DE60136882D1 - Katalysator zur Reinigung von Abgas - Google Patents

Katalysator zur Reinigung von Abgas

Info

Publication number
DE60136882D1
DE60136882D1 DE60136882T DE60136882T DE60136882D1 DE 60136882 D1 DE60136882 D1 DE 60136882D1 DE 60136882 T DE60136882 T DE 60136882T DE 60136882 T DE60136882 T DE 60136882T DE 60136882 D1 DE60136882 D1 DE 60136882D1
Authority
DE
Germany
Prior art keywords
catalyst
exhaust gas
purifying exhaust
purifying
gas
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60136882T
Other languages
English (en)
Inventor
Naomi Noda
Junichi Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NGK Insulators Ltd
Original Assignee
NGK Insulators Ltd
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
Application filed by NGK Insulators Ltd filed Critical NGK Insulators Ltd
Application granted granted Critical
Publication of DE60136882D1 publication Critical patent/DE60136882D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B01J35/56—
    • 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
    • B01D2255/202—Alkali metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/202—Alkali metals
    • B01D2255/2022—Potassium
    • 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
    • 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
    • B01D2255/207—Transition metals
    • B01D2255/20738—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/01—Engine exhaust gases
    • B01D2258/012—Diesel engines and lean burn gasoline engines
    • 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
    • B01J23/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the alkali- or alkaline earth metals or beryllium
    • 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
    • B01J37/0215—Coating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
DE60136882T 2000-05-11 2001-05-04 Katalysator zur Reinigung von Abgas Expired - Lifetime DE60136882D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000138822A JP2001314762A (ja) 2000-05-11 2000-05-11 排ガス浄化用触媒体

Publications (1)

Publication Number Publication Date
DE60136882D1 true DE60136882D1 (de) 2009-01-22

Family

ID=18646382

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60136882T Expired - Lifetime DE60136882D1 (de) 2000-05-11 2001-05-04 Katalysator zur Reinigung von Abgas

Country Status (4)

Country Link
US (1) US6815393B2 (de)
EP (1) EP1153649B1 (de)
JP (1) JP2001314762A (de)
DE (1) DE60136882D1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020082164A1 (en) * 2000-01-14 2002-06-27 Danan Dou Methods to reduce alkali material migration from NOx adsorber washcoat to cordierite
JP2002282702A (ja) * 2001-01-19 2002-10-02 Ngk Insulators Ltd 触媒体
JP4082559B2 (ja) 2001-11-22 2008-04-30 日本碍子株式会社 触媒体及びその製造方法
JP4228278B2 (ja) * 2002-03-19 2009-02-25 トヨタ自動車株式会社 排ガス浄化用触媒
WO2003082467A1 (fr) * 2002-03-28 2003-10-09 Ngk Insulators, Ltd. Corps structurel cellulaire, procede de fabrication d'un corps structurel cellulaire et corps structurel de catalyseur
EP1604740A4 (de) * 2003-02-25 2008-10-08 Ngk Insulators Ltd Katalysator und katalysatorträger
WO2005009918A1 (ja) * 2003-07-29 2005-02-03 Ohcera Co., Ltd. 排ガス浄化触媒用ハニカム担体及びその製造方法
JP4429756B2 (ja) * 2004-02-10 2010-03-10 株式会社キャタラー フィルタ触媒
CN101069000B (zh) * 2004-07-26 2010-12-08 陶氏环球技术公司 改进的触媒滤烟器
JP4985118B2 (ja) * 2007-06-06 2012-07-25 トヨタ自動車株式会社 排ガス浄化用触媒とその製造方法
JP5649836B2 (ja) * 2010-03-23 2015-01-07 日本碍子株式会社 ハニカム触媒体
GB2484911B (en) * 2010-10-22 2013-04-03 Johnson Matthey Plc NOx absorber catalyst comprising caesium silicate and at least one platinum group metal
TWI630954B (zh) * 2014-12-09 2018-08-01 財團法人工業技術研究院 雙酚a或其衍生物的氫化方法以及對苯二甲酸或其衍生物的氫化方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57140645A (en) 1981-02-23 1982-08-31 Matsushita Electric Ind Co Ltd Heterogeneous catalyst
US5288672A (en) * 1988-04-26 1994-02-22 Bayer Aktiensesellschaft Ceramics based on aluminum titanate, process for their production and their use
EP0463437B2 (de) * 1990-06-22 1998-12-02 Bayer Ag Sinterformkörper auf Basis von Aluminiumtitanat, Verfahren zu ihrer Herstellung sowie deren Verwendung
JP4098835B2 (ja) * 1993-12-07 2008-06-11 トヨタ自動車株式会社 排気ガス浄化用触媒
JP3494331B2 (ja) 1996-02-02 2004-02-09 トヨタ自動車株式会社 排ガス浄化用触媒及びその製造方法
CA2257949C (en) * 1996-06-10 2003-02-11 Hitachi, Ltd. Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine
US5985220A (en) * 1996-10-02 1999-11-16 Engelhard Corporation Metal foil having reduced permanent thermal expansion for use in a catalyst assembly, and a method of making the same
JPH10165817A (ja) 1996-12-10 1998-06-23 Toyota Central Res & Dev Lab Inc 排ガス浄化用触媒
DE19838282A1 (de) 1998-08-24 2000-03-02 Degussa Stickoxid-Speichermaterial und daraus hergestellter Stickoxid-Speicherkatalysator
JP4012320B2 (ja) * 1998-10-15 2007-11-21 株式会社アイシーティー 希薄燃焼エンジン用排気ガス浄化用触媒
JP2001232195A (ja) 1999-12-17 2001-08-28 Ngk Insulators Ltd 触媒体

Also Published As

Publication number Publication date
US20010056034A1 (en) 2001-12-27
EP1153649A1 (de) 2001-11-14
US6815393B2 (en) 2004-11-09
JP2001314762A (ja) 2001-11-13
EP1153649B1 (de) 2008-12-10

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Legal Events

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