BE825558A - Preparation de grains spheriques d'alumine - Google Patents

Preparation de grains spheriques d'alumine

Info

Publication number
BE825558A
BE825558A BE153383A BE153383A BE825558A BE 825558 A BE825558 A BE 825558A BE 153383 A BE153383 A BE 153383A BE 153383 A BE153383 A BE 153383A BE 825558 A BE825558 A BE 825558A
Authority
BE
Belgium
Prior art keywords
alumina
preparation
spherical grains
grains
spherical
Prior art date
Application number
BE153383A
Other languages
English (en)
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 filed Critical
Publication of BE825558A publication Critical patent/BE825558A/fr

Links

Classifications

    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/28—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using special binding agents
    • 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
    • B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04—Alumina
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/51—Spheres
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0018—Addition 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)
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0072—Preparation of particles, e.g. dispersion of droplets in an oil bath
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/48—Halides, with or without other cations besides aluminium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • 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
    • C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
BE153383A 1974-02-18 1975-02-14 Preparation de grains spheriques d'alumine BE825558A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU69408A LU69408A1 (fr) 1974-02-18 1974-02-18

Publications (1)

Publication Number Publication Date
BE825558A true BE825558A (fr) 1975-05-29

Family

ID=19727584

Family Applications (1)

Application Number Title Priority Date Filing Date
BE153383A BE825558A (fr) 1974-02-18 1975-02-14 Preparation de grains spheriques d'alumine

Country Status (11)

Country Link
US (1) US3968225A (fr)
JP (1) JPS5734208B2 (fr)
BE (1) BE825558A (fr)
CA (1) CA1055918A (fr)
DD (1) DD119026A5 (fr)
DE (1) DE2506756A1 (fr)
FR (1) FR2261057B1 (fr)
GB (1) GB1487664A (fr)
IT (1) IT1031783B (fr)
LU (1) LU69408A1 (fr)
NL (1) NL7501822A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2760450C2 (fr) * 1977-12-30 1988-12-29 American Cyanamid Co., Wayne, N.J., Us
DE2758945A1 (de) * 1977-12-30 1979-07-05 American Cyanamid Co Verfahren zur herstellung von formteilchen aus aluminiumoxid
JPS6116112U (ja) * 1984-07-04 1986-01-30 有限会社 トレンドアイ 痔用パンツ
JPS61172105U (fr) * 1985-04-17 1986-10-25
US5858325A (en) * 1992-12-24 1999-01-12 Commonwealth Scientific And Industrial Organisation Agglomeration of alumina material

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2672452A (en) * 1952-11-17 1954-03-16 Universal Oil Prod Co Manufacture of spherical particles
US2955915A (en) * 1958-05-19 1960-10-11 Universal Oil Prod Co Production of alumina hydrogel
US3353910A (en) * 1963-01-17 1967-11-21 Air Prod & Chem Alumina particles and method of preparation
GB1107875A (en) * 1964-04-07 1968-03-27 Snam Spa Method for preparing spheroidal alumina
US3290122A (en) * 1964-07-28 1966-12-06 Sam D Clinton Process for preparing oxide gel microspheres from sols
NL6508991A (fr) * 1965-07-13 1967-01-16
DE1592098C3 (de) * 1965-12-13 1978-05-11 Engelhard Minerals & Chemicals Corp., Murray Hill, N.J. (V.St.A.) Verfahren zur Herstellung von kugelförmigen Aluminiumoxidteilchen
GB1231385A (fr) * 1967-08-04 1971-05-12
US3600129A (en) * 1969-06-17 1971-08-17 Universal Oil Prod Co Manufacture of low bulk density high strength spherical alumina particles
US3775352A (en) * 1971-03-22 1973-11-27 Shell Oil Co Metal-polymer matrices and their preparation
US3746659A (en) * 1971-06-25 1973-07-17 Engelhard Min & Chem Fluid cracking catalyst and preparation thereof

Also Published As

Publication number Publication date
FR2261057B1 (fr) 1978-10-06
AU7831675A (en) 1976-08-19
DD119026A5 (fr) 1976-04-05
IT1031783B (it) 1979-05-10
NL7501822A (nl) 1975-08-20
DE2506756A1 (de) 1975-08-21
LU69408A1 (fr) 1975-12-09
JPS50118998A (fr) 1975-09-18
GB1487664A (en) 1977-10-05
JPS5734208B2 (fr) 1982-07-21
FR2261057A1 (fr) 1975-09-12
CA1055918A (fr) 1979-06-05
US3968225A (en) 1976-07-06

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