FR2163830A6 - - Google Patents

Info

Publication number
FR2163830A6
FR2163830A6 FR7143394A FR7143394A FR2163830A6 FR 2163830 A6 FR2163830 A6 FR 2163830A6 FR 7143394 A FR7143394 A FR 7143394A FR 7143394 A FR7143394 A FR 7143394A FR 2163830 A6 FR2163830 A6 FR 2163830A6
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
FR7143394A
Other languages
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.)
Pro Catalyse SA
Original Assignee
Pro Catalyse SA
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 FR7113858A external-priority patent/FR2134762A5/fr
Application filed by Pro Catalyse SA filed Critical Pro Catalyse SA
Priority to FR7143394A priority Critical patent/FR2163830A6/fr
Priority to BE781951A priority patent/BE781951A/xx
Priority to DE2218665A priority patent/DE2218665C3/de
Priority to GB1791972A priority patent/GB1373280A/en
Priority to CA139,972A priority patent/CA992057A/fr
Priority to IT23329/72A priority patent/IT953675B/it
Priority to JP3948972A priority patent/JPS5627293B1/ja
Priority to NL7205239A priority patent/NL7205239A/xx
Publication of FR2163830A6 publication Critical patent/FR2163830A6/fr
Application granted granted Critical
Priority to US05/524,880 priority patent/US4029738A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/005—Spinels
    • 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
    • B01J23/866—Nickel and chromium
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (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)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
FR7143394A 1971-04-19 1971-12-02 Expired FR2163830A6 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR7143394A FR2163830A6 (de) 1971-04-19 1971-12-02
BE781951A BE781951A (fr) 1971-04-19 1972-04-12 Procede pour la decomposition des oxydes d'azote et catalyseursd'azote
CA139,972A CA992057A (fr) 1971-04-19 1972-04-18 Procede pour la decomposition des oxydes d'azote et catalyseurs utilises
GB1791972A GB1373280A (en) 1971-04-19 1972-04-18 Process and catalyst for decomposing nitrogen oxides
DE2218665A DE2218665C3 (de) 1971-04-19 1972-04-18 Eisen, Chrom und Nickel enthaltender Katalysator zur Zersetzung von Stickstoffoxiden
IT23329/72A IT953675B (it) 1971-04-19 1972-04-19 Procedimento per la decomposizio ne degli ossidi di azoto e cata lizzatori utilizzati
JP3948972A JPS5627293B1 (de) 1971-04-19 1972-04-19
NL7205239A NL7205239A (de) 1971-04-19 1972-04-19
US05/524,880 US4029738A (en) 1971-12-02 1974-11-18 Decomposing nitrogen oxides with nickel-iron-chromium catalysts

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7113858A FR2134762A5 (en) 1971-04-19 1971-04-19 Decomposing oxides of nitrogen
FR7143394A FR2163830A6 (de) 1971-04-19 1971-12-02

Publications (1)

Publication Number Publication Date
FR2163830A6 true FR2163830A6 (de) 1973-07-27

Family

ID=26216344

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7143394A Expired FR2163830A6 (de) 1971-04-19 1971-12-02

Country Status (8)

Country Link
JP (1) JPS5627293B1 (de)
BE (1) BE781951A (de)
CA (1) CA992057A (de)
DE (1) DE2218665C3 (de)
FR (1) FR2163830A6 (de)
GB (1) GB1373280A (de)
IT (1) IT953675B (de)
NL (1) NL7205239A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1295813C (en) * 1988-12-14 1992-02-18 Karl T. Chuang Reduction of nitrogen oxides
EP1304164A1 (de) * 2001-10-15 2003-04-23 Haldor Topsoe A/S Verfahren zur Herstellung von Mischoxid-Katalysatoren
CN111659187B (zh) * 2020-06-01 2022-03-01 南昌航空大学 一种污水处理用压电泡沫陶瓷过滤器的制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1767064A1 (de) * 1968-03-27 1970-09-17 Basf Ag Katalysator fuer die Herstellung von Wasserstoff aus kohlenmonoxidhaltigen Gasen

Also Published As

Publication number Publication date
JPS5627293B1 (de) 1981-06-24
DE2218665C3 (de) 1981-12-03
DE2218665B2 (de) 1980-08-07
DE2218665A1 (de) 1972-11-09
GB1373280A (en) 1974-11-06
CA992057A (fr) 1976-06-29
IT953675B (it) 1973-08-10
NL7205239A (de) 1972-10-23
BE781951A (fr) 1972-10-12

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