DE69929396D1 - Verfahren zur Reinigung von hochsauerstoffhaltigen Abgasen - Google Patents

Verfahren zur Reinigung von hochsauerstoffhaltigen Abgasen

Info

Publication number
DE69929396D1
DE69929396D1 DE69929396T DE69929396T DE69929396D1 DE 69929396 D1 DE69929396 D1 DE 69929396D1 DE 69929396 T DE69929396 T DE 69929396T DE 69929396 T DE69929396 T DE 69929396T DE 69929396 D1 DE69929396 D1 DE 69929396D1
Authority
DE
Germany
Prior art keywords
purification
exhaust gases
oxygen exhaust
oxygen
gases
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
DE69929396T
Other languages
English (en)
Other versions
DE69929396T2 (de
Inventor
Maki Kamikubo
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co 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
Priority claimed from JP10024515A external-priority patent/JPH11221466A/ja
Priority claimed from JP30965498A external-priority patent/JP4501166B2/ja
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Publication of DE69929396D1 publication Critical patent/DE69929396D1/de
Application granted granted Critical
Publication of DE69929396T2 publication Critical patent/DE69929396T2/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
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • 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
    • B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
    • B01D53/9486—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start for storing hydrocarbons
    • 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
    • B01J35/19—Catalysts containing parts with different compositions
    • 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
    • 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
    • B01J37/0246—Coatings comprising a zeolite
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0835—Hydrocarbons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/204—Carbon monoxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/208—Hydrocarbons
    • 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
    • B01D2255/2045—Calcium
    • 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
    • B01D2255/2063—Lanthanum
    • 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
    • B01D2255/2073—Manganese
    • 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
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20746—Cobalt
    • 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
    • B01D2255/20761—Copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites
    • 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
    • B01D2255/9025—Three 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
    • B01D2255/903—Multi-zoned catalysts
    • B01D2255/9032—Two zones
    • 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
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/912—HC-storage component incorporated in the catalyst

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
DE69929396T 1998-02-05 1999-02-05 Verfahren zur Reinigung von hochsauerstoffhaltigen Abgasen Expired - Lifetime DE69929396T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2451598 1998-02-05
JP10024515A JPH11221466A (ja) 1998-02-05 1998-02-05 排気ガス浄化用触媒及び排気ガス浄化方法
JP30965498A JP4501166B2 (ja) 1998-10-30 1998-10-30 排ガス浄化システム
JP30965498 1998-10-30

Publications (2)

Publication Number Publication Date
DE69929396D1 true DE69929396D1 (de) 2006-04-06
DE69929396T2 DE69929396T2 (de) 2006-09-21

Family

ID=26362044

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69929396T Expired - Lifetime DE69929396T2 (de) 1998-02-05 1999-02-05 Verfahren zur Reinigung von hochsauerstoffhaltigen Abgasen

Country Status (2)

Country Link
EP (1) EP0935055B1 (de)
DE (1) DE69929396T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1064985B1 (de) 1999-07-02 2008-02-20 Nissan Motor Co., Ltd. Abgasreinigungssystem
DE10054877A1 (de) * 2000-11-06 2002-05-29 Omg Ag & Co Kg Abgasreinigungsanlage für die selektive katalytische Reduktion von Stickoxiden unter mageren Abgasbedingungen und Verfahren zur Abgasreinigung
NL1017245C2 (nl) * 2001-01-31 2002-08-01 Stichting Energie Werkwijze voor het gelijktijdig verwijderen van stikstofoxiden en lachgas uit een stikstofoxiden en lachgas bevattende gasstroom.
JP3726705B2 (ja) * 2001-05-11 2005-12-14 日産自動車株式会社 内燃機関の排気浄化装置
SE0203538L (sv) 2002-11-27 2004-05-28 Volvo Technology Corp Katalysatorenhet för reducering av NOx-föreningar
JP4210552B2 (ja) * 2003-05-06 2009-01-21 株式会社アイシーティー ディーゼルエンジン排ガス浄化用触媒およびその製造方法
US20040254061A1 (en) * 2003-06-12 2004-12-16 Danan Dou Diesel exhaust emissions control device and methods of making thereof
US7399729B2 (en) 2003-12-22 2008-07-15 General Electric Company Catalyst system for the reduction of NOx
JP2007160168A (ja) * 2005-12-12 2007-06-28 Toyota Motor Corp 排ガス浄化装置
US20080053071A1 (en) * 2006-09-05 2008-03-06 Karen Adams System and Method for Reducing NOx Emissions
US7939039B2 (en) * 2007-09-11 2011-05-10 GM Global Technology Operations LLC Bimetallic catalyst for NOx reduction in engine exhaust
JP4390000B2 (ja) * 2008-01-09 2009-12-24 トヨタ自動車株式会社 ＮＯｘ吸着装置
BR112012031330B1 (pt) 2010-06-10 2018-12-11 Basf Se catalisador armazenador de óxido de nitrogênio, sistema de tratamento para uma corrente de gás de escape de automóvel, e, método para o tratamento de gás de escape de motor de automóvel
US8734743B2 (en) 2010-06-10 2014-05-27 Basf Se NOx storage catalyst with improved hydrocarbon conversion activity
FI123812B (fi) * 2012-02-17 2013-11-15 Ecocat Oy Pinnoite typen oksidien pelkistämiseksi
JP2015025433A (ja) * 2013-07-29 2015-02-05 三菱自動車工業株式会社 内燃機関の排気浄化装置
US9517457B2 (en) 2013-10-30 2016-12-13 Cummins Inc. Aftertreatment systems with reduced N2O generation
EP3072587A4 (de) * 2013-11-22 2017-07-19 Cataler Corporation Abgasreinigungskatalysator
BR112016012630B1 (pt) * 2013-12-06 2021-11-16 Johnson Matthey Public Limited Company Sistema de escape para motores de combustão interna, e, método para reduzir nox em um gás de escape
GB201405868D0 (en) * 2014-04-01 2014-05-14 Johnson Matthey Plc Diesel oxidation catalyst with NOx adsorber activity
CN107148512B (zh) * 2014-10-21 2020-12-15 巴斯夫公司 具有twc催化剂和scr-hct催化剂的排放处理系统
JP2023509349A (ja) * 2019-12-13 2023-03-08 ビーエーエスエフ コーポレーション ＣｕおよびＰｄを含む、複合材中の共交換されたゼオライト

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01127044A (ja) 1987-11-11 1989-05-19 Toyota Central Res & Dev Lab Inc 排気浄化用触媒
JPH01310742A (ja) 1988-06-07 1989-12-14 Toyota Motor Corp 排気ガス浄化用触媒
JPH0661427B2 (ja) * 1990-07-19 1994-08-17 株式会社日本触媒 窒素酸化物の除去方法
JPH0568888A (ja) 1991-09-13 1993-03-23 Mazda Motor Corp 排気ガス浄化用触媒
DE69218777T2 (de) * 1991-10-14 1997-08-14 Toyota Motor Co Ltd Abgasreinigungsanlage für brennkraftmaschinen
JP3098083B2 (ja) 1991-12-26 2000-10-10 マツダ株式会社 排気ガス浄化用触媒
JP3345927B2 (ja) 1992-03-19 2002-11-18 三菱自動車工業株式会社 デイーゼルエンジン排気の浄化方法
JPH0655075A (ja) 1992-08-07 1994-03-01 Sangi Co Ltd 排気ガス浄化用触媒
JPH06146869A (ja) * 1992-11-10 1994-05-27 Hitachi Ltd エンジン排ガス浄化装置
JP2874078B2 (ja) 1993-06-15 1999-03-24 三菱自動車工業株式会社 排気ガス浄化装置
JP3197711B2 (ja) 1993-11-05 2001-08-13 出光興産株式会社 排気ガス浄化用触媒
JPH07144134A (ja) 1993-11-25 1995-06-06 Idemitsu Kosan Co Ltd 排気ガス浄化用触媒
JP3375790B2 (ja) * 1995-06-23 2003-02-10 日本碍子株式会社 排ガス浄化システム及び排ガス浄化方法
EP0984142B1 (de) * 1997-04-24 2004-06-30 Toyota Jidosha Kabushiki Kaisha Abgasüberwachungssystem für verbrennungsmotoren

Also Published As

Publication number Publication date
EP0935055A3 (de) 2002-03-13
EP0935055B1 (de) 2006-01-11
DE69929396T2 (de) 2006-09-21
EP0935055A2 (de) 1999-08-11

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