FR2655879B2 - Application particuliere des carbures de metaux lourds a surface specifique elevee. - Google Patents

Application particuliere des carbures de metaux lourds a surface specifique elevee.

Info

Publication number
FR2655879B2
FR2655879B2 FR898917538A FR8917538A FR2655879B2 FR 2655879 B2 FR2655879 B2 FR 2655879B2 FR 898917538 A FR898917538 A FR 898917538A FR 8917538 A FR8917538 A FR 8917538A FR 2655879 B2 FR2655879 B2 FR 2655879B2
Authority
FR
France
Prior art keywords
specific surface
heavy metal
particular application
high specific
metal carbides
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.)
Expired - Lifetime
Application number
FR898917538A
Other languages
English (en)
Other versions
FR2655879A2 (fr
Inventor
Ledoux Marc-Jacques
Guille Jean-Louis
Pham Huu-Cuong
Marin Sophie
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.)
Ferropem SAS
Original Assignee
Pechiney Electrometallurgie SAS
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 FR8914084A external-priority patent/FR2653427B2/fr
Application filed by Pechiney Electrometallurgie SAS filed Critical Pechiney Electrometallurgie SAS
Priority to FR898917538A priority Critical patent/FR2655879B2/fr
Priority to JP2505805A priority patent/JP2540386B2/ja
Priority to IL93884A priority patent/IL93884A0/xx
Priority to EP90420150A priority patent/EP0396475B1/fr
Priority to PCT/FR1990/000204 priority patent/WO1990011251A1/fr
Priority to ES90420150T priority patent/ES2074147T3/es
Priority to HU903697A priority patent/HUT56794A/hu
Priority to US07/613,627 priority patent/US5308597A/en
Priority to AU54145/90A priority patent/AU621740B2/en
Priority to BR909006018A priority patent/BR9006018A/pt
Priority to AT90420150T priority patent/ATE124666T1/de
Priority to KR1019900702486A priority patent/KR930003749B1/ko
Priority to DK90420150.6T priority patent/DK0396475T3/da
Priority to DE69020637T priority patent/DE69020637T2/de
Priority to CA002013142A priority patent/CA2013142A1/fr
Priority to TNTNSN90037A priority patent/TNSN90037A1/fr
Priority to CS901484A priority patent/CS148490A2/cs
Priority to ZW45/90A priority patent/ZW4590A1/xx
Priority to YU00596/90A priority patent/YU59690A/xx
Priority to PT93575A priority patent/PT93575A/pt
Priority to CN90102236A priority patent/CN1046885A/zh
Priority to NO904867A priority patent/NO904867D0/no
Priority to FI905841A priority patent/FI905841A0/fi
Publication of FR2655879A2 publication Critical patent/FR2655879A2/fr
Publication of FR2655879B2 publication Critical patent/FR2655879B2/fr
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/20—Carbon compounds
    • B01J27/22—Carbides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C01B32/907—Oxycarbides; Sulfocarbides; Mixture of carbides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C01B32/914—Carbides of single elements
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C01B32/914—Carbides of single elements
    • C01B32/949—Tungsten or molybdenum carbides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • 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)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
FR898917538A 1989-03-28 1989-12-19 Application particuliere des carbures de metaux lourds a surface specifique elevee. Expired - Lifetime FR2655879B2 (fr)

Priority Applications (23)

Application Number Priority Date Filing Date Title
FR898917538A FR2655879B2 (fr) 1989-10-19 1989-12-19 Application particuliere des carbures de metaux lourds a surface specifique elevee.
DK90420150.6T DK0396475T3 (da) 1989-03-28 1990-03-26 Fremstilling af metalcarbider med stor sprcifik overflade
IL93884A IL93884A0 (en) 1989-03-28 1990-03-26 Production of heavy metal carbides of high specific surface area
EP90420150A EP0396475B1 (fr) 1989-03-28 1990-03-26 Obtention de carbures de métaux lourds à surface spécifique élevée
PCT/FR1990/000204 WO1990011251A1 (fr) 1989-03-28 1990-03-26 Obtention de carbures de metaux lourds a surface specifique elevee
ES90420150T ES2074147T3 (es) 1989-03-28 1990-03-26 Obtencion de carburos de metales pesados con superficie especifica elevada.
HU903697A HUT56794A (en) 1989-03-28 1990-03-26 Process for producing heavy metal carbides with high specific surface
US07/613,627 US5308597A (en) 1989-03-28 1990-03-26 Production of heavy metal carbides of high specific surface area
AU54145/90A AU621740B2 (en) 1989-03-28 1990-03-26 Production of heavy metal carbides with high specific surface area
BR909006018A BR9006018A (pt) 1989-03-28 1990-03-26 Obtencao de carbonetos de metais pesados de elevada superficie especifica
AT90420150T ATE124666T1 (de) 1989-03-28 1990-03-26 Herstellung von schwermetallkarbiden mit erhöhter spezifischer oberfläche.
KR1019900702486A KR930003749B1 (ko) 1989-03-28 1990-03-26 비표면적이 큰 중금속 탄화물 및 그 제조방법
JP2505805A JP2540386B2 (ja) 1989-03-28 1990-03-26 高い比表面積を有する重金属炭化物の製造方法
DE69020637T DE69020637T2 (de) 1989-03-28 1990-03-26 Herstellung von Schwermetallkarbiden mit erhöhter spezifischer Oberfläche.
CA002013142A CA2013142A1 (fr) 1989-03-28 1990-03-27 Obtention de carbures de metaux lourds a surface specifique elevee
TNTNSN90037A TNSN90037A1 (fr) 1989-03-28 1990-03-27 Obtention de carbures de metaux lourds a surface specifique elevee
CS901484A CS148490A2 (en) 1989-03-28 1990-03-27 Method of heavy metals' carbides production with increased specific surface
ZW45/90A ZW4590A1 (en) 1989-03-28 1990-03-27 Production of heavy metal carbides of high specific surface area
YU00596/90A YU59690A (en) 1989-03-28 1990-03-27 Process for obtaining carbides of heavy metals with enlarged specific weight
PT93575A PT93575A (pt) 1989-03-28 1990-03-27 Processo para a preparacao de carbonetos de metais pesados com grande superficie especifica
CN90102236A CN1046885A (zh) 1989-03-28 1990-03-28 高比表面重金属碳化物的制备
NO904867A NO904867D0 (no) 1989-03-28 1990-11-08 Fremstilling av tungmetallkarbider med hoeyt spesifikt overflateareal.
FI905841A FI905841A0 (fi) 1989-03-28 1990-11-27 Framstaellning av tungmetallkarbider med stor specifik yta.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8914084A FR2653427B2 (fr) 1989-03-28 1989-10-19 Perfectionnement a l'obtention de carbure de metaux lourds a surface specifique elevee.
FR898917538A FR2655879B2 (fr) 1989-10-19 1989-12-19 Application particuliere des carbures de metaux lourds a surface specifique elevee.

Publications (2)

Publication Number Publication Date
FR2655879A2 FR2655879A2 (fr) 1991-06-21
FR2655879B2 true FR2655879B2 (fr) 1992-02-28

Family

ID=26227624

Family Applications (1)

Application Number Title Priority Date Filing Date
FR898917538A Expired - Lifetime FR2655879B2 (fr) 1989-03-28 1989-12-19 Application particuliere des carbures de metaux lourds a surface specifique elevee.

Country Status (1)

Country Link
FR (1) FR2655879B2 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4155928A (en) * 1975-05-16 1979-05-22 Phillips Petroleum Company Methanation of carbon monoxide over tungsten carbide-containing catalysts
US4829655A (en) * 1987-03-24 1989-05-16 W. R. Grace & Co.-Conn. Catalyst support and method for making same
US4914070A (en) * 1987-10-19 1990-04-03 Pechiney Electrometallurgie Process for the production of silicon carbide with a large specific surface area and use for high-temperature catalytic reactions

Also Published As

Publication number Publication date
FR2655879A2 (fr) 1991-06-21

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