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SE9302913L - Bilavgaskatalysator samt förfarande för framställning av densamma - Google Patents

Bilavgaskatalysator samt förfarande för framställning av densamma

Info

Publication number
SE9302913L
SE9302913L SE9302913A SE9302913A SE9302913L SE 9302913 L SE9302913 L SE 9302913L SE 9302913 A SE9302913 A SE 9302913A SE 9302913 A SE9302913 A SE 9302913A SE 9302913 L SE9302913 L SE 9302913L
Authority
SE
Sweden
Prior art keywords
hydroxide
platina
cerium
making
same
Prior art date
Application number
SE9302913A
Other languages
English (en)
Other versions
SE9302913D0 (sv
Inventor
Per Olsson
Original Assignee
Perstorp Ab
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 Perstorp Ab filed Critical Perstorp Ab
Priority to SE9302913A priority Critical patent/SE9302913L/sv
Publication of SE9302913D0 publication Critical patent/SE9302913D0/sv
Priority to PCT/SE1994/000808 priority patent/WO1995007138A1/en
Priority to AU76277/94A priority patent/AU7627794A/en
Publication of SE9302913L publication Critical patent/SE9302913L/sv

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
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts 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
    • B01J23/56Platinum group metals
    • B01J23/63Platinum group metals with rare earths or actinides
    • 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
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/0201Impregnation
    • 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
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/03Precipitation; Co-precipitation
    • B01J37/031Precipitation
    • 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)
  • 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)
SE9302913A 1993-09-09 1993-09-09 Bilavgaskatalysator samt förfarande för framställning av densamma SE9302913L (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9302913A SE9302913L (sv) 1993-09-09 1993-09-09 Bilavgaskatalysator samt förfarande för framställning av densamma
PCT/SE1994/000808 WO1995007138A1 (en) 1993-09-09 1994-09-02 A process for the production of a catalyst for purification of exhaust gases
AU76277/94A AU7627794A (en) 1993-09-09 1994-09-02 A process for the production of a catalyst for purification of exhaust gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9302913A SE9302913L (sv) 1993-09-09 1993-09-09 Bilavgaskatalysator samt förfarande för framställning av densamma

Publications (2)

Publication Number Publication Date
SE9302913D0 SE9302913D0 (sv) 1993-09-09
SE9302913L true SE9302913L (sv) 1995-03-10

Family

ID=20391027

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9302913A SE9302913L (sv) 1993-09-09 1993-09-09 Bilavgaskatalysator samt förfarande för framställning av densamma

Country Status (3)

Country Link
AU (1) AU7627794A (sv)
SE (1) SE9302913L (sv)
WO (1) WO1995007138A1 (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114230080B (zh) * 2021-12-24 2024-05-24 云南科力环保股份公司 一种铂贵金属废水零排放处理方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3887740A (en) * 1972-05-01 1975-06-03 Corning Glass Works Process for depositing oxide coatings
US4001143A (en) * 1975-04-08 1977-01-04 E. I. Du Pont De Nemours And Company Catalyst preparation
GB1568370A (en) * 1975-10-31 1980-05-29 Johnson Matthey Co Ltd Catalysis
DE3902913A1 (de) * 1989-02-01 1990-08-09 Degussa Traegermaterial fuer platingruppenmetall-haltige dreiweg-katalysatoren mit verringerter neigung zur h(pfeil abwaerts)2(pfeil abwaerts)s-emission

Also Published As

Publication number Publication date
AU7627794A (en) 1995-03-27
SE9302913D0 (sv) 1993-09-09
WO1995007138A1 (en) 1995-03-16

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Legal Events

Date Code Title Description
NAV Patent application has lapsed

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