AT266780B - Verfahren zur Herstellung von natriumoxydarmem α-Aluminiumoxyd - Google Patents

Verfahren zur Herstellung von natriumoxydarmem α-Aluminiumoxyd

Info

Publication number
AT266780B
AT266780B AT470367A AT470367A AT266780B AT 266780 B AT266780 B AT 266780B AT 470367 A AT470367 A AT 470367A AT 470367 A AT470367 A AT 470367A AT 266780 B AT266780 B AT 266780B
Authority
AT
Austria
Prior art keywords
oxide
production
low sodium
aluminum oxide
sodium oxide
Prior art date
Application number
AT470367A
Other languages
English (en)
Original Assignee
Giulini Gmbh Geb
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 Giulini Gmbh Geb filed Critical Giulini Gmbh Geb
Priority to AT470367A priority Critical patent/AT266780B/de
Priority to DE1767511A priority patent/DE1767511C3/de
Application granted granted Critical
Publication of AT266780B publication Critical patent/AT266780B/de

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
    • C01F7/44—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
    • C01F7/442—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination in presence of a calcination additive
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
AT470367A 1967-05-19 1967-05-19 Verfahren zur Herstellung von natriumoxydarmem α-Aluminiumoxyd AT266780B (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT470367A AT266780B (de) 1967-05-19 1967-05-19 Verfahren zur Herstellung von natriumoxydarmem α-Aluminiumoxyd
DE1767511A DE1767511C3 (de) 1967-05-19 1968-05-17 Kontinuierliches Verfahren zur Herstellung von natriumoxidarmem Aluminiumoxid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT470367A AT266780B (de) 1967-05-19 1967-05-19 Verfahren zur Herstellung von natriumoxydarmem α-Aluminiumoxyd

Publications (1)

Publication Number Publication Date
AT266780B true AT266780B (de) 1968-11-25

Family

ID=3567330

Family Applications (1)

Application Number Title Priority Date Filing Date
AT470367A AT266780B (de) 1967-05-19 1967-05-19 Verfahren zur Herstellung von natriumoxydarmem α-Aluminiumoxyd

Country Status (2)

Country Link
AT (1) AT266780B (de)
DE (1) DE1767511C3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4487756A (en) * 1982-08-24 1984-12-11 Swiss Aluminium Ltd. Process for manufacturing crystalline alumina

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2850064B1 (de) * 1978-11-18 1980-05-08 Giulini Chemie Hexagonale tafelfoermige alpha-Aluminiumoxid-Einkristalle und Verfahren zu ihrer Herstellung
DE3212297C2 (de) * 1982-03-29 1984-12-13 Schweizerische Aluminium Ag, Chippis Verfahren zur Herstellung grobkristalliner Tonerde
IL109236A (en) * 1993-04-13 1998-01-04 Sumitomo Chemical Co A-alumina powder and its production
JP3744010B2 (ja) * 1993-06-30 2006-02-08 住友化学株式会社 α−アルミナ粉末の製造方法
AU699077B2 (en) * 1995-02-21 1998-11-19 Sumitomo Chemical Company, Limited Alpha-alumina and method for producing the same
EP1633678B1 (de) * 2003-06-12 2017-05-17 Showa Denko K.K. Verfahren zur herstellung von teilchenförmigen aluminiumoxid und dieses aluminiumoxid enthaltende
CN117418312B (zh) * 2023-11-30 2024-06-07 泰安盛源粉体有限公司 一种大单晶类球形α氧化铝及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4487756A (en) * 1982-08-24 1984-12-11 Swiss Aluminium Ltd. Process for manufacturing crystalline alumina

Also Published As

Publication number Publication date
DE1767511A1 (de) 1971-09-09
DE1767511B2 (de) 1977-04-07
DE1767511C3 (de) 1980-01-10

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