IT1007921B - Catalizzatore per gas di scarico di automobili e supporto per cata lizzatore con elevata area super ficiale - Google Patents

Catalizzatore per gas di scarico di automobili e supporto per cata lizzatore con elevata area super ficiale

Info

Publication number
IT1007921B
IT1007921B IT21408/74A IT2140874A IT1007921B IT 1007921 B IT1007921 B IT 1007921B IT 21408/74 A IT21408/74 A IT 21408/74A IT 2140874 A IT2140874 A IT 2140874A IT 1007921 B IT1007921 B IT 1007921B
Authority
IT
Italy
Prior art keywords
ficiale
lyzer
cata
catalyst
support
Prior art date
Application number
IT21408/74A
Other languages
English (en)
Original Assignee
Wb Grace And 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 Wb Grace And Co filed Critical Wb Grace And Co
Application granted granted Critical
Publication of IT1007921B publication Critical patent/IT1007921B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/634—Polymers
    • C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B35/63408—Polyalkenes
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • 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
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • 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
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0018—Addition 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)
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/634—Polymers
    • 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
    • F01N3/2825—Ceramics
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
    • Y10S502/524—Spinel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
IT21408/74A 1973-04-18 1974-04-12 Catalizzatore per gas di scarico di automobili e supporto per cata lizzatore con elevata area super ficiale IT1007921B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US352165A US3907710A (en) 1973-04-18 1973-04-18 Hollow ceramic pellets for catalyst support

Publications (1)

Publication Number Publication Date
IT1007921B true IT1007921B (it) 1976-10-30

Family

ID=23384054

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21408/74A IT1007921B (it) 1973-04-18 1974-04-12 Catalizzatore per gas di scarico di automobili e supporto per cata lizzatore con elevata area super ficiale

Country Status (7)

Country Link
US (1) US3907710A (it)
JP (1) JPS5051991A (it)
CA (1) CA989808A (it)
DE (1) DE2418403A1 (it)
FR (1) FR2226256B1 (it)
GB (1) GB1474553A (it)
IT (1) IT1007921B (it)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51151290A (en) * 1975-06-20 1976-12-25 Asahi Glass Co Ltd Cylindrical ceramics for catalyst carrier and method of making thereof
FR2328656A1 (fr) * 1975-10-22 1977-05-20 Azote & Prod Chim Nouveau catalyseur de reformage a la vapeur
US4267086A (en) * 1976-01-07 1981-05-12 Ford Motor Company Sacraficial binders for molding particulate solids
US4265794A (en) 1976-01-07 1981-05-05 Ford Motor Company Moldable mixture of sacrificial binder and sinterable particulate solids
FR2350141A1 (fr) * 1976-05-07 1977-12-02 Ceraver Structure ceramique de support de catalyseur
US4260524A (en) * 1979-05-24 1981-04-07 Sumitomo Aluminium Smelting Company, Limited Hollow catalyst carrier and hollow catalyst made of transition-alumina and process for production thereof
US4460704A (en) * 1980-06-15 1984-07-17 Imperial Chemical Industries Plc Catalyst for the production of hydrogen
EP0045126B1 (en) * 1980-06-25 1984-12-05 Imperial Chemical Industries Plc Catalytic process for producing hydrogen
JPS5912115A (ja) * 1982-07-13 1984-01-21 Samukomu Electron Kk 自動車排ガス浄化用触媒
GB2142690B (en) * 1983-03-25 1987-02-18 Toto Ltd Sliding guide
US4474731A (en) * 1983-03-28 1984-10-02 International Business Machines Corporation Process for the removal of carbon residues during sintering of ceramics
US4541995A (en) * 1983-10-17 1985-09-17 W. R. Grace & Co. Process for utilizing doubly promoted catalyst with high geometric surface area
US4510261A (en) * 1983-10-17 1985-04-09 W. R. Grace & Co. Catalyst with high geometric surface area
US4541996A (en) * 1983-10-17 1985-09-17 W. R. Grace & Co. Process for utilizing catalyst with high geometric surface area
US4510262A (en) * 1983-10-17 1985-04-09 W. R. Grace & Co. Doubly promoted catalyst with high geometric surface area
CA1218349A (en) * 1983-10-17 1987-02-24 Gwan Kim Catalyst with high geometric surface area
US4510263A (en) * 1983-10-17 1985-04-09 W. R. Grace & Co. Catalyst with high geometric surface area alumina extrudate and catalyst with high geometric surface area
EP0296285B1 (en) * 1987-06-24 1992-07-29 The Dow Chemical Company A dehydrogenation catalyst having improved moisture stability and a process for making the same
US4631267A (en) * 1985-03-18 1986-12-23 Corning Glass Works Method of producing high-strength high surface area catalyst supports
US4810463A (en) * 1986-09-12 1989-03-07 Syracuse University Process for forming sintered ceramic articles
US4705767A (en) * 1986-12-15 1987-11-10 W. R. Grace & Co. Sulfactants in acid-peptized catalyst compositions
JP2592490B2 (ja) * 1988-03-26 1997-03-19 株式会社日本触媒 芳香族炭化水素の酸化方法
US4826799A (en) * 1988-04-14 1989-05-02 W. R. Grace & Co.-Conn. Shaped catalyst and process for making it
DE3932882A1 (de) * 1989-10-02 1991-04-11 Siemens Ag Gut waermeleitender verbundwerkstoff
DE4138273A1 (de) * 1991-11-21 1993-05-27 Abb Patent Gmbh Verfahren zur herstellung eines keramischen brennstoffzellentraegers
ZA96131B (en) * 1995-02-01 1996-07-30 Norton Chem Process Prod Catalyst carrier
AU6100896A (en) 1995-06-07 1996-12-30 W.R. Grace & Co.-Conn. Heat exchange media in regenerative thermal oxidizers
US6302188B1 (en) 1998-04-28 2001-10-16 Megtec Systems, Inc. Multi-layer heat exchange bed containing structured media and randomly packed media
US6573213B1 (en) * 1999-07-16 2003-06-03 Degussa Ag Metal catalysts
US6558533B2 (en) 2001-04-13 2003-05-06 W.R. Grace & Co.-Conn Process for sulfur removal from hydrocarbon liquids
US20040170804A1 (en) * 2002-02-28 2004-09-02 Niknafs Hassan S. Ceramic packing element with enlarged fluid flow passages
US6699562B2 (en) 2002-02-28 2004-03-02 Saint-Gobain Corporation Ceramic packing element
US7993599B2 (en) * 2006-03-03 2011-08-09 Zeropoint Clean Tech, Inc. Method for enhancing catalyst selectivity

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2408164A (en) * 1942-04-25 1946-09-24 Phillips Petroleum Co Catalyst preparation
US3166382A (en) * 1962-09-07 1965-01-19 Universal Oil Prod Co Converter-muffler
US3565830A (en) * 1963-02-07 1971-02-23 Engelhard Min & Chem Coated film of catalytically active oxide on a refractory support
US3538020A (en) * 1966-09-23 1970-11-03 Kata Mfg & Filtering Co The Fluid purification device containing a cartridge of polymer entrapped aggregate particles
US3554929A (en) * 1967-06-08 1971-01-12 Du Pont High surface area alumina coatings on catalyst supports
US3681260A (en) * 1968-12-26 1972-08-01 Texaco Inc Catalyst and method of making same
US3644098A (en) * 1969-09-18 1972-02-22 Universal Oil Prod Co Catalytic converter for exhaust gases
US3741725A (en) * 1971-08-12 1973-06-26 J Graham Catalytic control of auto exhaust emissions
US3776859A (en) * 1972-02-28 1973-12-04 Grace W R & Co Automotive exhaust conversion catalyst

Also Published As

Publication number Publication date
DE2418403A1 (de) 1974-10-31
US3907710A (en) 1975-09-23
CA989808A (en) 1976-05-25
FR2226256A1 (it) 1974-11-15
GB1474553A (en) 1977-05-25
JPS5051991A (it) 1975-05-09
FR2226256B1 (it) 1977-10-07

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