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BR8900700A - Processo para purificacao de gas de descarga e processo para producao de catalisador de purificacao de gas de descarga - Google Patents

Processo para purificacao de gas de descarga e processo para producao de catalisador de purificacao de gas de descarga

Info

Publication number
BR8900700A
BR8900700A BR898900700A BR8900700A BR8900700A BR 8900700 A BR8900700 A BR 8900700A BR 898900700 A BR898900700 A BR 898900700A BR 8900700 A BR8900700 A BR 8900700A BR 8900700 A BR8900700 A BR 8900700A
Authority
BR
Brazil
Prior art keywords
gas purification
discharge gas
purification catalyst
catalyst process
discharge
Prior art date
Application number
BR898900700A
Other languages
English (en)
Inventor
Masaki Funabiki
Kunihide Kayano
Teiji Yamada
Original Assignee
Engelhard 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
Application filed by Engelhard Corp filed Critical Engelhard Corp
Publication of BR8900700A publication Critical patent/BR8900700A/pt

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
    • B01J23/54—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
    • 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
    • B01J23/63—Platinum group metals with rare earths or actinides
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
BR898900700A 1988-02-18 1989-02-17 Processo para purificacao de gas de descarga e processo para producao de catalisador de purificacao de gas de descarga BR8900700A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63034060A JPH01210032A (ja) 1988-02-18 1988-02-18 排気ガス浄化用触媒及びその製造方法

Publications (1)

Publication Number Publication Date
BR8900700A true BR8900700A (pt) 1989-10-17

Family

ID=12403730

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898900700A BR8900700A (pt) 1988-02-18 1989-02-17 Processo para purificacao de gas de descarga e processo para producao de catalisador de purificacao de gas de descarga

Country Status (6)

Country Link
EP (1) EP0329302A3 (pt)
JP (1) JPH01210032A (pt)
KR (1) KR0153448B1 (pt)
AU (1) AU615721B2 (pt)
BR (1) BR8900700A (pt)
FI (1) FI890778A (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1334962C (en) * 1988-04-14 1995-03-28 Tomohisa Ohata Catalyst for purifying exhaust gas and method for production thereof
CA2064977C (en) * 1991-04-05 1998-09-22 Eiichi Shiraishi Catalyst for purifying exhaust gas
JP2698284B2 (ja) * 1991-04-22 1998-01-19 株式会社日本触媒 排気ガス浄化用触媒
FR2720296B1 (fr) * 1994-05-27 1996-07-12 Rhone Poulenc Chimie Composés à base d'alumine, d'oxyde de cérium et d'oxyde de zirconium à réductibilité élevée, leur procédé de préparation et leur utilisation dans la préparation de catalyseurs.
JP3353480B2 (ja) * 1994-08-23 2002-12-03 日産自動車株式会社 排気ガス浄化用触媒システム
US6044644A (en) * 1994-12-06 2000-04-04 Engelhard Corporation Close coupled catalyst
US6087298A (en) * 1996-05-14 2000-07-11 Engelhard Corporation Exhaust gas treatment system
US5981427A (en) * 1996-09-04 1999-11-09 Engelhard Corporation Catalyst composition
US5948377A (en) * 1996-09-04 1999-09-07 Engelhard Corporation Catalyst composition
US5948723A (en) * 1996-09-04 1999-09-07 Engelhard Corporation Layered catalyst composite
US5898014A (en) * 1996-09-27 1999-04-27 Engelhard Corporation Catalyst composition containing oxygen storage components
US6248688B1 (en) 1996-09-27 2001-06-19 Engelhard Corporation Catalyst composition containing oxygen storage components
US5753192A (en) * 1996-11-29 1998-05-19 Ford Global Technologies, Inc. Zirconia and sulfate in NOx traps to improved trapping and sulfur tolerance
TW442324B (en) 1996-12-06 2001-06-23 Engelhard Corp Catalytic metal plate
US6921738B2 (en) * 1996-12-06 2005-07-26 Engelhard Corporation Catalytic metal plate
EP1319436B1 (en) * 2000-09-08 2009-04-15 Ngk Insulators, Ltd. Method for producing catalyst body and carrier having alumina carried thereon
KR100713298B1 (ko) * 2005-09-08 2007-05-04 한화석유화학 주식회사 내열성이 우수한 금속산화물 및 이의 제조방법
FR2901155B1 (fr) * 2006-05-16 2008-10-10 Rhodia Recherches & Tech Compositions utilisees notamment pour le piegeage d'oxydes d'azote (nox)
JPWO2010103870A1 (ja) * 2009-03-09 2012-09-13 第一稀元素化学工業株式会社 排気ガス浄化触媒、それを用いた排気ガス浄化装置、及び排気ガス浄化方法
KR102016136B1 (ko) 2017-11-15 2019-08-29 박경일 유지보수가 용이한 등기구의 조립구조

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137634B2 (pt) * 1972-01-18 1976-10-16
US4056489A (en) * 1973-12-10 1977-11-01 Engelhard Minerals & Chemicals Corporation High temperature stable catalyst composition and method for its preparation
DE2907106C2 (de) * 1979-02-23 1985-12-19 Degussa Ag, 6000 Frankfurt Abgaskatalysator und seine Verwendung zur Reinigung der Abgase von Verbrennungskraftmaschinen
FR2546078B1 (fr) * 1983-05-19 1987-05-07 Pro Catalyse Procede de fabrication de catalyseurs pour le traitement des gaz d'echappement des moteurs a combustion interne
JPS60110334A (ja) * 1983-11-21 1985-06-15 Nissan Motor Co Ltd 排ガス浄化用触媒の製造方法
US4857499A (en) * 1987-03-20 1989-08-15 Kabushiki Kaisha Toshiba High temperature combustion catalyst and method for producing the same
JP2537239B2 (ja) * 1987-08-28 1996-09-25 エヌ・イーケムキヤツト 株式会社 耐熱性に優れた内燃機関排気ガス浄化用触媒及びその製造方法

Also Published As

Publication number Publication date
JPH01210032A (ja) 1989-08-23
EP0329302A3 (en) 1990-05-09
FI890778A0 (fi) 1989-02-17
KR0153448B1 (ko) 1998-11-16
EP0329302A2 (en) 1989-08-23
AU2974789A (en) 1989-08-24
JPH0543415B2 (pt) 1993-07-01
AU615721B2 (en) 1991-10-10
FI890778A (fi) 1989-08-19
KR890012694A (ko) 1989-09-18

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Legal Events

Date Code Title Description
FA2 Application deemed withdrawn (art. 19(5))
B15K Others concerning applications: alteration of classification

Ipc: B01D 53/94 (2006.01), B01J 23/58 (2006.0