RU2018116564A - ВЫХЛОПНАЯ СИСТЕМА, СОДЕРЖАЩАЯ ПАССИВНЫЙ NOx-АДСОРБЕР - Google Patents
ВЫХЛОПНАЯ СИСТЕМА, СОДЕРЖАЩАЯ ПАССИВНЫЙ NOx-АДСОРБЕР Download PDFInfo
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- RU2018116564A RU2018116564A RU2018116564A RU2018116564A RU2018116564A RU 2018116564 A RU2018116564 A RU 2018116564A RU 2018116564 A RU2018116564 A RU 2018116564A RU 2018116564 A RU2018116564 A RU 2018116564A RU 2018116564 A RU2018116564 A RU 2018116564A
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- exhaust system
- molecular sieve
- catalyst
- depleted
- trap
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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
- 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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
- F01N3/0842—Nitrogen oxides
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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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
- B01J29/74—Noble metals
- B01J29/743—CHA-type, e.g. Chabazite, LZ-218
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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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
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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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
-
- 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
- F01N3/2066—Selective catalytic reduction [SCR]
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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
- F01N3/24—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 constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
- F01N3/2807—Metal other than sintered metal
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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
- F01N2250/00—Combinations of different methods of purification
- F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion
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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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
- Processes For Solid Components From Exhaust (AREA)
Claims (21)
1. Выхлопная система для обработки выхлопного газа, образуемого работающим на бедной смеси двигателем, включающая:
(i) катализатор NOx-абсорбера, содержащий молекулярно-ситовый катализатор, размещенный на подложке, причем молекулярно-ситовый катализатор содержит благородный металл и молекулярное сито, причем молекулярное сито содержит благородный металл;
(ii) устройство для введения углеводородов в выхлопной газ; и
(iii) ловушку обедненного NOx;
причем катализатор NOx-абсорбера находится выше по потоку относительно как от устройства для введения углеводородов в выхлопной газ, так и от ловушки обедненного NOx.
2. Выхлопная система по п.1, в которой благородный металл содержит палладий.
3. Выхлопная система по п.1 или 2, в которой молекулярное сито выбирается из мелкопористого молекулярного сита, среднепористого молекулярного сита и крупнопористого молекулярного сита.
4. Выхлопная система по любому из предшествующих пунктов, в которой молекулярное сито представляет собой мелкопористое молекулярное сито, имеющее каркас типа, выбранного из группы, состоящей из ACO, AEI, AEN, AFN, AFT, AFX, ANA, APC, APD, ATT, CDO, CHA, DDR, DFT, EAB, EDI, EPI, ERI, GIS, GOO, IHW, ITE, ITW, LEV, KFI, MER, MON, NSI, OWE, PAU, PHI, RHO, RTH, SAT, SAV, SIV, THO, TSC, UEI, UFI, VNI, YUG, ZON, и смеси или сростки любых двух или более из них.
5. Выхлопная система по п.4, в которой мелкопористое молекулярное сито имеет тип каркаса, который представляет собой AEI или CHA.
6. Выхлопная система по любому из предшествующих пунктов, в которой молекулярное сито имеет алюмосиликатный каркас, и молярное отношение оксида кремния к оксиду алюминия от 10 до 200.
7. Выхлопная система по любому из предшествующих пунктов, в которой подложка представляет собой проточный монолит или фильтрующий монолит.
8. Выхлопная система по любому из предшествующих пунктов, в которой устройство для введения углеводородов в выхлопной газ выполнено с возможностью регулируемого введения количества углеводорода в выхлопной газ ниже по потоку относительно катализатора NOx-абсорбера.
9. Выхлопная система по любому из предшествующих пунктов, в которой устройство для введения углеводородов в выхлопной газ представляет собой инжектор.
10. Выхлопная система по любому из предшествующих пунктов, в которой ловушка обедненного NOx содержит подложку, причем эта подложка представляет собой проточный монолит или фильтрующий монолит.
11. Выхлопная система по любому из предшествующих пунктов, дополнительно включающая катализатор селективного каталитического восстановления (SCR), причем катализатор селективного каталитического восстановления (SCR) размещен ниже по потоку относительно ловушки обедненного NOx.
12. Выхлопная система по п.11, дополнительно включающая устройство для подачи азотсодержащего восстановителя между ловушкой обедненного NOx и катализатором селективного каталитического восстановления (SCR).
13. Выхлопная система по любому из пп. 1-10, дополнительно содержащая фильтр селективного каталитического восстановления, причем катализатор фильтра селективного каталитического восстановления размещен ниже по потоку относительно ловушки обедненного NOx.
14. Выхлопная система по п.13, дополнительно содержащая устройство для подачи азотсодержащего восстановителя между ловушкой обедненного NOx и катализатором фильтра селективного каталитического восстановления.
15. Транспортное средство, содержащее работающий на бедной смеси двигатель и выхлопную систему по любому из предшествующих пунктов.
16. Способ обработки выхлопного газа из работающего на бедной смеси двигателя, включающий пропускание выхлопного газа, образованного работающим на бедной смеси двигателем, через выхлопную систему по любому из предшествующих пунктов.
17. Способ по п.16, в котором работающий на бедной смеси двигатель работает на дизельном топливе, содержащем ≤50 част./млн. серы.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB1517580.5A GB201517580D0 (en) | 2015-10-06 | 2015-10-06 | Exhaust system comprising a passive nox adsorber |
GB1517580.5 | 2015-10-06 | ||
PCT/GB2016/053090 WO2017060693A1 (en) | 2015-10-06 | 2016-10-05 | EXHAUST SYSTEM COMPRISING A PASSIVE NOx ADSORBER |
Publications (3)
Publication Number | Publication Date |
---|---|
RU2018116564A true RU2018116564A (ru) | 2019-11-07 |
RU2018116564A3 RU2018116564A3 (ru) | 2020-01-21 |
RU2716957C2 RU2716957C2 (ru) | 2020-03-17 |
Family
ID=54606112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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RU2018116564A RU2716957C2 (ru) | 2015-10-06 | 2016-10-05 | ВЫХЛОПНАЯ СИСТЕМА, СОДЕРЖАЩАЯ ПАССИВНЫЙ NOx-АДСОРБЕР |
Country Status (10)
Country | Link |
---|---|
US (1) | US11359530B2 (ru) |
EP (1) | EP3334912B1 (ru) |
JP (1) | JP6775011B2 (ru) |
KR (1) | KR102516488B1 (ru) |
CN (1) | CN108138623B (ru) |
BR (1) | BR112018006131A2 (ru) |
DE (1) | DE102016118810A1 (ru) |
GB (2) | GB201517580D0 (ru) |
RU (1) | RU2716957C2 (ru) |
WO (1) | WO2017060693A1 (ru) |
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JP5938819B2 (ja) * | 2011-10-06 | 2016-06-22 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーJohnson Matthey Public Limited Company | 排気ガス処理用酸化触媒 |
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GB201311615D0 (en) | 2013-06-03 | 2013-08-14 | Johnson Matthey Plc | Method of coating a substrate with a catalyst component |
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US9567888B2 (en) * | 2014-03-27 | 2017-02-14 | Cummins Inc. | Systems and methods to reduce reductant consumption in exhaust aftertreament systems |
GB201405868D0 (en) * | 2014-04-01 | 2014-05-14 | Johnson Matthey Plc | Diesel oxidation catalyst with NOx adsorber activity |
-
2015
- 2015-10-06 GB GBGB1517580.5A patent/GB201517580D0/en not_active Ceased
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2016
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- 2016-10-05 BR BR112018006131A patent/BR112018006131A2/pt active Search and Examination
- 2016-10-05 JP JP2018517311A patent/JP6775011B2/ja active Active
- 2016-10-05 RU RU2018116564A patent/RU2716957C2/ru active
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GB201616890D0 (en) | 2016-11-16 |
US11359530B2 (en) | 2022-06-14 |
WO2017060693A1 (en) | 2017-04-13 |
CN108138623A (zh) | 2018-06-08 |
CN108138623B (zh) | 2023-03-14 |
KR102516488B1 (ko) | 2023-04-03 |
GB2545297A (en) | 2017-06-14 |
GB2545297B (en) | 2019-10-23 |
JP6775011B2 (ja) | 2020-10-28 |
DE102016118810A1 (de) | 2017-04-06 |
GB201517580D0 (en) | 2015-11-18 |
RU2716957C2 (ru) | 2020-03-17 |
KR20180059807A (ko) | 2018-06-05 |
EP3334912B1 (en) | 2019-11-27 |
BR112018006131A2 (pt) | 2018-10-23 |
EP3334912A1 (en) | 2018-06-20 |
US20170096922A1 (en) | 2017-04-06 |
JP2018537267A (ja) | 2018-12-20 |
RU2018116564A3 (ru) | 2020-01-21 |
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