GB2577967B - Platinum group metal and base metal on a molecular sieve for PNA-SCR-ASC close-coupled systems - Google Patents

Platinum group metal and base metal on a molecular sieve for PNA-SCR-ASC close-coupled systems Download PDF

Info

Publication number
GB2577967B
GB2577967B GB1911339.8A GB201911339A GB2577967B GB 2577967 B GB2577967 B GB 2577967B GB 201911339 A GB201911339 A GB 201911339A GB 2577967 B GB2577967 B GB 2577967B
Authority
GB
United Kingdom
Prior art keywords
asc
pna
scr
close
molecular sieve
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.)
Expired - Fee Related
Application number
GB1911339.8A
Other languages
English (en)
Other versions
GB2577967A (en
GB201911339D0 (en
Inventor
Chen Hai-Ying
Liu Dongxia
Lu Jing
Duran Martin Desiree
Rao Rajaram Raj
Kilmartin John
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
Application filed by Johnson Matthey PLC filed Critical Johnson Matthey PLC
Publication of GB201911339D0 publication Critical patent/GB201911339D0/en
Publication of GB2577967A publication Critical patent/GB2577967A/en
Application granted granted Critical
Publication of GB2577967B publication Critical patent/GB2577967B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9431—Processes characterised by a specific device
    • 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
    • B01D53/9436—Ammonia
    • 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
    • B01D53/9468—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 layers
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/16—Alumino-silicates
    • B01J20/18—Synthetic zeolitic molecular sieves
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08—Silica
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/42—Platinum
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/44—Palladium
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the 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
    • B01J29/041—Mesoporous materials having base exchange properties, e.g. Si/Al-MCM-41
    • B01J29/042—Mesoporous materials having base exchange properties, e.g. Si/Al-MCM-41 containing iron group metals, noble metals or copper
    • B01J29/043—Noble metals
    • 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
    • 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
    • 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
    • F01N3/103—Oxidation catalysts for HC and CO only
    • 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
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1023—Palladium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/2073—Manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20738—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20761—Copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/30—Silica
    • 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
    • B01D2255/902—Multilayered catalyst
    • B01D2255/9022—Two layers
    • 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
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/60—Synthesis on support
    • B01J2229/62—Synthesis on support in or on other molecular sieves
    • 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
    • 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
    • F01N2510/0684—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having more than one coating layer, e.g. multi-layered coatings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Toxicology (AREA)
  • Dispersion Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
GB1911339.8A 2017-03-30 2018-03-29 Platinum group metal and base metal on a molecular sieve for PNA-SCR-ASC close-coupled systems Expired - Fee Related GB2577967B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762478794P 2017-03-30 2017-03-30
GB1805137.5A GB2563968B (en) 2017-03-30 2018-03-29 Platinum group metal and base metal on a molecular sieve for PNA-SCR-ASC close-coupled systems

Publications (3)

Publication Number Publication Date
GB201911339D0 GB201911339D0 (en) 2019-09-25
GB2577967A GB2577967A (en) 2020-04-15
GB2577967B true GB2577967B (en) 2021-06-09

Family

ID=62142176

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1911339.8A Expired - Fee Related GB2577967B (en) 2017-03-30 2018-03-29 Platinum group metal and base metal on a molecular sieve for PNA-SCR-ASC close-coupled systems
GB1805137.5A Expired - Fee Related GB2563968B (en) 2017-03-30 2018-03-29 Platinum group metal and base metal on a molecular sieve for PNA-SCR-ASC close-coupled systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1805137.5A Expired - Fee Related GB2563968B (en) 2017-03-30 2018-03-29 Platinum group metal and base metal on a molecular sieve for PNA-SCR-ASC close-coupled systems

Country Status (9)

Country Link
US (1) US10669910B2 (enExample)
EP (1) EP3600626B1 (enExample)
JP (2) JP7170658B2 (enExample)
CN (1) CN110709152B (enExample)
BR (1) BR112019020371A2 (enExample)
DE (1) DE102018107777A1 (enExample)
GB (2) GB2577967B (enExample)
RU (1) RU2762284C2 (enExample)
WO (1) WO2018183604A1 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6693406B2 (ja) * 2016-12-20 2020-05-13 三菱自動車工業株式会社 排気ガス浄化装置
GB2562160B (en) * 2017-03-20 2021-06-23 Johnson Matthey Plc Catalytic wall-flow filter with an ammonia slip catalyst
RU2770069C2 (ru) 2017-03-29 2022-04-14 Джонсон Мэтти Паблик Лимитед Компани Катализатор предотвращения проскока аммиака (asc) с металлом платиновой группы в множестве слоев
GB201705158D0 (en) * 2017-03-30 2017-05-17 Johnson Matthey Plc Catalyst article for use in a emission treatment system
US10926221B2 (en) * 2017-03-30 2021-02-23 Johnson Matthey Public Limited Company Single brick SCR/ASC/PNA/DOC close-coupled catalyst
DE102018107545A1 (de) * 2017-03-30 2018-10-04 Johnson Matthey Public Limited Company Asc/dec mit rückwärtig konzentrierter exothermenerzeugung
JP2020531241A (ja) * 2017-08-31 2020-11-05 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Ｕｍｉｃｏｒｅ ＡＧ ＆ Ｃｏ．ＫＧ 排気ガスを浄化するための受動的窒素酸化物吸着剤としてのパラジウム／白金／ゼオライト系触媒の使用
US11141717B2 (en) 2017-08-31 2021-10-12 Umicore Ag & Co. Kg Palladium/zeolite-based passive nitrogen oxide adsorber catalyst for purifying exhaust gas
BR112020017976A2 (pt) * 2018-03-14 2020-12-22 Johnson Matthey Public Limited Company Artigo catalítico, sistema de exaustão, método para melhorar a conversão de nh3 de um gás de exaustão, e, método para tratamento de gás de exaustão
GB201805312D0 (en) * 2018-03-29 2018-05-16 Johnson Matthey Plc Catalyst article for use in emission treatment system
US11161098B2 (en) * 2018-05-18 2021-11-02 Umicore Ag & Co. Kg Three-way catalyst
JP7120959B2 (ja) * 2019-04-22 2022-08-17 トヨタ自動車株式会社 構造体
EP3963187B1 (en) 2019-04-30 2024-05-29 BASF Corporation Multi-functional catalysts for the oxidation of no, the oxidation of nh3 and the selective catalytic reduction of nox
WO2020241248A1 (ja) * 2019-05-31 2020-12-03 三井金属鉱業株式会社 排ガス浄化用触媒及び該排ガス浄化用触媒を用いた排ガス浄化システム
US11167272B2 (en) 2019-07-15 2021-11-09 Ford Global Technologies, Llc Exhaust treatment system including nickel-containing catalyst
EP4072709A1 (en) * 2019-12-13 2022-10-19 BASF Corporation Zeolite with cu and pd co-exchanged in a composite
CN113600233B (zh) * 2021-08-31 2023-03-28 东风商用车有限公司 一种金属掺杂钯分子筛催化剂及其制备方法、应用
EP4415880A1 (en) * 2021-10-12 2024-08-21 Johnson Matthey (Shanghai) Chemicals Limited Novel zoned catalysts for cng engine exhaust gas treatments with improved ammonia emission control
CN115501908B (zh) * 2022-09-13 2023-11-03 东风商用车有限公司 具有低温NOx吸附功能的抗硫SCR催化剂及其应用
DE102022004159A1 (de) * 2022-11-09 2024-05-16 Mercedes-Benz Group AG Abgasanlage für eine Verbrennungskraftmaschine eines Kraftfahrzeugs sowie Kraftwagen mit einer solchen Abgasanlage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160367973A1 (en) * 2015-06-18 2016-12-22 Johnson Matthey Public Limited Company Ammonia slip catalyst designed to be first in an scr system
US20160367941A1 (en) * 2015-06-18 2016-12-22 Johnson Matthey Public Limited Company Zoned Exhaust System
GB2566568A (en) * 2017-03-30 2019-03-20 Johnson Matthey Plc Single brick SCR/ASC/PNA/DOC close-coupled catalyst

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2382031B2 (en) * 2008-12-24 2022-12-14 BASF Corporation Emissions treatment systems and methods with catalyzed scr filter and downstream scr catalyst
US8844274B2 (en) * 2009-01-09 2014-09-30 Ford Global Technologies, Llc Compact diesel engine exhaust treatment system
GB2475740B (en) 2009-11-30 2017-06-07 Johnson Matthey Plc Catalysts for treating transient NOx emissions
US8293182B2 (en) * 2010-05-05 2012-10-23 Basf Corporation Integrated SCR and AMOx catalyst systems
JP5937067B2 (ja) * 2011-04-28 2016-06-22 エヌ・イーケムキャット株式会社 排気ガス浄化装置
JP5651727B2 (ja) * 2013-03-05 2015-01-14 エヌ・イーケムキャット株式会社 選択還元触媒を用いた排気ガス浄化方法
GB2514177A (en) * 2013-05-17 2014-11-19 Johnson Matthey Plc Oxidation catalyst for a compression ignition engine
GB2556231B (en) * 2013-07-30 2019-04-03 Johnson Matthey Plc Ammonia slip catalyst
GB201401115D0 (en) * 2014-01-23 2014-03-12 Johnson Matthey Plc Diesel oxidation catalyst and exhaust system
GB2530129B (en) * 2014-05-16 2016-10-26 Johnson Matthey Plc Catalytic article for treating exhaust gas
WO2016024126A1 (en) * 2014-08-15 2016-02-18 Johnson Matthey Public Limited Company Zoned catalyst for treating exhaust gas
EP3221032B1 (en) * 2014-11-19 2020-09-09 Johnson Matthey Public Limited Company Combining scr with pna for low temperature emission control
CN107847924B (zh) * 2015-06-18 2021-04-06 庄信万丰股份有限公司 具有低n2o形成的氨泄漏催化剂
US9878287B2 (en) * 2015-06-18 2018-01-30 Johnson Matthey Public Limited Company NH3 overdosing-tolerant SCR catalyst
RU2018103916A (ru) * 2015-07-02 2019-08-05 Джонсон Мэтти Паблик Лимитед Компани ПАССИВНЫЙ NOx-АДСОРБЕР
CN110072619A (zh) * 2016-10-31 2019-07-30 庄信万丰股份有限公司 用于处理排气的具有骨架外铁和/或锰的lta催化剂

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160367973A1 (en) * 2015-06-18 2016-12-22 Johnson Matthey Public Limited Company Ammonia slip catalyst designed to be first in an scr system
US20160367941A1 (en) * 2015-06-18 2016-12-22 Johnson Matthey Public Limited Company Zoned Exhaust System
GB2566568A (en) * 2017-03-30 2019-03-20 Johnson Matthey Plc Single brick SCR/ASC/PNA/DOC close-coupled catalyst

Also Published As

Publication number Publication date
US10669910B2 (en) 2020-06-02
RU2019134056A (ru) 2021-04-30
JP7170658B2 (ja) 2022-11-14
CN110709152B (zh) 2021-10-22
EP3600626A1 (en) 2020-02-05
GB201805137D0 (en) 2018-05-16
GB2563968B (en) 2021-07-07
JP2023002537A (ja) 2023-01-10
EP3600626B1 (en) 2021-09-08
WO2018183604A1 (en) 2018-10-04
DE102018107777A1 (de) 2018-10-04
RU2762284C2 (ru) 2021-12-17
CN110709152A (zh) 2020-01-17
RU2019134056A3 (enExample) 2021-07-20
GB2577967A (en) 2020-04-15
GB201911339D0 (en) 2019-09-25
JP2020515762A (ja) 2020-05-28
GB2563968A (en) 2019-01-02
US20180283250A1 (en) 2018-10-04
BR112019020371A2 (pt) 2020-04-28

Similar Documents

Publication Publication Date Title
GB2563968B (en) Platinum group metal and base metal on a molecular sieve for PNA-SCR-ASC close-coupled systems
SG11202107763WA (en) Mounting system, devices, methods and uses thereof
SG11202105055YA (en) Anti-cyberbullying systems and methods
IL271235A (en) Validation methods and systems for detecting sequence variants
GB201803120D0 (en) Device, system and method
SG11201911378XA (en) Service processing method, device and system
PT3640208T (pt) Crivo molecular scm-14, método para a sua síntese e utilização
ZA202106720B (en) Automated biomanufacturing systems, facilities, and processes
PT3640207T (pt) Peneiro molecular scm-15, método de síntese para esse fim e utilização do mesmo
EP3672199A4 (en) SYSTEM, APPARATUS AND METHOD FOR DEPLOYING APPLICATIONS
EP3681201A4 (en) DATA FORWARDING METHOD, DEVICE AND SYSTEM
GB2570385B (en) System, device and method for validating a 911 caller
SG11202006195UA (en) Information processing methods, apparatuses, devices, and systems
FI3570582T3 (fi) Entiteetin konfigurointimenetelmä, -laite ja -järjestelmä sekä cu-u
GB2561821B (en) Multi-phase sensor module, systems and methods
SG11202112631WA (en) Catheter assembly support device, systems, and methods
EP3743685C0 (en) POSITIONING METHODS AND SYSTEMS
GB2576395B (en) Signalling apparatus, support and associated method
IL272975A (en) Information processing device, information processing system and information processing method
GB202000556D0 (en) Arm deployment system and method
EP3726949A4 (en) ASSEMBLY DEVICE, INFORMATION PROCESSING DEVICE, ASSEMBLY PROCEDURE AND INFORMATION PROCESSING PROCESS
GB201513132D0 (en) Support systems, apparatus and methods
GB201809212D0 (en) Mounting device, system and method
GB201706804D0 (en) ALM base plate, system and method
GB2593847B (en) System, device and method

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20240329