BR112021025763A2 - Artigo catalítico, processos para a preparação de um artigo catalítico, sistema de tratamento de gás de escape para motores de combustão interna, métodos para tratar uma corrente de escape gasosa e para reduzir níveis de hidrocarbonetos e uso de um artigo catalítico - Google Patents
Artigo catalítico, processos para a preparação de um artigo catalítico, sistema de tratamento de gás de escape para motores de combustão interna, métodos para tratar uma corrente de escape gasosa e para reduzir níveis de hidrocarbonetos e uso de um artigo catalíticoInfo
- Publication number
- BR112021025763A2 BR112021025763A2 BR112021025763A BR112021025763A BR112021025763A2 BR 112021025763 A2 BR112021025763 A2 BR 112021025763A2 BR 112021025763 A BR112021025763 A BR 112021025763A BR 112021025763 A BR112021025763 A BR 112021025763A BR 112021025763 A2 BR112021025763 A2 BR 112021025763A2
- Authority
- BR
- Brazil
- Prior art keywords
- catalytic article
- treatment system
- gas treatment
- exhaust gas
- preparing
- Prior art date
Links
- 230000003197 catalytic effect Effects 0.000 title abstract 11
- 238000000034 method Methods 0.000 title abstract 4
- 229930195733 hydrocarbon Natural products 0.000 title abstract 3
- 150000002430 hydrocarbons Chemical class 0.000 title abstract 3
- 239000004215 Carbon black (E152) Substances 0.000 title abstract 2
- 238000002485 combustion reaction Methods 0.000 title abstract 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract 3
- 239000007789 gas Substances 0.000 abstract 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 abstract 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 229910052697 platinum Inorganic materials 0.000 abstract 1
- 229910052703 rhodium Inorganic materials 0.000 abstract 1
- 239000010948 rhodium Substances 0.000 abstract 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
Classifications
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- 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
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
- B01J21/04—Alumina
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- 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
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- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/19—Catalysts containing parts with different compositions
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- 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
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
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- B01J37/02—Impregnation, coating or precipitation
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- B01J37/08—Heat treatment
- B01J37/082—Decomposition and pyrolysis
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- 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
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- 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
- F01N3/2825—Ceramics
- F01N3/2828—Ceramic multi-channel monoliths, e.g. honeycombs
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- 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
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- 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
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
- F01N3/2842—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration specially adapted for monolithic supports, e.g. of honeycomb type
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- F01N2370/00—Selection of materials for exhaust purification
- F01N2370/02—Selection of materials for exhaust purification used in catalytic reactors
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Catalysts (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
artigo catalítico, processos para a preparação de um artigo catalítico, sistema de tratamento de gás de escape para motores de combustão interna, métodos para tratar uma corrente de escape gasosa e para reduzir níveis de hidrocarbonetos e uso de um artigo catalítico. trata-se de um artigo catalítico e um sistema de tratamento de gás de escape. o artigo catalítico compreende platina suportada em um primeiro suporte que compreende céria que contém componente de óxido de metal; ródio suportado em um segundo suporte selecionado a partir de um componente de alumina refratária, um componente de armazenamento de oxigênio ou uma combinação dos mesmos; e um substrato, em que o dito artigo catalítico é essencialmente livre de paládio. a invenção presentemente reivindicada também fornece um processo para preparar o artigo catalítico e uso do artigo catalítico e do sistema de tratamento de gás de escape para purificar uma corrente de escape gasosa que compreende hidrocarbonetos, monóxido de carbono e óxido de nitrogênio.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201962867351P | 2019-06-27 | 2019-06-27 | |
EP19185912 | 2019-07-12 | ||
PCT/US2020/039103 WO2020263806A1 (en) | 2019-06-27 | 2020-06-23 | Catalytic article and method of manufacturing the catalytic article |
Publications (1)
Publication Number | Publication Date |
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BR112021025763A2 true BR112021025763A2 (pt) | 2022-02-22 |
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ID=71452805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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BR112021025763A BR112021025763A2 (pt) | 2019-06-27 | 2020-06-23 | Artigo catalítico, processos para a preparação de um artigo catalítico, sistema de tratamento de gás de escape para motores de combustão interna, métodos para tratar uma corrente de escape gasosa e para reduzir níveis de hidrocarbonetos e uso de um artigo catalítico |
Country Status (7)
Country | Link |
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US (1) | US20220212170A1 (pt) |
EP (1) | EP3990175A1 (pt) |
JP (1) | JP2022539047A (pt) |
KR (1) | KR20220025717A (pt) |
CN (1) | CN113905816A (pt) |
BR (1) | BR112021025763A2 (pt) |
WO (1) | WO2020263806A1 (pt) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11642655B2 (en) * | 2020-01-07 | 2023-05-09 | Johnson Matthey Public Limited Company | Multi-region TWC catalysts for gasoline engine exhaust gas treatments |
JP7344815B2 (ja) * | 2020-02-28 | 2023-09-14 | 株式会社Subaru | ガソリンリーンバーンエンジン用lnt積層触媒、及びこれを用いた排ガス浄化装置 |
US11788450B2 (en) * | 2020-10-30 | 2023-10-17 | Johnson Matthey Public Limited Company | TWC catalysts for gasoline engine exhaust gas treatments |
JP2024525265A (ja) * | 2021-06-10 | 2024-07-12 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニー | 錯化剤及び還元剤としてロジウム/白金及びタンニン酸を使用する改善されたtwc活性 |
KR102621234B1 (ko) * | 2021-08-13 | 2024-01-09 | 현대자동차 주식회사 | 알루미나 상에 담지된 나노-세리아의 구조 변형을 통한 황 피독 저항성 개선방법 |
WO2023031584A1 (en) * | 2021-08-31 | 2023-03-09 | Johnson Matthey Public Limited Company | Transition metal incorporated alumina for improved three way catalysts |
WO2023141757A1 (en) * | 2022-01-25 | 2023-08-03 | Johnson Matthey (Shanghai) Chemicals Limited | Method for producing gasoline particulate filter |
CN118338960A (zh) * | 2022-02-25 | 2024-07-12 | 庄信万丰股份有限公司 | 具有高局部铑浓度的催化剂制品 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4128506A (en) * | 1978-01-23 | 1978-12-05 | General Motors Corporation | Platinum-rhodium catalyst for automotive emission control |
DE2907106C2 (de) * | 1979-02-23 | 1985-12-19 | Degussa Ag, 6000 Frankfurt | Abgaskatalysator und seine Verwendung zur Reinigung der Abgase von Verbrennungskraftmaschinen |
US4708946A (en) * | 1985-05-23 | 1987-11-24 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Catalyst for purifying exhaust gas |
CA1326232C (en) * | 1987-08-13 | 1994-01-18 | Engelhard Corporation | Thermally stabilized catalysts containing alumina and methods of making the same |
US7754171B2 (en) * | 2007-02-02 | 2010-07-13 | Basf Corporation | Multilayered catalyst compositions |
US8007750B2 (en) * | 2007-07-19 | 2011-08-30 | Basf Corporation | Multilayered catalyst compositions |
JP4751916B2 (ja) * | 2008-06-30 | 2011-08-17 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
WO2010026814A1 (ja) * | 2008-09-02 | 2010-03-11 | 日産自動車株式会社 | 排気ガス浄化用触媒及びその製造方法 |
WO2013021395A1 (en) * | 2011-08-10 | 2013-02-14 | Süd-Chemie India Ltd. | Catalyst for after-treatment of exhaust gas from an internal combustion engine |
KR20220025715A (ko) * | 2019-06-27 | 2022-03-03 | 바스프 코포레이션 | 적층 촉매 물품 및 당해 촉매 물품의 제조 방법 |
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2020
- 2020-06-23 JP JP2021576718A patent/JP2022539047A/ja active Pending
- 2020-06-23 CN CN202080040882.8A patent/CN113905816A/zh active Pending
- 2020-06-23 US US17/595,321 patent/US20220212170A1/en active Pending
- 2020-06-23 WO PCT/US2020/039103 patent/WO2020263806A1/en active Application Filing
- 2020-06-23 EP EP20736558.6A patent/EP3990175A1/en active Pending
- 2020-06-23 KR KR1020217040149A patent/KR20220025717A/ko unknown
- 2020-06-23 BR BR112021025763A patent/BR112021025763A2/pt unknown
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WO2020263806A1 (en) | 2020-12-30 |
US20220212170A1 (en) | 2022-07-07 |
CN113905816A (zh) | 2022-01-07 |
EP3990175A1 (en) | 2022-05-04 |
KR20220025717A (ko) | 2022-03-03 |
JP2022539047A (ja) | 2022-09-07 |
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