BR112012031341A2 - catalisador de armazenagem de óxido de nitrogênio, sistema de tratamento para uma corrente de gás de escape de automóvel, método para o tratamento de gás de escape de motor de automóvel, e, método para produzir um catalisador de armazenagem de óxido de nitrogênio - Google Patents

catalisador de armazenagem de óxido de nitrogênio, sistema de tratamento para uma corrente de gás de escape de automóvel, método para o tratamento de gás de escape de motor de automóvel, e, método para produzir um catalisador de armazenagem de óxido de nitrogênio

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Publication number
BR112012031341A2
BR112012031341A2 BR112012031341A BR112012031341A BR112012031341A2 BR 112012031341 A2 BR112012031341 A2 BR 112012031341A2 BR 112012031341 A BR112012031341 A BR 112012031341A BR 112012031341 A BR112012031341 A BR 112012031341A BR 112012031341 A2 BR112012031341 A2 BR 112012031341A2
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BR
Brazil
Prior art keywords
nitrogen oxide
oxide storage
exhaust gas
storage catalyst
coating layer
Prior art date
Application number
BR112012031341A
Other languages
English (en)
Inventor
Marcus Hilgendorff
Original Assignee
Basf Se
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=45097603&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR112012031341(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Basf Se filed Critical Basf Se
Publication of BR112012031341A2 publication Critical patent/BR112012031341A2/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
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0244—Coatings comprising several layers
    • 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
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • 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
    • B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
    • 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
    • B01J23/58—Platinum group metals with alkali- or alkaline earth 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
    • B01J23/54—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
    • B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • 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
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0027—Powdering
    • B01J37/0036—Grinding
    • 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
    • B01J37/0248—Coatings comprising impregnated particles
    • 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
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2042—Barium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2047—Magnesium
    • 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
    • B01D2255/90—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
    • B01D2255/91—NOx-storage component incorporated in the 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
    • 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
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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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)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

catalisador de armazenagem de óxido de nitrogênio, sistema de tratamento para uma corrente de gás de escape de automóvel, método para o tratamento de gás de escape de motor de automóvel, e, método para produzir um catalisador de armazenagem de óxido de nitrogênio. a presente invenção se refere a um catalisador de armazenagem de óxido de nitrogênio compreendendo: um substrato; uma primeira camada de revestimento reativo posicionada sobre o substrato, a primeira camada de revestimento reativo compreendendo partículas de suporte de óxido de metal e um material de armazenagem de óxido de nitrogênio compreendendo pelo menos um composto de metal selecionado do grupo consistindo de compostos de metal alcalino-terroso, compostos de metal alcalino, compostos de metal de terra rara, e misturas dos mesmos, pelo menos uma porção de dito pelo menos um composto de metal estando suportada sobre as partículas de suporte de óxido de metal; e uma camada de revestimento reativo posicionada sobre a primeira camada de revstimento reativo, dita segunda camada de revestimento reativo compreendendo rh, em que a primeira camada de revestimento reativo substancialmente não contém rh, e em que a segunda camada de revestimento reativo está posicionada sobre 100 - x % da superfície da primeira camada de revestimento reativo, x variando de 20 a 80.
BR112012031341A 2010-06-10 2011-06-09 catalisador de armazenagem de óxido de nitrogênio, sistema de tratamento para uma corrente de gás de escape de automóvel, método para o tratamento de gás de escape de motor de automóvel, e, método para produzir um catalisador de armazenagem de óxido de nitrogênio BR112012031341A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP10165529 2010-06-10
PCT/IB2011/052511 WO2011154912A1 (en) 2010-06-10 2011-06-09 Nox storage catalyst with reduced rh loading

Publications (1)

Publication Number Publication Date
BR112012031341A2 true BR112012031341A2 (pt) 2016-11-08

Family

ID=45097603

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012031341A BR112012031341A2 (pt) 2010-06-10 2011-06-09 catalisador de armazenagem de óxido de nitrogênio, sistema de tratamento para uma corrente de gás de escape de automóvel, método para o tratamento de gás de escape de motor de automóvel, e, método para produzir um catalisador de armazenagem de óxido de nitrogênio

Country Status (7)

Country Link
EP (1) EP2579983B2 (pt)
JP (1) JP5876475B2 (pt)
KR (1) KR101855537B1 (pt)
CN (1) CN103097021B (pt)
BR (1) BR112012031341A2 (pt)
PL (1) PL2579983T3 (pt)
WO (1) WO2011154912A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3047121B1 (en) * 2013-09-16 2019-07-17 Johnson Matthey Public Limited Company Exhaust system with a modified lean nox trap
JP6279448B2 (ja) 2014-10-17 2018-02-14 株式会社キャタラー 排ガス浄化装置
EP3277406B1 (en) * 2015-03-03 2023-08-02 BASF Corporation Lean nox trap with enhanced high and low temperature performance
BR112018001914A2 (pt) * 2015-07-30 2018-09-25 Basf Se processos para fabricar carbonato de bário, para fabricação de materiais de armazenamento de óxido de nitrogênio, material de armazenamento de óxido de nitrogênio e catalisador
KR101745150B1 (ko) 2015-10-13 2017-06-09 현대자동차주식회사 Lnt촉매
GB2546745A (en) 2016-01-26 2017-08-02 Johnson Matthey Plc Exhaust system

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JP3791947B2 (ja) † 1995-09-27 2006-06-28 東京濾器株式会社 排気ガス浄化用触媒
GB9713428D0 (en) 1997-06-26 1997-08-27 Johnson Matthey Plc Improvements in emissions control
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Also Published As

Publication number Publication date
WO2011154912A1 (en) 2011-12-15
KR20130109098A (ko) 2013-10-07
KR101855537B1 (ko) 2018-05-04
JP5876475B2 (ja) 2016-03-02
EP2579983B1 (en) 2018-03-07
CN103097021A (zh) 2013-05-08
CN103097021B (zh) 2015-03-11
JP2013529134A (ja) 2013-07-18
EP2579983A4 (en) 2014-12-31
EP2579983B2 (en) 2023-08-09
PL2579983T3 (pl) 2018-08-31
EP2579983A1 (en) 2013-04-17

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