BE809613A - Catalyseurs pour la purification de gaz d'echappement - Google Patents

Catalyseurs pour la purification de gaz d'echappement

Info

Publication number
BE809613A
BE809613A BE139703A BE139703A BE809613A BE 809613 A BE809613 A BE 809613A BE 139703 A BE139703 A BE 139703A BE 139703 A BE139703 A BE 139703A BE 809613 A BE809613 A BE 809613A
Authority
BE
Belgium
Prior art keywords
catalyzers
exhaust gas
gas purification
purification
exhaust
Prior art date
Application number
BE139703A
Other languages
English (en)
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 filed Critical
Priority to FR7400829A priority Critical patent/FR2257331A1/fr
Priority to BE139703A priority patent/BE809613A/fr
Publication of BE809613A publication Critical patent/BE809613A/fr

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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/86—Chromium
    • B01J23/868—Chromium copper and chromium
    • 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
    • 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)

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)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
BE139703A 1974-01-10 1974-01-10 Catalyseurs pour la purification de gaz d'echappement BE809613A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7400829A FR2257331A1 (en) 1974-01-10 1974-01-10 Chromium/copper catalysts for treating exhaust gases - based on a support contg crystalline cellulose aggregates
BE139703A BE809613A (fr) 1974-01-10 1974-01-10 Catalyseurs pour la purification de gaz d'echappement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7400829A FR2257331A1 (en) 1974-01-10 1974-01-10 Chromium/copper catalysts for treating exhaust gases - based on a support contg crystalline cellulose aggregates
BE139703A BE809613A (fr) 1974-01-10 1974-01-10 Catalyseurs pour la purification de gaz d'echappement

Publications (1)

Publication Number Publication Date
BE809613A true BE809613A (fr) 1974-05-02

Family

ID=25647737

Family Applications (1)

Application Number Title Priority Date Filing Date
BE139703A BE809613A (fr) 1974-01-10 1974-01-10 Catalyseurs pour la purification de gaz d'echappement

Country Status (2)

Country Link
BE (1) BE809613A (fr)
FR (1) FR2257331A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2753674A1 (de) * 1977-12-02 1979-06-07 Hoechst Ag Verfahren zur herstellung abriebfester aktivkohletraeger oder -katalysatoren

Also Published As

Publication number Publication date
FR2257331A1 (en) 1975-08-08
FR2257331B1 (fr) 1978-10-27

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