KR101855537B1 - Rh 로딩량이 감소된 NOx 저장 촉매 - Google Patents

Rh 로딩량이 감소된 NOx 저장 촉매 Download PDF

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KR101855537B1
KR101855537B1 KR1020137000716A KR20137000716A KR101855537B1 KR 101855537 B1 KR101855537 B1 KR 101855537B1 KR 1020137000716 A KR1020137000716 A KR 1020137000716A KR 20137000716 A KR20137000716 A KR 20137000716A KR 101855537 B1 KR101855537 B1 KR 101855537B1
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washcoat layer
storage catalyst
oxide storage
substrate
nitrogen oxide
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마르쿠스 힐겐도르프
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바스프 에스이
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
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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
    • B01J37/024—Multiple impregnation or coating
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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
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
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    • 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)
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    • B01D—SEPARATION
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • B01J23/464—Rhodium
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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)
KR1020137000716A 2010-06-10 2011-06-09 Rh 로딩량이 감소된 NOx 저장 촉매 Active KR101855537B1 (ko)

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 (2)

Publication Number Publication Date
KR20130109098A KR20130109098A (ko) 2013-10-07
KR101855537B1 true KR101855537B1 (ko) 2018-05-04

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KR1020137000716A Active KR101855537B1 (ko) 2010-06-10 2011-06-09 Rh 로딩량이 감소된 NOx 저장 촉매

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EP (1) EP2579983B2 (https=)
JP (1) JP5876475B2 (https=)
KR (1) KR101855537B1 (https=)
CN (1) CN103097021B (https=)
BR (1) BR112012031341A2 (https=)
PL (1) PL2579983T3 (https=)
WO (1) WO2011154912A1 (https=)

Families Citing this family (8)

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Publication number Priority date Publication date Assignee Title
CN105683518B (zh) * 2013-09-16 2019-10-18 庄信万丰股份有限公司 具有改性贫燃NOx阱的排气系统和方法
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
WO2017017258A1 (en) * 2015-07-30 2017-02-02 Basf Se 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
WO2022056066A1 (en) * 2020-09-11 2022-03-17 Basf Corporation Layered catalytic article and process for preparing the catalytic article
JP2025505085A (ja) 2022-02-10 2025-02-21 ジョンソン、マッセイ、パブリック、リミテッド、カンパニー ガソリンエンジン排気ガス処理用の改善された触媒

Citations (1)

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Publication number Priority date Publication date Assignee Title
WO2009158453A1 (en) * 2008-06-27 2009-12-30 Basf Catalyst Llc Nox adsorber catalyst with superior low temperature performance

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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
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
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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
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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
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
EP2307122B1 (en) * 2008-07-31 2014-09-17 Basf Se Nox storage materials and traps resistant to thermal aging

Patent Citations (1)

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Publication number Publication date
JP5876475B2 (ja) 2016-03-02
EP2579983A4 (en) 2014-12-31
JP2013529134A (ja) 2013-07-18
CN103097021A (zh) 2013-05-08
EP2579983A1 (en) 2013-04-17
BR112012031341A2 (pt) 2016-11-08
PL2579983T3 (pl) 2018-08-31
EP2579983B2 (en) 2023-08-09
EP2579983B1 (en) 2018-03-07
KR20130109098A (ko) 2013-10-07
WO2011154912A1 (en) 2011-12-15
CN103097021B (zh) 2015-03-11

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