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GB1369745A - Process of converting noxious components in the exhaust gas of and internal combustion engine to less harmful entities - Google Patents

Process of converting noxious components in the exhaust gas of and internal combustion engine to less harmful entities

Info

Publication number
GB1369745A
GB1369745A GB2887272A GB2887272A GB1369745A GB 1369745 A GB1369745 A GB 1369745A GB 2887272 A GB2887272 A GB 2887272A GB 2887272 A GB2887272 A GB 2887272A GB 1369745 A GB1369745 A GB 1369745A
Authority
GB
United Kingdom
Prior art keywords
oxidation
exhaust gas
combustion engine
internal combustion
reduction
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
Application number
GB2887272A
Other languages
English (en)
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.)
WR Grace and Co Conn
WR Grace and Co
Original Assignee
WR Grace and Co Conn
WR Grace and Co
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 WR Grace and Co Conn, WR Grace and Co filed Critical WR Grace and Co Conn
Publication of GB1369745A publication Critical patent/GB1369745A/en
Expired 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
    • B01D53/9445—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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/005—Spinels
    • 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble 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
    • 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)
GB2887272A 1971-07-20 1972-06-20 Process of converting noxious components in the exhaust gas of and internal combustion engine to less harmful entities Expired GB1369745A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16446571A 1971-07-20 1971-07-20

Publications (1)

Publication Number Publication Date
GB1369745A true GB1369745A (en) 1974-10-09

Family

ID=22594612

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2887272A Expired GB1369745A (en) 1971-07-20 1972-06-20 Process of converting noxious components in the exhaust gas of and internal combustion engine to less harmful entities

Country Status (5)

Country Link
DE (1) DE2233187A1 (de)
FR (1) FR2146440A1 (de)
GB (1) GB1369745A (de)
IT (1) IT962926B (de)
NL (1) NL7210062A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007049778A1 (ja) * 2005-10-24 2007-05-03 Toyota Jidosha Kabushiki Kaisha 触媒担体及び排ガス浄化用触媒
CN113117694A (zh) * 2021-04-20 2021-07-16 中国科学院生态环境研究中心 一种钴铝尖晶石负载Pd-Pt催化剂及其制备方法与应用

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX4509E (es) * 1975-08-27 1982-06-02 Engelhard Min & Chem Composicion catalitica mejorada para oxidar en forma simultanea hidrocarburos gascosos y monoxido de carbono y reducir oxidos de nitrogeno
DE2721574C3 (de) * 1977-05-13 1981-06-11 Giulini Chemie Gmbh, 6700 Ludwigshafen Verfahren zur Herstellung von Magnesiumspinell
DE2745188C3 (de) * 1977-10-07 1980-05-08 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Geformter Katalysator, Verfahren zu seiner Herstellung und Verwendung
DE3729126A1 (de) * 1987-09-01 1989-04-06 Mototech Motoren Umweltschutz Dieselruss-partikelfilter und verfahren zu seiner herstellung
DE3731889A1 (de) * 1987-09-01 1989-06-29 Mototech Motoren Umweltschutz Dieselruss-partikelfilter und verfahren zu seiner herstellung
FR2655878B1 (fr) * 1989-12-20 1994-03-25 Gaz De France Catalyseurs d'oxydation et procede de combustion utilisant de tels catalyseurs.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007049778A1 (ja) * 2005-10-24 2007-05-03 Toyota Jidosha Kabushiki Kaisha 触媒担体及び排ガス浄化用触媒
US7776783B2 (en) 2005-10-24 2010-08-17 Toyota Jidosha Kabushiki Kaisha Catalyst carrier and exhaust gas purification catalyst
CN113117694A (zh) * 2021-04-20 2021-07-16 中国科学院生态环境研究中心 一种钴铝尖晶石负载Pd-Pt催化剂及其制备方法与应用

Also Published As

Publication number Publication date
FR2146440A1 (de) 1973-03-02
NL7210062A (de) 1973-01-23
DE2233187A1 (de) 1973-02-08
IT962926B (it) 1973-12-31

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed