BR8200890A - Processo para produzir graos grossos de hidroxido de aluminio - Google Patents

Processo para produzir graos grossos de hidroxido de aluminio

Info

Publication number
BR8200890A
BR8200890A BR8200890A BR8200890A BR8200890A BR 8200890 A BR8200890 A BR 8200890A BR 8200890 A BR8200890 A BR 8200890A BR 8200890 A BR8200890 A BR 8200890A BR 8200890 A BR8200890 A BR 8200890A
Authority
BR
Brazil
Prior art keywords
aluminum hydroxide
produce thick
thick grains
grains
produce
Prior art date
Application number
BR8200890A
Other languages
English (en)
Portuguese (pt)
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 BR8200890A publication Critical patent/BR8200890A/pt

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
    • C01F7/147—Apparatus for precipitation
    • 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)
BR8200890A 1981-02-20 1982-02-18 Processo para produzir graos grossos de hidroxido de aluminio BR8200890A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56024780A JPS57140316A (en) 1981-02-20 1981-02-20 Manufacture of coarse granular aluminum hydroxide

Publications (1)

Publication Number Publication Date
BR8200890A true BR8200890A (pt) 1982-12-28

Family

ID=12147689

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8200890A BR8200890A (pt) 1981-02-20 1982-02-18 Processo para produzir graos grossos de hidroxido de aluminio

Country Status (6)

Country Link
US (1) US4364919A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS57140316A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU529692B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8200890A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1160816A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3206110C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0102403B1 (de) * 1982-09-02 1986-03-05 Alcoa Chemie GmbH Verbessertes Verfahren zur Gewinnung von Tonerde
FR2534898B1 (fr) * 1982-10-20 1985-07-19 Pechiney Aluminium Procede d'obtention de trihydroxyde d'aluminium de diametre median regle a la demande dans l'intervalle de 2 a 100 microns
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
US4555394A (en) * 1984-06-01 1985-11-26 Chiyoda Chemical Engineering & Construction Co., Ltd. Process for the preparation of alumina
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
FR2598701B1 (fr) * 1986-05-15 1988-08-05 Pechiney Aluminium Procede et dispositif de decomposition de liqueur d'aluminate de sodium pour la production d'alumine
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
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
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
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
DE69324908T2 (de) * 1992-02-19 2000-01-13 Comalco Aluminium Ltd., Melbourne Verbesserte herstellung von aluminiumoxid
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.
ES2276454T3 (es) * 1998-10-28 2007-06-16 ALCAN TECHNOLOGY & MANAGEMENT AG Proceso para la fabricacion de hidroxido de aluminio de grano grueso.
AU784483B2 (en) * 2001-07-11 2006-04-13 Sumitomo Chemical Company, Limited Method for producing aluminum hydroxide
AU2002301811B2 (en) 2001-11-07 2007-08-23 Sumitomo Chemical Company, Limited Aluminum hydroxide aggregated particles, process for producing the same, vessel used therefor, and process for producing aluminum hydroxide powder
JP5285317B2 (ja) * 2008-03-28 2013-09-11 住友化学株式会社 水酸化アルミニウムの製造方法
US8329072B2 (en) 2010-11-24 2012-12-11 Brimrock International Inc. Method and system for generating sulfur seeds and granules
CN103332719A (zh) * 2013-07-18 2013-10-02 北京世纪地和控股有限公司 一种高纯氢氧化铝的生产方法
KR102233797B1 (ko) * 2020-11-04 2021-03-30 (주)옥산아이엠티 이차전지용 가압 트레이

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1045216A (en) * 1963-05-06 1966-10-12 Aluminium Lab Ltd Improvements in or relating to the precipitation of alumina
US3649184A (en) * 1969-05-29 1972-03-14 Reynolds Metals Co Precipitation of alumina hydrate
JPS5344920B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-05-08 1978-12-02
NO135059C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1975-04-16 1977-02-02 Norsk Hydro As
GB1548168A (en) * 1975-09-08 1979-07-04 Alcan Res & Dev Production of alumina trihydrate
US4014985A (en) * 1975-12-22 1977-03-29 Aluminum Company Of America Precipitation of aluminum oxide having low sodium oxide content
JPS5456999A (en) * 1977-10-17 1979-05-08 Nippon Light Metal Co Preparation of crude alumina particles
CH644332A5 (de) * 1978-11-07 1984-07-31 Alusuisse Verfahren zur herstellung von grobem aluminiumhydroxid.
JPS5951489B2 (ja) * 1979-08-13 1984-12-14 住友アルミニウム製錬株式会社 粗大粒子水酸化アルミニウムの製造方法
US4305913A (en) * 1980-08-06 1981-12-15 Kaiser Aluminum & Chemical Corporation Alumina hydrate production from Bayer liquor by seeding

Also Published As

Publication number Publication date
US4364919A (en) 1982-12-21
DE3206110C2 (de) 1984-05-24
DE3206110A1 (de) 1982-09-09
AU529692B2 (en) 1983-06-16
CA1160816A (en) 1984-01-24
JPS6323131B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-05-14
AU8038382A (en) 1982-09-02
JPS57140316A (en) 1982-08-30

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 18/02/97