IT8049479A0 - Procedimento per la produzione di grani grossi di idrossido di alluminio - Google Patents

Procedimento per la produzione di grani grossi di idrossido di alluminio

Info

Publication number
IT8049479A0
IT8049479A0 IT8049479A IT4947980A IT8049479A0 IT 8049479 A0 IT8049479 A0 IT 8049479A0 IT 8049479 A IT8049479 A IT 8049479A IT 4947980 A IT4947980 A IT 4947980A IT 8049479 A0 IT8049479 A0 IT 8049479A0
Authority
IT
Italy
Prior art keywords
procedure
production
aluminum hydroxide
large grains
grains
Prior art date
Application number
IT8049479A
Other languages
English (en)
Other versions
IT1146167B (it
Inventor
Koichi Yamada
Takuo Harato
Hisakatsu Kato
Yasumi Shiozaki
Original Assignee
Sumitomo Aluminium 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 Aluminium Smelting Co filed Critical Sumitomo Aluminium Smelting Co
Publication of IT8049479A0 publication Critical patent/IT8049479A0/it
Application granted granted Critical
Publication of IT1146167B publication Critical patent/IT1146167B/it

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)
IT8049479A 1979-08-13 1980-08-12 Procedimento per la produzione di grani grossi di idrossido di alluminio IT1146167B (it)

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
IT8049479A0 true IT8049479A0 (it) 1980-08-12
IT1146167B IT1146167B (it) 1986-11-12

Family

ID=14350275

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8049479A IT1146167B (it) 1979-08-13 1980-08-12 Procedimento per la produzione di grani grossi di idrossido di alluminio

Country Status (7)

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

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
DE3269635D1 (en) * 1982-09-02 1986-04-10 Alcoa Chemie Gmbh Process for the production of 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
US5158577A (en) * 1990-02-14 1992-10-27 Alcan International Limited Process for precipitating alumina from Bayer process liquor
US5102426A (en) * 1990-02-14 1992-04-07 Alcan International Limited Process for precipitating alumina from bayer process liquor
US5163973A (en) * 1990-02-14 1992-11-17 Alcan Internatinal Limited Process for producing low soda alumina
BR9305905A (pt) * 1992-02-19 1997-10-21 Comalco Alu Aperfeiçoamentos em plantas de alumina
CA2163826C (en) * 1994-11-30 2006-03-14 Iwan Dilip Kumar Hiralal Process for the precipitation of aluminum trihydroxide from a supersaturated sodium aluminate solution
EP0714852B1 (en) 1994-11-30 1999-08-18 Billiton Intellectual Property B.V. Process for the precipitation of aluminum trihydroxide from a supersaturated sodium aluminate solution
EP0997435B1 (en) * 1998-10-28 2007-01-24 Alcan Technology & Management AG Process for the manufacture of coarse aluminium hydroxide
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 (en) * 2007-07-25 2009-01-29 Carmeuse North America Services, Inc. Process and apparatus for reducing sox emissions from kiln systems for calcium-containing materials
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
US10792771B2 (en) * 2017-09-12 2020-10-06 Raytheon Technologies Corporation Method of making integrally bladed rotor
US10605101B2 (en) 2017-09-12 2020-03-31 United Technologies Corporation Process 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
CN116969492A (zh) * 2023-08-10 2023-10-31 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
JPS5951489B2 (ja) 1984-12-14
FR2463098B1 (fr) 1985-06-14
AU6139180A (en) 1981-03-19
DE3030631C2 (de) 1984-02-09
AU520012B2 (en) 1982-01-07
DE3030631A1 (de) 1981-02-19
IT1146167B (it) 1986-11-12
FR2463098A1 (fr) 1981-02-20
US4311486A (en) 1982-01-19
JPS5626716A (en) 1981-03-14
CA1148724A (en) 1983-06-28

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