CA1162030A - Procede de preparation d'alumines de haute purete a partir d'alun d'ammonium - Google Patents

Procede de preparation d'alumines de haute purete a partir d'alun d'ammonium

Info

Publication number
CA1162030A
CA1162030A CA000380888A CA380888A CA1162030A CA 1162030 A CA1162030 A CA 1162030A CA 000380888 A CA000380888 A CA 000380888A CA 380888 A CA380888 A CA 380888A CA 1162030 A CA1162030 A CA 1162030A
Authority
CA
Canada
Prior art keywords
alum
alumina
carried out
dehydrated
gas
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.)
Expired
Application number
CA000380888A
Other languages
English (en)
French (fr)
Inventor
Roland Bachelard
Robert Barral
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.)
Produits Chimiques Ugine Kuhlmann
Original Assignee
Produits Chimiques Ugine Kuhlmann
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 Produits Chimiques Ugine Kuhlmann filed Critical Produits Chimiques Ugine Kuhlmann
Application granted granted Critical
Publication of CA1162030A publication Critical patent/CA1162030A/fr
Expired legal-status Critical Current

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)
CA000380888A 1980-07-01 1981-06-30 Procede de preparation d'alumines de haute purete a partir d'alun d'ammonium Expired CA1162030A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8014620 1980-07-01
FR8014620A FR2486058A1 (fr) 1980-07-01 1980-07-01 Nouveau procede de preparation d'alumines de haute purete a partir d'alun d'ammonium

Publications (1)

Publication Number Publication Date
CA1162030A true CA1162030A (fr) 1984-02-14

Family

ID=9243712

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000380888A Expired CA1162030A (fr) 1980-07-01 1981-06-30 Procede de preparation d'alumines de haute purete a partir d'alun d'ammonium

Country Status (10)

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

Families Citing this family (9)

* 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
JP2023536214A (ja) * 2020-06-26 2023-08-24 ビーエーエスエフ ソシエタス・ヨーロピア 打錠アルファ-アルミナ触媒支持体

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1957768A (en) * 1933-06-30 1934-05-08 Kalunite Company Manufacture of alumina
US1957767A (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 (OSRAM) * 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
EP0043751B1 (fr) 1984-03-28
DE3162876D1 (en) 1984-05-03
FR2486058A1 (fr) 1982-01-08
JPS5751118A (en) 1982-03-25
EP0043751A1 (fr) 1982-01-13
FR2486058B1 (OSRAM) 1983-07-29
BR8104170A (pt) 1982-03-16
ZA814431B (en) 1982-07-28
US4377566A (en) 1983-03-22
IL63150A0 (en) 1981-09-13
ATE6849T1 (de) 1984-04-15

Similar Documents

Publication Publication Date Title
EP0043751B1 (fr) Nouveau procédé de préparation d'alumines de haute pureté à partir d'alun d'ammonium
CA1211921A (fr) Procede de preparation d'alumines de haute purete a partir de solutions impures de chlorure d'aluminium
WO2006028271A2 (en) Process for producing manganese fluoride
US7038180B2 (en) Isostat for treating materials and method of removing ceramic material from metal articles using the same
CA1164848A (fr) Procede de preparation d'alumines ou de spinelles alumine-magnesie tres divises a structure poreuse homogene
WO1983003820A1 (fr) Procede d'obtention de uo3 de grande surface specifique a partir de nitrate d'uranyle hydrate
FR2735706A1 (fr) Procede de passivation des fines de reacteur d'organochlorosilane et de recuperation de chlorosilanes de valeur a partir de ces dernieres
WO2004046032A1 (fr) Procede de production de diamant, de graphite ou d'un melange de diamant et de graphite
CA2259481A1 (en) Direct extraction and/or purification of high purity maltol and essential oils by sublimation process
JP2005505486A (ja) アルカリ土類およびアルカリ金属フッ化物の供給原料の調製
BE472116A (fr) Fabrication de chlorure de calcium
US1874735A (en) Process of dehydrating magnesium chloride
CA1339601C (fr) Granules de chlorure d'aluminium et procede pour les obtenir
SU1726380A1 (ru) Способ получени безводного хлорида магни
CN113698197A (zh) 一种深过冷快速凝固法制备焦绿石结构Bi2Ti2O7陶瓷的方法
FR2523968A1 (fr) Perfectionnement au procede de fabrication de l'acide cyanurique par chauffage de l'uree a une temperature superieure a sa temperature de fusion
EP0578240A2 (en) Process for producing oxamide granules
JPH0361601B2 (OSRAM)
RU2237019C1 (ru) Кислородсодержащее гидратированное соединение алюминия и способ его получения
SU874604A1 (ru) Способ непрерывного получени окислов элементов
US3258059A (en) Process and apparatus for removing water from inorganic material
SU419111A1 (ru) Способ получени сублимированного нафталина
RU2148010C1 (ru) Способ получения триполифосфата натрия
US1591715A (en) Method of sublimation
SU967549A1 (ru) Способ получени углеродного адсорбента

Legal Events

Date Code Title Description
MKEX Expiry