CA2989729A1 - Scr-catalyzed soot filter with integrated lean nox trap catalyst for use in passive selective catalytic reduction - Google Patents

Scr-catalyzed soot filter with integrated lean nox trap catalyst for use in passive selective catalytic reduction Download PDF

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Publication number
CA2989729A1
CA2989729A1 CA2989729A CA2989729A CA2989729A1 CA 2989729 A1 CA2989729 A1 CA 2989729A1 CA 2989729 A CA2989729 A CA 2989729A CA 2989729 A CA2989729 A CA 2989729A CA 2989729 A1 CA2989729 A1 CA 2989729A1
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Canada
Prior art keywords
alumina
substrate
soot filter
ceria
catalyzed soot
Prior art date
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Abandoned
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CA2989729A
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English (en)
French (fr)
Inventor
Gerd Grubert
Torsten Neubauer
Alfred Punke
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BASF SE
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BASF SE
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Publication of CA2989729A1 publication Critical patent/CA2989729A1/en
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
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    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/06—Ceramic, e.g. monoliths
    • 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
    • F01N2370/00—Selection of materials for exhaust purification
    • F01N2370/02—Selection of materials for exhaust purification used in catalytic reactors
    • F01N2370/04—Zeolitic material
    • 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
    • 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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F01N3/2073—Means for generating a reducing substance from the exhaust gases
    • 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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  • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Toxicology (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
CA2989729A 2015-06-16 2016-06-15 Scr-catalyzed soot filter with integrated lean nox trap catalyst for use in passive selective catalytic reduction Abandoned CA2989729A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15172347.5 2015-06-16
EP15172347 2015-06-16
PCT/EP2016/063750 WO2016202855A1 (en) 2015-06-16 2016-06-15 Scr-catalyzed soot filter with integrated lean nox trap catalyst for use in passive selective catalytic reduction

Publications (1)

Publication Number Publication Date
CA2989729A1 true CA2989729A1 (en) 2016-12-22

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CA2989729A Abandoned CA2989729A1 (en) 2015-06-16 2016-06-15 Scr-catalyzed soot filter with integrated lean nox trap catalyst for use in passive selective catalytic reduction

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US (1) US20180185788A1 (enExample)
EP (1) EP3310460B1 (enExample)
JP (1) JP2018526195A (enExample)
KR (1) KR20180017191A (enExample)
CN (1) CN107690353A (enExample)
BR (1) BR112017025847A2 (enExample)
CA (1) CA2989729A1 (enExample)
MX (1) MX2017016527A (enExample)
RU (1) RU2018101292A (enExample)
WO (1) WO2016202855A1 (enExample)

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CN111683733A (zh) * 2018-02-05 2020-09-18 巴斯夫公司 具有改善的过滤性能的四效转化催化剂
CN108979798B (zh) * 2018-03-28 2021-03-23 昆明贵研催化剂有限责任公司 一种汽油车颗粒捕集催化器及其制备方法
CN108636431A (zh) * 2018-04-20 2018-10-12 中自环保科技股份有限公司 一种壁流式lnt催化剂、制备方法和应用
DE102018110804B4 (de) * 2018-05-04 2024-06-27 Umicore Ag & Co. Kg Beschichteter Wandflussfilter
KR20210044797A (ko) * 2018-08-31 2021-04-23 바스프 코포레이션 배기 가스 스트림을 처리하기 위한 사원 전환 촉매
DE102019100099B4 (de) * 2019-01-04 2022-09-08 Umicore Ag & Co. Kg Verfahren zur Herstellung von katalytisch aktiven Wandflussfiltern, katalytisch aktiver Wandflussfilter und dessen Verwendung
US11073067B2 (en) 2019-01-10 2021-07-27 Deere & Company Exhaust gas treatment system and method with reductant injection and close-coupled treatment element
JP7682799B2 (ja) * 2019-03-20 2025-05-26 ビーエーエスエフ モバイル エミッションズ カタリスツ エルエルシー 調整可能なＮＯｘ吸着剤
US11187127B2 (en) 2019-06-28 2021-11-30 Deere & Company Exhaust gas treatment system and method with four-way catalyzed filter element
CN114828987A (zh) * 2019-12-13 2022-07-29 巴斯夫公司 用于低温nox捕获的稀燃nox捕获器和低温nox吸附器
CN111617773B (zh) * 2020-06-04 2023-08-15 中自环保科技股份有限公司 一种高燃油起燃性能的doc催化涂层及其制备方法
EP3936221A1 (en) 2020-07-07 2022-01-12 UMICORE AG & Co. KG Catalysed particulate filter with enhanced passive soot functionality
US11883805B2 (en) * 2021-05-12 2024-01-30 Johnson Matthey Public Limited Company Catalytic composition
JP2024538924A (ja) * 2021-11-02 2024-10-28 ジョンソン、マッセイ、パブリック、リミテッド、カンパニー アンモニア排出制御が改善されたガソリン排気ガス処理のための触媒
GB2621699A (en) * 2022-07-28 2024-02-21 Johnson Matthey Plc Catalytic filter for gasoline engine exhaust treatment
CN115518676B (zh) * 2022-09-13 2023-12-22 东风商用车有限公司 用于稀燃发动机尾气处理的催化剂制品及其应用
EP4378566A1 (en) * 2022-11-29 2024-06-05 Johnson Matthey Public Limited Company Improved catalytic wall-flow filter

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Also Published As

Publication number Publication date
MX2017016527A (es) 2018-05-28
WO2016202855A1 (en) 2016-12-22
BR112017025847A2 (pt) 2018-08-14
RU2018101292A3 (enExample) 2019-11-27
EP3310460A1 (en) 2018-04-25
US20180185788A1 (en) 2018-07-05
JP2018526195A (ja) 2018-09-13
KR20180017191A (ko) 2018-02-20
EP3310460B1 (en) 2021-12-08
RU2018101292A (ru) 2019-07-16
CN107690353A (zh) 2018-02-13

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