BR8706397A - Suporte para um catalisador,processo para sua fabricacao e folha revestida - Google Patents

Suporte para um catalisador,processo para sua fabricacao e folha revestida

Info

Publication number
BR8706397A
BR8706397A BR878706397A BR8706397A BR8706397A BR 8706397 A BR8706397 A BR 8706397A BR 878706397 A BR878706397 A BR 878706397A BR 8706397 A BR8706397 A BR 8706397A BR 8706397 A BR8706397 A BR 8706397A
Authority
BR
Brazil
Prior art keywords
catalyst
manufacture
support
coated sheet
coated
Prior art date
Application number
BR878706397A
Other languages
English (en)
Inventor
William B Retallick
Richard C Cornelison
Original Assignee
Grace W R & 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 Grace W R & Co filed Critical Grace W R & Co
Publication of BR8706397A publication Critical patent/BR8706397A/pt

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
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/20—Carbon compounds
    • B01J27/22—Carbides
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/24—Nitrogen compounds
    • 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
    • B01J37/0238—Impregnation, coating or precipitation via the gaseous phase-sublimation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807—Metal other than sintered metal
    • F01N3/281—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/02—Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49982—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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49982—Coating
    • Y10T29/49986—Subsequent to metal working

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Catalysts (AREA)
BR878706397A 1987-03-24 1987-11-26 Suporte para um catalisador,processo para sua fabricacao e folha revestida BR8706397A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/029,661 US4829655A (en) 1987-03-24 1987-03-24 Catalyst support and method for making same

Publications (1)

Publication Number Publication Date
BR8706397A true BR8706397A (pt) 1988-10-04

Family

ID=21850200

Family Applications (1)

Application Number Title Priority Date Filing Date
BR878706397A BR8706397A (pt) 1987-03-24 1987-11-26 Suporte para um catalisador,processo para sua fabricacao e folha revestida

Country Status (7)

Country Link
US (1) US4829655A (pt)
EP (1) EP0283910A3 (pt)
JP (1) JPS63236545A (pt)
KR (1) KR880010822A (pt)
AU (1) AU1354188A (pt)
BR (1) BR8706397A (pt)
FI (1) FI881372A (pt)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4931421A (en) * 1988-06-27 1990-06-05 Motonobu Shibata Catalyst carriers and a method for producing the same
JP2651448B2 (ja) * 1988-07-06 1997-09-10 臼井国際産業株式会社 排気ガス浄化用触媒を担持するための金属製担持母体及びその製造方法
ATE124666T1 (de) * 1989-03-28 1995-07-15 Pechiney Recherche Herstellung von schwermetallkarbiden mit erhöhter spezifischer oberfläche.
FR2655879B2 (fr) * 1989-10-19 1992-02-28 Pechiney Electrometallurgie Application particuliere des carbures de metaux lourds a surface specifique elevee.
KR920007887B1 (ko) * 1989-08-29 1992-09-18 스즈키 지도오샤 고오교오 가부시키가이샤 내연기관의 배기가스 정화장치
FI89463C (fi) * 1991-01-03 1993-10-11 Kemira Oy Anvaendning av en nickelbaserad, aluminium innehaollande metallegering som substratmaterial foer en avgaser renande katalysator
US5204302A (en) * 1991-09-05 1993-04-20 Technalum Research, Inc. Catalyst composition and a method for its preparation
DE69322814T2 (de) * 1992-06-10 1999-08-26 Shimadzu Corp. Konstruktion einer katalytischen Auspuff-Gas-Reinigungs-Anlage
US5569455A (en) * 1992-06-10 1996-10-29 Shimadzu Corporation Exhaust gas catalytic purifier construction
US5519191A (en) * 1992-10-30 1996-05-21 Corning Incorporated Fluid heater utilizing laminar heating element having conductive layer bonded to flexible ceramic foil substrate
US5874153A (en) * 1994-02-04 1999-02-23 Emitec Gesellschaft Fuer Emissionstechnologie Mbh Zeolite-coatable metallic foil process for producing the metallic foil
DE4403500A1 (de) * 1994-02-04 1995-08-10 Emitec Emissionstechnologie Mit Zeolith beschichtbare metallische Folie
US5786031A (en) * 1995-06-07 1998-07-28 Engelhard Corporation Barrier for a metal substrate
FR2763259A1 (fr) * 1997-05-16 1998-11-20 Ecia Equip Composants Ind Auto Catalyseur en materiau composite, convertisseur muni d'un tel catalyseur et procede pour sa fabrication
US6015285A (en) * 1998-01-30 2000-01-18 Gas Research Institute Catalytic combustion process
US6451864B1 (en) 1999-08-17 2002-09-17 Battelle Memorial Institute Catalyst structure and method of Fischer-Tropsch synthesis
DE19957646A1 (de) * 1999-11-30 2001-05-31 Krupp Vdm Gmbh Verfahren zur Herstellung einer warmfesten Legierung mit guter Hochtemperaturoxidationsbeständigkeit
US6893619B1 (en) * 2000-09-13 2005-05-17 Ford Global Technologies, Llc Plate-frame heat exchange reactor with serial cross-flow geometry
US6821667B2 (en) * 2001-10-01 2004-11-23 Delphi Technologies, Inc. Fuel cell stack having foil interconnects and laminated spacers
US7008716B2 (en) 2001-10-01 2006-03-07 Delphi Technologies, Inc. Gasket material for a fuel cell
FR2830873B1 (fr) * 2001-10-16 2004-01-16 Snecma Moteurs Procede de protection par aluminisation de pieces metalliques constituees au moins en partie par une structure en nid d'abeilles
US7220699B2 (en) 2003-03-31 2007-05-22 Intelligent Energy, Inc. Catalyst incorporation in a microreactor
US7153586B2 (en) * 2003-08-01 2006-12-26 Vapor Technologies, Inc. Article with scandium compound decorative coating
SE527174C2 (sv) * 2003-12-30 2006-01-17 Sandvik Intellectual Property Metod för tillverkning av en austenitisk rostfri stållegering genom beläggning med aluminium samt dess användning i högtemperaturapplikationer
US20070026205A1 (en) 2005-08-01 2007-02-01 Vapor Technologies Inc. Article having patterned decorative coating
DE102007042618A1 (de) * 2007-09-07 2009-03-12 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren zur Erzeugung einer Oxidschicht auf einer metallischen Folie, Folie mit Oxidschicht und daraus hergestellter Wabenkörper
US9103022B2 (en) * 2007-10-01 2015-08-11 Southwest Research Institute Amorphous aluminum alloy coatings
DE102008055147A1 (de) * 2008-12-23 2010-07-01 Eisenwerk Erla Gmbh Verfahren zur Beschichtung von temperatur- und/oder heißmedienbeaufschlagten Bauteilen sowie heißmedien- und/oder temperaturbeaufschlagtes Bauteil
EP3666377B1 (en) * 2017-08-08 2021-11-10 Cataler Corporation Exhaust-gas-purifying metal substrate and exhaust gas purification device using same
CN111263661B (zh) * 2017-10-27 2023-05-30 株式会社科特拉 使用了金属基材的排气净化装置及其制造方法
JP6742457B1 (ja) * 2019-02-05 2020-08-19 株式会社キャタラー 排ガス浄化用のメタル基材及びそれを用いた排ガス浄化装置

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1636685A (en) * 1926-12-09 1927-07-26 Downs Charles Raymond Production of catalyst carrier
US3059326A (en) * 1957-04-26 1962-10-23 Chrysler Corp Oxidation resistant and ductile iron base aluminum alloys
GB949612A (en) * 1959-06-26 1964-02-12 Eaton Mfg Co A process for supplying a coating on at least a portion of a metallic surface and a metal article produced in such process
US3305323A (en) * 1963-02-08 1967-02-21 Nat Steel Corp Steel foil
US3362783A (en) * 1963-12-23 1968-01-09 Texaco Inc Treatment of exhaust gases
DE1717152A1 (de) * 1964-01-28 1972-01-05 Daido Steel Co Ltd Verfahren zur Herstellung eines Katalysators
US3437605A (en) * 1965-01-26 1969-04-08 Engelhard Ind Inc Method of preparing a supported catalyst
US3712856A (en) * 1970-12-02 1973-01-23 E Betz Metallic catalyst and aluminum oxide containing supports from acid leached alloys
US3867313A (en) * 1970-12-28 1975-02-18 Universal Oil Prod Co Nickel-free, all metal, catalyst element
GB1368333A (en) * 1971-08-12 1974-09-25 Nippon Kokan Kk Apparatus for manufacturing aluminum-coated steel strip
US4077913A (en) * 1971-10-28 1978-03-07 Johnson, Matthey & Co., Limited Catalyst
FR2182614B1 (pt) * 1972-03-17 1978-05-05 Louyot Comptoir Lyon Alemand
US3873472A (en) * 1972-10-28 1975-03-25 Kanegafuchi Chemical Ind Catalyst for the purification of exhaust gases and process for preparing the catalyst
US3907611A (en) * 1972-11-10 1975-09-23 Toyo Kogyo Co Method for making ferrous metal having highly improved resistances to corrosion at elevated temperatures and to oxidization
JPS4999982A (pt) * 1973-01-31 1974-09-20
US4056489A (en) * 1973-12-10 1977-11-01 Engelhard Minerals & Chemicals Corporation High temperature stable catalyst composition and method for its preparation
US3925579A (en) * 1974-05-24 1975-12-09 Armco Steel Corp Method of coating low alloy steels
US3994831A (en) * 1975-09-02 1976-11-30 Betz Erwin C Metallic catalyst support and catalytic metal coated on same
JPS5263123A (en) * 1975-11-19 1977-05-25 Toyo Kogyo Co Production method of reactor material having excellent deformation resistance
US4179412A (en) * 1977-03-14 1979-12-18 Hitachi Shipbuilding & Engineering Co., Ltd. Process for producing catalyst precursors for decomposing ammonia by oxidation and precursors produced by said process
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
US4162993A (en) * 1978-04-06 1979-07-31 Oxy-Catalyst, Inc. Metal catalyst support
US4190559A (en) * 1978-10-13 1980-02-26 Oxy-Catalyst, Inc. Metal catalyst support having rectangular cross-section
US4247422A (en) * 1979-03-26 1981-01-27 Ford Motor Company Metallic supported catalytic system and a method of making it
US4331631A (en) * 1979-11-28 1982-05-25 General Motors Corporation Enhanced oxide whisker growth on peeled Al-containing stainless steel foil
US4277374A (en) * 1980-01-28 1981-07-07 Allegheny Ludlum Steel Corporation Ferritic stainless steel substrate for catalytic system
US4301039A (en) * 1980-03-17 1981-11-17 Retallick William B Method of making a metal catalyst support
US4350617A (en) * 1981-04-20 1982-09-21 Retallick William B Cylindrical metal honeycomb catalyst supports, and method for forming them
US4425305A (en) * 1981-06-01 1984-01-10 Retallick William B Catalytic creosote burner for a wood stove
US4601999A (en) * 1983-11-09 1986-07-22 William B. Retallick Metal support for a catalyst
DE3344343A1 (de) * 1983-12-08 1985-06-13 Battelle-Institut E.V., 6000 Frankfurt Verfahren zur herstellung von schalenkatalysatoren
US4686155A (en) * 1985-06-04 1987-08-11 Armco Inc. Oxidation resistant ferrous base foil and method therefor
DE3533573A1 (de) * 1985-09-20 1987-03-26 Basf Ag Traegerkatalysator, verfahren zu seiner herstellung und seine verwendung
US4711009A (en) * 1986-02-18 1987-12-08 W. R. Grace & Co. Process for making metal substrate catalytic converter cores
US4673553A (en) * 1986-09-08 1987-06-16 Camet, Inc. Metal honeycomb catalyst support having a double taper

Also Published As

Publication number Publication date
AU1354188A (en) 1988-09-22
US4829655A (en) 1989-05-16
JPS63236545A (ja) 1988-10-03
EP0283910A2 (en) 1988-09-28
FI881372A0 (fi) 1988-03-22
EP0283910A3 (en) 1989-05-31
KR880010822A (ko) 1988-10-24
FI881372A (fi) 1988-09-25

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