FR2294993A1 - Procede de fabrication d'articles faconnes et notamment d'articles obtenus par extrusion d'alumine hydratee - Google Patents

Procede de fabrication d'articles faconnes et notamment d'articles obtenus par extrusion d'alumine hydratee

Info

Publication number
FR2294993A1
FR2294993A1 FR7536154A FR7536154A FR2294993A1 FR 2294993 A1 FR2294993 A1 FR 2294993A1 FR 7536154 A FR7536154 A FR 7536154A FR 7536154 A FR7536154 A FR 7536154A FR 2294993 A1 FR2294993 A1 FR 2294993A1
Authority
FR
France
Prior art keywords
extrusion
articles
hydrated alumina
manufacturing shaped
shaped articles
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.)
Granted
Application number
FR7536154A
Other languages
English (en)
French (fr)
Other versions
FR2294993B1 (online.php
Inventor
Martin Wassermann
Arnold Meyer
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.)
Condea Petrochemie GmbH
Original Assignee
Condea Petrochemie GmbH
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 Condea Petrochemie GmbH filed Critical Condea Petrochemie GmbH
Publication of FR2294993A1 publication Critical patent/FR2294993A1/fr
Application granted granted Critical
Publication of FR2294993B1 publication Critical patent/FR2294993B1/fr
Granted legal-status Critical Current

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
    • 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
    • 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
    • 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
    • C01F7/021—After-treatment of oxides or hydroxides
    • C01F7/025—Granulation or agglomeration
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • 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
    • C01P2006/11—Powder tap density
    • 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
    • C01P2006/14—Pore volume
    • 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
    • C01P2006/16—Pore diameter
    • C01P2006/17—Pore diameter distribution
    • 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
    • C01P2006/21—Attrition-index or crushing strength of granulates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR7536154A 1974-12-21 1975-11-26 Procede de fabrication d'articles faconnes et notamment d'articles obtenus par extrusion d'alumine hydratee Granted FR2294993A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742460921 DE2460921C2 (de) 1974-12-21 1974-12-21 Verfahren zur herstellung von formkoerpern bzw. stranggepressten koerpern von aluminiumoxidhydrat

Publications (2)

Publication Number Publication Date
FR2294993A1 true FR2294993A1 (fr) 1976-07-16
FR2294993B1 FR2294993B1 (online.php) 1981-02-06

Family

ID=5934305

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7536154A Granted FR2294993A1 (fr) 1974-12-21 1975-11-26 Procede de fabrication d'articles faconnes et notamment d'articles obtenus par extrusion d'alumine hydratee

Country Status (5)

Country Link
US (1) US4048295A (online.php)
DE (1) DE2460921C2 (online.php)
FR (1) FR2294993A1 (online.php)
GB (1) GB1500928A (online.php)
NL (1) NL7514898A (online.php)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2550953B1 (fr) * 1977-04-12 1987-02-20 Commissariat Energie Atomique Procede de fabrication de membranes minerales permeables
US4318896A (en) * 1980-04-14 1982-03-09 Uop Inc. Manufacture of alumina particles
US4379134A (en) * 1981-02-13 1983-04-05 Union Carbide Corporation Process of preparing high purity alumina bodies
DE3212249C2 (de) * 1982-04-02 1986-08-21 Condea Chemie GmbH, 2212 Brunsbüttel Verfahren zur Herstellung von kugelförmiger Tonerde
US5266300A (en) * 1989-08-02 1993-11-30 Texaco Inc. Method of making porous alumina
BR9203110A (pt) 1992-08-12 1994-03-01 Petroleo Brasileiro Sa Composicao catalitica passivadora para o craqueamento de hidrocarbonetos,alumina e processo de craqueamento catalitico fluido
WO1998024598A1 (en) * 1996-12-06 1998-06-11 Stanley-Bostitch, Inc. Fastener driving device with improved actuating assembly
US6299995B1 (en) * 2000-05-31 2001-10-09 Uop Llc Process for carbon monoxide preferential oxidation for use with fuel cells
CN113603124A (zh) * 2021-07-19 2021-11-05 中国科学院青海盐湖研究所 一种海胆状勃姆石粉体的制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3385663A (en) * 1964-07-31 1968-05-28 Du Pont Preparation of high surface area, waterdispersible alumina monohydrate from low surface area alumina trihydrate
NL7015145A (online.php) * 1969-10-29 1971-05-04
US3945945A (en) * 1971-05-10 1976-03-23 Norton Company High surface area alumina bodies
US3839230A (en) * 1971-05-15 1974-10-01 Petrochim Inst De Cercetari Pe Process for improving the active-alumina catalyst properties
DE2237861C3 (de) * 1971-08-02 1978-05-11 Continental Oil Co., Ponca City, Okla. (V.St.A.) Aluminiumoxyd-Extrudat
US3846540A (en) * 1972-06-15 1974-11-05 Continental Oil Co Method for converting high-density low-porosity alumina into low-density high porosity alumina
US3917808A (en) * 1972-10-16 1975-11-04 Continental Oil Co Method for extruding alumina
US3975509A (en) * 1972-10-16 1976-08-17 Continental Oil Company Process for producing alpha alumina monohydrate

Also Published As

Publication number Publication date
DE2460921C2 (de) 1976-11-11
NL7514898A (nl) 1976-06-23
DE2460921B1 (de) 1976-03-18
US4048295A (en) 1977-09-13
GB1500928A (en) 1978-02-15
FR2294993B1 (online.php) 1981-02-06

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse