BR8407055A - Processo de producao de um triidroxido de aluminio de granulometria grande e regular - Google Patents

Processo de producao de um triidroxido de aluminio de granulometria grande e regular

Info

Publication number
BR8407055A
BR8407055A BR8407055A BR8407055A BR8407055A BR 8407055 A BR8407055 A BR 8407055A BR 8407055 A BR8407055 A BR 8407055A BR 8407055 A BR8407055 A BR 8407055A BR 8407055 A BR8407055 A BR 8407055A
Authority
BR
Brazil
Prior art keywords
trihidroxide
aluminum
production process
granulometry
regular
Prior art date
Application number
BR8407055A
Other languages
English (en)
Portuguese (pt)
Inventor
Benoit Cristol
Jacques Mordini
Original Assignee
Pechiney Aluminium
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9292048&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR8407055(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pechiney Aluminium filed Critical Pechiney Aluminium
Publication of BR8407055A publication Critical patent/BR8407055A/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

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)
  • Compositions Of Oxide Ceramics (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
BR8407055A 1983-09-05 1984-09-04 Processo de producao de um triidroxido de aluminio de granulometria grande e regular BR8407055A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8314294A FR2551429B2 (fr) 1983-09-05 1983-09-05 Procede de production d'un trihydroxyde d'aluminium de granulometrie grosse et reguliere
PCT/FR1984/000195 WO1985001040A1 (fr) 1983-09-05 1984-09-04 Procede de production d'un trihydroxyde d'aluminium de granulometrie grosse et reguliere

Publications (1)

Publication Number Publication Date
BR8407055A true BR8407055A (pt) 1985-08-13

Family

ID=9292048

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8407055A BR8407055A (pt) 1983-09-05 1984-09-04 Processo de producao de um triidroxido de aluminio de granulometria grande e regular

Country Status (20)

Country Link
US (1) US4614642A (OSRAM)
JP (1) JPS60502099A (OSRAM)
AU (1) AU568155B2 (OSRAM)
BR (1) BR8407055A (OSRAM)
CA (1) CA1252606A (OSRAM)
CH (1) CH662336A5 (OSRAM)
DE (1) DE3432473C3 (OSRAM)
ES (1) ES535629A0 (OSRAM)
FR (1) FR2551429B2 (OSRAM)
GB (1) GB2146012B (OSRAM)
GR (1) GR80280B (OSRAM)
HU (1) HU200572B (OSRAM)
IE (1) IE57701B1 (OSRAM)
IT (1) IT1178508B (OSRAM)
NL (1) NL8402664A (OSRAM)
NO (1) NO851239L (OSRAM)
PH (1) PH19829A (OSRAM)
WO (1) WO1985001040A1 (OSRAM)
YU (1) YU44877B (OSRAM)
ZA (1) ZA846926B (OSRAM)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
KR950700218A (ko) * 1992-02-19 1995-01-16 더블유. 피. 데이 알루미나장치의 개선(improvements in alumina plants)
FR2709302B1 (fr) * 1993-08-26 1995-09-22 Pechiney Aluminium Procédé de fabrication de trihydrate d'alumine à teneur en sodium et granulométrie réglées.
AU720125B2 (en) * 1995-11-07 2000-05-25 Cytec Technology Corp. Reduction of impurities in bayer process alumina trihydrate
RU2175641C2 (ru) * 1997-07-08 2001-11-10 Акционерное общество открытого типа "Всероссийский алюминиево-магниевый институт" Способ получения гидроксида алюминия
FR2782710B1 (fr) * 1998-09-02 2000-10-06 Pechiney Aluminium Procede de controle granulometrique dans une chaine de decomposition du circuit bayer, incluant une phase d'agglomeration
RU2175951C2 (ru) * 2000-02-25 2001-11-20 ОАО "Бокситогорский глинозем" Способ получения активного гидроксида алюминия
US20050126880A1 (en) * 2002-02-20 2005-06-16 Iannello Richard J. Counter/tabletop alignment note feeder
CN100383046C (zh) * 2005-07-18 2008-04-23 贵阳铝镁设计研究院 提高原矿浆固含的工艺方法
EP2608862B1 (en) 2010-08-13 2020-03-04 Rio Tinto Alcan International Limited Apparatus and method for refining a process liquor by gravity settling
CN110127737B (zh) * 2019-07-01 2023-09-19 济源职业技术学院 拜耳法氧化铝生产中防止种分周期性细化的装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB653741A (en) * 1947-09-25 1951-05-23 Viggo Harms Improvements in and relating to a method and apparatus for precipitation of solids from solutions and the like
FR1311147A (fr) * 1961-05-06 1962-12-07 Electro Chimie Soc D Procédé de fabrication de l'alumine
NO135059C (OSRAM) * 1975-04-16 1977-02-02 Norsk Hydro As
DE2531646A1 (de) * 1975-07-15 1977-02-03 Ekato Werke Verfahren und vorrichtung zur herstellung von tonerde
GB1589012A (en) * 1977-11-15 1981-05-07 Atomenergi Inst For Processes for continuous crystallization
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
JPS57140316A (en) * 1981-02-20 1982-08-30 Sumitomo Alum Smelt Co Ltd Manufacture of coarse granular aluminum hydroxide
DE3131088C2 (de) * 1981-08-06 1984-11-29 Vereinigte Aluminium-Werke AG, 1000 Berlin und 5300 Bonn Verfahren zur Herstellung von Aluminiumhydroxid
FR2529877A1 (fr) * 1982-07-08 1984-01-13 Pechiney Aluminium Procede de production d'un trihydroxyde d'aluminium de grosse granulometrie
DE3269635D1 (en) * 1982-09-02 1986-04-10 Alcoa Chemie Gmbh Process for the production of alumine
US4511542A (en) * 1984-05-24 1985-04-16 Kaiser Aluminum & Chemical Corporation Bayer process production of alumina hydrate

Also Published As

Publication number Publication date
IT8422498A0 (it) 1984-09-03
GB8422339D0 (en) 1984-10-10
AU3390384A (en) 1985-03-29
NL8402664A (nl) 1985-04-01
DE3432473C2 (OSRAM) 1988-09-29
JPS60502099A (ja) 1985-12-05
IE842258L (en) 1985-03-05
YU152084A (en) 1987-12-31
YU44877B (en) 1991-04-30
GR80280B (en) 1984-09-13
HUT36056A (en) 1985-08-28
FR2551429A2 (fr) 1985-03-08
DE3432473A1 (de) 1985-03-21
NO851239L (no) 1985-03-27
FR2551429B2 (fr) 1985-10-18
AU568155B2 (en) 1987-12-17
ES8505318A2 (es) 1985-05-16
ES535629A0 (es) 1985-05-16
PH19829A (en) 1986-07-14
IT1178508B (it) 1987-09-09
CH662336A5 (fr) 1987-09-30
ZA846926B (en) 1985-04-24
GB2146012A (en) 1985-04-11
HU200572B (en) 1990-07-28
IE57701B1 (en) 1993-03-10
US4614642A (en) 1986-09-30
CA1252606A (fr) 1989-04-18
JPH0210088B2 (OSRAM) 1990-03-06
WO1985001040A1 (fr) 1985-03-14
GB2146012B (en) 1987-02-18
DE3432473C3 (de) 1998-02-12

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)