FI873902A - Foerfarande foer produktion av vaesentligen rent aluminiumoxidmaterial. - Google Patents

Foerfarande foer produktion av vaesentligen rent aluminiumoxidmaterial. Download PDF

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Publication number
FI873902A
FI873902A FI873902A FI873902A FI873902A FI 873902 A FI873902 A FI 873902A FI 873902 A FI873902 A FI 873902A FI 873902 A FI873902 A FI 873902A FI 873902 A FI873902 A FI 873902A
Authority
FI
Finland
Prior art keywords
vaesentligen
aluminiumoxidmaterial
rent
foerfarande foer
alumina
Prior art date
Application number
FI873902A
Other languages
English (en)
Other versions
FI86839B (fi
FI873902A0 (fi
FI86839C (fi
Inventor
Marc S Newkirk
Original Assignee
Lanxide Technology Co Ltd
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 Ltd filed Critical Lanxide Technology Co Ltd
Publication of FI873902A0 publication Critical patent/FI873902A0/fi
Publication of FI873902A publication Critical patent/FI873902A/fi
Publication of FI86839B publication Critical patent/FI86839B/fi
Application granted granted Critical
Publication of FI86839C publication Critical patent/FI86839C/fi

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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Powder Metallurgy (AREA)
  • Prostheses (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
  • Catalysts (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
FI873902A 1986-09-16 1987-09-09 Foerfarande foer att foerbaettra kvaliteten pao ett aluminiumoxidmaterial FI86839C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US90793486 1986-09-16
US06/907,934 US4820498A (en) 1986-09-16 1986-09-16 Method for producing substantially pure alumina material

Publications (4)

Publication Number Publication Date
FI873902A0 FI873902A0 (fi) 1987-09-09
FI873902A true FI873902A (fi) 1988-03-17
FI86839B FI86839B (fi) 1992-07-15
FI86839C FI86839C (fi) 1992-10-26

Family

ID=25424881

Family Applications (1)

Application Number Title Priority Date Filing Date
FI873902A FI86839C (fi) 1986-09-16 1987-09-09 Foerfarande foer att foerbaettra kvaliteten pao ett aluminiumoxidmaterial

Country Status (28)

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

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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
CN101842504B (zh) 2007-05-21 2012-11-14 奥贝特铝业有限公司 从铝土矿石中提取铝和铁的工艺
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
JP2014508863A (ja) 2011-03-18 2014-04-10 オーバイト アルミナ インコーポレイテッド アルミニウム含有材料から希土類元素を回収する方法
US9410227B2 (en) 2011-05-04 2016-08-09 Orbite Technologies Inc. Processes for recovering rare earth elements from various ores
EP2714594A4 (en) 2011-06-03 2015-05-20 Orbite Aluminae Inc PROCESS FOR PRODUCING HEMATITE
US9382600B2 (en) 2011-09-16 2016-07-05 Orbite Technologies Inc. Processes for preparing alumina and various other products
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
JP6025868B2 (ja) 2012-01-10 2016-11-16 オーバイト アルミナ インコーポレイテッドＯｒｂｉｔｅ Ａｌｕｍｉｎａｅ Ｉｎｃ． 赤泥を処理するプロセス
AU2013203808B2 (en) 2012-03-29 2016-07-28 Aem Technologies Inc. Processes for treating fly ashes
RU2597096C2 (ru) 2012-07-12 2016-09-10 Орбит Алюминэ Инк. Способы получения оксида титана и различных других продуктов
BR112015006536A2 (pt) 2012-09-26 2017-08-08 Orbite Aluminae Inc processos para preparar alumina e cloreto de magnésio por lixiviação com hcl de vários materiais.
BR112015011049A2 (pt) 2012-11-14 2017-07-11 Orbite Aluminae Inc métodos para purificação de íons de alumínio
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

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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
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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
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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
DE3333406A1 (de) * 1982-09-17 1984-03-22 Tokuyama Soda K.K., Tokuyama, Yamaguchi Feines aluminiumnitridpulver, verfahren zu seiner herstellung und es enthaltendes mittel
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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
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Also Published As

Publication number Publication date
CN1014509B (zh) 1991-10-30
CZ656887A3 (en) 1993-02-17
FI86839B (fi) 1992-07-15
JP2708425B2 (ja) 1998-02-04
PT85707B (pt) 1990-08-31
IL83809A (en) 1991-11-21
RU1776197C (ru) 1992-11-15
MX165270B (es) 1992-11-04
CA1329465C (en) 1994-05-17
BR8704676A (pt) 1988-04-26
PL267770A1 (en) 1988-07-21
FI873902A0 (fi) 1987-09-09
PL154684B1 (en) 1991-09-30
CN87106229A (zh) 1988-06-08
JPS6374913A (ja) 1988-04-05
IE872469L (en) 1988-03-16
FI86839C (fi) 1992-10-26
EP0261061B1 (en) 1992-09-09
IE61527B1 (en) 1994-11-16
CZ279044B6 (en) 1994-12-15
IL83809A0 (en) 1988-02-29
DK480487A (da) 1988-03-17
US4820498A (en) 1989-04-11
ZA876910B (en) 1988-03-17
PT85707A (pt) 1987-10-01
HU203854B (en) 1991-10-28
AU7827287A (en) 1988-03-24
IN168227B (fi) 1991-02-23
DE3781630D1 (de) 1992-10-15
NZ221740A (en) 1990-01-29
KR950010804B1 (ko) 1995-09-23
EP0261061A3 (en) 1990-01-31
BG60244B1 (bg) 1994-03-24
BG60244B2 (en) 1994-03-24
AU598586B2 (en) 1990-06-28
YU45448B (en) 1992-05-28
DK480487D0 (da) 1987-09-15
ATE80362T1 (de) 1992-09-15
EP0261061A2 (en) 1988-03-23
YU156087A (en) 1988-12-31
DD279462A5 (de) 1990-06-06
TR26303A (tr) 1994-02-10
HUT49099A (en) 1989-08-28
KR880003831A (ko) 1988-05-30
PH24798A (en) 1990-10-30

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Legal Events

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MM Patent lapsed
MM Patent lapsed

Owner name: LANXIDE TECHNOLOGY COMPANY, LP