IT1024367B - Composizioni di catalizzatori per temperature elevate e metodo per la loro produzione ed applicazione - Google Patents

Composizioni di catalizzatori per temperature elevate e metodo per la loro produzione ed applicazione

Info

Publication number
IT1024367B
IT1024367B IT54425/74A IT5442574A IT1024367B IT 1024367 B IT1024367 B IT 1024367B IT 54425/74 A IT54425/74 A IT 54425/74A IT 5442574 A IT5442574 A IT 5442574A IT 1024367 B IT1024367 B IT 1024367B
Authority
IT
Italy
Prior art keywords
catalysts
compositions
production
application
high temperatures
Prior art date
Application number
IT54425/74A
Other languages
English (en)
Original Assignee
Engelhard Min & Chem
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 US05/423,093 external-priority patent/US3966391A/en
Priority claimed from US05/423,095 external-priority patent/US3945946A/en
Priority claimed from US05/423,114 external-priority patent/US3956188A/en
Application filed by Engelhard Min & Chem filed Critical Engelhard Min & Chem
Application granted granted Critical
Publication of IT1024367B publication Critical patent/IT1024367B/it

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
    • 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
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes 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
    • B01D53/864—Removing carbon monoxide or hydrocarbons
    • 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
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • 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
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24—Chromium, molybdenum or tungsten
    • 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
    • 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
    • B01J35/612—Surface area less than 10 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
    • B01J35/613—10-100 m2/g

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Gas Burners (AREA)
IT54425/74A 1973-12-10 1974-12-09 Composizioni di catalizzatori per temperature elevate e metodo per la loro produzione ed applicazione IT1024367B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/423,093 US3966391A (en) 1973-12-10 1973-12-10 Method of combustion using high temperature stable catalysts
US05/423,095 US3945946A (en) 1973-12-10 1973-12-10 Compositions and methods for high temperature stable catalysts
US05/423,114 US3956188A (en) 1973-12-10 1973-12-10 Compositions and methods for high temperature stable catalysts

Publications (1)

Publication Number Publication Date
IT1024367B true IT1024367B (it) 1978-06-20

Family

ID=27411393

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54425/74A IT1024367B (it) 1973-12-10 1974-12-09 Composizioni di catalizzatori per temperature elevate e metodo per la loro produzione ed applicazione

Country Status (9)

Country Link
JP (1) JPS5099988A (it)
AU (1) AU500079B2 (it)
BR (1) BR7410291A (it)
CH (1) CH614391A5 (it)
DE (1) DE2458122A1 (it)
ES (2) ES432719A1 (it)
FR (1) FR2253560B1 (it)
IT (1) IT1024367B (it)
SE (1) SE443727B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2647702A1 (de) * 1975-10-22 1977-04-28 Atomic Energy Authority Uk Katalysatoren und verfahren zu ihrer herstellung
MX3874E (es) * 1975-12-29 1981-08-26 Engelhard Min & Chem Mejoras en metodo para iniciar un sistema de combustion utilizando un catalizador
JPS59199042A (ja) * 1983-04-28 1984-11-12 Nissan Motor Co Ltd メタノ−ル改質用触媒
EP0130835B1 (en) * 1983-07-01 1990-05-02 Hitachi, Ltd. High temperature stable catalyst, process for preparing same and process for conducting chemical reaction using same
FR2697831B1 (fr) * 1992-11-12 1994-12-09 Rhone Poulenc Chimie Alumine stabilisée par du baryum et son procédé de préparation.
JP4982241B2 (ja) * 2007-04-27 2012-07-25 エヌ・イーケムキャット株式会社 自動車用排気ガス浄化触媒、排気ガス浄化触媒系、および排気ガスの浄化方法
US10921665B2 (en) * 2018-11-27 2021-02-16 HKC Corporation Limited Display panel and repair method for the display panel

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3694348A (en) * 1969-09-15 1972-09-26 Natalia Robertovna Bursian Process for the aromatization of hydrocarbons

Also Published As

Publication number Publication date
AU500079B2 (en) 1979-05-10
AU7616174A (en) 1976-06-10
JPS5099988A (it) 1975-08-08
DE2458122A1 (de) 1975-06-12
SE443727B (sv) 1986-03-10
FR2253560B1 (it) 1981-08-07
ES451362A1 (es) 1977-12-01
SE7506286L (sv) 1975-06-02
BR7410291A (pt) 1976-06-29
FR2253560A1 (it) 1975-07-04
ES432719A1 (es) 1977-02-16
CH614391A5 (en) 1979-11-30

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