FR2257331A1 - Chromium/copper catalysts for treating exhaust gases - based on a support contg crystalline cellulose aggregates - Google Patents

Chromium/copper catalysts for treating exhaust gases - based on a support contg crystalline cellulose aggregates

Info

Publication number
FR2257331A1
FR2257331A1 FR7400829A FR7400829A FR2257331A1 FR 2257331 A1 FR2257331 A1 FR 2257331A1 FR 7400829 A FR7400829 A FR 7400829A FR 7400829 A FR7400829 A FR 7400829A FR 2257331 A1 FR2257331 A1 FR 2257331A1
Authority
FR
France
Prior art keywords
support
exhaust gases
crystalline cellulose
chromium
pref
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.)
Granted
Application number
FR7400829A
Other languages
English (en)
French (fr)
Other versions
FR2257331B1 (enrdf_load_stackoverflow
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.)
FMC Corp
Original Assignee
FMC 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
Application filed by FMC Corp filed Critical FMC Corp
Priority to FR7400829A priority Critical patent/FR2257331A1/fr
Priority to BE139703A priority patent/BE809613A/xx
Publication of FR2257331A1 publication Critical patent/FR2257331A1/fr
Application granted granted Critical
Publication of FR2257331B1 publication Critical patent/FR2257331B1/fr
Granted 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
    • 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)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
FR7400829A 1974-01-10 1974-01-10 Chromium/copper catalysts for treating exhaust gases - based on a support contg crystalline cellulose aggregates Granted FR2257331A1 (en)

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 (2)

Publication Number Publication Date
FR2257331A1 true FR2257331A1 (en) 1975-08-08
FR2257331B1 FR2257331B1 (enrdf_load_stackoverflow) 1978-10-27

Family

ID=25647737

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7400829A Granted FR2257331A1 (en) 1974-01-10 1974-01-10 Chromium/copper catalysts for treating exhaust gases - based on a support contg crystalline cellulose aggregates

Country Status (2)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002251A3 (en) * 1977-12-02 1979-06-27 Hoechst Aktiengesellschaft Process for the preparation of an attrition-resistant active carbon catalyst or catalyst support

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002251A3 (en) * 1977-12-02 1979-06-27 Hoechst Aktiengesellschaft Process for the preparation of an attrition-resistant active carbon catalyst or catalyst support

Also Published As

Publication number Publication date
BE809613A (fr) 1974-05-02
FR2257331B1 (enrdf_load_stackoverflow) 1978-10-27

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Legal Events

Date Code Title Description
ST Notification of lapse