FR2370012A1 - Procede de fabrication d'un oxyde d'aluminium dope, contenant de 0,01 a 25 % d'oxyde de chrome et/ou d'oxyde de fer - Google Patents

Procede de fabrication d'un oxyde d'aluminium dope, contenant de 0,01 a 25 % d'oxyde de chrome et/ou d'oxyde de fer

Info

Publication number
FR2370012A1
FR2370012A1 FR7733630A FR7733630A FR2370012A1 FR 2370012 A1 FR2370012 A1 FR 2370012A1 FR 7733630 A FR7733630 A FR 7733630A FR 7733630 A FR7733630 A FR 7733630A FR 2370012 A1 FR2370012 A1 FR 2370012A1
Authority
FR
France
Prior art keywords
oxide
manufacturing
doped aluminum
chrome
transformed
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.)
Withdrawn
Application number
FR7733630A
Other languages
English (en)
French (fr)
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.)
Rio Tinto Switzerland AG
Original Assignee
Alusuisse Holdings AG
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 Alusuisse Holdings AG filed Critical Alusuisse Holdings AG
Publication of FR2370012A1 publication Critical patent/FR2370012A1/fr
Withdrawn legal-status Critical Current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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/86—Chromium
    • B01J23/862—Iron and chromium
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/26—Chromium
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/745—Iron
    • 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
    • C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
    • 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
    • C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/447—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by wet processes
    • C01F7/448—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by wet processes using superatmospheric pressure, e.g. hydrothermal conversion of gibbsite into boehmite
    • 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
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/10—Solid density

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Catalysts (AREA)
  • Compounds Of Iron (AREA)
  • Compositions Of Oxide Ceramics (AREA)
FR7733630A 1976-11-09 1977-11-08 Procede de fabrication d'un oxyde d'aluminium dope, contenant de 0,01 a 25 % d'oxyde de chrome et/ou d'oxyde de fer Withdrawn FR2370012A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1412176A CH601109A5 (2) 1976-11-09 1976-11-09

Publications (1)

Publication Number Publication Date
FR2370012A1 true FR2370012A1 (fr) 1978-06-02

Family

ID=4398169

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7733630A Withdrawn FR2370012A1 (fr) 1976-11-09 1977-11-08 Procede de fabrication d'un oxyde d'aluminium dope, contenant de 0,01 a 25 % d'oxyde de chrome et/ou d'oxyde de fer

Country Status (6)

Country Link
CH (1) CH601109A5 (2)
DE (1) DE2653797C2 (2)
FR (1) FR2370012A1 (2)
GB (1) GB1537643A (2)
IT (1) IT1089008B (2)
NL (1) NL7712026A (2)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992001646A3 (en) * 1990-07-16 1992-03-05 Minnesota Mining & Mfg Alpha phase seeding of transition alumina using chromium oxide-based nucleating agents
FR2702206A1 (fr) * 1993-03-05 1994-09-09 Baikowski Chimie Alumine, l'un de ses procédés d'obtention et ses applications.

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3131255C2 (de) * 1981-08-07 1986-02-13 VEG-Gasinstituut N.V., Apeldoorn Verfahren zur Herstellung eines Eisen-(III)-Oxid-Katalysators oder - Absorptionsmittels
HU198523B (en) * 1985-06-13 1987-08-28 Magyar Aluminium Active anticorrosion pigment composition for coating materials and process for its production
CN103614774B (zh) * 2013-12-13 2016-06-15 东莞市精研粉体科技有限公司 用于提拉法或导模法生长宝石单晶的掺杂原料的制备方法
CN108636410A (zh) * 2018-05-14 2018-10-12 福州大学 一种具有多孔结构的铁掺杂氧化铝中空微球的制备方法及其应用

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB580031A (en) * 1944-11-03 1946-08-23 Carborundum Co Improvements in or relating to grain or shaped articles of ª‡-alumina
US2656250A (en) * 1948-11-18 1953-10-20 Pechiney Prod Chimiques Sa Alumina-base fillers for rubber compositions
FR2077367A1 (2) * 1970-01-28 1971-10-22 Grace W R Ltd
DE2113940A1 (de) * 1971-03-23 1972-09-28 Aloys Dr Wuestefeld Verfahren zur Steigerung der Reaktivitaet fester Stoffe
FR2235086A1 (2) * 1973-06-27 1975-01-24 Bosch Gmbh Robert

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB580031A (en) * 1944-11-03 1946-08-23 Carborundum Co Improvements in or relating to grain or shaped articles of ª‡-alumina
US2656250A (en) * 1948-11-18 1953-10-20 Pechiney Prod Chimiques Sa Alumina-base fillers for rubber compositions
FR2077367A1 (2) * 1970-01-28 1971-10-22 Grace W R Ltd
DE2113940A1 (de) * 1971-03-23 1972-09-28 Aloys Dr Wuestefeld Verfahren zur Steigerung der Reaktivitaet fester Stoffe
FR2235086A1 (2) * 1973-06-27 1975-01-24 Bosch Gmbh Robert

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992001646A3 (en) * 1990-07-16 1992-03-05 Minnesota Mining & Mfg Alpha phase seeding of transition alumina using chromium oxide-based nucleating agents
FR2702206A1 (fr) * 1993-03-05 1994-09-09 Baikowski Chimie Alumine, l'un de ses procédés d'obtention et ses applications.

Also Published As

Publication number Publication date
NL7712026A (nl) 1978-05-11
GB1537643A (en) 1979-01-04
CH601109A5 (2) 1978-06-30
DE2653797A1 (de) 1978-05-11
DE2653797C2 (de) 1982-04-08
IT1089008B (it) 1985-06-10

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Legal Events

Date Code Title Description
RE Withdrawal of published application