FR2653427B2 - IMPROVEMENT IN OBTAINING HEAVY METAL CARBIDE WITH HIGH SPECIFIC SURFACE. - Google Patents

IMPROVEMENT IN OBTAINING HEAVY METAL CARBIDE WITH HIGH SPECIFIC SURFACE.

Info

Publication number
FR2653427B2
FR2653427B2 FR8914084A FR8914084A FR2653427B2 FR 2653427 B2 FR2653427 B2 FR 2653427B2 FR 8914084 A FR8914084 A FR 8914084A FR 8914084 A FR8914084 A FR 8914084A FR 2653427 B2 FR2653427 B2 FR 2653427B2
Authority
FR
France
Prior art keywords
improvement
specific surface
heavy metal
high specific
metal carbide
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
FR8914084A
Other languages
French (fr)
Other versions
FR2653427A2 (en
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 FR8904433A external-priority patent/FR2645143B1/en
Application filed by Pechiney Electrometallurgie SAS filed Critical Pechiney Electrometallurgie SAS
Priority to FR8914084A priority Critical patent/FR2653427B2/en
Priority to FR898917538A priority patent/FR2655879B2/en
Priority to ES90420150T priority patent/ES2074147T3/en
Priority to EP90420150A priority patent/EP0396475B1/en
Priority to AU54145/90A priority patent/AU621740B2/en
Priority to KR1019900702486A priority patent/KR930003749B1/en
Priority to PCT/FR1990/000204 priority patent/WO1990011251A1/en
Priority to BR909006018A priority patent/BR9006018A/en
Priority to DE69020637T priority patent/DE69020637T2/en
Priority to HU903697A priority patent/HUT56794A/en
Priority to IL93884A priority patent/IL93884A0/en
Priority to DK90420150.6T priority patent/DK0396475T3/en
Priority to US07/613,627 priority patent/US5308597A/en
Priority to AT90420150T priority patent/ATE124666T1/en
Priority to JP2505805A priority patent/JP2540386B2/en
Priority to YU00596/90A priority patent/YU59690A/en
Priority to CS901484A priority patent/CS148490A2/en
Priority to ZW45/90A priority patent/ZW4590A1/en
Priority to PT93575A priority patent/PT93575A/en
Priority to TNTNSN90037A priority patent/TNSN90037A1/en
Priority to CA002013142A priority patent/CA2013142A1/en
Priority to CN90102236A priority patent/CN1046885A/en
Priority to NO90904867A priority patent/NO904867L/en
Priority to FI905841A priority patent/FI905841A0/en
Publication of FR2653427A2 publication Critical patent/FR2653427A2/en
Publication of FR2653427B2 publication Critical patent/FR2653427B2/en
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
    • C01P2004/50—Agglomerated particles
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Materials Engineering (AREA)
  • Catalysts (AREA)
FR8914084A 1989-03-28 1989-10-19 IMPROVEMENT IN OBTAINING HEAVY METAL CARBIDE WITH HIGH SPECIFIC SURFACE. Expired - Lifetime FR2653427B2 (en)

Priority Applications (24)

Application Number Priority Date Filing Date Title
FR8914084A FR2653427B2 (en) 1989-03-28 1989-10-19 IMPROVEMENT IN OBTAINING HEAVY METAL CARBIDE WITH HIGH SPECIFIC SURFACE.
FR898917538A FR2655879B2 (en) 1989-10-19 1989-12-19 PARTICULAR APPLICATION OF 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
EP90420150A EP0396475B1 (en) 1989-03-28 1990-03-26 Preparation of heavy metal carbides having high specific surface area
AU54145/90A AU621740B2 (en) 1989-03-28 1990-03-26 Production of heavy metal carbides with high specific surface area
KR1019900702486A KR930003749B1 (en) 1989-03-28 1990-03-26 Production of heavy metal carbides with high specific surface area
PCT/FR1990/000204 WO1990011251A1 (en) 1989-03-28 1990-03-26 Production of heavy metal carbides with high specific surface area
BR909006018A BR9006018A (en) 1989-03-28 1990-03-26 OBTAINING HEAVY METAL CARBON FROM HIGH SPECIFIC SURFACE
DE69020637T DE69020637T2 (en) 1989-03-28 1990-03-26 Manufacture of heavy metal carbides with increased specific surface.
HU903697A HUT56794A (en) 1989-03-28 1990-03-26 Process for producing heavy metal carbides with high specific surface
IL93884A IL93884A0 (en) 1989-03-28 1990-03-26 Production of heavy metal carbides of high specific surface area
DK90420150.6T DK0396475T3 (en) 1989-03-28 1990-03-26 Manufacture of metal carbides with large specific surface
ES90420150T ES2074147T3 (en) 1989-03-28 1990-03-26 OBTAINING HEAVY METAL CARBIDE WITH A HIGH SPECIFIC SURFACE.
AT90420150T ATE124666T1 (en) 1989-03-28 1990-03-26 PRODUCTION OF HEAVY METAL CARBIDES WITH INCREASED SPECIFIC SURFACE AREA.
JP2505805A JP2540386B2 (en) 1989-03-28 1990-03-26 Method for producing heavy metal carbide having 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
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
PT93575A PT93575A (en) 1989-03-28 1990-03-27 PROCESS FOR THE PREPARATION OF HEAVY METAL CARBONETS WITH A LARGE SPECIFIC SURFACE
TNTNSN90037A TNSN90037A1 (en) 1989-03-28 1990-03-27 OBTAINING HEAVY METAL CARBIDES WITH HIGH SPECIFIC SURFACE
CA002013142A CA2013142A1 (en) 1989-03-28 1990-03-27 Method for obtaining heavy metal carbides with high specific surface
CN90102236A CN1046885A (en) 1989-03-28 1990-03-28 The preparation of carbides of heavy metals with high specific surface
NO90904867A NO904867L (en) 1989-03-28 1990-11-08 MANUFACTURE OF HEAVY METAL CARBIDES WITH HIGH SPECIFIC SURFACE AREA.
FI905841A FI905841A0 (en) 1989-03-28 1990-11-27 FRAMSTAELLNING AV TUNGMETALLKARBIDER MED STOR SPECIFIK YTA.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8904433A FR2645143B1 (en) 1989-03-28 1989-03-28 OBTAINING HEAVY METAL CARBIDES WITH HIGH SPECIFIC SURFACE
FR8914084A FR2653427B2 (en) 1989-03-28 1989-10-19 IMPROVEMENT IN OBTAINING HEAVY METAL CARBIDE WITH HIGH SPECIFIC SURFACE.

Publications (2)

Publication Number Publication Date
FR2653427A2 FR2653427A2 (en) 1991-04-26
FR2653427B2 true FR2653427B2 (en) 1994-04-15

Family

ID=26227251

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8914084A Expired - Lifetime FR2653427B2 (en) 1989-03-28 1989-10-19 IMPROVEMENT IN OBTAINING HEAVY METAL CARBIDE WITH HIGH SPECIFIC SURFACE.

Country Status (1)

Country Link
FR (1) FR2653427B2 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5129520B2 (en) * 1971-09-09 1976-08-26
US4155928A (en) * 1975-05-16 1979-05-22 Phillips Petroleum Company Methanation of carbon monoxide over tungsten carbide-containing catalysts
US4216009A (en) * 1977-07-27 1980-08-05 Sumitomo Electric Industries, Ltd. Method of making alloy and carbide powders of molybdenum and tungsten
JPH0772084B2 (en) * 1985-12-02 1995-08-02 三井東圧化学株式会社 New carbon-containing composition
FR2596745B1 (en) * 1986-04-03 1991-06-07 Atochem POWDERS FOR CARBIDE AND METAL NITRIDE CERAMICS BY CARBOTHERMAL REDUCTION AND THEIR MANUFACTURING METHOD
GB8708604D0 (en) * 1987-04-10 1987-05-13 Grieveson P Making carbides of high-melting metals
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
FR2653427A2 (en) 1991-04-26

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