BE818621A - Procede de reduction de la teneur d'une alumine en impuretes contenant du carbone. - Google Patents

Procede de reduction de la teneur d'une alumine en impuretes contenant du carbone.

Info

Publication number
BE818621A
BE818621A BE147406A BE147406A BE818621A BE 818621 A BE818621 A BE 818621A BE 147406 A BE147406 A BE 147406A BE 147406 A BE147406 A BE 147406A BE 818621 A BE818621 A BE 818621A
Authority
BE
Belgium
Prior art keywords
alumina
reducing
content
containing carbon
impurities containing
Prior art date
Application number
BE147406A
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 BE818621A publication Critical patent/BE818621A/fr

Links

Classifications

    • 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
    • C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • 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
    • B01J37/08—Heat treatment
    • B01J37/10—Heat treatment in the presence of water, e.g. steam
    • 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
    • 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
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/615—100-500 m2/g
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/638—Pore volume more than 1.0 ml/g
    • 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
    • C01P2006/12—Surface area
    • C01P2006/13—Surface area thermal stability thereof at high temperatures
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Catalysts (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
BE147406A 1971-12-23 1974-08-08 Procede de reduction de la teneur d'une alumine en impuretes contenant du carbone. BE818621A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21177071A 1971-12-23 1971-12-23

Publications (1)

Publication Number Publication Date
BE818621A true BE818621A (fr) 1975-02-10

Family

ID=22788300

Family Applications (1)

Application Number Title Priority Date Filing Date
BE147406A BE818621A (fr) 1971-12-23 1974-08-08 Procede de reduction de la teneur d'une alumine en impuretes contenant du carbone.

Country Status (6)

Country Link
US (1) US3773691A (fr)
JP (1) JPS4871396A (fr)
BE (1) BE818621A (fr)
CA (1) CA975532A (fr)
FR (1) FR2164693B1 (fr)
GB (1) GB1404600A (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3975231A (en) * 1972-04-14 1976-08-17 Continental Oil Company Method for producing concentrated alumina slurries
US4024231A (en) * 1972-08-10 1977-05-17 Continental Oil Company Producing alumina having a majority of pore diameters of 35-80A
US3917808A (en) * 1972-10-16 1975-11-04 Continental Oil Co Method for extruding alumina
JPS49125298A (fr) * 1973-04-06 1974-11-30
US3979504A (en) * 1973-04-30 1976-09-07 Continental Oil Company Calcining method for alumina
US4202870A (en) * 1979-04-23 1980-05-13 Union Carbide Corporation Process for producing alumina
DE3167768D1 (en) * 1980-02-26 1985-01-31 Ici Plc Porous aluminas and their preparation
US4275052A (en) * 1980-05-02 1981-06-23 Uop Inc. Process for preparing high surface area aluminas
US4519989A (en) * 1983-02-22 1985-05-28 Aluminum Company Of America Removal of organic contaminants from bauxite and other ores
US4886922A (en) * 1984-09-14 1989-12-12 The Dow Chemical Company Catalyst for dehydrohalogenation
US6110862A (en) * 1998-05-07 2000-08-29 Engelhard Corporation Catalytic material having improved conversion performance
US6303531B1 (en) 1999-12-21 2001-10-16 W. R. Grace & Co.-Conn. Hydrothermally stable high pore volume aluminum oxide/swellable clay composites and methods of their preparation and use
US6403526B1 (en) 1999-12-21 2002-06-11 W. R. Grace & Co.-Conn. Alumina trihydrate derived high pore volume, high surface area aluminum oxide composites and methods of their preparation and use
US6451200B1 (en) 2000-01-13 2002-09-17 W. R. Grace & Co.-Conn. Hydrothermally stable high pore volume aluminum oxide/swellable clay composites and methods of their preparation and use
EP1551766A2 (fr) * 2002-10-16 2005-07-13 Conocophillips Company Support de catalyseur a stabilite hydrothermique elevee
CN107640780B (zh) 2016-07-21 2020-12-04 中国石油化工股份有限公司 一种高纯度氢氧化铝的制备方法

Also Published As

Publication number Publication date
FR2164693B1 (fr) 1976-08-27
US3773691A (en) 1973-11-20
FR2164693A1 (fr) 1973-08-03
DE2256012A1 (de) 1973-06-28
GB1404600A (en) 1975-09-03
CA975532A (en) 1975-10-07
JPS4871396A (fr) 1973-09-27
DE2256012B2 (de) 1977-07-07

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Legal Events

Date Code Title Description
CH Change of patent owner

Owner name: *CONOCO INC.

Effective date: 19840814

CN Change of patent owner's name

Owner name: *CONOCO INC.

Effective date: 19840814

RE Patent lapsed

Owner name: CONOCO INC.

Effective date: 19850831