FR2272733A1 - Catalysts for gas purifcn etc - of particles coated with non-agglomerated atomic layer of active metal and supported on a carrier - Google Patents

Catalysts for gas purifcn etc - of particles coated with non-agglomerated atomic layer of active metal and supported on a carrier

Info

Publication number
FR2272733A1
FR2272733A1 FR7505563A FR7505563A FR2272733A1 FR 2272733 A1 FR2272733 A1 FR 2272733A1 FR 7505563 A FR7505563 A FR 7505563A FR 7505563 A FR7505563 A FR 7505563A FR 2272733 A1 FR2272733 A1 FR 2272733A1
Authority
FR
France
Prior art keywords
catalysts
purifcn
agglomerated
active metal
carrier
Prior art date
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.)
Withdrawn
Application number
FR7505563A
Other languages
English (en)
French (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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 GB830374A external-priority patent/GB1492041A/en
Application filed by UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Publication of FR2272733A1 publication Critical patent/FR2272733A1/fr
Withdrawn legal-status Critical Current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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0215—Coating
    • B01J37/0225—Coating of metal substrates
    • B01J37/0226—Oxidation of the substrate, e.g. anodisation
    • 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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/006—Coating of the granules without description of the process or the device by which the granules are obtained
    • 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
    • B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
    • B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
    • B01J37/347—Ionic or cathodic spraying; Electric discharge
    • 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
    • B01J23/42—Platinum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
FR7505563A 1974-02-22 1975-02-21 Catalysts for gas purifcn etc - of particles coated with non-agglomerated atomic layer of active metal and supported on a carrier Withdrawn FR2272733A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB830474 1974-02-22
GB830374A GB1492041A (en) 1974-02-22 1974-02-22 Catalysts and treatment of ic engine exhaust gases
GB2098874 1974-05-13

Publications (1)

Publication Number Publication Date
FR2272733A1 true FR2272733A1 (en) 1975-12-26

Family

ID=27255184

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7505563A Withdrawn FR2272733A1 (en) 1974-02-22 1975-02-21 Catalysts for gas purifcn etc - of particles coated with non-agglomerated atomic layer of active metal and supported on a carrier

Country Status (7)

Country Link
DE (1) DE2507636A1 (it)
ES (1) ES434942A1 (it)
FR (1) FR2272733A1 (it)
IT (1) IT1030205B (it)
NL (1) NL7502132A (it)
NO (1) NO750578L (it)
SE (1) SE7501925L (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2311586A1 (fr) * 1975-05-23 1976-12-17 Ici Ltd Catalyseurs

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3344343A1 (de) * 1983-12-08 1985-06-13 Battelle-Institut E.V., 6000 Frankfurt Verfahren zur herstellung von schalenkatalysatoren
DE4221011A1 (de) * 1992-06-26 1994-01-05 Basf Ag Schalenkatalysatoren

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2311586A1 (fr) * 1975-05-23 1976-12-17 Ici Ltd Catalyseurs

Also Published As

Publication number Publication date
IT1030205B (it) 1979-03-30
DE2507636A1 (de) 1975-08-28
NL7502132A (nl) 1975-08-26
SE7501925L (it) 1975-08-25
ES434942A1 (es) 1977-08-16
NO750578L (it) 1975-08-25

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Legal Events

Date Code Title Description
ST Notification of lapse