JP7751586B2 - 経時劣化安定性が更に改善された二重層三元触媒 - Google Patents

経時劣化安定性が更に改善された二重層三元触媒

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Publication number
JP7751586B2
JP7751586B2 JP2022544383A JP2022544383A JP7751586B2 JP 7751586 B2 JP7751586 B2 JP 7751586B2 JP 2022544383 A JP2022544383 A JP 2022544383A JP 2022544383 A JP2022544383 A JP 2022544383A JP 7751586 B2 JP7751586 B2 JP 7751586B2
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Prior art keywords
layer
oxide
zirconium
cerium
catalyst
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JP2022544383A
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English (en)
Japanese (ja)
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JP2023511668A5 (https=
JP2023511668A (ja
Inventor
ヨエル・デスプレス
マルティン・レッシュ
イェルク－ミヒャエル・リヒター
カロリン・ブラウン
マルクス・シュミット
ニコル・シハテル
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Umicore AG and Co KG
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Umicore AG and Co KG
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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
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • 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
    • B01J21/066—Zirconium or hafnium; Oxides or hydroxides thereof
    • 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
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • 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
    • B01J23/38—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
    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • B01J23/464—Rhodium
    • 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
    • B01J23/54—Catalysts 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
    • B01J23/56—Platinum group metals
    • B01J23/63—Platinum group metals with rare earths or actinides
    • 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
    • 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
    • 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
    • F01N3/101—Three-way 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
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • 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
    • B01D2255/1021—Platinum
    • 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
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1025—Rhodium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2061—Yttrium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2063—Lanthanum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2065—Cerium
    • 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
    • B01D2255/20715—Zirconium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/209—Other metals
    • B01D2255/2092—Aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/40—Mixed oxides
    • B01D2255/407—Zr-Ce mixed oxides
    • 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
    • B01D2255/908—O2-storage component incorporated in the catalyst
    • 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
    • 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)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Toxicology (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)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
JP2022544383A 2020-01-27 2021-01-26 経時劣化安定性が更に改善された二重層三元触媒 Active JP7751586B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102020101876.2 2020-01-27
DE102020101876.2A DE102020101876A1 (de) 2020-01-27 2020-01-27 Doppelschichtiger Dreiweg-Katalysator mit weiter verbesserter Alterungsstabilität
PCT/EP2021/051728 WO2021151876A1 (de) 2020-01-27 2021-01-26 Doppelschichtiger dreiweg-katalysator mit weiter verbesserter alterungsstabilität

Publications (3)

Publication Number Publication Date
JP2023511668A JP2023511668A (ja) 2023-03-22
JP2023511668A5 JP2023511668A5 (https=) 2025-04-15
JP7751586B2 true JP7751586B2 (ja) 2025-10-08

Family

ID=74553793

Family Applications (1)

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JP2022544383A Active JP7751586B2 (ja) 2020-01-27 2021-01-26 経時劣化安定性が更に改善された二重層三元触媒

Country Status (7)

Country Link
US (1) US12296298B2 (https=)
EP (1) EP4096811A1 (https=)
JP (1) JP7751586B2 (https=)
KR (1) KR20220128670A (https=)
CN (1) CN114828988A (https=)
DE (1) DE102020101876A1 (https=)
WO (1) WO2021151876A1 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023198570A1 (de) 2022-04-11 2023-10-19 Umicore Ag & Co. Kg Abgassystem für überwiegend stöchiometrisch betriebene verbrennungsmotoren aufweisend einen katalysator zur verminderung der ammoniakemissionen
DE102023101763A1 (de) 2022-04-11 2023-10-12 Umicore Ag & Co. Kg Abgassystem für überwiegend stöchiometrisch betriebene Verbrennungsmotoren aufweisend einen Katalysator zur Verminderung der Ammoniakemissionen
US20250303365A1 (en) * 2022-05-30 2025-10-02 Mitsui Mining & Smelting Co., Ltd. Exhaust gas purification catalyst
DE102022130469A1 (de) 2022-11-17 2024-05-23 Umicore Ag & Co. Kg Verfahren und Vorrichtung zum Herstellen eines Substrats für eine Abgasnachbehandlungseinrichtung
DE102023117464A1 (de) 2023-07-03 2025-01-09 Umicore Ag & Co. Kg Verfahren und Vorrichtung zum Herstellen eines Substrats für eine Abgasnachbehandlungseinrichtung
DE102023132075A1 (de) * 2023-11-17 2025-05-22 Umicore Ag & Co. Kg Katalytischer Partikelfilter
DE102024111819A1 (de) 2024-04-26 2025-10-30 Umicore Ag & Co. Kg Doppelschichtiger Drei-Wege-Katalysator

Citations (4)

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US20100124523A1 (en) 2008-11-19 2010-05-20 Basf Catalysts Llc Emissions Treatment Catalysts
JP2015037784A (ja) 2009-03-06 2015-02-26 ユミコア日本触媒株式会社 排ガス浄化用触媒
JP2018508337A (ja) 2015-01-19 2018-03-29 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 経時劣化安定性が改善された二重層三元触媒
JP2019013895A (ja) 2017-07-07 2019-01-31 株式会社Ｓｏｋｅｎ 排ガス浄化用触媒

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DE19726322A1 (de) 1997-06-20 1998-12-24 Degussa Abgasreinigungskatalysator für Verbrennungsmotoren mit zwei katalytisch aktiven Schichten auf einem Tragkörper
EP1046423B8 (en) 1999-04-23 2007-11-21 Umicore AG & Co. KG Layered noble metal-containing exhaust gas catalyst and its preparation
US6846466B2 (en) * 2000-03-22 2005-01-25 Cataler Corporation Catalyst for purifying an exhaust gas
US7875250B2 (en) 2003-12-11 2011-01-25 Umicore Ag & Co. Kg Exhaust treatment device, and methods of making the same
JP4507717B2 (ja) * 2004-01-16 2010-07-21 マツダ株式会社 排気ガス浄化用触媒
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JP4648089B2 (ja) 2005-05-27 2011-03-09 株式会社キャタラー 排ガス浄化用触媒
WO2008000449A2 (de) 2006-06-29 2008-01-03 Umicore Ag & Co. Kg Dreiweg-katalysator
US7517510B2 (en) * 2006-08-21 2009-04-14 Basf Catalysts Llc Layered catalyst composite
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JP4760625B2 (ja) 2006-09-06 2011-08-31 マツダ株式会社 排ガス浄化用触媒装置
EP1974809B1 (de) 2007-03-19 2010-09-29 Umicore AG & Co. KG Doppelschichtiger Dreiweg-Katalysator
US8007750B2 (en) 2007-07-19 2011-08-30 Basf Corporation Multilayered catalyst compositions
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US20170189892A1 (en) 2015-12-31 2017-07-06 SDCmaterials, Inc. Layered catalysts for gasoline engine exhaust
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DE112017005130A5 (de) 2016-10-10 2019-08-01 Umicore Ag & Co. Kg Katalysatoranordnung
CN110665501A (zh) 2019-09-23 2020-01-10 重庆海特弘业催化剂有限公司 一种汽车尾气净化三元催化剂的外层Rh涂层及其催化剂

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
US20100124523A1 (en) 2008-11-19 2010-05-20 Basf Catalysts Llc Emissions Treatment Catalysts
JP2015037784A (ja) 2009-03-06 2015-02-26 ユミコア日本触媒株式会社 排ガス浄化用触媒
JP2018508337A (ja) 2015-01-19 2018-03-29 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 経時劣化安定性が改善された二重層三元触媒
JP2019013895A (ja) 2017-07-07 2019-01-31 株式会社Ｓｏｋｅｎ 排ガス浄化用触媒

Also Published As

Publication number Publication date
WO2021151876A1 (de) 2021-08-05
EP4096811A1 (de) 2022-12-07
DE102020101876A1 (de) 2021-07-29
US20230045409A1 (en) 2023-02-09
US12296298B2 (en) 2025-05-13
KR20220128670A (ko) 2022-09-21
JP2023511668A (ja) 2023-03-22
CN114828988A (zh) 2022-07-29

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