DE3781630D1 - Verfahren zur herstellung von weitgehend reinem aluminiumoxid. - Google Patents

Verfahren zur herstellung von weitgehend reinem aluminiumoxid.

Info

Publication number
DE3781630D1
DE3781630D1 DE8787630181T DE3781630T DE3781630D1 DE 3781630 D1 DE3781630 D1 DE 3781630D1 DE 8787630181 T DE8787630181 T DE 8787630181T DE 3781630 T DE3781630 T DE 3781630T DE 3781630 D1 DE3781630 D1 DE 3781630D1
Authority
DE
Germany
Prior art keywords
producing
aluminum oxide
pure aluminum
alumina
resultiang
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 - Lifetime
Application number
DE8787630181T
Other languages
English (en)
Inventor
Marc S Newkirk
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.)
Lanxide Technology Co LP
Original Assignee
Lanxide Technology Co LP
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 Lanxide Technology Co LP filed Critical Lanxide Technology Co LP
Application granted granted Critical
Publication of DE3781630D1 publication Critical patent/DE3781630D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C01F7/38—Preparation of aluminium oxide by thermal reduction of aluminous minerals
    • 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
    • C01F7/46—Purification of aluminium oxide, aluminium hydroxide or 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
    • C01F7/42—Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation
    • C01F7/422—Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation by oxidation with a gaseous oxidator at a high temperature
    • 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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • C04B35/65—Reaction sintering of free metal- or free silicon-containing compositions
    • C04B35/652—Directional oxidation or solidification, e.g. Lanxide process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Thermal Sciences (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Powder Metallurgy (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
  • Prostheses (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Catalysts (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
DE8787630181T 1986-09-16 1987-09-10 Verfahren zur herstellung von weitgehend reinem aluminiumoxid. Expired - Lifetime DE3781630D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/907,934 US4820498A (en) 1986-09-16 1986-09-16 Method for producing substantially pure alumina material

Publications (1)

Publication Number Publication Date
DE3781630D1 true DE3781630D1 (de) 1992-10-15

Family

ID=25424881

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787630181T Expired - Lifetime DE3781630D1 (de) 1986-09-16 1987-09-10 Verfahren zur herstellung von weitgehend reinem aluminiumoxid.

Country Status (28)

Country Link
US (1) US4820498A (de)
EP (1) EP0261061B1 (de)
JP (1) JP2708425B2 (de)
KR (1) KR950010804B1 (de)
CN (1) CN1014509B (de)
AT (1) ATE80362T1 (de)
AU (1) AU598586B2 (de)
BG (1) BG60244B2 (de)
BR (1) BR8704676A (de)
CA (1) CA1329465C (de)
CZ (1) CZ279044B6 (de)
DD (1) DD279462A5 (de)
DE (1) DE3781630D1 (de)
DK (1) DK480487A (de)
FI (1) FI86839C (de)
HU (1) HU203854B (de)
IE (1) IE61527B1 (de)
IL (1) IL83809A (de)
IN (1) IN168227B (de)
MX (1) MX165270B (de)
NZ (1) NZ221740A (de)
PH (1) PH24798A (de)
PL (1) PL154684B1 (de)
PT (1) PT85707B (de)
RU (1) RU1776197C (de)
TR (1) TR26303A (de)
YU (1) YU45448B (de)
ZA (1) ZA876910B (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
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US4996176A (en) * 1986-09-16 1991-02-26 Lanxide Technology Company, Lp Reservoir feed method of making ceramic composite structures and structures made thereby
US5007476A (en) * 1988-11-10 1991-04-16 Lanxide Technology Company, Lp Method of forming metal matrix composite bodies by utilizing a crushed polycrystalline oxidation reaction product as a filler, and products produced thereby
US5329984A (en) * 1990-05-09 1994-07-19 Lanxide Technology Company, Lp Method of forming a filler material for use in various metal matrix composite body formation processes
US5232040A (en) * 1990-07-12 1993-08-03 Lanxide Technology Company, Lp Method for reducing metal content of self-supporting composite bodies and articles formed thereby
US5435966A (en) * 1991-07-12 1995-07-25 Lanxide Technology Company, Lp Reduced metal content ceramic composite bodies
CA2099734A1 (en) * 1992-07-01 1994-01-02 Akihiko Takahashi Process for preparing polyhedral alpha-alumina particles
US5277702A (en) * 1993-03-08 1994-01-11 St. Gobain/Norton Industrial Ceramics Corp. Plately alumina
US5350003A (en) * 1993-07-09 1994-09-27 Lanxide Technology Company, Lp Removing metal from composite bodies and resulting products
BRPI0811938A2 (pt) 2007-05-21 2014-11-25 Exploration Orbite Vspa Inc Processos para a extração de alumínio e de ferro a partir de minérios aluminosos
CN101941727A (zh) * 2010-09-14 2011-01-12 李振亚 作为焰熔法生产蓝宝石晶体之原料的氧化铝粉末生产方法
AU2012231686B2 (en) 2011-03-18 2015-08-27 Aem Technologies Inc. Processes for recovering rare earth elements from aluminum-bearing materials
WO2012149642A1 (en) 2011-05-04 2012-11-08 Orbite Aluminae Inc. Processes for recovering rare earth elements from various ores
JP2014519468A (ja) 2011-06-03 2014-08-14 オーバイト アルミナ インコーポレイテッド ヘマタイトの調製方法
CN104039706A (zh) 2011-09-16 2014-09-10 奥贝特铝业有限公司 制备氧化铝和各种其他产品的工艺
CN102674419B (zh) * 2011-11-22 2014-02-05 昆明马克西姆科技有限公司 一种高纯度超细Al2O3粉末的制备方法
US9023301B2 (en) 2012-01-10 2015-05-05 Orbite Aluminae Inc. Processes for treating red mud
RU2633579C9 (ru) 2012-03-29 2017-12-25 Орбит Алюминэ Инк. Способы обработки летучей золы
CA2878744C (en) 2012-07-12 2020-09-15 Orbite Aluminae Inc. Processes for preparing aluminum chloride and various other products by hcl leaching
CA2885255C (en) 2012-09-26 2015-12-22 Orbite Aluminae Inc. Processes for preparing alumina and magnesium chloride by hc1 leaching of various materials
CA2891427C (en) 2012-11-14 2016-09-20 Orbite Aluminae Inc. Methods for purifying aluminium ions
US9651652B2 (en) * 2013-02-07 2017-05-16 L3 Technologies, Inc. Interference cancellation system for location and direction finding
JP2014197649A (ja) * 2013-03-29 2014-10-16 株式会社アドマテックス ３次元実装型半導体装置、樹脂組成物及びその製造方法
CN103803619A (zh) * 2014-03-07 2014-05-21 袁志刚 用微细金属铝粉生产高纯氧化铝粉的方法
WO2017019697A1 (en) * 2015-07-29 2017-02-02 The Government Of The United States Of America, As Represented By The Secretary Of The Navy Low absorption spinel formed by acidic and basic treatments
CN110817917B (zh) * 2019-10-17 2021-06-01 东北大学 一种高纯氧化铝的制备方法
CN112979286B (zh) * 2021-01-18 2022-08-12 成都宏科电子科技有限公司 用于高密度封装外壳的氧化铝陶瓷、其制备方法及生瓷带

Family Cites Families (29)

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Publication number Priority date Publication date Assignee Title
US228867A (en) * 1880-06-15 William chadwick
US725683A (en) * 1901-03-22 1903-04-21 Charles A Doremus Process of obtaining alumina.
US1036453A (en) * 1912-06-04 1912-08-20 David H Childs Process of producing aluminum fluorid.
US1079899A (en) * 1913-04-22 1913-11-25 Howard F Chappell Purifying alumina.
US1262063A (en) * 1914-08-01 1918-04-09 William F Jobbins Inc Process of treating aluminum skimmings, screenings, &c.
US1798261A (en) * 1925-12-04 1931-03-31 Aluminum Co Of America Purifying alumina
US1777570A (en) * 1925-06-01 1930-10-07 Swann Res Inc Process for the purification of aluminous oxide
GB339028A (en) * 1928-10-22 1930-12-04 Felix Jourdan Process for eliminating the silica in the treatment of natural silicates with acids for the purpose of rendering soluble some of their constituents
US2249761A (en) * 1938-08-05 1941-07-22 Chemical Foundation Inc Acid process for the extraction of alumina
US2741822A (en) * 1951-01-29 1956-04-17 Carborundum Co Preparation of refractory products
US3255027A (en) * 1962-09-07 1966-06-07 Du Pont Refractory product and process
US3298842A (en) * 1963-03-22 1967-01-17 Du Pont Process for preparing hollow refractory particles
US3296002A (en) * 1963-07-11 1967-01-03 Du Pont Refractory shapes
US3419404A (en) * 1964-06-26 1968-12-31 Minnesota Mining & Mfg Partially nitrided aluminum refractory material
US3473987A (en) * 1965-07-13 1969-10-21 Du Pont Method of making thin-walled refractory structures
US3421863A (en) * 1966-03-04 1969-01-14 Texas Instruments Inc Cermet material and method of making same
US3437468A (en) * 1966-05-06 1969-04-08 Du Pont Alumina-spinel composite material
US3789096A (en) * 1967-06-01 1974-01-29 Kaman Sciences Corp Method of impregnating porous refractory bodies with inorganic chromium compound
US3473938A (en) * 1968-04-05 1969-10-21 Du Pont Process for making high strength refractory structures
US3864154A (en) * 1972-11-09 1975-02-04 Us Army Ceramic-metal systems by infiltration
US3973977A (en) * 1973-11-01 1976-08-10 Corning Glass Works Making spinel and aluminum-base metal cermet
JPS51135899A (en) * 1975-05-12 1976-11-25 Toshiba Corp Method for production of alumina holding membrane
DE3347862C2 (de) * 1982-09-17 1988-05-11 Tokuyama Soda K.K., Tokuyama, Yamaguchi, Jp
EP0116809B1 (de) * 1983-02-16 1990-05-02 MOLTECH Invent S.A. Gesinterte Metall-Keramikverbundwerkstoffe und ihre Herstellung
ZA851813B (en) * 1984-03-16 1986-10-29 Lanxide Corp Novel ceramic materials and methods of making same
NZ211405A (en) * 1984-03-16 1988-03-30 Lanxide Corp Producing ceramic structures by oxidising liquid phase parent metal with vapour phase oxidising environment; certain structures
NZ212704A (en) * 1984-07-20 1989-01-06 Lanxide Corp Producing self-supporting ceramic structure
US4567026A (en) * 1984-10-24 1986-01-28 Internorth, Inc. Method for extraction of iron aluminum and titanium from coal ash
US4851375A (en) * 1985-02-04 1989-07-25 Lanxide Technology Company, Lp Methods of making composite ceramic articles having embedded filler

Also Published As

Publication number Publication date
YU156087A (en) 1988-12-31
FI86839C (fi) 1992-10-26
DD279462A5 (de) 1990-06-06
RU1776197C (ru) 1992-11-15
EP0261061A2 (de) 1988-03-23
ZA876910B (en) 1988-03-17
AU7827287A (en) 1988-03-24
TR26303A (tr) 1994-02-10
PL154684B1 (en) 1991-09-30
JP2708425B2 (ja) 1998-02-04
BR8704676A (pt) 1988-04-26
BG60244B1 (bg) 1994-03-24
IN168227B (de) 1991-02-23
AU598586B2 (en) 1990-06-28
KR950010804B1 (ko) 1995-09-23
IL83809A0 (en) 1988-02-29
DK480487D0 (da) 1987-09-15
HUT49099A (en) 1989-08-28
EP0261061A3 (en) 1990-01-31
PT85707B (pt) 1990-08-31
PH24798A (en) 1990-10-30
CN87106229A (zh) 1988-06-08
BG60244B2 (en) 1994-03-24
DK480487A (da) 1988-03-17
CZ656887A3 (en) 1993-02-17
EP0261061B1 (de) 1992-09-09
HU203854B (en) 1991-10-28
NZ221740A (en) 1990-01-29
CN1014509B (zh) 1991-10-30
PL267770A1 (en) 1988-07-21
ATE80362T1 (de) 1992-09-15
PT85707A (pt) 1987-10-01
IE61527B1 (en) 1994-11-16
FI86839B (fi) 1992-07-15
US4820498A (en) 1989-04-11
FI873902A0 (fi) 1987-09-09
FI873902A (fi) 1988-03-17
CA1329465C (en) 1994-05-17
MX165270B (es) 1992-11-04
KR880003831A (ko) 1988-05-30
IE872469L (en) 1988-03-16
YU45448B (en) 1992-05-28
JPS6374913A (ja) 1988-04-05
CZ279044B6 (en) 1994-12-15
IL83809A (en) 1991-11-21

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Legal Events

Date Code Title Description
8332 No legal effect for de