FR2535703B1 - Procede de preparation d'oxyde d'aluminium a, pauvre en alcali, a usages ceramiques - Google Patents

Procede de preparation d'oxyde d'aluminium a, pauvre en alcali, a usages ceramiques

Info

Publication number
FR2535703B1
FR2535703B1 FR8218881A FR8218881A FR2535703B1 FR 2535703 B1 FR2535703 B1 FR 2535703B1 FR 8218881 A FR8218881 A FR 8218881A FR 8218881 A FR8218881 A FR 8218881A FR 2535703 B1 FR2535703 B1 FR 2535703B1
Authority
FR
France
Prior art keywords
preparation
ceramic use
poor aluminum
alkali
alkali poor
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
FR8218881A
Other languages
English (en)
Other versions
FR2535703A1 (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.)
MAGYAR ALUMINIUM
Magyar Aluminiumipari Troeszt
Original Assignee
MAGYAR ALUMINIUM
Magyar Aluminiumipari Troeszt
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 MAGYAR ALUMINIUM, Magyar Aluminiumipari Troeszt filed Critical MAGYAR ALUMINIUM
Publication of FR2535703A1 publication Critical patent/FR2535703A1/fr
Application granted granted Critical
Publication of FR2535703B1 publication Critical patent/FR2535703B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C04B35/111—Fine ceramics
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR8218881A 1981-11-10 1982-11-10 Procede de preparation d'oxyde d'aluminium a, pauvre en alcali, a usages ceramiques Expired FR2535703B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU813358A HU185474B (en) 1981-11-10 1981-11-10 Process for preparing alpha-aluminium oxyde poor in alkali for ceramic purposes

Publications (2)

Publication Number Publication Date
FR2535703A1 FR2535703A1 (fr) 1984-05-11
FR2535703B1 true FR2535703B1 (fr) 1985-11-22

Family

ID=10963719

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8218881A Expired FR2535703B1 (fr) 1981-11-10 1982-11-10 Procede de preparation d'oxyde d'aluminium a, pauvre en alcali, a usages ceramiques

Country Status (8)

Country Link
US (1) US4477427A (fr)
CS (1) CS244120B2 (fr)
DD (1) DD205675A5 (fr)
DE (1) DE3241582A1 (fr)
FR (1) FR2535703B1 (fr)
GB (1) GB2108949B (fr)
HU (1) HU185474B (fr)
IT (1) IT1191068B (fr)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU185474B (en) * 1981-11-10 1985-02-28 Almasfuezitoei Timfoeldgyar Process for preparing alpha-aluminium oxyde poor in alkali for ceramic purposes
US5383945A (en) * 1984-01-19 1995-01-24 Norton Company Abrasive material and method
US4623364A (en) * 1984-03-23 1986-11-18 Norton Company Abrasive material and method for preparing the same
FI79830C (fi) * 1985-07-15 1990-03-12 Norddeutsche Schleifmittel Ind Foerfarande foer framstaellning av keramiskt polykristallint slipmaterial.
US5340781A (en) * 1986-07-14 1994-08-23 Showa Denko Kabushiki Kaisha Spherical corundum particles, process for preparation thereof and rubber or plastic composition having high thermal conductivity and having spherical corundum paticles incorporated therein
DE3629100A1 (de) * 1986-08-27 1988-03-03 Bosch Gmbh Robert Elektrochemisch stabile keramik aus aluminiumoxid
US5302368A (en) * 1987-01-29 1994-04-12 Sumitomo Chemical Company, Limited Process for preparation of alumina
US4822592A (en) * 1987-02-05 1989-04-18 Aluminum Company Of America Producing alpha alumina particles with pressurized acidic steam
ES2004759A6 (es) * 1987-07-17 1989-02-01 Espanola Alumina Sa Metodo de obtencion de alumina especial a partir del polvo producido en la calcinacion de alumina metalurgica
HU210595B (en) * 1988-02-03 1995-05-29 Almasfuezitoei Timfoeldgyar Process for producing aluminiume-oxides using to the ceramic which contains smaller than 1 micrometer one-crystalsize grains, too
US5296085A (en) * 1989-09-21 1994-03-22 Atochem Macrocrystalline α-alumina hexagonal platelets
AU639326B2 (en) * 1990-05-23 1993-07-22 Atochem Ceramic preforms comprising monocrystalline hexagonal platelets of alpha-alumina, their production and applications thereof
CN1068092A (zh) * 1991-06-21 1993-01-20 瑞士隆萨股份公司 生产以α-氧化铝为基质的烧结材料特别是磨料的方法
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
US5438129A (en) * 1993-09-27 1995-08-01 Becton Dickinson And Company DNA purification by solid phase extraction using partially fluorinated aluminum hydroxide adsorbant
RU2136596C1 (ru) * 1993-11-25 1999-09-10 Сумитомо Кемикал Компани, Лимитед СПОСОБ ПОЛУЧЕНИЯ ПОРОШКА α--ОКСИДА АЛЮМИНИЯ И ПОРОШОК α--ОКСИДА АЛЮМИНИЯ
AU699077B2 (en) * 1995-02-21 1998-11-19 Sumitomo Chemical Company, Limited Alpha-alumina and method for producing the same
JPH09263440A (ja) * 1996-03-29 1997-10-07 Ngk Insulators Ltd アルミナ焼結体およびその製造方法
JP3457495B2 (ja) * 1996-03-29 2003-10-20 日本碍子株式会社 窒化アルミニウム焼結体、金属埋設品、電子機能材料および静電チャック
AU2001295960A1 (en) * 2000-10-20 2002-05-06 Showa Denko K K Method of producing low soda alumina, low soda alumina and method of producing porcelain
US20050182172A1 (en) * 2001-12-27 2005-08-18 Katsuhiko Kamimura Particulate alumina, method for producing particulate alumina and composition containing particulate alumina
WO2004110931A2 (fr) * 2003-06-12 2004-12-23 Showa Denko K.K. Procede de production d'alumine particulaire et composition contenant de l'alumine particulaire
EP1658135A1 (fr) * 2003-08-22 2006-05-24 Union Carbide Chemicals & Plastics Technology Corporation Supports d'alumine modifies et catalyseurs a base d'argent utilises dans la production d'oxydes d'alkylene
EP1658136A1 (fr) * 2003-08-22 2006-05-24 Union Carbide Chemicals & Plastics Technology Corporation Supports d'alumine ameliores et catalyseurs a base d'argent pour la production d'oxydes d'alkylene
RU2360735C2 (ru) 2003-10-16 2009-07-10 Дау Текнолоджи Инвестментс Ллс Катализаторы для получения алкиленоксидов, имеющие улучшенную стабильность, эффективность и/или активность
JP5011105B2 (ja) * 2004-06-18 2012-08-29 シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー オレフィンオキシド、１，２−ジオール、１，２−ジオールエーテル、またはアルカノールアミンの製造方法
US7479565B2 (en) 2004-06-18 2009-01-20 Shell Oil Company Process for the production of an olefin oxide, a 1,2-diol, a 1,2-diol ether, or an alkanolamine
US8536083B2 (en) 2004-09-01 2013-09-17 Shell Oil Company Olefin epoxidation process, a catalyst for use in the process, a carrier for use in preparing the catalyst, and a process for preparing the carrier
EP1791635A2 (fr) * 2004-09-01 2007-06-06 Shell Internationale Research Maatschappij B.V. Procede d'epoxydation d'olefines, catalyseur a utiliser dans ce procede, support a utiliser dans la preparation du catalyseur, et procede de preparation du support
WO2006091478A1 (fr) * 2005-02-21 2006-08-31 Shell Internationale Research Maatschappij B.V. Procede d'epoxydation d'olefine, catalyseur utilisable dans le procede, porteur utilisable dans la fabrication du catalyseur et procede de fabrication du porteur
CN100348494C (zh) * 2005-08-26 2007-11-14 郑州大学 一种高分散性α－Al2O3纳米粉体的制备方法
DE102006005400A1 (de) 2006-02-18 2007-08-23 Nabaltec Ag Verfahren zur Herstellung von gereinigtem Aluminiumoxid aus alkalihaltiger Tonerde
CN114772618B (zh) * 2022-03-28 2023-07-04 中铝山东有限公司 一种研抛用类球形α氧化铝的制备方法
GB2621394A (en) 2022-08-12 2024-02-14 Thermo Fisher Scient Bremen Gmbh Methods and mass spectrometry systems for acquiring mass spectral data
GB2621395A (en) 2022-08-12 2024-02-14 Thermo Fisher Scient Bremen Gmbh Methods and mass spectrometry systems for acquiring mass spectral data
GB2621393A (en) 2022-08-12 2024-02-14 Thermo Fisher Scient Bremen Gmbh Methods and mass spectrometry systems for acquiring mass spectral data
CN117125731B (zh) * 2023-08-28 2024-04-26 福建明瑞科维新材料科技有限公司 一种降低氧化铝锻烧相变温度的矿化剂及其制备方法和应用

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1950883A (en) * 1932-05-31 1934-03-13 Aluminum Co Of America Treatment of aluminum hydrate
US3092452A (en) * 1959-08-18 1963-06-04 Aluminum Co Of America Production of low-soda alumina
US3092453A (en) * 1959-08-18 1963-06-04 Aluminum Co Of America Production of low-soda alumina
GB1046582A (en) * 1964-03-04 1966-10-26 Gen Motors Ltd Improved method of producing alumina
US3262754A (en) * 1964-12-07 1966-07-26 Aluminium Lab Ltd Method of making low soda alumina of small crystal size
US4045234A (en) * 1976-08-23 1977-08-30 Kaiser Aluminum & Chemical Corporation Process for producing high density sintered alumina
DE2816194A1 (de) * 1978-04-14 1979-10-25 Giulini Chemie Sinteraktive und alkaliarme tonerde
CH654819A5 (de) * 1980-09-23 1986-03-14 Alusuisse Verfahren zur herstellung von grobkristallinem alpha-aluminiumoxid und dessen verwendung.
HU185474B (en) * 1981-11-10 1985-02-28 Almasfuezitoei Timfoeldgyar Process for preparing alpha-aluminium oxyde poor in alkali for ceramic purposes

Also Published As

Publication number Publication date
DD205675A5 (de) 1984-01-04
CS797482A2 (en) 1985-08-15
DE3241582A1 (de) 1983-06-01
IT1191068B (it) 1988-02-24
GB2108949B (en) 1985-03-06
US4477427A (en) 1984-10-16
HU185474B (en) 1985-02-28
GB2108949A (en) 1983-05-25
CS244120B2 (en) 1986-07-17
FR2535703A1 (fr) 1984-05-11
IT8224155A0 (it) 1982-11-10
DE3241582C2 (fr) 1991-07-25

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Legal Events

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ST Notification of lapse