DE69322332T2 - Katalysator zur Reinigung von Abgasen - Google Patents

Katalysator zur Reinigung von Abgasen

Info

Publication number
DE69322332T2
DE69322332T2 DE69322332T DE69322332T DE69322332T2 DE 69322332 T2 DE69322332 T2 DE 69322332T2 DE 69322332 T DE69322332 T DE 69322332T DE 69322332 T DE69322332 T DE 69322332T DE 69322332 T2 DE69322332 T2 DE 69322332T2
Authority
DE
Germany
Prior art keywords
exhaust gases
catalytic converter
cleaning exhaust
cleaning
catalytic
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 - Fee Related
Application number
DE69322332T
Other languages
English (en)
Other versions
DE69322332D1 (de
Inventor
Tetsuo Nagami
Yoshitsugu Ogura
Masahiko Ogai
Yoshiaki Fukushima
Shinji Inagaki
Kazuhiro Fukumoto
Kouji Banno
Yuji Sakakibara
Yasuo Takada
Takashi Ohta
Akane Okada
Yukimura Yamada
Kiyotaka Hayashi
Shinji Matsuura
Kazuyuki Kuroda
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 JP24569892A external-priority patent/JP3264522B2/ja
Priority claimed from JP4222756A external-priority patent/JPH0663400A/ja
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of DE69322332D1 publication Critical patent/DE69322332D1/de
Application granted granted Critical
Publication of DE69322332T2 publication Critical patent/DE69322332T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B01J29/03—Catalysts comprising molecular sieves not having base-exchange properties
    • B01J29/0308—Mesoporous materials not having base exchange properties, e.g. Si-MCM-41
    • 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
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • 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
    • 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
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08—Silica
    • 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
    • B01J29/03—Catalysts comprising molecular sieves not having base-exchange properties
    • B01J29/0308—Mesoporous materials not having base exchange properties, e.g. Si-MCM-41
    • B01J29/0316—Mesoporous materials not having base exchange properties, e.g. Si-MCM-41 containing iron group metals, noble metals or copper
    • B01J29/0325—Noble metals
    • B01J35/647—
    • 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
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/912—HC-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
    • B01D2255/92—Dimensions
    • B01D2255/9202—Linear dimensions
    • 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
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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
DE69322332T 1992-08-21 1993-08-20 Katalysator zur Reinigung von Abgasen Expired - Fee Related DE69322332T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP24569892A JP3264522B2 (ja) 1991-09-06 1992-08-21 炭化水素成分トラッパ装置，蒸発燃料吸収装置及び排気ガス浄化装置
JP4222756A JPH0663400A (ja) 1992-08-21 1992-08-21 排ガス浄化用触媒

Publications (2)

Publication Number Publication Date
DE69322332D1 DE69322332D1 (de) 1999-01-14
DE69322332T2 true DE69322332T2 (de) 1999-06-10

Family

ID=26525065

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69322332T Expired - Fee Related DE69322332T2 (de) 1992-08-21 1993-08-20 Katalysator zur Reinigung von Abgasen

Country Status (3)

Country Link
US (1) US5462905A (de)
EP (1) EP0584737B1 (de)
DE (1) DE69322332T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0691459B1 (de) * 1994-07-05 1998-11-11 Ford Motor Company Limited Katalysator System
EP0716877A1 (de) * 1994-12-13 1996-06-19 Johnson Matthey Public Limited Company Katalytische Reinigung von Motorabgas
US5834395A (en) * 1995-03-24 1998-11-10 Next Generation Catalyst Research Institute, Co., Ltd. Catalyst for controlling emissions
JP3386621B2 (ja) * 1995-03-30 2003-03-17 トヨタ自動車株式会社 ディーゼルエンジン用排ガス浄化触媒
US5510086A (en) * 1995-04-10 1996-04-23 General Motors Corporation Adcat exhaust treatment device
GB9511412D0 (en) * 1995-06-06 1995-08-02 Johnson Matthey Plc Improvements in emission control
US5849255A (en) * 1995-06-07 1998-12-15 Asec Manufacturing Treatment of diesel exhaust gas using zeolite catalyst
US5681789A (en) * 1996-02-12 1997-10-28 Arco Chemical Technology, L.P. Activation of as-synthesized titanium-containing zeolites
US6261989B1 (en) * 1999-05-19 2001-07-17 Daihatsu Motor Co., Ltd. Catalytic converter for cleaning exhaust gas
FI110311B (fi) * 1999-07-20 2002-12-31 Asm Microchemistry Oy Menetelmä ja laitteisto aineiden poistamiseksi kaasuista
KR100503512B1 (ko) * 2002-11-15 2005-07-25 주식회사 카프로 금속 이온이 담지된 세공성 촉매, 이의 제조방법 및 이를이용한 ε-카프로락탐의 제조방법
JP2005193171A (ja) * 2004-01-08 2005-07-21 Ict:Kk 内燃機関の排気浄化装置
JPWO2007097056A1 (ja) * 2006-02-23 2009-07-09 イビデン株式会社 ハニカム構造体および排ガス浄化装置
TWI423848B (zh) * 2006-07-13 2014-01-21 Umicore Shokubai Japan Co Ltd 內燃引擎的排氣之淨化方法
TWI457433B (zh) * 2008-01-30 2014-10-21 Chemetall Gmbh 將金屬表面施以一磷酸鹽層然後施以一潤滑劑層的方法
TWI457431B (zh) * 2008-01-30 2014-10-21 Chemetall Gmbh 將金屬表面施以一種潤滑劑組成物的方法
US8375701B2 (en) 2008-07-30 2013-02-19 Ford Global Technologies, Llc Hydrocarbon retaining and purging system
JP6366140B2 (ja) 2012-11-29 2018-08-01 国立大学法人九州大学 金属微粒子含有構造体

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2070958B (en) * 1980-03-10 1984-05-16 Johnson Matthey Co Ltd Exhaust gas purification catalysts
JPS605340B2 (ja) * 1980-04-07 1985-02-09 照雄 武井 オゾン分解触媒の製造方法
US4859648A (en) * 1984-12-28 1989-08-22 Mobil Oil Corporation Layered metal chalcogenides containing interspathic polymeric chalcogenides
ES8700962A1 (es) * 1984-12-31 1986-11-16 Armstrong World Ind Inc Procedimiento para preparar un material mineral floculado a base de silicatos
DE3544476A1 (de) * 1985-12-16 1987-06-19 Sued Chemie Ag Eisenhaltiger katalysator zur verringerung des stickoxidgehalts von verbrennungsabgasen
JPS62201648A (ja) * 1986-03-03 1987-09-05 Nippon Shokubai Kagaku Kogyo Co Ltd オゾン分解触媒
JPS644220A (en) * 1987-02-05 1989-01-09 Union Showa Kk Adsorbing and decomposing agent of ozone and usage thereof
IN170688B (de) * 1987-03-23 1992-05-02 Mobil Oil Corp
JPS644020A (en) * 1987-06-26 1989-01-09 Nippon Telegraph & Telephone X-ray mask
JP2552175B2 (ja) * 1987-07-14 1996-11-06 日揮ユニバーサル株式会社 オゾン分解触媒
EP0346007A1 (de) * 1988-06-09 1989-12-13 The British Petroleum Company p.l.c. Verfahren zur Aufarbeitung von leichtem Kreislauföl
JPH0263552A (ja) * 1988-08-30 1990-03-02 Nippon Shokubai Kagaku Kogyo Co Ltd オゾン分解用触媒
JPH0615016B2 (ja) * 1988-09-09 1994-03-02 トヨタ自動車株式会社 自動車排気ガス浄化装置
US5063039A (en) * 1988-09-19 1991-11-05 Mobil Oil Corp. Synthesis of kenyaite-type layered silicate material and its polymeric chalcogenide intercalates
JPH0675476B2 (ja) * 1989-07-19 1994-09-28 三洋電機株式会社 麺調理装置
US5102643A (en) * 1990-01-25 1992-04-07 Mobil Oil Corp. Composition of synthetic porous crystalline material, its synthesis
US5078979A (en) * 1990-07-20 1992-01-07 Uop Molecular sieve bed/catalyst to treat automotive exhaust
DE4026379A1 (de) * 1990-08-21 1992-02-27 Vaw Ver Aluminium Werke Ag Verfahren zur herstellung von schichtsilikaten des magadiit-typs
JP3307406B2 (ja) * 1991-01-14 2002-07-24 株式会社豊田中央研究所 層状シリカ−金属酸化物多孔体の製造方法
JPH074235A (ja) * 1993-06-18 1995-01-10 Daihatsu Motor Co Ltd 内燃機関の排気ガス浄化装置

Also Published As

Publication number Publication date
DE69322332D1 (de) 1999-01-14
EP0584737A1 (de) 1994-03-02
US5462905A (en) 1995-10-31
EP0584737B1 (de) 1998-12-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee