IL111763A - Method for alpha-alumina powder production - Google Patents
Method for alpha-alumina powder productionInfo
- Publication number
- IL111763A IL111763A IL11176394A IL11176394A IL111763A IL 111763 A IL111763 A IL 111763A IL 11176394 A IL11176394 A IL 11176394A IL 11176394 A IL11176394 A IL 11176394A IL 111763 A IL111763 A IL 111763A
- Authority
- IL
- Israel
- Prior art keywords
- gas
- halogen
- alumina
- alumina powder
- temperature
- Prior art date
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
-
- 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
-
- 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
-
- 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
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/50—Agglomerated particles
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
- C01P2004/52—Particles with a specific particle size distribution highly monodisperse size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
-
- 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
-
- 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
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- 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
- C01P2006/21—Attrition-index or crushing strength of granulates
-
- 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
- C01P2006/80—Compositional purity
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32116793 | 1993-11-25 | ||
JP32116893 | 1993-11-25 | ||
JP32116593 | 1993-11-25 | ||
JP29999893 | 1993-11-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
IL111763A0 IL111763A0 (en) | 1995-01-24 |
IL111763A true IL111763A (en) | 1998-08-16 |
Family
ID=27479765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL11176394A IL111763A (en) | 1993-11-25 | 1994-11-24 | Method for alpha-alumina powder production |
Country Status (9)
Country | Link |
---|---|
US (1) | US6524549B1 (de) |
EP (1) | EP0656319B1 (de) |
KR (1) | KR950013987A (de) |
CN (1) | CN1069291C (de) |
AU (1) | AU690149B2 (de) |
CA (1) | CA2136582A1 (de) |
DE (1) | DE69432451T2 (de) |
IL (1) | IL111763A (de) |
RU (1) | RU2136596C1 (de) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6936236B2 (en) * | 2000-04-27 | 2005-08-30 | Sumitomo Chemical Company, Limited | Method for producing an inorganic oxide powder |
JP4122746B2 (ja) * | 2001-05-21 | 2008-07-23 | 住友化学株式会社 | 微粒αアルミナ粉末の製造方法 |
US20030125418A1 (en) * | 2001-10-10 | 2003-07-03 | Show A Denko K.K. | Particulate alumina, method for producing particulate alumina, and composition containing particulate alumina |
JP2003192339A (ja) * | 2001-12-27 | 2003-07-09 | Showa Denko Kk | アルミナ粒、アルミナ粒の製造方法およびアルミナ粒を含む組成物 |
TWI254699B (en) * | 2002-01-16 | 2006-05-11 | Sumitomo Chemical Co | Calcined alumina, its production method and fine alpha\-alumina powder obtained by using the calcined alumina |
TW200540116A (en) * | 2004-03-16 | 2005-12-16 | Sumitomo Chemical Co | Method for producing an α-alumina powder |
US20050232824A1 (en) * | 2004-04-14 | 2005-10-20 | Pangrcic Robert A | High temperature electrolyte testing container |
WO2008035656A1 (fr) * | 2006-09-19 | 2008-03-27 | Sumitomo Chemical Company, Limited | POUDRE D'ALUMINE α |
EP3677334B1 (de) * | 2006-11-01 | 2024-06-19 | Dow Global Technologies Llc | Alpha-aluminiumoxidträger für epoxidierungskatalysator und epoxidierungsverfahren |
JP5414694B2 (ja) | 2007-12-27 | 2014-02-12 | スリーエム イノベイティブ プロパティズ カンパニー | 成形され断裂された研磨粒子及びこの研磨粒子を使用する研磨物品、並びにそれらの作製方法 |
EP2282832A1 (de) * | 2008-04-30 | 2011-02-16 | Dow Technology Investments LLC | Vorläufer von porösen körpern, poröse formkörper, herstellungverfahren dafür und endprodukte auf ihrer basis |
US8142531B2 (en) | 2008-12-17 | 2012-03-27 | 3M Innovative Properties Company | Shaped abrasive particles with a sloping sidewall |
JP5525546B2 (ja) | 2008-12-17 | 2014-06-18 | スリーエム イノベイティブ プロパティズ カンパニー | 溝を有する成形された研磨粒子 |
JP5427754B2 (ja) * | 2009-11-20 | 2014-02-26 | 住友化学株式会社 | サファイア単結晶製造用αアルミナ |
KR101832002B1 (ko) | 2010-03-03 | 2018-02-23 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 접합된 연마 휠 |
JP5766442B2 (ja) * | 2011-01-04 | 2015-08-19 | 住友化学株式会社 | サファイア単結晶製造用αアルミナ焼結体 |
RU2588960C2 (ru) | 2011-03-18 | 2016-07-10 | Орбит Элюминэ Инк. | Способы извлечения редкоземельных элементов из алюминийсодержащих материалов |
EP2705169A4 (de) | 2011-05-04 | 2015-04-15 | Orbite Aluminae Inc | Verfahren zur wiedergewinnung von seltenerdelementen aus verschiedenen erzen |
CA2848751C (en) | 2011-09-16 | 2020-04-21 | Orbite Aluminae Inc. | Processes for preparing alumina and various other products |
EP2802675B1 (de) | 2012-01-10 | 2020-03-11 | Orbite Aluminae Inc. | Verfahren zur behandlung von rotschlamm |
JP2015518414A (ja) | 2012-03-29 | 2015-07-02 | オーバイト アルミナ インコーポレイテッドOrbite Aluminae Inc. | フライアッシュ処理プロセス |
RU2597096C2 (ru) | 2012-07-12 | 2016-09-10 | Орбит Алюминэ Инк. | Способы получения оксида титана и различных других продуктов |
WO2014051091A1 (ja) * | 2012-09-28 | 2014-04-03 | Dic株式会社 | α-アルミナ微粒子及びその製造方法 |
CA2891427C (en) | 2012-11-14 | 2016-09-20 | Orbite Aluminae Inc. | Methods for purifying aluminium ions |
RU2530070C1 (ru) * | 2013-04-23 | 2014-10-10 | Федеральное государственное бюджетное учреждение науки Институт теплофизики им. С.С. Кутателадзе Сибирского отделения Российской академии наук (ИТ СО РАН) | СПОСОБ СИНТЕЗА ПОЛЫХ НАНОЧАСТИЦ γ-Al2O3 |
RU2528979C1 (ru) * | 2013-05-13 | 2014-09-20 | Общество с ограниченной ответственностью "ПРИМА" | Способ получения альфа-фазы оксида алюминия |
CN105658715B (zh) * | 2013-10-24 | 2017-11-28 | Dic株式会社 | 树脂组合物、散热材料及散热构件 |
US20170121182A1 (en) * | 2014-05-30 | 2017-05-04 | Orbite Technologies Inc. | Calcination processes for preparing various types of alumina |
CN104528787B (zh) * | 2014-12-19 | 2016-01-20 | 贵州天合国润高新材料科技有限公司 | 一种制备细粒径氧化铝粉末的方法 |
CN104787787B (zh) * | 2015-02-16 | 2016-08-24 | 刘冠华 | 一种采用机械破碎制备超微氧化铝粉的方法 |
RU2625388C2 (ru) * | 2015-08-11 | 2017-07-13 | Федеральное государственное бюджетное учреждение науки Институт общей и неорганической химии им. Н.С. Курнакова Российской академии наук (ИОНХ РАН) | Способ получения наполнителей для строительных материалов |
RU2625104C1 (ru) * | 2016-06-09 | 2017-07-11 | Федеральное государственное бюджетное учреждение науки Институт химии твердого тела и механохимии Сибирского отделения Российской академии наук (ИХТТМ СО РАН) | Способ получения субмикронного порошка альфа-оксида алюминия |
WO2019194158A1 (ja) * | 2018-04-06 | 2019-10-10 | Dic株式会社 | アルミナ粒子 |
CN108950282B (zh) * | 2018-08-17 | 2019-10-29 | 荆门它山之石电子科技有限公司 | 一种含有微孔的铝合金的制备方法 |
CN112897996B (zh) * | 2021-01-27 | 2023-02-03 | 中铝山东有限公司 | 一种原晶粒集中的α氧化铝的制备方法及粒径的控制方法 |
CN113184886B (zh) * | 2021-04-14 | 2023-01-31 | 雅安百图高新材料股份有限公司 | 一种高导热球形氧化铝的制备方法及产品 |
CN113233488B (zh) * | 2021-05-08 | 2023-03-21 | 中铝山东有限公司 | 一种原晶粒度分布窄的α-氧化铝的制备方法 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA678220A (en) * | 1964-01-14 | G. Lindsay James | Treatment of alumina | |
US811433A (en) * | 1905-04-03 | 1906-01-30 | Cie Des Prod Chim D Alais Et De La Camargue | Calcination of hydrated alumina. |
NL221775A (de) * | 1956-10-24 | |||
DE1642994A1 (de) | 1967-01-21 | 1971-06-03 | Degussa | Verfahren zum Reinigen von hochdispersen Oxiden |
US3442606A (en) * | 1967-02-07 | 1969-05-06 | Reynolds Metals Co | Removal of fluorine from alumina by steam |
US4018881A (en) * | 1971-07-15 | 1977-04-19 | Exxon Research And Engineering Company | High surface area alumina and method for the preparation thereof |
US3961036A (en) * | 1974-01-04 | 1976-06-01 | Exxon Research And Engineering Company | Alumina synthesis |
US3950507A (en) * | 1974-03-19 | 1976-04-13 | Boreskov Georgy Konstantinovic | Method for producing granulated porous corundum |
DE2623482C2 (de) * | 1976-05-26 | 1985-06-27 | Alcoa Chemie GmbH, 6700 Ludwigshafen | Verfahren zur Herstellung eines kristallinen Aluminiumoxids für Polier-, Läpp- und Schleifmittel |
DE2850064B1 (de) * | 1978-11-18 | 1980-05-08 | Giulini Chemie | Hexagonale tafelfoermige alpha-Aluminiumoxid-Einkristalle und Verfahren zu ihrer Herstellung |
AU553950B2 (en) * | 1981-04-29 | 1986-07-31 | Comalco Aluminium Limited | Recovery of alumina from aluminous ores |
HU185474B (en) * | 1981-11-10 | 1985-02-28 | Almasfuezitoei Timfoeldgyar | Process for preparing alpha-aluminium oxyde poor in alkali for ceramic purposes |
EP0105025B1 (de) * | 1982-08-24 | 1987-04-29 | Schweizerische Aluminium Ag | Verfahren zur Herstellung von kristalliner Tonerde |
US4634581A (en) * | 1983-08-03 | 1987-01-06 | Atlantic Richfield Company | Production of high purity alumina |
JPS60131825A (ja) | 1983-12-21 | 1985-07-13 | Sumitomo Alum Smelt Co Ltd | 低ソ−ダアルミナの製造方法 |
JPS61146719A (ja) | 1984-12-17 | 1986-07-04 | Nisshin Steel Co Ltd | 酸化鉄より塩素イオンを除去する方法 |
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 |
US4847064A (en) * | 1987-12-23 | 1989-07-11 | Aluminum Company Of America | Economical process for alpha alumina production |
US5302368A (en) * | 1987-01-29 | 1994-04-12 | Sumitomo Chemical Company, Limited | Process for preparation of alumina |
DE3870637D1 (de) | 1987-01-29 | 1992-06-11 | Sumitomo Chemical Co | Verfahren zur herstellung von aluminiumoxid. |
US4822592A (en) * | 1987-02-05 | 1989-04-18 | Aluminum Company Of America | Producing alpha alumina particles with pressurized acidic steam |
US5149520A (en) * | 1987-12-23 | 1992-09-22 | Aluminum Company Of America | Small sized alpha alumina particles and platelets |
FR2652075B1 (fr) | 1989-09-21 | 1991-12-06 | Atochem | Macrocristaux d'alumine alpha sous forme de plaquettes et procede d'obtention. |
JPH03294436A (ja) | 1990-04-12 | 1991-12-25 | Nippon Steel Corp | 金属チタン粉末からの塩素除去方法 |
JPH04198014A (ja) | 1990-11-28 | 1992-07-17 | Toshiba Corp | 酸化アルミニウム中の塩素除去方法及びガスセンサ |
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 |
-
1994
- 1994-11-24 EP EP94118504A patent/EP0656319B1/de not_active Expired - Lifetime
- 1994-11-24 DE DE69432451T patent/DE69432451T2/de not_active Expired - Lifetime
- 1994-11-24 RU RU94042255A patent/RU2136596C1/ru active
- 1994-11-24 IL IL11176394A patent/IL111763A/en active IP Right Grant
- 1994-11-24 CA CA002136582A patent/CA2136582A1/en not_active Abandoned
- 1994-11-25 CN CN94120185A patent/CN1069291C/zh not_active Expired - Fee Related
- 1994-11-25 AU AU79040/94A patent/AU690149B2/en not_active Ceased
- 1994-11-25 KR KR1019940031153A patent/KR950013987A/ko not_active Application Discontinuation
-
1996
- 1996-10-15 US US08/730,217 patent/US6524549B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR950013987A (ko) | 1995-06-15 |
US6524549B1 (en) | 2003-02-25 |
CA2136582A1 (en) | 1995-05-26 |
AU690149B2 (en) | 1998-04-23 |
EP0656319B1 (de) | 2003-04-09 |
EP0656319A3 (de) | 1995-09-27 |
AU7904094A (en) | 1995-06-01 |
CN1108215A (zh) | 1995-09-13 |
RU94042255A (ru) | 1996-09-20 |
EP0656319A2 (de) | 1995-06-07 |
CN1069291C (zh) | 2001-08-08 |
RU2136596C1 (ru) | 1999-09-10 |
IL111763A0 (en) | 1995-01-24 |
DE69432451D1 (de) | 2003-05-15 |
DE69432451T2 (de) | 2004-03-11 |
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