JP5876475B2 - Ｒｈ負荷が低減されたＮＯｘ貯蔵触媒 - Google Patents

Ｒｈ負荷が低減されたＮＯｘ貯蔵触媒 Download PDF

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JP5876475B2
JP5876475B2 JP2013513801A JP2013513801A JP5876475B2 JP 5876475 B2 JP5876475 B2 JP 5876475B2 JP 2013513801 A JP2013513801 A JP 2013513801A JP 2013513801 A JP2013513801 A JP 2013513801A JP 5876475 B2 JP5876475 B2 JP 5876475B2
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washcoat layer
storage catalyst
nitric oxide
oxide storage
alumina
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JP2013529134A (ja
JP2013529134A5 (enExample
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ヒルゲンドルフ，マルクス
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BASF SE
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BASF SE
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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
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    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
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    • B01D2255/1025—Rhodium
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • 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
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    • B01D2255/2047—Magnesium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01D2255/20—Metals or compounds thereof
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01D2255/20—Metals or compounds thereof
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    • 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
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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)
  • Crystallography & Structural Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
JP2013513801A 2010-06-10 2011-06-09 Ｒｈ負荷が低減されたＮＯｘ貯蔵触媒 Active JP5876475B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10165529.8 2010-06-10
EP10165529 2010-06-10
PCT/IB2011/052511 WO2011154912A1 (en) 2010-06-10 2011-06-09 Nox storage catalyst with reduced rh loading

Publications (3)

Publication Number Publication Date
JP2013529134A JP2013529134A (ja) 2013-07-18
JP2013529134A5 JP2013529134A5 (enExample) 2014-07-24
JP5876475B2 true JP5876475B2 (ja) 2016-03-02

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ID=45097603

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JP2013513801A Active JP5876475B2 (ja) 2010-06-10 2011-06-09 Ｒｈ負荷が低減されたＮＯｘ貯蔵触媒

Country Status (7)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015036797A1 (en) * 2013-09-16 2015-03-19 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
US10226754B2 (en) * 2015-03-03 2019-03-12 Basf Corporation Lean NOx trap with enhanced high and low temperature performance
US10449522B2 (en) * 2015-07-30 2019-10-22 Basf Corporation Process for manufacture of NOx storage materials
KR101745150B1 (ko) 2015-10-13 2017-06-09 현대자동차주식회사 Lnt촉매
GB2546745A (en) 2016-01-26 2017-08-02 Johnson Matthey Plc Exhaust system
US20230330638A1 (en) * 2020-09-11 2023-10-19 Basf Corporation Layered catalytic article and process for preparing the catalytic article

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH11276907A (ja) 1998-03-30 1999-10-12 Nissan Motor Co Ltd 排気ガス浄化用触媒及びその製造方法
US6375910B1 (en) 1999-04-02 2002-04-23 Engelhard Corporation Multi-zoned catalytic trap and methods of making and using the same
EP1066874B1 (en) 1999-07-09 2009-09-23 Nissan Motor Company, Limited Exhaust gas purifying catalyst and method of producing same
JP3855266B2 (ja) 2001-11-01 2006-12-06 日産自動車株式会社 排気ガス浄化用触媒
US20030103886A1 (en) * 2001-12-03 2003-06-05 Danan Dou NOx adsorber catalyst configurations and method for reducing emissions
US20040001781A1 (en) * 2002-06-27 2004-01-01 Engelhard Corporation Multi-zone catalytic converter
US7022646B2 (en) * 2003-01-31 2006-04-04 Engelhard Corporation Layered catalyst composite
US7490464B2 (en) 2003-11-04 2009-02-17 Basf Catalysts Llc Emissions treatment system with NSR and SCR catalysts
JP2005205302A (ja) * 2004-01-22 2005-08-04 Hitachi Ltd 内燃機関用排ガス浄化触媒および排ガス浄化装置
US7374729B2 (en) 2004-03-30 2008-05-20 Basf Catalysts Llc Exhaust gas treatment catalyst
US7795172B2 (en) * 2004-06-22 2010-09-14 Basf Corporation Layered exhaust treatment catalyst
JP4438957B2 (ja) * 2005-06-13 2010-03-24 三菱自動車工業株式会社 内燃機関の排気浄化装置
JP5100085B2 (ja) * 2006-10-31 2012-12-19 株式会社キャタラー 排ガス浄化用触媒
US20080120970A1 (en) 2006-11-29 2008-05-29 Marcus Hilgendorff NOx Storage Materials and Traps Resistant to Thermal Aging
US8475752B2 (en) 2008-06-27 2013-07-02 Basf Corporation NOx adsorber catalyst with superior low temperature performance
JP5065180B2 (ja) 2008-06-30 2012-10-31 トヨタ自動車株式会社 排ガス浄化用触媒
RU2504431C2 (ru) * 2008-07-31 2014-01-20 Басф Се УДЕРЖИВАЮЩИЕ NOx МАТЕРИАЛЫ И ЛОВУШКИ, УСТОЙЧИВЫЕ К ТЕРМИЧЕСКОМУ СТАРЕНИЮ

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Publication number Publication date
EP2579983A4 (en) 2014-12-31
CN103097021A (zh) 2013-05-08
WO2011154912A1 (en) 2011-12-15
JP2013529134A (ja) 2013-07-18
CN103097021B (zh) 2015-03-11
EP2579983B1 (en) 2018-03-07
EP2579983A1 (en) 2013-04-17
KR20130109098A (ko) 2013-10-07
KR101855537B1 (ko) 2018-05-04
PL2579983T3 (pl) 2018-08-31
BR112012031341A2 (pt) 2016-11-08
EP2579983B2 (en) 2023-08-09

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