NL7205239A - - Google Patents

Info

Publication number
NL7205239A
NL7205239A NL7205239A NL7205239A NL7205239A NL 7205239 A NL7205239 A NL 7205239A NL 7205239 A NL7205239 A NL 7205239A NL 7205239 A NL7205239 A NL 7205239A NL 7205239 A NL7205239 A NL 7205239A
Authority
NL
Netherlands
Application number
NL7205239A
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 filed Critical
Publication of NL7205239A publication Critical patent/NL7205239A/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/005Spinels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76Catalysts 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
    • B01J23/84Catalysts 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
    • B01J23/85Chromium, molybdenum or tungsten
    • B01J23/86Chromium
    • B01J23/866Nickel and chromium
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
NL7205239A 1971-04-19 1972-04-19 NL7205239A (enrdf_load_stackoverflow)

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 (enrdf_load_stackoverflow) 1971-04-19 1971-12-02

Publications (1)

Publication Number Publication Date
NL7205239A true NL7205239A (enrdf_load_stackoverflow) 1972-10-23

Family

ID=26216344

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7205239A NL7205239A (enrdf_load_stackoverflow) 1971-04-19 1972-04-19

Country Status (8)

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

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 (en) 2001-10-15 2003-04-23 Haldor Topsoe A/S Process for the production of mixed metal oxide containing catalysts
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
BE781951A (fr) 1972-10-12
DE2218665C3 (de) 1981-12-03
DE2218665A1 (de) 1972-11-09
JPS5627293B1 (enrdf_load_stackoverflow) 1981-06-24
CA992057A (fr) 1976-06-29
GB1373280A (en) 1974-11-06
FR2163830A6 (enrdf_load_stackoverflow) 1973-07-27
IT953675B (it) 1973-08-10
DE2218665B2 (de) 1980-08-07

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed