FI96747B - Katalysator med minskad svavelväteemission för rening av avgaser från förbränningsmotorn samt framställning och användning därav - Google Patents

Katalysator med minskad svavelväteemission för rening av avgaser från förbränningsmotorn samt framställning och användning därav Download PDF

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Publication number
FI96747B
FI96747B FI894228A FI894228A FI96747B FI 96747 B FI96747 B FI 96747B FI 894228 A FI894228 A FI 894228A FI 894228 A FI894228 A FI 894228A FI 96747 B FI96747 B FI 96747B
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Finland
Prior art keywords
catalyst
weight
carrier
support
platinum
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FI894228A
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English (en)
Finnish (fi)
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FI894228A0 (sv
FI96747C (sv
FI894228A (sv
Inventor
Bernd Engler
Egbert Lox
Edgar Koberstein
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Degussa
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Publication of FI894228A0 publication Critical patent/FI894228A0/sv
Publication of FI894228A publication Critical patent/FI894228A/sv
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Publication of FI96747C publication Critical patent/FI96747C/sv

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    • 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
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • 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
    • B01J23/60—Platinum group metals with zinc, cadmium or mercury
    • 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
    • B01J23/8933—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 also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8953—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 also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with zinc, cadmium or mercury
    • 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

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  • 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)

Claims (4)

1. Katalysator för rengöring av avgaser frän för-bränningsmotorer, vilken som bärare innehäller aluminium- 5 oxid ur övergängsserien, innehällande 2-70 vikt-% Ce02 och 0,6 - 20 vikt-% Zr02, och vilken katalysator har en pä bärarämnet utbredd aktiv fas innehällande 0,01 - 3 vikt-% platina, palladium och/eller rhodium, varvid viktförhäl-landet mellan platina och/eller palladium och eventuellt 10 närvarande rhodiumin är 2:1 - 30:1, varvid katalysatorn eventuellt föreligger i form av ett överdrag pä ett ho-nungscellformat, inert, keramiskt eller metalliskt bärar-stycke eller pä ytan av ett skumkeramiskt bärarstycke 5 -30 vikt-%, i förhällande tili bärarstyckets vikt, k ä n -15 netecknad därav, att katalysatorn innehäller 0,1 - 40, företrädesvis 0,5 - 20 vikt-% ZnO, beräknat pä A1203.
2. Katalysator enligt patentkrav 1, k ä n netecknad därav, att den förutom Ce02 och Zr02 som bärarmaterial modifierande komponenter innehäller 0,5 - 20 20 vikt-% Fe203, BaO, CaO, La203 och/eller andra sällsynta j ordartsmetalloxider.
3. Förfarande för framställning av katalysatorer enligt patentkrav 1 eller 2, kännetecknat därav, att man impregnerar ett eventuellt gitterstabilise- 25 rat bärarämne med en vattenlösning av ceriumsalt och zir-koniumsualt eller man blandar ett eventuellt gitterstabi-liserat bärarämne med en vattensuspension av deras oxider, hydroxider eller karbonater och glödgar därefter i luft vid 500 - 900 °C samt därefter impregnerar bärarämne med 30 en vattenlösning av ädelmetallsalter, torkar och behand- lar, eventuellt i en väte innehällande gasström, vid en temperatur pä 250 - 650 °C, varvid ZnO-halten ästadkommes genom att man impregnerar bärarämnet med zinksalt samt cerium- och eventuellt zirkoniumsalt eller man impregnerar 35 det redan färdigt Ce02 och Zr02 innehällande bärarämnet 96747 Innan man tillsätter ädelmetallkomponenterna, med en zink-haltig förening, eller t.o.m. genom att man efterimpregne-rar den färdiga katalysatorn med en löst zinkhaltig förening, sanrt alltid torkar och aktiverar termiskr vid en 5 temperatur pä 150 - 650 °C.
4. Användning av katalysatorer enligt patentkrav 1 eller 2, som oxidations- och/eller reduktionskatalysatorer tili rengöring av avgaser frän förbränningsmotorer under förminskning av svavelväteutsläpp.
FI894228A 1988-09-07 1989-09-07 Katalysator med minskad svavelväteemission för rening av avgaser från förbränningsmotorn samt framställning och användning därav FI96747C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3830319 1988-09-07
DE3830319A DE3830319C1 (sv) 1988-09-07 1988-09-07

Publications (4)

Publication Number Publication Date
FI894228A0 FI894228A0 (sv) 1989-09-07
FI894228A FI894228A (sv) 1990-03-08
FI96747B true FI96747B (sv) 1996-05-15
FI96747C FI96747C (sv) 1996-08-26

Family

ID=6362407

Family Applications (1)

Application Number Title Priority Date Filing Date
FI894228A FI96747C (sv) 1988-09-07 1989-09-07 Katalysator med minskad svavelväteemission för rening av avgaser från förbränningsmotorn samt framställning och användning därav

Country Status (10)

Country Link
US (1) US5045521A (sv)
EP (1) EP0358124B1 (sv)
JP (1) JP3130903B2 (sv)
KR (1) KR900004401A (sv)
BR (1) BR8904335A (sv)
CA (1) CA1335279C (sv)
DE (2) DE3830319C1 (sv)
ES (1) ES2014394T3 (sv)
FI (1) FI96747C (sv)
ZA (1) ZA895688B (sv)

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JP2716205B2 (ja) * 1989-05-08 1998-02-18 株式会社日本触媒 排ガス浄化用触媒
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
DE4110054C2 (de) * 1991-03-27 1996-09-12 Degussa Verwendung eines gasdurchlässigen Körpers aus metallischem Nickel oder mit Nickelbeschichtung zur Vermeidung von H¶2¶S-Emissionen bei der katalytischen Autoabgasreinigung
CA2064977C (en) * 1991-04-05 1998-09-22 Eiichi Shiraishi Catalyst for purifying exhaust gas
US5683969A (en) * 1992-05-12 1997-11-04 American Superconductor Corporation Strongly-linked oxide superconductor and a method of its manufacture
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.
AU695953B2 (en) * 1995-02-02 1998-08-27 University Court Of The University Of Dundee, The Catalyst
FR2730175B1 (fr) * 1995-02-03 1997-04-04 Inst Francais Du Petrole Catalyseurs de reduction des oxydes d'azote en azote moleculaire dans un milieu surstoechiometrique en composes oxydants, procede de preparation et utilisations
AU718321B2 (en) * 1995-05-05 2000-04-13 W.R. Grace & Co.-Conn. Compositions for reduced NOx and combustion promotion in FCC processes
JP3498453B2 (ja) * 1995-11-27 2004-02-16 日産自動車株式会社 排気ガス浄化用触媒及びその製造方法
CN1075400C (zh) * 1996-12-12 2001-11-28 北京科技大学 汽车尾气氧化氮净化用催化剂
JP3239156B2 (ja) * 1997-11-12 2001-12-17 株式会社次世代排ガス触媒研究所 排ガス浄化触媒およびその製造方法
DE19908394A1 (de) 1999-02-26 2000-08-31 Degussa Katalysatormaterial und Verfahren zu seiner Herstellung
US6528451B2 (en) 2001-03-13 2003-03-04 W.R. Grace & Co.-Conn. Catalyst support material having high oxygen storage capacity and method of preparation thereof
US7022644B2 (en) 2002-02-20 2006-04-04 Engelhard Corporation Hydrogen sulfide-suppressing catalyst compositions
JP4236488B2 (ja) * 2003-03-13 2009-03-11 株式会社キャタラー 排ガス浄化用触媒
US7316806B2 (en) * 2003-10-29 2008-01-08 Nippon Shokubai Co., Ltd. Modifying catalyst for partial oxidation and method for modification
DE102004043421A1 (de) * 2004-09-06 2006-03-23 W.C. Heraeus Gmbh Katalysator für 2-Takt-Motoren oder Kleinmotoren
JP2006159021A (ja) 2004-12-03 2006-06-22 Toyota Motor Corp 排ガス浄化用触媒
JP4852595B2 (ja) * 2008-03-12 2012-01-11 本田技研工業株式会社 排ガス浄化触媒
EP2285737A2 (de) * 2008-04-22 2011-02-23 Basf Se Verfahren zum prereforming von ethanol
FR2970881B1 (fr) * 2011-01-31 2015-03-20 IFP Energies Nouvelles Catalyseur thioresistant, procede de fabrication et utilisation en hydrogenation selective
JP5677682B2 (ja) * 2012-03-30 2015-02-25 本田技研工業株式会社 排気浄化触媒
CN105188919B (zh) * 2013-03-12 2018-11-06 巴斯夫公司 用于no氧化的催化剂材料
EP2878368B1 (en) * 2013-11-29 2019-05-22 Umicore Ag & Co. Kg Oxygen storage materials
EP2878359B1 (en) * 2013-11-29 2016-04-13 Umicore Ag & Co. Kg Use of mixed oxides as oxygen storage components
CN109806763A (zh) * 2019-03-07 2019-05-28 内蒙古科技大学 一种煤燃烧高温烟气脱硝的方法

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US4088607A (en) * 1974-01-19 1978-05-09 Kali-Chemie Aktiengessellschaft Catalyst and method of preparing same
DE2402519C3 (de) * 1974-01-19 1980-10-09 Kali-Chemie Ag, 3000 Hannover Autoabgasreinigungs-Katalysator
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FR2572308B1 (fr) * 1984-10-30 1993-05-07 Pro Catalyse Procede de preparation d'un catalyseur pour le traitement des gaz d'echappement des moteurs a combustion interne
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DE3830318A1 (de) * 1988-09-07 1990-03-15 Degussa Abgaskatalysator mit verminderter neigung zu speicherung von schwefeloxiden und schwefelwasserstoffemission

Also Published As

Publication number Publication date
FI894228A0 (sv) 1989-09-07
EP0358124A3 (en) 1990-08-22
FI96747C (sv) 1996-08-26
DE58905952D1 (de) 1993-11-25
ES2014394T3 (es) 1994-02-01
ZA895688B (en) 1990-04-25
US5045521A (en) 1991-09-03
BR8904335A (pt) 1990-04-17
FI894228A (sv) 1990-03-08
EP0358124B1 (de) 1993-10-20
CA1335279C (en) 1995-04-18
JP3130903B2 (ja) 2001-01-31
JPH02111441A (ja) 1990-04-24
EP0358124A2 (de) 1990-03-14
KR900004401A (ko) 1990-04-12
ES2014394A4 (es) 1990-07-16
DE3830319C1 (sv) 1989-07-20

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Owner name: DEGUSSA AKTIENGESELLSCHAFT