FI935750A0 - Katalyytti bensiinimoottorin pakokaasujen puhdistukseen ja menetelmä sen valmistamiseksi - Google Patents

Katalyytti bensiinimoottorin pakokaasujen puhdistukseen ja menetelmä sen valmistamiseksi

Info

Publication number
FI935750A0
FI935750A0 FI935750A FI935750A FI935750A0 FI 935750 A0 FI935750 A0 FI 935750A0 FI 935750 A FI935750 A FI 935750A FI 935750 A FI935750 A FI 935750A FI 935750 A0 FI935750 A0 FI 935750A0
Authority
FI
Finland
Prior art keywords
catalyst
preparation
engine exhaust
gasoline engine
exhaust purification
Prior art date
Application number
FI935750A
Other languages
English (en)
Swedish (sv)
Other versions
FI94843B (fi
FI94843C (fi
Inventor
Matti Haerkoenen
Matti Kivioja
Teuvo Maunula
Thomas Slotte
Original Assignee
Kemira Oy
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 Kemira Oy filed Critical Kemira Oy
Priority to FI935750A priority Critical patent/FI94843C/fi
Publication of FI935750A0 publication Critical patent/FI935750A0/fi
Priority to EP95903369A priority patent/EP0684873B1/en
Priority to DE69418185T priority patent/DE69418185T2/de
Priority to PCT/FI1994/000573 priority patent/WO1995017249A1/en
Publication of FI94843B publication Critical patent/FI94843B/fi
Application granted granted Critical
Publication of FI94843C publication Critical patent/FI94843C/fi

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
    • B01J23/63—Platinum group metals with rare earths or actinides
    • 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
    • B01J37/0242—Coating followed by impregnation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • 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)
FI935750A 1993-12-20 1993-12-20 Katalyytti bensiinimoottorin pakokaasujen puhdistukseen ja menetelmä sen valmistamiseksi FI94843C (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI935750A FI94843C (fi) 1993-12-20 1993-12-20 Katalyytti bensiinimoottorin pakokaasujen puhdistukseen ja menetelmä sen valmistamiseksi
EP95903369A EP0684873B1 (en) 1993-12-20 1994-12-19 Catalyst for the purification of gasoline engine exhaust gases and method for the preparation of the same
DE69418185T DE69418185T2 (de) 1993-12-20 1994-12-19 Katalysator für die reinigung von abgasen aus benzinmotoren und methode zur dessen herstellung
PCT/FI1994/000573 WO1995017249A1 (en) 1993-12-20 1994-12-19 Catalyst for the purification of gasoline engine exhaust gases and method for the preparation of the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI935750 1993-12-20
FI935750A FI94843C (fi) 1993-12-20 1993-12-20 Katalyytti bensiinimoottorin pakokaasujen puhdistukseen ja menetelmä sen valmistamiseksi

Publications (3)

Publication Number Publication Date
FI935750A0 true FI935750A0 (fi) 1993-12-20
FI94843B FI94843B (fi) 1995-07-31
FI94843C FI94843C (fi) 1995-11-10

Family

ID=8539154

Family Applications (1)

Application Number Title Priority Date Filing Date
FI935750A FI94843C (fi) 1993-12-20 1993-12-20 Katalyytti bensiinimoottorin pakokaasujen puhdistukseen ja menetelmä sen valmistamiseksi

Country Status (4)

Country Link
EP (1) EP0684873B1 (fi)
DE (1) DE69418185T2 (fi)
FI (1) FI94843C (fi)
WO (1) WO1995017249A1 (fi)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2140575B1 (fi) * 1971-06-11 1977-12-23 Grace W R Ltd
JPH0675676B2 (ja) * 1986-12-24 1994-09-28 トヨタ自動車株式会社 排気ガス浄化用触媒
US4791091A (en) * 1987-09-30 1988-12-13 Allied-Signal Inc. Catalyst for treatment of exhaust gases from internal combustion engines and method of manufacturing the catalyst
JP2773428B2 (ja) * 1990-11-28 1998-07-09 トヨタ自動車株式会社 排気ガス浄化方法

Also Published As

Publication number Publication date
FI94843B (fi) 1995-07-31
DE69418185T2 (de) 1999-11-11
WO1995017249A1 (en) 1995-06-29
EP0684873A1 (en) 1995-12-06
DE69418185D1 (de) 1999-06-02
EP0684873B1 (en) 1999-04-28
FI94843C (fi) 1995-11-10

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Legal Events

Date Code Title Description
BB Publication of examined application