BR112019001881B1 - Catalisador de oxidação para tratar um gás de escape produzido por um motor a diesel, sistema de escape para tratar um gás de escape produzido por um motor a diesel, e, veículo - Google Patents

Catalisador de oxidação para tratar um gás de escape produzido por um motor a diesel, sistema de escape para tratar um gás de escape produzido por um motor a diesel, e, veículo Download PDF

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Publication number
BR112019001881B1
BR112019001881B1 BR112019001881-6A BR112019001881A BR112019001881B1 BR 112019001881 B1 BR112019001881 B1 BR 112019001881B1 BR 112019001881 A BR112019001881 A BR 112019001881A BR 112019001881 B1 BR112019001881 B1 BR 112019001881B1
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Brazil
Prior art keywords
catalytic
substrate
capture
zone
oxidation catalyst
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BR112019001881-6A
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English (en)
Portuguese (pt)
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BR112019001881A2 (pt
Inventor
Kieran Cole
Lothar Hofmann
Calum ROBERTSON
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Johnson Matthey Public Limited Company
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Publication of BR112019001881A2 publication Critical patent/BR112019001881A2/pt
Publication of BR112019001881B1 publication Critical patent/BR112019001881B1/pt

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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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/03—Precipitation; Co-precipitation
    • B01J37/038—Precipitation; Co-precipitation to form slurries or suspensions, e.g. a washcoat
    • 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
    • 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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
    • B01D53/949—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start for storing sulfur oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
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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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    • 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
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    • 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
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Toxicology (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Crystallography & Structural Chemistry (AREA)
BR112019001881-6A 2016-08-05 2017-08-04 Catalisador de oxidação para tratar um gás de escape produzido por um motor a diesel, sistema de escape para tratar um gás de escape produzido por um motor a diesel, e, veículo BR112019001881B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1613502.2 2016-08-05
GB201613502 2016-08-05
PCT/GB2017/052296 WO2018025047A1 (en) 2016-08-05 2017-08-04 Diesel oxidation catalyst having a capture region for sulfur containing impurities

Publications (2)

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BR112019001881A2 BR112019001881A2 (pt) 2019-05-07
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CN109789403B (zh) 2022-04-12
EP3493906A1 (en) 2019-06-12
RU2019105726A (ru) 2020-09-08
GB2555677B (en) 2020-01-22
DE102017117695A1 (de) 2018-02-08
KR102325167B1 (ko) 2021-11-15
RU2019105726A3 (https=) 2020-09-08
BR112019001881A2 (pt) 2019-05-07
GB2555677A (en) 2018-05-09
KR20190039417A (ko) 2019-04-11
JP2019534137A (ja) 2019-11-28
WO2018025047A1 (en) 2018-02-08
US10137413B2 (en) 2018-11-27
JP6853341B2 (ja) 2021-03-31
US20180036680A1 (en) 2018-02-08
GB201712529D0 (en) 2017-09-20
CN109789403A (zh) 2019-05-21

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