ATE6849T1 - Verfahren zur herstellung von aluminiumoxyden mit grosser reinheit aus aluminiumalaun. - Google Patents

Verfahren zur herstellung von aluminiumoxyden mit grosser reinheit aus aluminiumalaun.

Info

Publication number
ATE6849T1
ATE6849T1 AT81401005T AT81401005T ATE6849T1 AT E6849 T1 ATE6849 T1 AT E6849T1 AT 81401005 T AT81401005 T AT 81401005T AT 81401005 T AT81401005 T AT 81401005T AT E6849 T1 ATE6849 T1 AT E6849T1
Authority
AT
Austria
Prior art keywords
aluminum
high purity
alum
corundum
aluminas
Prior art date
Application number
AT81401005T
Other languages
English (en)
Inventor
Roland Bachelard
Robert Barral
Original Assignee
Criceram
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 Criceram filed Critical Criceram
Application granted granted Critical
Publication of ATE6849T1 publication Critical patent/ATE6849T1/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
    • C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
    • C01F7/32—Thermal decomposition of sulfates including complex sulfates, e.g. alums
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • 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)
  • Catalysts (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
AT81401005T 1980-07-01 1981-06-23 Verfahren zur herstellung von aluminiumoxyden mit grosser reinheit aus aluminiumalaun. ATE6849T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8014620A FR2486058A1 (fr) 1980-07-01 1980-07-01 Nouveau procede de preparation d'alumines de haute purete a partir d'alun d'ammonium
EP81401005A EP0043751B1 (de) 1980-07-01 1981-06-23 Verfahren zur Herstellung von Aluminiumoxyden mit grosser Reinheit aus Aluminiumalaun

Publications (1)

Publication Number Publication Date
ATE6849T1 true ATE6849T1 (de) 1984-04-15

Family

ID=9243712

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81401005T ATE6849T1 (de) 1980-07-01 1981-06-23 Verfahren zur herstellung von aluminiumoxyden mit grosser reinheit aus aluminiumalaun.

Country Status (10)

Country Link
US (1) US4377566A (de)
EP (1) EP0043751B1 (de)
JP (1) JPS5751118A (de)
AT (1) ATE6849T1 (de)
BR (1) BR8104170A (de)
CA (1) CA1162030A (de)
DE (1) DE3162876D1 (de)
FR (1) FR2486058A1 (de)
IL (1) IL63150A0 (de)
ZA (1) ZA814431B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2506748A1 (fr) * 1981-06-02 1982-12-03 Ugine Kuhlmann Procede de preparation d'alumines ou de spinelles alumine-magnesie tres divises a structure poreuse homogene
US4526763A (en) * 1982-05-03 1985-07-02 Atlantic Richfield Company Process for the production of alumina
JPS60171220A (ja) * 1984-02-14 1985-09-04 Nippon Cement Co Ltd アルミナ多孔体の製造方法
US5147630A (en) * 1989-06-05 1992-09-15 Reznek Steven R Method of producing alumina foams
CN1034921C (zh) * 1993-03-13 1997-05-21 山东淄博制酸厂 高纯超细氧化铝生产工艺及装置
JP5072136B2 (ja) * 1998-07-24 2012-11-14 千代田化工建設株式会社 多孔性スピネル型複合酸化物の製造方法
ES2374479B1 (es) * 2010-08-06 2012-12-26 Universitat De Valencia Procedimiento de obtención de corindón nanocristalino a partir de alumbres naturales o sintéticos.
CN109650420B (zh) * 2019-02-16 2021-03-23 中铝矿业有限公司 一段拜耳法种分生产砂状氧化铝的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1957767A (en) * 1933-06-30 1934-05-08 Kalunite Company Manufacture of alumina
US1957768A (en) * 1933-06-30 1934-05-08 Kalunite Company Manufacture of alumina
US2773741A (en) * 1952-11-25 1956-12-11 Cabot Godfrey L Inc Process for the production of aluminum oxide
DE933752C (de) * 1953-01-16 1955-10-06 Degussa Verfahren und Vorrichtung zur Herstellung feinverteilter Metalloxyde
FR1520669A (fr) * 1967-02-28 1968-04-12 Comp Generale Electricite Perfectionnement à la fabrication de l'alumine
US3679361A (en) * 1970-01-21 1972-07-25 Giovanni Bonelli Process for alum cracking and the so obtained products
JPS5140541B1 (de) * 1971-05-26 1976-11-04
US4085201A (en) * 1974-02-11 1978-04-18 Griffiths Kenneth F Process for manufacturing aluminum oxide
DE2419544A1 (de) * 1974-04-23 1975-11-06 Polysius Ag Verfahren zur herstellung von tonerde

Also Published As

Publication number Publication date
EP0043751A1 (de) 1982-01-13
FR2486058B1 (de) 1983-07-29
FR2486058A1 (fr) 1982-01-08
EP0043751B1 (de) 1984-03-28
DE3162876D1 (en) 1984-05-03
JPS5751118A (en) 1982-03-25
CA1162030A (fr) 1984-02-14
IL63150A0 (en) 1981-09-13
US4377566A (en) 1983-03-22
BR8104170A (pt) 1982-03-16
ZA814431B (en) 1982-07-28

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee