FR2253560B1 - - Google Patents

Info

Publication number
FR2253560B1
FR2253560B1 FR7440501A FR7440501A FR2253560B1 FR 2253560 B1 FR2253560 B1 FR 2253560B1 FR 7440501 A FR7440501 A FR 7440501A FR 7440501 A FR7440501 A FR 7440501A FR 2253560 B1 FR2253560 B1 FR 2253560B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7440501A
Other versions
FR2253560A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Engelhard Minerals and Chemicals Corp
Original Assignee
Engelhard Minerals and Chemicals Corp
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 Minerals and Chemicals Corp filed Critical Engelhard Minerals and Chemicals Corp
Publication of FR2253560A1 publication Critical patent/FR2253560A1/fr
Application granted granted Critical
Publication of FR2253560B1 publication Critical patent/FR2253560B1/fr
Expired legal-status Critical Current

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)
FR7440501A 1973-12-10 1974-12-10 Expired FR2253560B1 (fr)

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 (2)

Publication Number Publication Date
FR2253560A1 FR2253560A1 (fr) 1975-07-04
FR2253560B1 true FR2253560B1 (fr) 1981-08-07

Family

ID=27411393

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7440501A Expired FR2253560B1 (fr) 1973-12-10 1974-12-10

Country Status (9)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2357304A1 (fr) * 1975-10-22 1978-02-03 Atomic Energy Authority Uk Procede de production de dispersions colloidales et de catalyseurs perfectionnes
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
DE3482094D1 (de) * 1983-07-01 1990-06-07 Hitachi Ltd Bei hoher temperatur stabiler katalysator, verfahren zu dessen herstellung und verfahren zur durchfuehrung von chemischen reaktionen unter dessen verwendung.
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
SE443727B (sv) 1986-03-10
AU500079B2 (en) 1979-05-10
IT1024367B (it) 1978-06-20
FR2253560A1 (fr) 1975-07-04
CH614391A5 (en) 1979-11-30
DE2458122A1 (de) 1975-06-12
SE7506286L (sv) 1975-06-02
JPS5099988A (fr) 1975-08-08
ES432719A1 (es) 1977-02-16
ES451362A1 (es) 1977-12-01
BR7410291A (pt) 1976-06-29
AU7616174A (en) 1976-06-10

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse