WO2005092482A8 - 排ガス浄化装置 - Google Patents

排ガス浄化装置

Info

Publication number
WO2005092482A8
WO2005092482A8 PCT/JP2004/002881 JP2004002881W WO2005092482A8 WO 2005092482 A8 WO2005092482 A8 WO 2005092482A8 JP 2004002881 W JP2004002881 W JP 2004002881W WO 2005092482 A8 WO2005092482 A8 WO 2005092482A8
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust gas
clarification
catalyst
clarification apparatus
gas clarification
Prior art date
Application number
PCT/JP2004/002881
Other languages
English (en)
French (fr)
Other versions
WO2005092482A1 (ja
Inventor
Hiroshi Tanada
Keisuke Tashiro
Hirokuni Seto
Kenji Morimoto
Tatsuya Okubo
Masaru Ogura
Original Assignee
Mitsubishi Motors Corp
Hiroshi Tanada
Keisuke Tashiro
Hirokuni Seto
Kenji Morimoto
Tatsuya Okubo
Masaru Ogura
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 Mitsubishi Motors Corp, Hiroshi Tanada, Keisuke Tashiro, Hirokuni Seto, Kenji Morimoto, Tatsuya Okubo, Masaru Ogura filed Critical Mitsubishi Motors Corp
Priority to PCT/JP2004/002881 priority Critical patent/WO2005092482A1/ja
Priority to CNB2004800422949A priority patent/CN100428980C/zh
Priority to DE112004002783.7T priority patent/DE112004002783B4/de
Priority to JP2006511353A priority patent/JP4998698B2/ja
Publication of WO2005092482A1 publication Critical patent/WO2005092482A1/ja
Publication of WO2005092482A8 publication Critical patent/WO2005092482A8/ja

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
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B01D2253/108—Zeolites
    • 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
    • B01D2255/104—Silver
    • 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
    • B01D2255/20753—Nickel
    • 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
    • B01D2255/90—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
    • 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
    • F01N2370/00—Selection of materials for exhaust purification
    • F01N2370/02—Selection of materials for exhaust purification used in catalytic reactors
    • F01N2370/04—Zeolitic material
    • 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
    • F01N2510/00—Surface coverings
    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
    • F01N2510/063—Surface coverings for exhaust purification, e.g. catalytic reaction zeolites
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

内燃機関(30)の排気通路(31)に、異なる員環数の環状構造が交差する三次元構造を持つゼオライトからなる吸着触媒(2)を設け、排ガス中のＨＣを浄化する触媒が適正に働く温度までＨＣを吸着触媒(2)に保持可能とする。
PCT/JP2004/002881 2004-03-05 2004-03-05 排ガス浄化装置 WO2005092482A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/JP2004/002881 WO2005092482A1 (ja) 2004-03-05 2004-03-05 排ガス浄化装置
CNB2004800422949A CN100428980C (zh) 2004-03-05 2004-03-05 排气净化装置
DE112004002783.7T DE112004002783B4 (de) 2004-03-05 2004-03-05 Abgasreinigungsvorrichtung
JP2006511353A JP4998698B2 (ja) 2004-03-05 2004-03-25 排ガス浄化装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2004/002881 WO2005092482A1 (ja) 2004-03-05 2004-03-05 排ガス浄化装置

Publications (2)

Publication Number Publication Date
WO2005092482A1 WO2005092482A1 (ja) 2005-10-06
WO2005092482A8 true WO2005092482A8 (ja) 2006-08-31

Family

ID=35056020

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2004/002881 WO2005092482A1 (ja) 2004-03-05 2004-03-05 排ガス浄化装置

Country Status (4)

Country Link
JP (1) JP4998698B2 (ja)
CN (1) CN100428980C (ja)
DE (1) DE112004002783B4 (ja)
WO (1) WO2005092482A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7450727B2 (ja) 2020-07-31 2024-03-15 三井金属鉱業株式会社 炭化水素吸着材、排ガス浄化触媒及び排ガス浄化システム

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8580228B2 (en) 2006-12-27 2013-11-12 Chevron U.S.A. Inc. Treatment of cold start engine exhaust
DE102014204682A1 (de) * 2014-03-13 2015-10-01 Umicore Ag & Co. Kg Katalysatorsystem zur Reduzierung von Schadgasen aus Benzinverbrennungsmotoren
US9987626B2 (en) * 2015-08-20 2018-06-05 Ford Global Technologies, Llc Use of transition metals to reduce cold start emissions
WO2022085774A1 (ja) * 2020-10-22 2022-04-28 東ソー株式会社 炭化水素吸着剤及び炭化水素の吸着方法
WO2022085753A1 (ja) 2020-10-23 2022-04-28 株式会社キャタラー 炭化水素吸着装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3411942B2 (ja) * 1993-09-30 2003-06-03 マツダ株式会社 排気ガス浄化用のｈｃ吸着剤、排気ガス浄化用触媒及び排気ガス浄化装置
JP2000237584A (ja) * 1999-02-24 2000-09-05 Tosoh Corp 炭化水素の吸着剤及び炭化水素の吸着除去方法
JP2002263450A (ja) * 2001-03-05 2002-09-17 Mitsubishi Motors Corp 排気浄化装置
JP2004105821A (ja) * 2002-09-17 2004-04-08 Nissan Motor Co Ltd 排気ガス用炭化水素吸着材及びそれを用いた排気ガス浄化用触媒
US7858059B2 (en) * 2004-02-02 2010-12-28 California Institute Of Technology Molecular sieves for improved hydrocarbon traps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7450727B2 (ja) 2020-07-31 2024-03-15 三井金属鉱業株式会社 炭化水素吸着材、排ガス浄化触媒及び排ガス浄化システム

Also Published As

Publication number Publication date
JP4998698B2 (ja) 2012-08-15
DE112004002783T5 (de) 2007-03-08
JPWO2005092482A1 (ja) 2008-02-07
DE112004002783B4 (de) 2015-04-09
WO2005092482A1 (ja) 2005-10-06
CN1925904A (zh) 2007-03-07
CN100428980C (zh) 2008-10-29

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