FR2463098B1 - Procede de production de grains grossiers d'hydroxyde d'aluminium - Google Patents

Procede de production de grains grossiers d'hydroxyde d'aluminium

Info

Publication number
FR2463098B1
FR2463098B1 FR8017768A FR8017768A FR2463098B1 FR 2463098 B1 FR2463098 B1 FR 2463098B1 FR 8017768 A FR8017768 A FR 8017768A FR 8017768 A FR8017768 A FR 8017768A FR 2463098 B1 FR2463098 B1 FR 2463098B1
Authority
FR
France
Prior art keywords
aluminum hydroxide
coarse grain
producing coarse
producing
grain
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
FR8017768A
Other languages
English (en)
Other versions
FR2463098A1 (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.)
Sumitomo Aluminum Smelting Co
Original Assignee
Sumitomo Aluminum Smelting Co
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 Sumitomo Aluminum Smelting Co filed Critical Sumitomo Aluminum Smelting Co
Publication of FR2463098A1 publication Critical patent/FR2463098A1/fr
Application granted granted Critical
Publication of FR2463098B1 publication Critical patent/FR2463098B1/fr
Expired 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
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
    • C01F7/144—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR8017768A 1979-08-13 1980-08-12 Procede de production de grains grossiers d'hydroxyde d'aluminium Expired FR2463098B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54103295A JPS5951489B2 (ja) 1979-08-13 1979-08-13 粗大粒子水酸化アルミニウムの製造方法

Publications (2)

Publication Number Publication Date
FR2463098A1 FR2463098A1 (fr) 1981-02-20
FR2463098B1 true FR2463098B1 (fr) 1985-06-14

Family

ID=14350275

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8017768A Expired FR2463098B1 (fr) 1979-08-13 1980-08-12 Procede de production de grains grossiers d'hydroxyde d'aluminium

Country Status (7)

Country Link
US (1) US4311486A (fr)
JP (1) JPS5951489B2 (fr)
AU (1) AU520012B2 (fr)
CA (1) CA1148724A (fr)
DE (1) DE3030631C2 (fr)
FR (1) FR2463098B1 (fr)
IT (1) IT1146167B (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57140316A (en) * 1981-02-20 1982-08-30 Sumitomo Alum Smelt Co Ltd Manufacture of coarse granular aluminum hydroxide
EP0102403B1 (fr) * 1982-09-02 1986-03-05 Alcoa Chemie GmbH Procédé de production d'alumine
FR2551429B2 (fr) * 1983-09-05 1985-10-18 Pechiney Aluminium Procede de production d'un trihydroxyde d'aluminium de granulometrie grosse et reguliere
US4511542A (en) * 1984-05-24 1985-04-16 Kaiser Aluminum & Chemical Corporation Bayer process production of alumina hydrate
US4568527A (en) * 1984-11-06 1986-02-04 Kaiser Aluminum & Chemical Corporation Utilization of partially calcined alumina as precipitation aid in the Bayer process
FR2573414B1 (fr) * 1984-11-22 1989-12-01 Pechiney Aluminium Procede de mise en oeuvre d'un amorcage en deux temps pour l'obtention d'alumine a gros grains
US4595581A (en) * 1984-12-10 1986-06-17 Aluminum Company Of America Boehmite production by precipitation from sodium aluminate solution at elevated temperatures
US4822593A (en) * 1986-12-11 1989-04-18 Aluminum Company Of America Control of form of crystal precipitation of aluminum hydroxide using cosolvents and varying caustic concentration
US4900537A (en) * 1986-12-11 1990-02-13 Biotage, Inc. Control of form of crystal precipitation of aluminum hydroxide using cosolvents and varying caustic concentration
US5127950A (en) * 1989-09-14 1992-07-07 Lonza Ltd. Short-prismatic aluminum hydroxide, process for preparing same from supersaturated sodium aluminate-liquor, and compositions containing same
US5163973A (en) * 1990-02-14 1992-11-17 Alcan Internatinal Limited Process for producing low soda alumina
US5102426A (en) * 1990-02-14 1992-04-07 Alcan International Limited Process for precipitating alumina from bayer process liquor
US5158577A (en) * 1990-02-14 1992-10-27 Alcan International Limited Process for precipitating alumina from Bayer process liquor
BR9305905A (pt) * 1992-02-19 1997-10-21 Comalco Alu Aperfeiçoamentos em plantas de alumina
ES2137447T3 (es) * 1994-11-30 1999-12-16 Billiton Intellectual Pty Procedimiento para la precipitacion de hidroxido de aluminio a partir de una solucion de aluminato de sodio supersaturado.
EP0714852B1 (fr) 1994-11-30 1999-08-18 Billiton Intellectual Property B.V. Procédé pour la précipitation d'hydroxide d'aluminium à partir d'une solution d'aluminat de sodium supersaturé
EP0997435B1 (fr) * 1998-10-28 2007-01-24 Alcan Technology & Management AG Procédé de production d'hydroxyde d'alumine à gros grains
CN1657318B (zh) * 2005-02-18 2010-04-14 西南师范大学 一种表面呈水晶花纹的铝板带箔材及生产工艺
CN100398445C (zh) * 2006-09-11 2008-07-02 中国铝业股份有限公司 两种浓度精液生产高强度氧化铝的方法
WO2009014517A1 (fr) * 2007-07-25 2009-01-29 Carmeuse North America Services, Inc. Procédé et appareil pour réduire les émissions de sox à partir de systèmes de four pour des matières contenant du calcium
CN101164887B (zh) * 2007-09-25 2010-06-16 中国铝业股份有限公司 氢氧化铝结疤的回收利用方法
CN102807242B (zh) * 2012-08-22 2014-09-10 中国铝业股份有限公司 一种连续分解生产微粉氢氧化铝的方法
US10605101B2 (en) 2017-09-12 2020-03-31 United Technologies Corporation Process of making integrally bladed rotor
US10792771B2 (en) * 2017-09-12 2020-10-06 Raytheon Technologies Corporation Method of making integrally bladed rotor
CN111410221B (zh) * 2020-03-26 2022-11-08 重庆市九龙万博新材料科技有限公司 一种适用于铝酸钠生产工艺中晶种处理装置
CN111807392A (zh) * 2020-06-28 2020-10-23 山东泰星新材料股份有限公司 一种亚微米级超细氢氧化铝的制备方法及其制品和应用
CN116969492B (zh) * 2023-08-10 2026-03-17 中南大学 一种低钠砂状化氢氧化铝及其制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2657978A (en) * 1948-09-08 1953-11-03 Kaiser Aluminium Chem Corp Alumina hydrate crystallization
US2707669A (en) * 1951-02-06 1955-05-03 Kaiser Aluminium Chem Corp Alumina production
US3486850A (en) * 1967-02-16 1969-12-30 Kaiser Aluminium Chem Corp Flash cooling of liquor during the continuous precipitation of alumina hydrate from bayer process liquor
US3649184A (en) * 1969-05-29 1972-03-14 Reynolds Metals Co Precipitation of alumina hydrate
US3906084A (en) * 1971-09-21 1975-09-16 Alcan Res & Dev Precipitation of alumina trihydrate from bayer pregnant liquors
US3838980A (en) * 1972-01-12 1974-10-01 Alcan Res & Dev Precipitation of bayer alumina trihydrate suitable for the manufacture of ceramic grade alumina of improved grindability
JPS5344920A (en) * 1976-10-05 1978-04-22 Kawasaki Heavy Ind Ltd Low temperature tank with night dyke
CH644332A5 (de) * 1978-11-07 1984-07-31 Alusuisse Verfahren zur herstellung von grobem aluminiumhydroxid.

Also Published As

Publication number Publication date
IT1146167B (it) 1986-11-12
US4311486A (en) 1982-01-19
AU520012B2 (en) 1982-01-07
AU6139180A (en) 1981-03-19
CA1148724A (fr) 1983-06-28
JPS5951489B2 (ja) 1984-12-14
DE3030631A1 (de) 1981-02-19
FR2463098A1 (fr) 1981-02-20
IT8049479A0 (it) 1980-08-12
JPS5626716A (en) 1981-03-14
DE3030631C2 (de) 1984-02-09

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse