CN207974875U - A kind of exhaust gas from diesel vehicle catalytic purification converter - Google Patents
A kind of exhaust gas from diesel vehicle catalytic purification converter Download PDFInfo
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- CN207974875U CN207974875U CN201721902810.1U CN201721902810U CN207974875U CN 207974875 U CN207974875 U CN 207974875U CN 201721902810 U CN201721902810 U CN 201721902810U CN 207974875 U CN207974875 U CN 207974875U
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- 230000003197 catalytic effect Effects 0.000 title claims abstract description 31
- 238000000746 purification Methods 0.000 title claims abstract description 16
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 53
- 239000002245 particle Substances 0.000 claims abstract description 36
- 238000001914 filtration Methods 0.000 claims abstract description 34
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 34
- 230000003647 oxidation Effects 0.000 claims abstract description 33
- 238000010531 catalytic reduction reaction Methods 0.000 claims abstract description 31
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 27
- 239000003054 catalyst Substances 0.000 claims description 13
- 230000009467 reduction Effects 0.000 claims description 13
- 238000006722 reduction reaction Methods 0.000 claims description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
The utility model is related to a kind of exhaust gas from diesel vehicle catalytic purification converters, it is characterised in that：Air inlet diffusing opening is connect with oxidation catalysis DOC units, then particle filtering DPF units are connected, particle filtering DPF units are located at oxidation catalysis DOC units downstream, selective catalytic reduction SCR unit is coated on outside particle filtering DPF units, and selective catalytic reduction SCR unit internal diameter is identical as particle filtering DPF unit outer diameters；The escaping of ammonia catalysis ASC units are connect with selective catalytic reduction SCR unit, positioned at selective catalytic reduction SCR unit downstream, the escaping of ammonia catalysis ASC units are coated on outside oxidation catalysis DOC units, and it is identical as oxidation catalysis DOC unit outer diameters that the escaping of ammonia is catalyzed ASC units internal diameter.Its structure is more compact, reduces the volume of catalytic converter, convenient for the arrangement on vehicle.
Description
Technical field
The utility model is related to a kind of exhaust gas from diesel vehicle catalytic purification converters, especially have particulate matter（PM）, nitrogen oxygen
Compound（NOx）, it is hydrocarbon（HC）And carbon monoxide（CO）Catalytic purification function.
Background technology
The quantity of diesel vehicle accounts for 20% of motor vehicle or so, but the amount of pollutants of its discharge accounts for vehicle discharge quantity
50% or so, the discharge of especially PM and NOx pollutants is even more serious.In order to improve environmental quality, especially atmospheric environment,
The emission regulation of motor vehicle gradually upgrades, and has been carried out five standard of state at present.The year two thousand twenty, it will implement six discharge standard of state.
PM and NOx is the main reason for causing urban air pollution, and especially haze weather generates, with motor vehicle
It discharges closely related.The discharge of HC and CO is also very harmful to the health of human body.Therefore suitable motor-vehicle tail-gas catalysis is studied
Purification techniques and device are very crucial.
The exhaust contaminant for mainly having tetra- class of HC, CO, NOx, PM in the tail gas of diesel vehicle, as vehicle technology develops,
The different emission control techniques that the different regulation stages occurs, while different emission control systems is increased on vehicle.
Processing HC and CO can use oxidizing catalytic converter（DOC）.In order to which NOx generally use SCR technologies are handled, predominantly
NH3-SCR routes.Ammonia under the action of catalysts selective, in tail gas NOx carry out catalytic purification, generate nitrogen and
Water.Particle size wider range in particulate matter tail gas, but predominantly tiny particles content, such as PM10, PM2.5 etc., wall stream
The filter effect of formula structure is more preferably.
Single emission control technique measure can no longer meet the requirement of emission regulation, therefore selection group six stages in state
The technology path for closing property is more common, and combination technique route is mainly series system, and DOC+DPF+SCR+ASC can make in this way
At catalytic converter, volume is relatively large, therefore, is unfavorable for arrangement of the catalytic converter on vehicle.
Invention content
The purpose of this utility model is to provide a kind of exhaust gas from diesel vehicle catalytic purification converter, it can realize that diesel vehicle is sent out
Particulate matter in motivation tail gas（PM）, nitrogen oxides（NOx）, it is hydrocarbon（HC）And carbon monoxide（CO）Equal major pollutants catalytic purification
Device, structure is more compact, reduces the volume of catalytic converter, convenient for arrangement on vehicle；It can better ensure that
The transformation efficiency of catalyst is improved in the temperature field of catalytic converter；Reduce the exhaust noise of engine.
What the technical solution of the utility model was realized in：A kind of exhaust gas from diesel vehicle catalytic purification converter, by being catalyzed
Converter shell, air inlet diffusing opening, oxidation catalysis DOC units, particle filtering DPF units, selective catalytic reduction SCR unit,
The escaping of ammonia is catalyzed ASC units, outlet noise reduction unit, reducing agent injection unit, supporting clapboard composition；It is characterized in that：Air inlet is expanded
Raw edge is connect with oxidation catalysis DOC units, then connects particle filtering DPF units, and particle filtering DPF units are located at oxidation catalysis
DOC units downstream, selective catalytic reduction SCR unit are coated on outside particle filtering DPF units, selective catalytic reduction SCR
Unit internal diameter is identical as particle filtering DPF unit outer diameters；The escaping of ammonia is catalyzed ASC units and connects with selective catalytic reduction SCR unit
It connecing, is located at selective catalytic reduction SCR unit downstream, the escaping of ammonia catalysis ASC units are coated on outside oxidation catalysis DOC units,
It is identical as oxidation catalysis DOC unit outer diameters that the escaping of ammonia is catalyzed ASC units internal diameter.Supporting clapboard is connect with catalytic converter shell,
Catalyst unit is supported, outlet noise reduction unit is connect with selective catalytic reduction SCR unit, the installation of reducing agent injection unit
On the gas exhaust piping of converter outlet.
The oxidation catalysis DOC units are honeycomb structure, and hole 350 ~ 600CPSI of mesh number is square hole or sine bellows
Hole.
The particle filtering DPF units are honeycomb structure, and hole 200 ~ 300CPSI of mesh number is square hole or sine bellows
Hole, wall-flow type structure.
The selective catalytic reduction SCR unit is honeycomb structure, and hole 400 ~ 600CPSI of mesh number is metal material.
The escaping of ammonia catalysis ASC units are honeycomb structure, hole 400 ~ 600CPSI of mesh number.
The good effect of the utility model is compact-sized, connection and reasonable arrangement, and spatial volume is small.Catalytic converter temperature field temperature
Higher is spent, catalytic efficiency is more preferable, has the effect for reducing noise.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Wherein catalytic converter shell 1, air inlet diffusing opening 2, oxidation catalysis DOC units 3, particle filtering DPF units 4, choosing
Selecting property catalysis reduction SCR unit 5, the escaping of ammonia catalysis ASC units 6, outlet noise reduction unit 7, reducing agent injection unit 8, support every
Plate 9.
Fig. 2 contains the SCR unit of ammoxidation catalyst unit.
The noise-reducing structure of Fig. 3 catalytic converters.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings：As shown in Figs. 1-3, a kind of exhaust gas from diesel vehicle catalysis
Converter is purified, by catalytic converter shell 1, air inlet diffusing opening 2, oxidation catalysis DOC units 3, particle filtering DPF units 4, choosing
Selecting property catalysis reduction SCR unit 5, the escaping of ammonia catalysis ASC units 6, outlet noise reduction unit 7, reducing agent injection unit 8, support every
Plate 9 forms；It is characterized in that：Air inlet diffusing opening 2 is connect with oxidation catalysis DOC units 3, then connects particle filtering DPF units
4, particle filtering DPF units are located at oxidation catalysis DOC units downstream, and selective catalytic reduction SCR unit 5 is coated on particle filtering
Outside DPF units 4, selective catalytic reduction SCR unit internal diameter is identical as particle filtering DPF unit outer diameters；The escaping of ammonia is catalyzed ASC
Unit 6 is connect with selective catalytic reduction SCR unit, is located at selective catalytic reduction SCR unit downstream, and the escaping of ammonia is catalyzed ASC
Unit 6 is coated on outside oxidation catalysis DOC units 3, and the escaping of ammonia is catalyzed 6 internal diameter of ASC units and 3 outer diameter of oxidation catalysis DOC units
It is identical.Supporting clapboard 9 is connect with catalytic converter shell 1, is supported to catalyst unit, outlet noise reduction unit 7 and selectivity
Catalysis reduction SCR unit connection, reducing agent injection unit 8 are mounted on the gas exhaust piping of converter outlet.
The utility model structure is series system, and in order to save space and improve catalyticing purifying effect, tail gas first passes through oxygen
Change catalysis DOC units 3, the particle filtering DPF units 4 in downstream are connect side by side with oxidation catalysis DOC units 3, and diameter is identical.
The tail gas flowed out through particle filtering DPF units 4 is turned back under the effect of the pressure flows into the selective catalytic reduction SCR unit in downstream
5.Selective catalytic reduction SCR unit 5 is circular ring structure, and interior circular diameter, which can encapsulate, is put into particle filtering DPF units 4 and oxidation
It is catalyzed in DOC units 3, no untreated gas leakage.I.e. selective catalytic reduction SCR unit 5 is coated on particle filtering DPF
The length of the outside of unit 4 and oxidation catalysis DOC units 3, cladding needs to set according to selective catalytic reduction SCR unit 5.
The tail gas for flowing out selective catalytic reduction SCR unit 5, the escaping of ammonia into downstream are catalyzed ASC units, will have neither part nor lot in the ammonia of reaction
Gas purifies.The escaping of ammonia is catalyzed ASC units 6 as needed, and no ammonia can be omitted when escaping.Or it is the escaping of ammonia catalysis ASC is mono-
During member 6 is integrated in one unit with selective catalytic reduction SCR unit 5, exactly going out in selective catalytic reduction SCR unit 5
The carrier section coating selective catalytic reduction SCR unit 5 of mouth end selection certain length.
Ceramic monolith oxidation catalysis DOC units 3, coating ceramic liner, metal-packaged shell；Ceramic monolith particle filtering
4 coating ceramic of DPF units pads, metal-packaged shell；It is placed on 3 downstream of oxidation catalysis DOC units, it is mono- with oxidation catalysis DOC
3 distance L0 of member；A diameter of D1 of oxidation catalysis DOC units 3 and 4 carrier of particle filtering DPF units.Oxidation catalysis DOC units 3
Length is L1, and the length of particle filtering DPF units 4 is L2；Metal beehive carrier selective catalytic reduction SCR unit 5 is concentric
Circular ring structure, internal diameter D2, outer diameter D3, length L3.Oxidation catalysis DOC units 3, particle filtering DPF units 4 after encapsulation
Mounted on the internal diameter cavity of selective catalytic reduction SCR unit 5, it is ensured that gas-tight；Metal beehive carrier ASC units 6 are
Donut structure, internal diameter D2, outer diameter D3, length L4；L1+L2=L3+L4.
3 hole mesh number 400CPSI of oxidation catalysis DOC units, noble metal-coating catalyst, platinum, rhodium, palladium ratio 1:1:4；Catalysis
Agent coated weight is 10g/ft3；4 hole mesh number 300CPSI of particle filtering DPF units, noble metal-coating catalyst, platinum, catalyst apply
The amount of covering is 20g/ft3；Cell orifice mesh number 400CPSI coats Cu/ molecular sieve catalysts, coated weight 100g/L.ASC cell orifices
Mesh number 400CPSI, noble metal-coating catalyst, platinum, catalyst coated weight are 5g/ft3.
The tail gas of engine discharge enters catalytic converter through gas exhaust piping, and tail gas first passes around oxidation catalysis DOC units
3, HC and CO are oxidized to water and carbon dioxide, with the generation of oxidation reaction, delivery temperature can be increased further, in order to full
The need of work of sufficient particle filtering DPF units 4, delivery temperature should be able to meet the carbon-smoke combustion filtered in particle filtering DPF units 4
Regenerated demand.Regenerated mode can use initiative regeneration, in order to improve the fuel economy of vehicle, can also use contain
The particle filtering DPF units 4 of oxidative catalyst, to soot passive regeneration.Tail gas after particle filtering DPF units 4, into
Selectable catalysis reduction SCR unit 5, is reduced into harmless water and nitrogen by NOx under the action of NH3 reducing agents, has neither part nor lot in
The reducing agent ammonia of reaction is through the escaping of ammonia catalysis ASC units 6, and according to actual needs, the escaping of ammonia catalysis ASC units 6 can be omitted,
Processing generates water and nitrogen.
Claims (6)
1. a kind of exhaust gas from diesel vehicle catalytic purification converter, mono- by catalytic converter shell, air inlet diffusing opening, oxidation catalysis DOC
Member, particle filtering DPF units, selective catalytic reduction SCR unit, the escaping of ammonia catalysis ASC units, outlet noise reduction unit, reduction
Agent injection unit, supporting clapboard composition；It is characterized in that：Air inlet diffusing opening is connect with oxidation catalysis DOC units, then connection
Grain filtering DPF units, particle filtering DPF units are located at oxidation catalysis DOC units downstream, selective catalytic reduction SCR unit packet
It overlays on outside particle filtering DPF units, selective catalytic reduction SCR unit internal diameter is identical as particle filtering DPF unit outer diameters；Ammonia
Escape catalysis ASC units are connect with selective catalytic reduction SCR unit, are located at selective catalytic reduction SCR unit downstream, ammonia is escaped
Ease catalysis ASC units are coated on outside oxidation catalysis DOC units, and the escaping of ammonia is catalyzed ASC units internal diameter and oxidation catalysis DOC units
Outer diameter is identical.
2. a kind of exhaust gas from diesel vehicle catalytic purification converter according to claim 1, it is characterised in that the support every
Plate is connect with catalytic converter shell, is supported to catalyst unit, outlet noise reduction unit and selective catalytic reduction SCR unit
Connection, reducing agent injection unit are mounted on the gas exhaust piping of converter outlet.
3. a kind of exhaust gas from diesel vehicle catalytic purification converter according to claim 1, it is characterised in that the oxidation is urged
Change DOC units are honeycomb structure, and hole 350 ~ 600CPSI of mesh number is square hole or sine wave pit.
4. a kind of exhaust gas from diesel vehicle catalytic purification converter according to claim 1, it is characterised in that the particle mistake
Filter DPF units are honeycomb structure, and hole 200 ~ 300CPSI of mesh number is square hole or sine wave pit, wall-flow type structure.
5. a kind of exhaust gas from diesel vehicle catalytic purification converter according to claim 1, it is characterised in that the selectivity
Catalysis reduction SCR unit is honeycomb structure, and hole 400 ~ 600CPSI of mesh number is metal material.
6. a kind of exhaust gas from diesel vehicle catalytic purification converter according to claim 1, it is characterised in that the escaping of ammonia
Catalysis ASC units are honeycomb structure, hole 400 ~ 600CPSI of mesh number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721902810.1U CN207974875U (en) | 2017-12-29 | 2017-12-29 | A kind of exhaust gas from diesel vehicle catalytic purification converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721902810.1U CN207974875U (en) | 2017-12-29 | 2017-12-29 | A kind of exhaust gas from diesel vehicle catalytic purification converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207974875U true CN207974875U (en) | 2018-10-16 |
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ID=63768492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721902810.1U Active CN207974875U (en) | 2017-12-29 | 2017-12-29 | A kind of exhaust gas from diesel vehicle catalytic purification converter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798170A (en) * | 2019-03-13 | 2019-05-24 | 吉林工程技术师范学院 | A kind of Fractions of Diesel Engine Exhaust Particulates object processing unit |
| CN113457431A (en) * | 2020-03-31 | 2021-10-01 | 南京理工大学 | Method for treating SCR denitration escaped ammonia in power plant by using chemical chain oxidation ammonia gas |
| CN114073952A (en) * | 2020-08-14 | 2022-02-22 | 南京理工大学 | A high-activity iron-based oxygen carrier suitable for high-efficiency removal of ammonia by chemical chain of flue gas in power plant and preparation method thereof |
| CN116357434A (en) * | 2021-12-27 | 2023-06-30 | 通用汽车环球科技运作有限责任公司 | Exhaust system layout for diesel engines |
-
2017
- 2017-12-29 CN CN201721902810.1U patent/CN207974875U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798170A (en) * | 2019-03-13 | 2019-05-24 | 吉林工程技术师范学院 | A kind of Fractions of Diesel Engine Exhaust Particulates object processing unit |
| CN113457431A (en) * | 2020-03-31 | 2021-10-01 | 南京理工大学 | Method for treating SCR denitration escaped ammonia in power plant by using chemical chain oxidation ammonia gas |
| CN114073952A (en) * | 2020-08-14 | 2022-02-22 | 南京理工大学 | A high-activity iron-based oxygen carrier suitable for high-efficiency removal of ammonia by chemical chain of flue gas in power plant and preparation method thereof |
| CN116357434A (en) * | 2021-12-27 | 2023-06-30 | 通用汽车环球科技运作有限责任公司 | Exhaust system layout for diesel engines |
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