BR7907183A - Processo para a preparacao de hidroxido de aluminio graudo - Google Patents

Processo para a preparacao de hidroxido de aluminio graudo

Info

Publication number
BR7907183A
BR7907183A BR7907183A BR7907183A BR7907183A BR 7907183 A BR7907183 A BR 7907183A BR 7907183 A BR7907183 A BR 7907183A BR 7907183 A BR7907183 A BR 7907183A BR 7907183 A BR7907183 A BR 7907183A
Authority
BR
Brazil
Prior art keywords
aluminum hydroxide
gray aluminum
preparing gray
preparing
hydroxide
Prior art date
Application number
BR7907183A
Other languages
English (en)
Inventor
O Tschamper
Original Assignee
Alusuisse
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 Alusuisse filed Critical Alusuisse
Publication of BR7907183A publication Critical patent/BR7907183A/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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area

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)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
BR7907183A 1978-11-07 1979-11-06 Processo para a preparacao de hidroxido de aluminio graudo BR7907183A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1142878A CH644332A5 (de) 1978-11-07 1978-11-07 Verfahren zur herstellung von grobem aluminiumhydroxid.

Publications (1)

Publication Number Publication Date
BR7907183A true BR7907183A (pt) 1980-07-08

Family

ID=4373391

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7907183A BR7907183A (pt) 1978-11-07 1979-11-06 Processo para a preparacao de hidroxido de aluminio graudo

Country Status (23)

Country Link
US (1) US4234559A (pt)
JP (1) JPS5571624A (pt)
AU (1) AU527500B2 (pt)
BR (1) BR7907183A (pt)
CA (1) CA1111624A (pt)
CH (1) CH644332A5 (pt)
CS (1) CS242851B2 (pt)
DD (1) DD147090A5 (pt)
DE (1) DE2941335C2 (pt)
ES (1) ES485553A1 (pt)
FR (1) FR2440916A1 (pt)
GB (1) GB2034681B (pt)
GR (1) GR66662B (pt)
HU (1) HU184525B (pt)
IE (1) IE49108B1 (pt)
IN (1) IN151768B (pt)
IT (1) IT1127201B (pt)
MY (1) MY8400318A (pt)
NL (1) NL7908153A (pt)
RO (1) RO78670A (pt)
SG (1) SG45183G (pt)
TR (1) TR21679A (pt)
YU (1) YU40765B (pt)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE3219288C1 (de) * 1982-05-22 1983-06-01 Vereinigte Aluminium-Werke Ag, 5300 Bonn Verfahren zur Herstellung von grobem 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
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
JPS60246220A (ja) * 1984-05-19 1985-12-05 Showa Alum Ind Kk α線放射量の低いアルミナ水和物またはアルミナの製造方法
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
US5306480A (en) * 1986-07-16 1994-04-26 Alcan International Limited Alumina hydrates
GB8617387D0 (en) * 1986-07-16 1986-08-20 Alcan Int Ltd Alumina hydrates
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
US5385938B1 (en) * 1986-12-23 1997-07-15 Tristrata Inc Method of using glycolic acid for treating wrinkles
EP0344469A3 (de) * 1988-06-03 1990-06-06 Vereinigte Aluminium-Werke Aktiengesellschaft Verfahren zur Herstellung von grobkörnigen Agglomeraten des Aluminiumhydroxids
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
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
EP0626930B1 (en) * 1992-02-19 1999-05-12 Comalco Aluminium, Ltd. Improvements in alumina plants
DE4231874A1 (de) * 1992-09-23 1994-03-24 Martinswerk Gmbh Verfahren zur Herstellung eines Aluminiumhydroxids Al(OH)¶3¶ mit abgerundeter Kornoberfläche
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
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
EP0997435B1 (en) * 1998-10-28 2007-01-24 Alcan Technology & Management AG Process for the manufacture of coarse aluminium hydroxide
US6762556B2 (en) 2001-02-27 2004-07-13 Winsor Corporation Open chamber photoluminescent lamp
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
RU2638847C1 (ru) * 2016-12-29 2017-12-18 федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский горный университет" Способ получения гидроксида алюминия
CN113371742A (zh) * 2021-05-27 2021-09-10 中铝山西新材料有限公司 一种超细氢氧化铝的工业生产方法

Family Cites Families (6)

* 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
FR1391596A (fr) * 1964-05-04 1965-03-05 Aluminium Lab Ltd Procédé de préparation du trihydrate d'alumine
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

Also Published As

Publication number Publication date
YU271579A (en) 1982-10-31
US4234559A (en) 1980-11-18
FR2440916B1 (pt) 1984-05-25
GR66662B (pt) 1981-04-07
AU5223479A (en) 1980-05-15
IE49108B1 (en) 1985-08-07
IN151768B (pt) 1983-07-23
DE2941335C2 (de) 1982-06-24
DD147090A5 (de) 1981-03-18
IT1127201B (it) 1986-05-21
HU184525B (en) 1984-09-28
JPS5571624A (en) 1980-05-29
CS242851B2 (en) 1986-05-15
MY8400318A (en) 1984-12-31
YU40765B (en) 1986-06-30
CH644332A5 (de) 1984-07-31
FR2440916A1 (fr) 1980-06-06
RO78670A (ro) 1982-08-17
TR21679A (tr) 1985-01-29
CA1111624A (en) 1981-11-03
AU527500B2 (en) 1983-03-10
NL7908153A (nl) 1980-05-09
IT7927105A0 (it) 1979-11-07
GB2034681B (en) 1982-08-11
GB2034681A (en) 1980-06-11
ES485553A1 (es) 1980-07-01
SG45183G (en) 1984-02-17
DE2941335A1 (de) 1980-05-14
IE792134L (en) 1980-05-07

Similar Documents

Publication Publication Date Title
BR7907183A (pt) Processo para a preparacao de hidroxido de aluminio graudo
BR7900628A (pt) Processo para a preparacao de hidreto de magnesio
BR7808130A (pt) Processo para a preparacao de um pneumatico
BR7906368A (pt) Processo para a preparacao de furanil-benzazois
BR7906947A (pt) Processo para a preparacao de n-fosfono-metil-glicina
BR7901339A (pt) Processo aperfeicoado para a sintese de para-nitrodifenilaminas
BR8004432A (pt) Processo para a preparacao de neopentilamina
BR7902490A (pt) Processo para a preparacao de um latex aquoso
BR7900060A (pt) Processo para preparacao de uma folha,folha auto-suportavel
BR7803953A (pt) Processo para efetuar a etilacao de um monoalquil-benzeno
BR7901469A (pt) Processo para a formacao,de nitrodiarilaminas
BR7702091A (pt) Processo para a preparacao de acilcianetos
BR7904607A (pt) Processo para a preparacao de couro
BR7907117A (pt) Processo para a preparacao de 1,2,3-tiadiazol-5-il-ureias
BR7905187A (pt) Processo para clivar um di-hidroxi-difenil-alcano
BR7702089A (pt) Processo para a preparacao de acilcianetos
BR7904731A (pt) Processo para a preparacao de aldeidos
BR7900845A (pt) Processo para producao de alumina
BR7907679A (pt) Processo para a obtencao de cetonas
BR7802702A (pt) Processo para a fabricacao de um recipiente
BR7902626A (pt) Processo para a preparacao de 1,2-dicloretano
BR7702090A (pt) Processo para a preparacao de acilcianetos
BR7902711A (pt) Processo para a preparacao de uretanas
BR7706374A (pt) Processo para a preparacao de um copolimero
BR7903635A (pt) Processo para a preparacao de 2-oximinofenilacetonitrila processo para a preparacao de 2-oximinofenilacetonitrila

Legal Events

Date Code Title Description
MK Patent expired

Effective date: 19941106