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BR9501693A - Carbides and nitrides of transition elements with controlled porosity - Google Patents

Carbides and nitrides of transition elements with controlled porosity

Info

Publication number
BR9501693A
BR9501693A BR9501693A BR9501693A BR9501693A BR 9501693 A BR9501693 A BR 9501693A BR 9501693 A BR9501693 A BR 9501693A BR 9501693 A BR9501693 A BR 9501693A BR 9501693 A BR9501693 A BR 9501693A
Authority
BR
Brazil
Prior art keywords
carbides
nitrides
transition elements
controlled porosity
porosity
Prior art date
Application number
BR9501693A
Other languages
Portuguese (pt)
Inventor
Jose Augusto Jorge Rodrigues
Da Cruz Gilberton Marques
Gerald Djega-Mariadassou
Guy Bugli
Original Assignee
Inst Nacional De Pesquisas Esp
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 Inst Nacional De Pesquisas Esp filed Critical Inst Nacional De Pesquisas Esp
Priority to BR9501693A priority Critical patent/BR9501693A/en
Priority to PCT/BR1996/000011 priority patent/WO1996035510A1/en
Priority to CA002219797A priority patent/CA2219797A1/en
Priority to JP8533616A priority patent/JPH11510427A/en
Priority to EP96905624A priority patent/EP0824371A1/en
Publication of BR9501693A publication Critical patent/BR9501693A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/20Carbon compounds
    • B01J27/22Carbides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/24Nitrogen compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0018Addition 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)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64Pore diameter
    • B01J35/6472-50 nm
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/66Pore distribution
    • B01J35/69Pore distribution bimodal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
  • Ceramic Products (AREA)
  • Carbon And Carbon Compounds (AREA)
BR9501693A 1995-05-11 1995-05-11 Carbides and nitrides of transition elements with controlled porosity BR9501693A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BR9501693A BR9501693A (en) 1995-05-11 1995-05-11 Carbides and nitrides of transition elements with controlled porosity
PCT/BR1996/000011 WO1996035510A1 (en) 1995-05-11 1996-03-19 Carbides and nitrides of transition elements with controlled porosity
CA002219797A CA2219797A1 (en) 1995-05-11 1996-03-19 Carbides and nitrides of transition elements with controlled porosity
JP8533616A JPH11510427A (en) 1995-05-11 1996-03-19 Controlled porosity transition element carbides and nitrides
EP96905624A EP0824371A1 (en) 1995-05-11 1996-03-19 Carbides and nitrides of transition elements with controlled porosity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9501693A BR9501693A (en) 1995-05-11 1995-05-11 Carbides and nitrides of transition elements with controlled porosity

Publications (1)

Publication Number Publication Date
BR9501693A true BR9501693A (en) 1997-09-16

Family

ID=4061227

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9501693A BR9501693A (en) 1995-05-11 1995-05-11 Carbides and nitrides of transition elements with controlled porosity

Country Status (5)

Country Link
EP (1) EP0824371A1 (en)
JP (1) JPH11510427A (en)
BR (1) BR9501693A (en)
CA (1) CA2219797A1 (en)
WO (1) WO1996035510A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10002117A1 (en) * 2000-01-20 2001-08-16 Geesthacht Gkss Forschung Catalysis of the hydrogen sorption kinetics of hydrides by nitrides and carbides

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4271041A (en) * 1979-02-08 1981-06-02 The Board Of Trustees Of Leland Stanford Junior University High surface area molybdenum oxycarbide catalysts
US4851206A (en) * 1981-07-15 1989-07-25 The Board Of Trustees Of The Leland Stanford Junior University, Stanford University Methods and compostions involving high specific surface area carbides and nitrides
JPH0622680B2 (en) * 1987-09-28 1994-03-30 工業技術院長 Catalyst and method for producing the same
FR2666520B1 (en) * 1990-09-06 1993-12-31 Pechiney Recherche METHOD FOR ACTIVATION OF THE SURFACE OF HEAVY METAL CARBIDES WITH A HIGH SPECIFIC SURFACE FOR CATALYTIC REACTIONS.

Also Published As

Publication number Publication date
JPH11510427A (en) 1999-09-14
EP0824371A1 (en) 1998-02-25
WO1996035510A1 (en) 1996-11-14
CA2219797A1 (en) 1996-11-14

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FA8 Dismissal: dismissal - article 36, par. 1 of industrial property law
B15K Others concerning applications: alteration of classification

Ipc: B01J 27/22 (2006.01), B01J 27/24 (2006.0