BR112021011904A2 - Artigo catalítico, processos para a preparação de um artigo catalítico, sistema de exaustão para motores de combustão interna, método para reduzir níveis de hidrocarbonetos e uso do artigo catalítico - Google Patents

Artigo catalítico, processos para a preparação de um artigo catalítico, sistema de exaustão para motores de combustão interna, método para reduzir níveis de hidrocarbonetos e uso do artigo catalítico Download PDF

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Publication number
BR112021011904A2
BR112021011904A2 BR112021011904-3A BR112021011904A BR112021011904A2 BR 112021011904 A2 BR112021011904 A2 BR 112021011904A2 BR 112021011904 A BR112021011904 A BR 112021011904A BR 112021011904 A2 BR112021011904 A2 BR 112021011904A2
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Brazil
Prior art keywords
layer
component
catalytic article
alumina
ceria
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BR112021011904-3A
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English (en)
Portuguese (pt)
Inventor
Aleksei Vjunov
Michel Deeba
Xiaolai Zheng
Tian Luo
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Basf Corporation
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Publication of BR112021011904A2 publication Critical patent/BR112021011904A2/pt

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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
    • 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
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    • 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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    • 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
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    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (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 After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
BR112021011904-3A 2018-12-19 2019-12-16 Artigo catalítico, processos para a preparação de um artigo catalítico, sistema de exaustão para motores de combustão interna, método para reduzir níveis de hidrocarbonetos e uso do artigo catalítico BR112021011904A2 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862781630P 2018-12-19 2018-12-19
US62/781,630 2018-12-19
EP19152014.7 2019-01-16
EP19152014 2019-01-16
PCT/IB2019/060847 WO2020128785A1 (en) 2018-12-19 2019-12-16 Catalytic article and methods of manufacturing and using the same

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BR112021011904A2 true BR112021011904A2 (pt) 2021-08-31

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US (1) US12253015B2 (https=)
EP (1) EP3899223A4 (https=)
JP (1) JP7615030B2 (https=)
KR (1) KR20210102417A (https=)
CN (1) CN113260776A (https=)
BR (1) BR112021011904A2 (https=)
WO (1) WO2020128785A1 (https=)

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KR102891182B1 (ko) * 2018-12-19 2025-11-27 바스프 모바일 에미션스 카탈리스츠 엘엘씨 층상 촉매 조성물 및 촉매 물품 및 이를 제조 및 사용하는 방법
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