GB1420991A - Process for purifying exhaust gases from motor vehicles and industrial installations and catalyst for their production/ - Google Patents

Process for purifying exhaust gases from motor vehicles and industrial installations and catalyst for their production/

Info

Publication number
GB1420991A
GB1420991A GB1415673A GB1415673A GB1420991A GB 1420991 A GB1420991 A GB 1420991A GB 1415673 A GB1415673 A GB 1415673A GB 1415673 A GB1415673 A GB 1415673A GB 1420991 A GB1420991 A GB 1420991A
Authority
GB
United Kingdom
Prior art keywords
elements
catalyst
production
exhaust gases
motor vehicles
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
GB1415673A
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Publication of GB1420991A publication Critical patent/GB1420991A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24Chromium, molybdenum or tungsten
    • B01J23/26Chromium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/32Manganese, technetium or rhenium
    • B01J23/34Manganese
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85Chromium, molybdenum or tungsten
    • B01J23/86Chromium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89Catalysts 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
    • B01J23/8933Catalysts 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 also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8993Catalysts 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 also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with chromium, molybdenum or tungsten
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0018Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08Heat treatment
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
GB1415673A 1972-03-25 1973-03-23 Process for purifying exhaust gases from motor vehicles and industrial installations and catalyst for their production/ Expired GB1420991A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2214797A DE2214797B2 (de) 1972-03-25 1972-03-25 Verfahren zur Reinigung von Automobil- und Industrieabgasen

Publications (1)

Publication Number Publication Date
GB1420991A true GB1420991A (en) 1976-01-14

Family

ID=5840261

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1415673A Expired GB1420991A (en) 1972-03-25 1973-03-23 Process for purifying exhaust gases from motor vehicles and industrial installations and catalyst for their production/

Country Status (8)

Country Link
US (1) US3873471A (enExample)
JP (1) JPS4914368A (enExample)
CA (1) CA980090A (enExample)
DE (1) DE2214797B2 (enExample)
FR (1) FR2177998B3 (enExample)
GB (1) GB1420991A (enExample)
IT (1) IT977922B (enExample)
SE (1) SE393435B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006104A (en) * 1973-08-03 1977-02-01 Deutsche Texaco Aktiengesellschaft Process for converting γ-butyrolactone into tetrahydrofuran
FR2293965A1 (fr) * 1974-12-13 1976-07-09 Oxycatalyse Ste Fse Purification des gaz d'echappement des moteurs a explosion ou a combustion interne
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
DE2953866A1 (en) * 1979-10-03 1982-04-22 Acurex Corp Catalyst compositions,their method of formation and combustion processes using the catalyst compositions
US4295818A (en) * 1980-05-27 1981-10-20 United States Of America Catalytic monolith and method of its formulation
DK148123C (da) * 1980-12-02 1985-08-05 Passat 81 A S Centralvarmekedel med efterbraender
DE3275503D1 (en) * 1981-12-30 1987-04-09 Monsanto Co Attrition resistant metal/oxygen compositions
DE3502866A1 (de) * 1984-09-19 1986-03-20 Klaus Prof. Dr.rer.nat. 4430 Steinfurt Mangold Zweistufen-verfahren und vorrichtung zur reinigung von verbrennungsgasen
DE3510170A1 (de) * 1985-03-21 1986-09-25 Drache Keramikfilter Produktions-GmbH, 6252 Diez Verfahren zur herstellung eines abgas-reaktorkoerpers
US5141912A (en) * 1989-06-28 1992-08-25 W. R. Grace & Co.-Conn. Chrome/platinum/palladium catalyst for hydrocarbon emission control
JP5133500B2 (ja) * 2002-08-22 2013-01-30 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー コバルト置換酸化クロム組成物、それらの製造、および触媒および触媒前駆物質としてのそれらの使用
TWI857122B (zh) * 2019-08-30 2024-10-01 瑞士商克萊瑞特國際股份有限公司 膨脹型阻燃透明塗料調和物及其用途

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1283247B (de) * 1965-09-24 1968-11-21 Degussa Oxydationskatalysator zur Verwendung bei erhoehter Temperatur, insbesondere fuer die Reinigung von Abgasen aus Verbrennungsmotoren und Industrieanlagen
US3787322A (en) * 1971-01-25 1974-01-22 Laporte Industries Ltd Catalyst for purification of exhaust gases from motor vehicles and industrial plants
US3755534A (en) * 1971-08-12 1973-08-28 Grace W R & Co Catalytic control of auto exhaust emissions

Also Published As

Publication number Publication date
SE393435B (sv) 1977-05-09
CA980090A (en) 1975-12-23
US3873471A (en) 1975-03-25
DE2214797B2 (de) 1975-03-20
FR2177998A1 (enExample) 1973-11-09
FR2177998B3 (enExample) 1976-03-19
DE2214797A1 (de) 1973-10-04
IT977922B (it) 1974-09-20
JPS4914368A (enExample) 1974-02-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee