas according to claim 1, it is characterised in that after carrying out nitrogen dioxide process, also include:
Processed vehicle exhaust is collected, and carries out being forced into the carbon dioxide in tail gas and nitrogen are easily separated；
Nitrogen discharge after separating is gone out, and stores the carbon dioxide separated.
8. one kind processes the system of nitrogen dioxide in tail gas, it is characterised in that including:
Tail gas measuring module, for vehicle exhaust carrying out monitor in real time by the mode of infrared detection, and according to absorbed ultrared wave-length coverage and absorbed degree, generates the corresponding signal of telecommunication；
Signal processing module, for being sequentially carried out filtering and processing and amplifying to the described signal of telecommunication；
Mark module, for obtaining the kind of harmful gas in the signal of telecommunication after described processing and amplifying, and each harmful gas is identified by the kind according to harmful gas；
Judge module, for whether the harmful gas judged in tail gas according to described mark contains nitrogen dioxide；
Nitrogen dioxide processing module, for when the judged result of described judge module is for being, generating catalytic reaction instruction, will carry out nitrogen dioxide process by this catalytic reaction instruction in exhaust emissions to photo catalysis reactor.
9. the system of nitrogen dioxide in process tail gas according to claim 8, it is characterised in that also include:
Carbon monoxide processing module, if during for judging the harmful gas in each tail gas possibly together with carbon monoxide according to described mark, then generate and absorb instruction, and after having processed nitrogen dioxide, exhaust emissions to the container have absorbents of carbon monoxide will carry out carbon monoxide process by this absorption instruction.
10. the system of nitrogen dioxide in process tail gas according to claim 8 or claim 9, it is characterised in that described nitrogen dioxide processing module includes:
Concentration calculation module, for infrared light intensity obtained after obtaining infrared ray traverse tail gas, and according to the concentration of nitrogen dioxide in described infrared light Strength co-mputation tail gas；
Parameter acquisition module, for the Current Temperatures in the real-time rotating speed obtaining automobile engine and described photo catalysis reactor；
Speed adjustment module, for calculating reference velocity according to described rotating speed, Current Temperatures and densitometer, and regulates exhaust emissions to the speed in photo catalysis reactor according to described reference velocity.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610300223.9A CN105781694A (en) | 2016-05-09 | 2016-05-09 | Method and system for treating nitrogen dioxide in exhaust |
| PCT/CN2017/074899 WO2017193668A1 (en) | 2016-05-09 | 2017-02-26 | Method and system for treating nitrogen dioxide in exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610300223.9A CN105781694A (en) | 2016-05-09 | 2016-05-09 | Method and system for treating nitrogen dioxide in exhaust |
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| Publication Number | Publication Date |
|---|---|
| CN105781694A true CN105781694A (en) | 2016-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610300223.9A Withdrawn CN105781694A (en) | 2016-05-09 | 2016-05-09 | Method and system for treating nitrogen dioxide in exhaust |
Country Status (2)
| Country | Link |
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| CN (1) | CN105781694A (en) |
| WO (1) | WO2017193668A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017193668A1 (en) * | 2016-05-09 | 2017-11-16 | 崔翠翠 | Method and system for treating nitrogen dioxide in exhaust gas |
| CN109026283A (en) * | 2018-07-19 | 2018-12-18 | 江苏安纳泰环保科技有限公司 | A kind of emission-control equipment based on titanium oxide photochemical catalyst |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5922640A (en) * | 1996-02-29 | 1999-07-13 | Mitsubishi Gas Chemical Company, Inc. | Adsorbent for carbon monoxide |
| JP2002048711A (en) * | 2000-08-03 | 2002-02-15 | Mitsubishi Heavy Ind Ltd | Laser measuring device |
| JP4227991B2 (en) * | 2005-12-28 | 2009-02-18 | トヨタ自動車株式会社 | Exhaust gas analyzer and exhaust gas analysis method |
| CN102434253B (en) * | 2011-09-29 | 2014-04-16 | 华北电力大学 | Tertiary treatment device of automobile exhaust and separation method thereof |
| CN202823135U (en) * | 2012-10-25 | 2013-03-27 | 无锡天惠塑机有限公司 | High-efficiency waste gas purification and recovery control system |
| CN105822391A (en) * | 2016-05-09 | 2016-08-03 | 饶川辉 | Treatment method and system of nitrogen dioxide in automobile exhaust |
| CN105781694A (en) * | 2016-05-09 | 2016-07-20 | 饶川辉 | Method and system for treating nitrogen dioxide in exhaust |
| CN105840285A (en) * | 2016-05-09 | 2016-08-10 | 饶川辉 | Method and system for treating nitrogen dioxide in automobile tail gas |
-
2016
- 2016-05-09 CN CN201610300223.9A patent/CN105781694A/en not_active Withdrawn
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2017
- 2017-02-26 WO PCT/CN2017/074899 patent/WO2017193668A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017193668A1 (en) * | 2016-05-09 | 2017-11-16 | 崔翠翠 | Method and system for treating nitrogen dioxide in exhaust gas |
| CN109026283A (en) * | 2018-07-19 | 2018-12-18 | 江苏安纳泰环保科技有限公司 | A kind of emission-control equipment based on titanium oxide photochemical catalyst |
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| Publication number | Publication date |
|---|---|
| WO2017193668A1 (en) | 2017-11-16 |
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