RU2015150900A - Зонированный каталитический нейтрализатор для снижения выбросов n2o - Google Patents

Зонированный каталитический нейтрализатор для снижения выбросов n2o Download PDF

Info

Publication number
RU2015150900A
RU2015150900A RU2015150900A RU2015150900A RU2015150900A RU 2015150900 A RU2015150900 A RU 2015150900A RU 2015150900 A RU2015150900 A RU 2015150900A RU 2015150900 A RU2015150900 A RU 2015150900A RU 2015150900 A RU2015150900 A RU 2015150900A
Authority
RU
Russia
Prior art keywords
catalyst
zone
catalytic
exhaust gas
channel
Prior art date
Application number
RU2015150900A
Other languages
English (en)
Other versions
RU2015150900A3 (ru
RU2678582C2 (ru
Inventor
Джованни КАВАТАЙО
Хунвэнь ЦЗЭНЬ
Кэролин Паркс ХАББАРД
Майкл Дэниел ШЕЙН
Original Assignee
ФОРД ГЛОУБАЛ ТЕКНОЛОДЖИЗ, ЭлЭлСи
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ФОРД ГЛОУБАЛ ТЕКНОЛОДЖИЗ, ЭлЭлСи filed Critical ФОРД ГЛОУБАЛ ТЕКНОЛОДЖИЗ, ЭлЭлСи
Publication of RU2015150900A publication Critical patent/RU2015150900A/ru
Publication of RU2015150900A3 publication Critical patent/RU2015150900A3/ru
Application granted granted Critical
Publication of RU2678582C2 publication Critical patent/RU2678582C2/ru

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404Removing only nitrogen compounds
    • B01D53/9409Nitrogen oxides
    • B01D53/9431Processes characterised by a specific device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/19Catalysts containing parts with different compositions
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/24Exhaust 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
    • F01N3/28Construction of catalytic reactors
    • F01N3/2803Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404Removing only nitrogen compounds
    • B01D53/9409Nitrogen oxides
    • B01D53/9413Processes characterised by a specific catalyst
    • B01D53/9427Processes characterised by a specific catalyst for removing nitrous oxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/44Palladium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/46Ruthenium, rhodium, osmium or iridium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56Platinum group metals
    • B01J23/63Platinum group metals with rare earths or actinides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74Iron group metals
    • B01J23/755Nickel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8933Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/894Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/50Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/10Noble metals or compounds thereof
    • B01D2255/102Platinum group metals
    • B01D2255/1023Palladium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/10Noble metals or compounds thereof
    • B01D2255/102Platinum group metals
    • B01D2255/1025Rhodium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20753Nickel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20761Copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/40Mixed oxides
    • B01D2255/407Zr-Ce mixed oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/90Physical characteristics of catalysts
    • B01D2255/903Multi-zoned catalysts
    • B01D2255/9032Two zones
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/90Physical characteristics of catalysts
    • B01D2255/903Multi-zoned catalysts
    • B01D2255/9035Three zones
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/40Nitrogen compounds
    • B01D2257/402Dinitrogen oxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/01Engine exhaust gases
    • B01D2258/012Diesel engines and lean burn gasoline engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00Structure of catalyst support or particle filter
    • F01N2330/02Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/14Nitrogen oxides
    • F01N2570/145Dinitrogen oxide
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00Capture or disposal of greenhouse gases
    • Y02C20/10Capture or disposal of greenhouse gases of nitrous oxide (N2O)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Claims (9)

1. Каталитический нейтрализатор для снижения выбросов N2O в системе выпуска отработавших газов транспортного средства, содержащий носитель, сообщающийся с потоком отработавших газов, причем упомянутый носитель включает в себя вход отработавших газов и выход отработавших газов и имеет по меньшей мере один проход отработавших газов сквозь него, упомянутый носитель содержит первую каталитическую зону и вторую каталитическую зону, расположенную ниже по потоку от упомянутой первой зоны, при этом упомянутая первая каталитическая зона включает в себя МПГ-катализатор, содержащий от примерно 50 до примерно 100 мас.% родия, с остатком, содержащим палладий и/или платину в любом массовом соотношении, а упомянутая вторая зона включает в себя МПГ-катализатор, содержащий от примерно 50 до примерно 100 мас.% палладия, с остатком, содержащим родий и/или платину в любом массовом соотношении.
2. Каталитический нейтрализатор по п. 1, в котором упомянутый носитель содержит оксид церия, оксид циркония, оксид алюминия и их смеси.
3. Каталитический нейтрализатор по п. 1, в котором упомянутый МПГ-катализатор в упомянутой первой каталитической зоне имеет удельное содержание катализатора от примерно 0,5 до примерно 300 г/фут3.
4. Каталитический нейтрализатор по п. 1, в котором упомянутый МПГ-катализатор в упомянутой второй каталитической зоне имеет удельное содержание катализатора от примерно 0,5 до примерно 300 г/фут3.
5. Каталитический нейтрализатор по п. 1, в котором упомянутая вторая каталитическая зона включает в себя никель-медный катализатор.
6. Каталитический нейтрализатор по п. 5, в котором упомянутый никель-медный катализатор имеет удельное содержание катализатора от примерно 0,5 до примерно 2000 г/фут3.
7. Каталитический нейтрализатор по п. 5, в котором упомянутый никель-медный катализатор имеет отношение никеля к меди >1.
8. Каталитический нейтрализатор по п. 1, дополнительно включающий в себя третью каталитическую зону ниже по потоку от упомянутой второй каталитической зоны, включающую в себя катализатор, содержащий никель и медь.
9. Нейтрализатор по п. 8, в котором упомянутая первая каталитическая зона в упомянутом проходе отработавших газов содержит входной канал с первым и вторым концами, причем упомянутый первый конец упомянутого входного канала сообщается с упомянутым входом отработавших газов, упомянутая вторая каталитическая зона содержит выходной канал с первым и вторым концами, причем упомянутый второй конец упомянутого выходного канала сообщается с упомянутым выходом отработавших газов, и упомянутая третья каталитическая зона содержит промежуточный канал с первым и вторым концами, причем упомянутый первый конец упомянутого промежуточного канала сообщается с упомянутым вторым концом упомянутого входного канала, а упомянутый второй конец упомянутого промежуточного канала сообщается с упомянутым первым концом упомянутого выходного канала, при этом упомянутый промежуточный канал ориентирован так, чтобы течение отработавших газов через упомянутый по меньшей мере один проход отработавших газов был обратным относительно направления течения в упомянутых входном и выходном каналах.
RU2015150900A 2014-12-03 2015-11-26 Зонированный каталитический нейтрализатор для снижения выбросов n2o RU2678582C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/558,820 US9764286B2 (en) 2014-12-03 2014-12-03 Zoned catalyst system for reducing N2O emissions
US14/558,820 2014-12-03

Publications (3)

Publication Number Publication Date
RU2015150900A true RU2015150900A (ru) 2017-05-31
RU2015150900A3 RU2015150900A3 (ru) 2018-12-17
RU2678582C2 RU2678582C2 (ru) 2019-01-30

Family

ID=55974390

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2015150900A RU2678582C2 (ru) 2014-12-03 2015-11-26 Зонированный каталитический нейтрализатор для снижения выбросов n2o

Country Status (5)

Country Link
US (1) US9764286B2 (ru)
CN (1) CN105673157A (ru)
BR (1) BR102015030226A2 (ru)
DE (1) DE102015120904B4 (ru)
RU (1) RU2678582C2 (ru)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6372513B2 (ja) * 2016-04-13 2018-08-15 トヨタ自動車株式会社 触媒コンバーター
JP6735912B2 (ja) * 2017-04-28 2020-08-05 ユミコア日本触媒株式会社 排気ガス浄化用触媒およびそれを用いた排気ガス浄化方法
CN111032194A (zh) 2017-09-18 2020-04-17 福特全球技术公司 用于汽车排放控制的催化器
CN116899628A (zh) 2018-02-21 2023-10-20 株式会社 科特拉 排气净化催化剂装置
CN113260776A (zh) * 2018-12-19 2021-08-13 巴斯夫公司 催化制品以及其制造和使用方法
JP2022536541A (ja) * 2019-06-20 2022-08-17 ビーエーエスエフ コーポレーション テールパイプ触媒を含有する自動車用三元触媒系
CN110508133B (zh) * 2019-09-26 2021-11-12 宁夏三元中泰冶金有限公司 工业烟气脱硫脱硝、除尘一体化系统及其工艺方法
US20210213425A1 (en) * 2020-01-13 2021-07-15 Umicore Ag & Co. Kg Three-way-catalyst
US20230313719A1 (en) * 2020-05-22 2023-10-05 Briggs & Stratton, Llc Small air-cooled engine with catalytic converter with ruthenium catalyst
US11224861B2 (en) 2020-06-08 2022-01-18 Umicore Ag & Co. Kg Layered TWC
CN113847123B (zh) * 2020-06-28 2022-11-25 长城汽车股份有限公司 车辆及其尾气后处理系统
CN114607491B (zh) * 2020-12-07 2023-09-08 长城汽车股份有限公司 一种氧化亚氮的后处理装置、车辆后处理系统和车辆
CN115487859B (zh) * 2022-09-30 2024-01-30 东风商用车有限公司 一种n2o催化剂及车辆尾气处理系统

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4172047A (en) 1978-09-18 1979-10-23 Ford Motor Company Catalyst of rhodium on alpha alumina-coated substrate
EP0098702A3 (en) 1982-07-02 1987-08-26 Ti Cox Limited Slide assembly for a vehicle seat
US5057483A (en) * 1990-02-22 1991-10-15 Engelhard Corporation Catalyst composition containing segregated platinum and rhodium components
US6087298A (en) * 1996-05-14 2000-07-11 Engelhard Corporation Exhaust gas treatment system
EP0899002A2 (en) 1997-08-26 1999-03-03 General Motors Corporation Promoted three-way catalyst and process for lean NOx reduction
US20040001781A1 (en) * 2002-06-27 2004-01-01 Engelhard Corporation Multi-zone catalytic converter
US7332135B2 (en) 2002-10-22 2008-02-19 Ford Global Technologies, Llc Catalyst system for the reduction of NOx and NH3 emissions
RU2363527C2 (ru) * 2004-02-11 2009-08-10 Умикоре Аг Унд Ко. Кг Каталитический нейтрализатор для очистки отработавших газов с осевым варьированием концентрации драгоценных металлов и способы изготовления этого каталитического нейтрализатора
US7795172B2 (en) 2004-06-22 2010-09-14 Basf Corporation Layered exhaust treatment catalyst
US7870724B2 (en) 2004-11-09 2011-01-18 Ford Global Technologies, Llc Lean NOx trap with PGM zoned axially
US7718150B2 (en) 2007-04-17 2010-05-18 Ford Global Technologies, Llc Reverse platinum group metal zoned lean NOx trap system and method of use
DE102009010711A1 (de) 2009-02-27 2010-09-30 Umicore Ag & Co. Kg Stickoxid-Speicherkatalysator zum Einsatz im Kraftfahrzeug in motornaher Position
US8637426B2 (en) * 2009-04-08 2014-01-28 Basf Corporation Zoned catalysts for diesel applications
DE102009017347A1 (de) 2009-04-14 2010-10-28 Audi Ag Katalytische Reduktion von Stickstoffdioxid
EP2308596B1 (en) * 2009-10-07 2016-09-21 Ford Global Technologies, LLC Cu/zeolite SCR catalyst for NOx reduction in exhaust gases and manufacture method thereof
US8323599B2 (en) 2010-11-22 2012-12-04 Umicore Ag & Co. Kg Three-way catalyst having an upstream multi-layer catalyst
US8557204B2 (en) 2010-11-22 2013-10-15 Umicore Ag & Co. Kg Three-way catalyst having an upstream single-layer catalyst
US8617496B2 (en) 2011-01-19 2013-12-31 Basf Corporation Three way conversion catalyst with alumina-free rhodium layer
GB2492175B (en) 2011-06-21 2018-06-27 Johnson Matthey Plc Exhaust system for internal combustion engine comprising catalysed filter substrate
JP2014522725A (ja) 2011-08-10 2014-09-08 クリーン ディーゼル テクノロジーズ インコーポレーテッド パラジウム固溶体触媒および製造方法
CN102400745B (zh) * 2011-10-26 2013-10-16 浙江吉利汽车研究院有限公司 一种三元催化器及其催化层的涂覆方法
CN102513165A (zh) * 2011-12-14 2012-06-27 刘碧兰 一种高效尾气净化三元催化剂涂敷方法

Also Published As

Publication number Publication date
RU2015150900A3 (ru) 2018-12-17
BR102015030226A2 (pt) 2016-06-14
US9764286B2 (en) 2017-09-19
DE102015120904B4 (de) 2023-06-29
RU2678582C2 (ru) 2019-01-30
DE102015120904A1 (de) 2016-06-09
CN105673157A (zh) 2016-06-15
US20160158699A1 (en) 2016-06-09

Similar Documents

Publication Publication Date Title
RU2015150900A (ru) Зонированный каталитический нейтрализатор для снижения выбросов n2o
RU2018111984A (ru) Интегрированные каталические системы окисления аммиака и scr
RU2019139697A (ru) Зонированная система выпуска отработавших газов
RU2017108240A (ru) Зонированный катализатор для обработки отработавшего газа
MX2017005291A (es) Sistemas de tratamiento de emisiones con catalizadores twc y catalizadores scr-hct.
RU2015157051A (ru) Трехкомпонентный каталитический нейтрализатор отработавших газов
RU2015124049A (ru) Зонированный катализатор на монолитной подложке
CN112901319B (zh) 紧密联接的单模块后处理系统
BR112015019210A2 (pt) conversor catalítico
RU2010152011A (ru) Устройство для снижения токсичности отработавших газов дизельного двигателя
MX2024007030A (es) Catalizadores de conversion de cuatro vias que contienen rodio monometalico para sistemas de tratamiento de emisiones de motores de gasolina.
RU2018103067A (ru) Каталитический фильтр с проточными стенками, снабженный мембраной
JP2011527403A5 (ru)
RU2015143100A (ru) Каталитические материалы для окисления no
JP2018534126A5 (ru)
JP2017508606A5 (ru)
RU2016133222A (ru) Катализатор окисления дизельного топлива и система выпуска выхлопных газов
EP3623036A3 (en) Zoned diesel oxidation catalyst
RU2015143688A (ru) Зонированный катализатор для области применения дизельного топлива
RU2015120598A (ru) Каталитический сажевый фильтр
RU2017100312A (ru) Катализатор на основе неблагородных металлов
RU2013113950A (ru) КАТАЛИЗАТОР ЛОВУШЕЧНОГО ТИПА ДЛЯ ОЧИСТКИ БЕДНЫХ ПО NOx ВЫХЛОПНЫХ ГАЗОВ И СИСТЕМА ОЧИСТКИ ВЫХЛОПНЫХ ГАЗОВ
RU2018100809A (ru) Система обработки выхлопного газа
RU2018100808A (ru) Система обработки выхлопного газа
GB2556349A (en) Exhaust system for a diesel engine

Legal Events

Date Code Title Description
MM4A The patent is invalid due to non-payment of fees

Effective date: 20201127