WO2013014467A1 - Zoned catalytic filters for treatment of exhaust gas - Google Patents

Zoned catalytic filters for treatment of exhaust gas Download PDF

Info

Publication number
WO2013014467A1
WO2013014467A1 PCT/GB2012/051818 GB2012051818W WO2013014467A1 WO 2013014467 A1 WO2013014467 A1 WO 2013014467A1 GB 2012051818 W GB2012051818 W GB 2012051818W WO 2013014467 A1 WO2013014467 A1 WO 2013014467A1
Authority
WO
WIPO (PCT)
Prior art keywords
zone
concentration
catalyst
molecular sieve
disposed
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/GB2012/051818
Other languages
English (en)
French (fr)
Inventor
Guy Richard Chandler
Keith Anthony Flanagan
Paul Richard Phillips
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson Matthey PLC
Original Assignee
Johnson Matthey PLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=46543103&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2013014467(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Johnson Matthey PLC filed Critical Johnson Matthey PLC
Priority to JP2014522159A priority Critical patent/JP6127046B2/ja
Priority to KR1020147005088A priority patent/KR101992504B1/ko
Priority to BR112014002129-5A priority patent/BR112014002129B1/pt
Priority to EP12753195.2A priority patent/EP2736628B1/en
Priority to CN201280044040.5A priority patent/CN103781532B/zh
Priority to RU2014107749A priority patent/RU2609476C2/ru
Publication of WO2013014467A1 publication Critical patent/WO2013014467A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9463—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick
    • B01D53/9472—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick in different zones
    • 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
    • B01J29/005—Mixtures of molecular sieves comprising at least one molecular sieve which is not an aluminosilicate zeolite, e.g. from groups B01J29/03 - B01J29/049 or B01J29/82 - B01J29/89
    • 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
    • B01J29/064—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
    • B01J29/072—Iron group metals or copper
    • 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
    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • B01J29/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
    • B01J29/46—Iron group metals or copper
    • 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
    • B01J29/723—CHA-type, e.g. Chabazite, LZ-218
    • 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
    • B01J29/76—Iron group metals or copper
    • 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
    • B01J29/82—Phosphates
    • B01J29/84—Aluminophosphates containing other elements, e.g. metals, boron
    • B01J29/85—Silicoaluminophosphates [SAPO compounds]
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/19—Catalysts containing parts with different compositions
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0244—Coatings comprising several layers
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0246—Coatings comprising a zeolite
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/30—Ion-exchange
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors
    • 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]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/903—Multi-zoned catalysts
    • B01D2255/9032—Two zones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/903—Multi-zoned catalysts
    • B01D2255/9035—Three zones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/903—Multi-zoned catalysts
    • B01D2255/9037—More than three zones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
    • B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
    • 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
    • B01J2029/062—Mixtures of different aluminosilicates
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0248—Coatings comprising impregnated particles
    • 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
    • F01N2510/00—Surface coverings
    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
    • F01N2510/063—Surface coverings for exhaust purification, e.g. catalytic reaction zeolites
    • 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
    • F01N2510/00—Surface coverings
    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
    • F01N2510/068—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings
    • F01N2510/0682—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having a discontinuous, uneven or partially overlapping coating of catalytic material, e.g. higher amount of material upstream than downstream or vice versa
    • 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
    • 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

Definitions

  • an SCR catalyst to a wall-flow filter substrate instead of a flow-through substrate serves to reduce the overall size of an exhaust treatment system by allowing one substrate to serve two functions, namely catalytic conversion of NO x by the SCR catalyst and removal of soot by the filter.
  • said second SCR catalyst is disposed in a second zone; wherein said first zone and second zone are disposed within a portion of said wall flow monolith and in series along said axis, and wherein said first zone is disposed proximal to said inlet face, and said second zone is disposed proximal to said outlet face.
  • Figure 5 is a graph comparing backpressure data for a wall-flow filter unit having zoned catalyst according to an embodiment of the invention and a homogeneously distributed catalyst on a wall-flow filter;
  • Exhaust gas untreated by the catalytic filter 26 flows into the substrate channels where it contacts the upstream side 18 of a substrate wall 15.
  • a pressure differential exists between the inlet and outlet faces of the substrate (higher pressure at the inlet face relative to the outlet face), and thus a pressure differential also exists between the upstream side 18 and downstream side 19 of the substrate wall 15.
  • This pressure differential along with the gas permeable nature of the walls, allows the exhaust gas 26 that flows into a channel which is open to the inlet face, to pass from the upstream side 18 of a porous wall 15 to the downstream side 19 of that wall, and then into an adjacent channel which is open to the outlet face of the substrate.
  • the exhaust gas passes through the wall in a direction that is orthogonal to axis 17, i.e., the overall direction of gas flow 28 through the substrate 10.
  • Exhaust gas passing through the porous substrate walls also contacts the SCR catalyst embodied in the walls, thus eliminating a major portion of the NO x components from the exhaust gas. It has been unexpectedly found that the zoning of SCR catalyst on a wall flow filter substrate of the present invention provides improved back pressure performance with the same or better catalytic performance, particularly NO x reduction performance, relative to the same amount of a similar SCR catalyst that is disposed more uniformly throughout the filter wall. The improved performance of this zoned filter is also surprising because the catalytic performance is not dependant upon the direction of gas flow through the filter (i.e., the direction of gas flow in contact with the catalytic compositions of the invention), but instead is dependent upon the overall flow of exhaust gas through the substrate.
  • a particularly preferred material is cordierite and silicon carbide.
  • the molecular sieve concentration is preferably about 0.5 to about 2.5 g/in 3 , and the exchanged metal concentration is about 10 to about 120 g/ft 3 , but in the second zone, the exchanged metal concentration is at least 20% less than that of the first zone, while the molecular sieve concentration is about the same.
  • a method for the reduction of NO x compounds or oxidation of NH 3 in a gas which comprises contacting the gas with a catalyst composition described herein for the catalytic reduction of NO x compounds for a time sufficient to reduce the level of NO x compounds in the gas.
  • nitrogen oxides are reduced with the reducing agent at a temperature of at least 100 °C.
  • the nitrogen oxides are reduced with the reducing agent at a temperature from about 150 to 750 °C.
  • the temperature range is from 175 to 650 °C.
  • the temperature range is from 175 to 550 °C.
  • the temperature range is 450 to 750 °C, preferably 450 to 700 °C, even more preferably 450 to 650 °C.
  • metering is controlled in response to the quantity of nitrogen oxides in the exhaust gas determined either directly (using a suitable NO x sensor) or indirectly, such as using pre-correlated look-up tables or maps-stored in the control means-correlating any one or more of the abovementioned inputs indicative of a condition of the engine with predicted NO x content of the exhaust gas.
  • the metering of the nitrogenous reductant can be arranged such that 60% to 200% of theoretical ammonia is present in exhaust gas entering the SCR catalyst calculated at 1 : 1 NH 3 /NO and 4:3 NH 3 /NO 2 .
  • the control means can comprise a pre-programmed processor such as an electronic control unit (ECU).
  • an oxidation catalyst for oxidizing nitrogen monoxide in the exhaust gas to nitrogen dioxide can be located upstream of a point of metering the nitrogenous reductant into the exhaust gas.
  • the oxidation catalyst is adapted to yield a gas stream entering the SCR molecular sieve catalyst having a ratio of NO to N0 2 of from about 4: 1 to about 1 :3 by volume, e.g. at an exhaust gas temperature at oxidation catalyst inlet of 250 to 450 °C.
  • the oxidation catalyst can include at least one platinum group metal (or some combination of these), such as platinum, palladium, or rhodium, coated on a flow-through monolith substrate.
  • the at least one platinum group metal is platinum, palladium or a combination of both platinum and palladium.
  • the platinum group metal can be supported on a high surface area washcoat component such as alumina, a molecular sieve such as an aluminosilicate molecular sieve, silica, non-zeolite silica alumina, ceria, zirconia, titania or a mixed or composite oxide containing both ceria and zirconia.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
PCT/GB2012/051818 2011-07-28 2012-07-27 Zoned catalytic filters for treatment of exhaust gas Ceased WO2013014467A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2014522159A JP6127046B2 (ja) 2011-07-28 2012-07-27 排ガスの処理のためのゾーン触媒フィルター
KR1020147005088A KR101992504B1 (ko) 2011-07-28 2012-07-27 배기 가스 처리용 구역화된 촉매 필터
BR112014002129-5A BR112014002129B1 (pt) 2011-07-28 2012-07-27 artigo de catalisador, e, sistema de tratamento de gás de escape de motor
EP12753195.2A EP2736628B1 (en) 2011-07-28 2012-07-27 Zoned catalytic filters for treatment of exhaust gas
CN201280044040.5A CN103781532B (zh) 2011-07-28 2012-07-27 用于处理废气的区域化催化过滤器
RU2014107749A RU2609476C2 (ru) 2011-07-28 2012-07-27 Зонированные каталитические фильтры для очистки выхлопного газа

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201161512688P 2011-07-28 2011-07-28
US61/512,688 2011-07-28
US13/354,720 US8789356B2 (en) 2011-07-28 2012-01-20 Zoned catalytic filters for treatment of exhaust gas
US13/354,720 2012-01-20

Publications (1)

Publication Number Publication Date
WO2013014467A1 true WO2013014467A1 (en) 2013-01-31

Family

ID=46543103

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2012/051818 Ceased WO2013014467A1 (en) 2011-07-28 2012-07-27 Zoned catalytic filters for treatment of exhaust gas

Country Status (8)

Country Link
US (2) US8789356B2 (enExample)
EP (1) EP2736628B1 (enExample)
JP (1) JP6127046B2 (enExample)
KR (1) KR101992504B1 (enExample)
CN (1) CN103781532B (enExample)
BR (1) BR112014002129B1 (enExample)
RU (1) RU2609476C2 (enExample)
WO (1) WO2013014467A1 (enExample)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015087817A1 (ja) * 2013-12-09 2015-06-18 株式会社キャタラー 排ガス浄化装置
WO2015135983A1 (de) 2014-03-13 2015-09-17 Umicore Ag & Co. Kg Katalysatorsystem für benzinverbrennungsmotoren mit dreiwegekatalysatoren und scr-katalysator
JP2016516565A (ja) * 2013-03-15 2016-06-09 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 排気ガスを処理するための触媒
CN105771633A (zh) * 2016-03-31 2016-07-20 大唐环境产业集团股份有限公司 一种脱硝反应器装置
WO2016138418A1 (en) * 2015-02-27 2016-09-01 Basf Corporation Exhaust gas treatment system
WO2017178576A1 (de) 2016-04-13 2017-10-19 Umicore Ag & Co. Kg Partikelfilter mit scr-aktiver beschichtung
EP2736628B1 (en) 2011-07-28 2018-04-11 Johnson Matthey Public Limited Company Zoned catalytic filters for treatment of exhaust gas
EP3142773B1 (en) 2014-05-16 2019-03-06 Johnson Matthey Public Limited Company Catalytic article for treating exhaust gas
EP3254759B1 (en) 2015-02-17 2019-04-03 Cataler Corporation Exhaust gas purification catalyst
US10626772B2 (en) 2014-07-18 2020-04-21 Cummins Inc. SCR exhaust aftertreatment apparatus, system and methods including multiple washcoat formulations
EP3207989B1 (en) 2014-10-16 2020-09-09 Cataler Corporation Exhaust gas purification catalyst
JP2021000631A (ja) * 2014-07-31 2021-01-07 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 触媒を製造するための方法及び触媒物品

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7998423B2 (en) 2007-02-27 2011-08-16 Basf Corporation SCR on low thermal mass filter substrates
NL2006993C2 (nl) * 2011-05-02 2012-11-05 Daf Trucks Nv Uitlaatgassysteem voor een dieselmotor.
GB2513364B (en) * 2013-04-24 2019-06-19 Johnson Matthey Plc Positive ignition engine and exhaust system comprising catalysed zone-coated filter substrate
GB201207313D0 (en) 2012-04-24 2012-06-13 Johnson Matthey Plc Filter substrate comprising three-way catalyst
EP2908944B1 (en) 2012-10-19 2025-03-19 BASF Mobile Emissions Catalysts LLC 8-ring small pore molecular sieve with promoter to improve low temperature performance
US9718026B2 (en) * 2012-11-28 2017-08-01 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification filter
CN104812462B (zh) * 2012-12-03 2016-10-12 丰田自动车株式会社 排气净化过滤器
DE102013003112B4 (de) 2013-02-25 2017-06-14 Umicore Ag & Co. Kg SCR-Katalysator mit verbessertem NOx-Umsatz
JP6091282B2 (ja) * 2013-03-25 2017-03-08 日本碍子株式会社 触媒コートフィルタ及び触媒コートフィルタ用担体
JP6084500B2 (ja) * 2013-03-27 2017-02-22 日本碍子株式会社 排ガス浄化フィルタ及び排ガス浄化フィルタの製造方法
GB2512648B (en) * 2013-04-05 2018-06-20 Johnson Matthey Plc Filter substrate comprising three-way catalyst
RU2660737C2 (ru) * 2013-05-31 2018-07-09 Джонсон Мэтти Паблик Лимитед Компани Каталитический фильтр для обработки отработавшего газа
RU2629762C2 (ru) * 2013-05-31 2017-09-01 Джонсон Мэтти Паблик Лимитед Компани Каталитический фильтр для обработки отработавшего газа
CN105555403B (zh) * 2013-07-30 2019-01-22 庄信万丰股份有限公司 氨逸出催化剂
EP3038749B1 (en) * 2013-08-30 2022-11-30 Johnson Matthey Public Limited Company Zeolite blend catalysts for treating exhaust gas containing nox
US9228467B2 (en) * 2013-09-10 2016-01-05 GM Global Technology Operations LLC Urea injection controller for a motorized system
EP3081777B2 (en) 2013-12-11 2022-09-28 Cataler Corporation Exhaust gas purification material
JP6402336B2 (ja) * 2013-12-26 2018-10-10 日揮ユニバーサル株式会社 アンモニア分解触媒
FR3017899A1 (fr) * 2014-02-24 2015-08-28 Peugeot Citroen Automobiles Sa Structure de filtration d'un gaz et de reduction des oxydes d'azote
FR3020091A1 (fr) * 2014-04-22 2015-10-23 Peugeot Citroen Automobiles Sa Filtre a particules
GB2546179B (en) * 2014-07-18 2020-08-26 Cummins Emission Solutions Inc Exhaust after-treatment with dual closed-loop reductant dosers
WO2016060050A1 (ja) * 2014-10-16 2016-04-21 株式会社キャタラー 排ガス浄化用触媒
CN107849962B (zh) * 2015-05-19 2020-10-30 巴斯夫公司 用于钝化选择性催化还原的催化烟灰过滤器及其制备方法
WO2016184774A1 (en) * 2015-05-19 2016-11-24 Haldor Topsøe A/S Method, multifunctional filter and system for the removal of particulate matter and noxious compounds from engine exhaust gas
EP3310458A1 (en) * 2015-06-18 2018-04-25 Johnson Matthey Public Limited Company Zoned exhaust system
US9937489B2 (en) * 2015-06-18 2018-04-10 Johnson Matthey Public Limited Company Exhaust system without a DOC having an ASC acting as a DOC in a system with an SCR catalyst before the ASC
GB2542654B (en) * 2015-06-28 2019-12-04 Johnson Matthey Plc Catalytic wall-flow filter having a membrane
BR112018003261B1 (pt) 2015-08-21 2021-08-03 Basf Corporation Catalisador, sistema para tratamento de gás de escape, e, método para tratar gás de escape
US10072548B2 (en) 2015-09-29 2018-09-11 Deere & Company Method for injecting reductant into an exhaust gas of an engine
US10058819B2 (en) 2015-11-06 2018-08-28 Paccar Inc Thermally integrated compact aftertreatment system
US9764287B2 (en) * 2015-11-06 2017-09-19 Paccar Inc Binary catalyst based selective catalytic reduction filter
US9757691B2 (en) 2015-11-06 2017-09-12 Paccar Inc High efficiency and durability selective catalytic reduction catalyst
US10188986B2 (en) 2015-11-06 2019-01-29 Paccar Inc Electrochemical reductant generation while dosing DEF
CN105536518B (zh) * 2015-12-17 2018-02-06 山东大学 一种穿透式可装载催化剂模块
US11179675B2 (en) 2015-12-22 2021-11-23 Shell Oil Company Reactor for reducing nitrogen oxides
DE102017106374A1 (de) * 2016-04-01 2017-10-05 Johnson Matthey Public Limited Company Abgasreinigungsfilter
JP7013378B2 (ja) * 2016-04-13 2022-02-15 ユミコア・アクチエンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト Ｓｃｒ活性コーティングを有する触媒
EP3281699A1 (de) 2016-08-11 2018-02-14 Umicore AG & Co. KG Partikelfilter mit scr-aktiver beschichtung
EP3296009B1 (de) * 2016-09-20 2019-03-27 Umicore AG & Co. KG Partikelfilter mit scr-aktiver beschichtung
GB2557644A (en) * 2016-12-14 2018-06-27 Ford Global Tech Llc Improvements in or relating to flow optimised washcoating
JP6605522B2 (ja) * 2017-03-09 2019-11-13 株式会社キャタラー 排ガス浄化用触媒
DE102018106329A1 (de) * 2017-03-20 2018-09-20 Johnson Matthey Public Limited Company SCRF mit rückwärtigem Auf-Wand-Design
GB2562160B (en) * 2017-03-20 2021-06-23 Johnson Matthey Plc Catalytic wall-flow filter with an ammonia slip catalyst
KR102497884B1 (ko) * 2017-03-23 2023-02-10 우미코레 아게 운트 코 카게 촉매 활성 미립자 필터
BR112019020349B1 (pt) * 2017-03-30 2023-01-10 Johnson Matthey Public Limited Company Artigo catalisador
US10835866B2 (en) 2017-06-02 2020-11-17 Paccar Inc 4-way hybrid binary catalysts, methods and uses thereof
US10675586B2 (en) 2017-06-02 2020-06-09 Paccar Inc Hybrid binary catalysts, methods and uses thereof
WO2019012874A1 (ja) * 2017-07-11 2019-01-17 株式会社キャタラー 排ガス浄化用触媒
CN111148890B (zh) * 2017-08-10 2022-04-26 康宁股份有限公司 微粒过滤器上的scr催化涂层
JP6487982B1 (ja) * 2017-09-28 2019-03-20 株式会社キャタラー 排ガス浄化用触媒
JP7174516B2 (ja) * 2017-10-31 2022-11-17 株式会社キャタラー 排ガス浄化用触媒
WO2019116268A1 (en) * 2017-12-13 2019-06-20 Johnson Matthey Public Limited Company Improved nh3 abatement with greater selectivity to n2
CN111954577A (zh) 2018-04-11 2020-11-17 巴斯夫公司 含有混合沸石的scr催化剂
US10828623B2 (en) * 2018-05-18 2020-11-10 Umicore Ag & Co. Kg Hydrocarbon trap catalyst
US10850264B2 (en) * 2018-05-18 2020-12-01 Umicore Ag & Co. Kg Hydrocarbon trap catalyst
US10906031B2 (en) 2019-04-05 2021-02-02 Paccar Inc Intra-crystalline binary catalysts and uses thereof
US11007514B2 (en) 2019-04-05 2021-05-18 Paccar Inc Ammonia facilitated cation loading of zeolite catalysts
JP7120959B2 (ja) * 2019-04-22 2022-08-17 トヨタ自動車株式会社 構造体
US10934918B1 (en) 2019-10-14 2021-03-02 Paccar Inc Combined urea hydrolysis and selective catalytic reduction for emissions control
JP7718852B2 (ja) * 2021-04-30 2025-08-05 トヨタ自動車株式会社 排ガス浄化装置
EP4140581A1 (en) 2021-08-27 2023-03-01 Johnson Matthey Public Limited Company Method of forming an inorganic oxide coating on a monolith article
EP4378566A1 (en) * 2022-11-29 2024-06-05 Johnson Matthey Public Limited Company Improved catalytic wall-flow filter
KR102530208B1 (ko) * 2022-12-30 2023-05-09 에너젠(주) 플라즈마 모듈 및 이를 포함하는 저전력 발전기용 매연저감장치
EP4400202A1 (en) * 2023-01-16 2024-07-17 Johnson Matthey Public Limited Company Coatings on a monolith article

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1003784A (en) 1960-09-07 1965-09-08 Degussa Basically substituted derivatives of halogeno-4-azaphenthiazines
US4902487A (en) 1988-05-13 1990-02-20 Johnson Matthey, Inc. Treatment of diesel exhaust gases
US5516497A (en) 1989-04-20 1996-05-14 Engelhard Corporation Staged metal-promoted zeolite catalysts and method for catalytic reduction of nitrogen oxides using the same
EP1850068A1 (en) 2006-04-24 2007-10-31 Johnson Matthey Public Limited Company Soot particles generator and collector
EP1859864A1 (en) 2004-12-24 2007-11-28 Cataler Corporation Filter catalyst for exhaust gas purification of a diesel engine and its method of production
US20090137386A1 (en) 2004-08-21 2009-05-28 Umicore Ag & Co. Kg Catalytically coated particle filter and method for producing the same and its use
US20100180580A1 (en) 2008-12-24 2010-07-22 Basf Catalysts Llc Emissions Treatment Systems and Methods With Catalyzed SCR Filter and Downstream SCR Catalyst
US7767176B2 (en) 2004-08-23 2010-08-03 Basf Catalysts Llc Zone coated catalyst to simultaneously reduce NOx and unreacted ammonia
WO2011064666A2 (en) * 2009-11-30 2011-06-03 Johnson Matthey Public Limited Company Catalysts for treating transient nox emissions

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2108140C1 (ru) * 1996-06-24 1998-04-10 Александр Юрьевич Логинов Способ очистки отработавших газов
KR100584795B1 (ko) * 1998-04-28 2006-06-02 엥겔하드 코포레이션 단일체 촉매 및 관련 제조공정
US6125629A (en) * 1998-11-13 2000-10-03 Engelhard Corporation Staged reductant injection for improved NOx reduction
GB9919013D0 (en) * 1999-08-13 1999-10-13 Johnson Matthey Plc Reactor
US7119044B2 (en) 2003-06-11 2006-10-10 Delphi Technologies, Inc. Multiple washcoats on filter substrate
US7229597B2 (en) 2003-08-05 2007-06-12 Basfd Catalysts Llc Catalyzed SCR filter and emission treatment system
DE10335785A1 (de) * 2003-08-05 2005-03-10 Umicore Ag & Co Kg Katalysatoranordnung und Verfahren zur Reinigung des Abgases von mager betriebenen Verbrennungsmotoren
US20050247050A1 (en) * 2004-05-05 2005-11-10 Eaton Corporation Adsorption based ammonia storage and regeneration system
JP5345530B2 (ja) * 2006-07-08 2013-11-20 ユミコア・アクチエンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト 還元剤としてのアンモニアの使用下でリーンバーンエンジンの排ガス中の窒素酸化物を還元するための構造化ｓｃｒ触媒
US8800268B2 (en) * 2006-12-01 2014-08-12 Basf Corporation Zone coated filter, emission treatment systems and methods
US7998423B2 (en) 2007-02-27 2011-08-16 Basf Corporation SCR on low thermal mass filter substrates
US20090173063A1 (en) * 2008-01-07 2009-07-09 Boorse R Samuel Mitigation of Particulates and NOx in Engine Exhaust
US20090196812A1 (en) * 2008-01-31 2009-08-06 Basf Catalysts Llc Catalysts, Systems and Methods Utilizing Non-Zeolitic Metal-Containing Molecular Sieves Having the CHA Crystal Structure
EP2116293B1 (de) * 2008-04-11 2010-03-17 Umicore AG & Co. KG Abgasreinigungssystem zur Behandlung von Motorenabgasen mittels SCR-Katalysator
US8506893B2 (en) * 2008-04-23 2013-08-13 Ford Global Technologies, Llc Selective catalytic reduction catalyst system with expanded temperature window
US20100101221A1 (en) * 2008-10-28 2010-04-29 Caterpillar Inc. CATALYSTS, SYSTEMS, AND METHODS FOR REDUCING NOx IN AN EXHAUST GAS
US20100115930A1 (en) * 2008-11-07 2010-05-13 Gm Global Technology Operations, Inc. Exhaust after treatment system
WO2010077843A2 (en) * 2008-12-29 2010-07-08 Basf Catalysts Llc Oxidation catalyst with low co and hc light-off and systems and methods
US9662611B2 (en) 2009-04-03 2017-05-30 Basf Corporation Emissions treatment system with ammonia-generating and SCR catalysts
EP2687284A1 (en) * 2009-06-08 2014-01-22 Basf Se Cu containing silicoaluminophosphate (Cu-SAPO-34)
US8240194B2 (en) * 2009-07-30 2012-08-14 Ford Global Technologies, Llc Methods and systems for diagnostics of an emission system with more than one SCR region
US8516798B2 (en) * 2009-07-30 2013-08-27 Ford Global Technologies, Llc Methods and systems for control of an emission system with more than one SCR region
FR2954184B1 (fr) 2009-12-22 2014-05-16 Peugeot Citroen Automobiles Sa Monolithe de post-traitement des gaz d'echappement d'un moteur a combustion pour la filtration des particules et la reduction des oxydes d'azotes
US8071038B2 (en) 2010-06-09 2011-12-06 Ford Global Technologies, Llc Progressive catalyst loading for integrated particulate filter and selective catalytic reduction unit
US8789356B2 (en) 2011-07-28 2014-07-29 Johnson Matthey Public Limited Company Zoned catalytic filters for treatment of exhaust gas

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1003784A (en) 1960-09-07 1965-09-08 Degussa Basically substituted derivatives of halogeno-4-azaphenthiazines
US4902487A (en) 1988-05-13 1990-02-20 Johnson Matthey, Inc. Treatment of diesel exhaust gases
US5516497A (en) 1989-04-20 1996-05-14 Engelhard Corporation Staged metal-promoted zeolite catalysts and method for catalytic reduction of nitrogen oxides using the same
US20090137386A1 (en) 2004-08-21 2009-05-28 Umicore Ag & Co. Kg Catalytically coated particle filter and method for producing the same and its use
US7767176B2 (en) 2004-08-23 2010-08-03 Basf Catalysts Llc Zone coated catalyst to simultaneously reduce NOx and unreacted ammonia
EP1859864A1 (en) 2004-12-24 2007-11-28 Cataler Corporation Filter catalyst for exhaust gas purification of a diesel engine and its method of production
EP1850068A1 (en) 2006-04-24 2007-10-31 Johnson Matthey Public Limited Company Soot particles generator and collector
US20100180580A1 (en) 2008-12-24 2010-07-22 Basf Catalysts Llc Emissions Treatment Systems and Methods With Catalyzed SCR Filter and Downstream SCR Catalyst
WO2011064666A2 (en) * 2009-11-30 2011-06-03 Johnson Matthey Public Limited Company Catalysts for treating transient nox emissions

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2736628B1 (en) 2011-07-28 2018-04-11 Johnson Matthey Public Limited Company Zoned catalytic filters for treatment of exhaust gas
JP2016516565A (ja) * 2013-03-15 2016-06-09 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 排気ガスを処理するための触媒
JPWO2015087817A1 (ja) * 2013-12-09 2017-03-16 株式会社キャタラー 排ガス浄化装置
WO2015087817A1 (ja) * 2013-12-09 2015-06-18 株式会社キャタラー 排ガス浄化装置
US9981223B2 (en) 2013-12-09 2018-05-29 Cataler Corporation Exhaust gas purification apparatus
DE102014204682A1 (de) 2014-03-13 2015-10-01 Umicore Ag & Co. Kg Katalysatorsystem zur Reduzierung von Schadgasen aus Benzinverbrennungsmotoren
WO2015135983A1 (de) 2014-03-13 2015-09-17 Umicore Ag & Co. Kg Katalysatorsystem für benzinverbrennungsmotoren mit dreiwegekatalysatoren und scr-katalysator
US10022672B2 (en) 2014-03-13 2018-07-17 Umicore Ag & Co. Kg Catalyst system for gasoline combustion engines, having three-way catalysts and SCR catalyst
EP3142773B1 (en) 2014-05-16 2019-03-06 Johnson Matthey Public Limited Company Catalytic article for treating exhaust gas
US10626772B2 (en) 2014-07-18 2020-04-21 Cummins Inc. SCR exhaust aftertreatment apparatus, system and methods including multiple washcoat formulations
JP2021000631A (ja) * 2014-07-31 2021-01-07 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 触媒を製造するための方法及び触媒物品
EP3207989B1 (en) 2014-10-16 2020-09-09 Cataler Corporation Exhaust gas purification catalyst
EP3254759B1 (en) 2015-02-17 2019-04-03 Cataler Corporation Exhaust gas purification catalyst
CN107532497A (zh) * 2015-02-27 2018-01-02 巴斯夫公司 排气处理系统
RU2701529C2 (ru) * 2015-02-27 2019-09-27 Басф Корпорейшн Система обработки выхлопного газа
WO2016138418A1 (en) * 2015-02-27 2016-09-01 Basf Corporation Exhaust gas treatment system
US11154815B2 (en) 2015-02-27 2021-10-26 Basf Corporation Exhaust gas treatment system
CN105771633A (zh) * 2016-03-31 2016-07-20 大唐环境产业集团股份有限公司 一种脱硝反应器装置
WO2017178576A1 (de) 2016-04-13 2017-10-19 Umicore Ag & Co. Kg Partikelfilter mit scr-aktiver beschichtung

Also Published As

Publication number Publication date
US8789356B2 (en) 2014-07-29
JP2014528350A (ja) 2014-10-27
EP2736628A1 (en) 2014-06-04
CN103781532A (zh) 2014-05-07
RU2609476C2 (ru) 2017-02-02
KR101992504B1 (ko) 2019-09-30
US9242212B2 (en) 2016-01-26
EP2736628B1 (en) 2018-04-11
BR112014002129A2 (pt) 2017-02-21
KR20140064796A (ko) 2014-05-28
US20120186229A1 (en) 2012-07-26
BR112014002129B1 (pt) 2020-12-29
RU2014107749A (ru) 2015-09-10
JP6127046B2 (ja) 2017-05-10
CN103781532B (zh) 2016-08-31
US20140227155A1 (en) 2014-08-14

Similar Documents

Publication Publication Date Title
US9242212B2 (en) Zoned catalytic filters for treatment of exhaust gas
US8906329B2 (en) Zeolite catalyst containing metal
JP6781210B2 (ja) 排気ガスを処理するための触媒化フィルター
US9999876B2 (en) Catalyst blends
EP2785452B1 (en) Catalyst for treating exhaust gas
US10744496B2 (en) Catalyst binders for filter substrates
US11590482B1 (en) Alumina binders for SCR catalysts
RU2775221C2 (ru) Катализатор выхлопного газа и связующие катализатора для носителей фильтров

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12753195

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2014522159

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2012753195

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 20147005088

Country of ref document: KR

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 2014107749

Country of ref document: RU

Kind code of ref document: A

REG Reference to national code

Ref country code: BR

Ref legal event code: B01A

Ref document number: 112014002129

Country of ref document: BR

ENP Entry into the national phase

Ref document number: 112014002129

Country of ref document: BR

Kind code of ref document: A2

Effective date: 20140128