RU95106468A - Способ получения порошка альфа - модификации оксида алюминия, порошок альфа - модификации оксида алюминия - Google Patents
Способ получения порошка альфа - модификации оксида алюминия, порошок альфа - модификации оксида алюминияInfo
- Publication number
- RU95106468A RU95106468A RU95106468/25A RU95106468A RU95106468A RU 95106468 A RU95106468 A RU 95106468A RU 95106468/25 A RU95106468/25 A RU 95106468/25A RU 95106468 A RU95106468 A RU 95106468A RU 95106468 A RU95106468 A RU 95106468A
- Authority
- RU
- Russia
- Prior art keywords
- modification
- oxide powder
- aluminium oxide
- producing
- vol
- 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
- C01F7/30—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
- 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
- C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
- C01P2004/22—Particle morphology extending in two dimensions, e.g. plate-like with a polygonal circumferential shape
-
- 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
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)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
Порошок альфа-модификации оксида алюминия получают непосредственно из минерала или соединения, которое содержит алюминий и кремний, прокаливанием минерала или соединения при 600 - 1400С в среде, содержащей по крайней мере 1,0% по объему фтористого водорода, или в среде, содержащей по крайней мере 1,0% по объему фторного газа и по крайней мере 0,1% по объему пара.
Claims (1)
- Порошок альфа-модификации оксида алюминия получают непосредственно из минерала или соединения, которое содержит алюминий и кремний, прокаливанием минерала или соединения при 600 - 1400oС в среде, содержащей по крайней мере 1,0% по объему фтористого водорода, или в среде, содержащей по крайней мере 1,0% по объему фторного газа и по крайней мере 0,1% по объему пара.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11352994 | 1994-04-28 | ||
JP113529/1994 | 1994-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
RU95106468A true RU95106468A (ru) | 1997-01-10 |
Family
ID=14614641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU95106468/25A RU95106468A (ru) | 1994-04-28 | 1995-04-27 | Способ получения порошка альфа - модификации оксида алюминия, порошок альфа - модификации оксида алюминия |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0679611B1 (ru) |
KR (1) | KR950031903A (ru) |
CN (1) | CN1069292C (ru) |
DE (1) | DE69510989T2 (ru) |
RU (1) | RU95106468A (ru) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2003900030A0 (en) * | 2003-01-07 | 2003-01-23 | Advanced Nano Technologies Pty Ltd | Process for the production of ultrafine plate-like alumina particles |
CN101767039B (zh) | 2003-10-16 | 2015-04-01 | 陶氏技术投资有限责任公司 | 用于烯化氧制备的具有提高稳定性、效率和/或活性的催化剂 |
BRPI0512172A (pt) | 2004-06-18 | 2008-02-12 | Shell Int Research | processo para a produção de óxido de olefina, 1,2-diol, éter de 1,2-diol ou alcanolamina |
EP1765800B1 (en) | 2004-06-18 | 2012-04-18 | Shell Internationale Research Maatschappij B.V. | A 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 |
JP5697298B2 (ja) | 2004-09-01 | 2015-04-08 | 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 | オレフィンのエポキシ化方法、該方法に用いる触媒、該触媒の調製に用いる担体、および該担体の調製方法 |
WO2007068057A1 (en) * | 2005-12-14 | 2007-06-21 | Karalee Research Pty Limited | Extraction and purification of minerals from aluminium ores |
WO2008011167A2 (en) | 2006-07-21 | 2008-01-24 | Dow Global Technologies Inc. | Imroved diesel particulate filter |
RU2009120540A (ru) * | 2006-11-01 | 2010-12-10 | Дау Глобал Текнолоджиз Инк. (Us) | Формованные пористые элементы из альфа-оксида алюминия и способы их получения |
EP1962081B1 (de) | 2007-02-21 | 2016-09-14 | Agfa HealthCare N.V. | System zur optischen Kohärenztomographie |
EP1962052B1 (de) | 2007-02-21 | 2010-07-14 | Agfa HealthCare N.V. | System und Verfahren zur optischen Kohärenztomographie |
ES2525113T3 (es) | 2007-02-21 | 2014-12-18 | Agfa Healthcare N.V. | Sistema para tomografía de coherencia óptica |
EP1962049B1 (de) | 2007-02-21 | 2015-12-23 | Agfa HealthCare N.V. | System und Verfahren zur optischen Kohärenztomographie |
EP1962050B1 (de) | 2007-02-21 | 2015-12-23 | Agfa HealthCare N.V. | System und Verfahren zur optischen Kohärenztomographie sowie Verfahren zur Kalibrierung eines solchen Systems |
EP1962051A1 (de) | 2007-02-21 | 2008-08-27 | Agfa HealthCare N.V. | System und Verfahren zur optischen Kohärenztomographie |
EP2339329A3 (de) | 2007-02-21 | 2012-04-04 | Agfa HealthCare N.V. | System und Verfahren zur optischen Kohärenztomographie |
EP1962079B1 (de) | 2007-02-21 | 2016-06-01 | Agfa HealthCare N.V. | System und Verfahren zur optischen Kohärenztomographie |
DE102011111224A1 (de) * | 2011-08-20 | 2013-02-21 | Evonik Degussa Gmbh | Verfahren zur Herstellung von alpha-Aluminiumoxid |
CN102910659B (zh) * | 2012-10-29 | 2014-07-30 | 上海飞凯光电材料股份有限公司 | 一种高纯氧化铝的制备方法及其应用 |
CN105197973B (zh) * | 2015-09-09 | 2017-03-22 | 洛阳国兴矿业科技有限公司 | 利用低品铝土矿制取氧化铝的方法 |
CN111517343B (zh) * | 2020-05-15 | 2022-08-05 | 江西鹏腾实业有限公司 | 一种高纯纳米氧化铝的制备方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1159418B (de) * | 1961-04-01 | 1963-12-19 | Vaw Ver Aluminium Werke Ag | Verfahren zur Calcination von Aluminiumhydroxid |
SU485971A1 (ru) * | 1972-07-18 | 1975-09-30 | Казахский политехнический институт им.В.И.Ленина | Спос обескремнивани гидрата окиси алюмини |
CH654819A5 (de) * | 1980-09-23 | 1986-03-14 | Alusuisse | Verfahren zur herstellung von grobkristallinem alpha-aluminiumoxid und dessen verwendung. |
US4699770A (en) * | 1984-11-28 | 1987-10-13 | David Weston | Production of a purified alumina-silica product and substantially pure aluminum chloride from bauxites, bauxitic clays, kaolinitic clays and mixtures thereof |
JPS6246922A (ja) * | 1985-08-21 | 1987-02-28 | Riyouka Keikinzoku Kogyo Kk | 高純度アルミナの製造方法 |
JPS62253393A (ja) * | 1986-01-21 | 1987-11-05 | Yamasa Shoyu Co Ltd | リボヌクレオシドの製造法 |
RU2107662C1 (ru) * | 1992-06-02 | 1998-03-27 | Сумитомо Кемикал Компани, Лимитед | α ОКСИД АЛЮМИНИЯ |
IL109236A (en) * | 1993-04-13 | 1998-01-04 | Sumitomo Chemical Co | A-alumina powder and its production |
-
1995
- 1995-04-24 DE DE69510989T patent/DE69510989T2/de not_active Expired - Lifetime
- 1995-04-24 EP EP95106104A patent/EP0679611B1/en not_active Expired - Lifetime
- 1995-04-25 CN CN95104728A patent/CN1069292C/zh not_active Expired - Fee Related
- 1995-04-25 KR KR1019950009850A patent/KR950031903A/ko not_active Application Discontinuation
- 1995-04-27 RU RU95106468/25A patent/RU95106468A/ru unknown
Also Published As
Publication number | Publication date |
---|---|
CN1114291A (zh) | 1996-01-03 |
EP0679611A1 (en) | 1995-11-02 |
KR950031903A (ko) | 1995-12-20 |
DE69510989T2 (de) | 2000-01-20 |
EP0679611B1 (en) | 1999-07-28 |
CN1069292C (zh) | 2001-08-08 |
DE69510989D1 (de) | 1999-09-02 |
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