BR8404348A - Catalisador adequado para o controle de emissoes de veiculos automotores e processo para converter componentes nocivos de gas de exaustao em componentes inocuos - Google Patents

Catalisador adequado para o controle de emissoes de veiculos automotores e processo para converter componentes nocivos de gas de exaustao em componentes inocuos

Info

Publication number
BR8404348A
BR8404348A BR8404348A BR8404348A BR8404348A BR 8404348 A BR8404348 A BR 8404348A BR 8404348 A BR8404348 A BR 8404348A BR 8404348 A BR8404348 A BR 8404348A BR 8404348 A BR8404348 A BR 8404348A
Authority
BR
Brazil
Prior art keywords
components
innocent
emissions
exhaust gas
control
Prior art date
Application number
BR8404348A
Other languages
English (en)
Inventor
Carmo Josep Pereira
Gwan Kim
Louis Hegedus
James Michael Maselli
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
Priority claimed from US06/542,346 external-priority patent/US4510261A/en
Priority claimed from US06/542,440 external-priority patent/US4510262A/en
Application filed by Grace W R & Co filed Critical Grace W R & Co
Publication of BR8404348A publication Critical patent/BR8404348A/pt

Links

Classifications

    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • 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
    • 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
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/656—Manganese, technetium or rhenium
    • B01J23/6562—Manganese
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/613—10-100 m2/g
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/615—100-500 m2/g
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/635—0.5-1.0 ml/g
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • B01J35/647—2-50 nm
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • B01J35/651—50-500 nm
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • B01J35/653—500-1000 nm
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/66—Pore distribution
    • B01J35/69—Pore distribution bimodal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
BR8404348A 1983-10-17 1984-08-30 Catalisador adequado para o controle de emissoes de veiculos automotores e processo para converter componentes nocivos de gas de exaustao em componentes inocuos BR8404348A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/542,346 US4510261A (en) 1983-10-17 1983-10-17 Catalyst with high geometric surface area
US06/542,440 US4510262A (en) 1983-10-17 1983-10-17 Doubly promoted catalyst with high geometric surface area

Publications (1)

Publication Number Publication Date
BR8404348A true BR8404348A (pt) 1985-07-30

Family

ID=27067011

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8404348A BR8404348A (pt) 1983-10-17 1984-08-30 Catalisador adequado para o controle de emissoes de veiculos automotores e processo para converter componentes nocivos de gas de exaustao em componentes inocuos

Country Status (4)

Country Link
EP (1) EP0141998A1 (pt)
AU (1) AU571267B2 (pt)
BR (1) BR8404348A (pt)
CA (1) CA1218349A (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5171551A (en) * 1986-04-30 1992-12-15 Rhone-Poulenc Chimie Zirconium dioxide gas desulfurization catalyst
FR2608458B1 (fr) * 1986-12-23 1989-03-10 Rhone Poulenc Chimie Catalyseur a base d'oxyde de cerium et procede pour le traitement de gaz industriels contenant des composes du soufre
WO1996034074A1 (en) * 1995-04-24 1996-10-31 The Associated Octel Company Ltd. Improved combustion
GB9508248D0 (en) * 1995-04-24 1995-06-14 Ass Octel Process
GB9622026D0 (en) * 1996-10-24 1996-12-18 Ass Octel Fuel additives
JP4032652B2 (ja) 2001-02-23 2008-01-16 株式会社豊田中央研究所 複合酸化物粉末及びその製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3907710A (en) * 1973-04-18 1975-09-23 Grace W R & Co Hollow ceramic pellets for catalyst support
US4001143A (en) * 1975-04-08 1977-01-04 E. I. Du Pont De Nemours And Company Catalyst preparation
FR2328656A1 (fr) * 1975-10-22 1977-05-20 Azote & Prod Chim Nouveau catalyseur de reformage a la vapeur
FR2350141A1 (fr) * 1976-05-07 1977-12-02 Ceraver Structure ceramique de support de catalyseur
US4086158A (en) * 1976-09-24 1978-04-25 Gulf Research & Development Company Process for upgrading solids-containing liquid hydrocarbon oils
US4233187A (en) * 1979-03-26 1980-11-11 United Catalysts Inc. Catalyst and process for steam-reforming of hydrocarbons
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

Also Published As

Publication number Publication date
AU571267B2 (en) 1988-04-14
CA1218349A (en) 1987-02-24
AU3324184A (en) 1985-04-26
EP0141998A1 (en) 1985-05-22

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