FR2709302B1 - Procédé de fabrication de trihydrate d'alumine à teneur en sodium et granulométrie réglées. - Google Patents

Procédé de fabrication de trihydrate d'alumine à teneur en sodium et granulométrie réglées.

Info

Publication number: FR2709302B1
Authority: FR; France
Prior art keywords: manufacture; particle size; sodium content; alumina trihydrate; controlled particle
Prior art date: 1993-08-26
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 - Lifetime

Application number

FR9310479A

Other languages

English (en)

Other versions

FR2709302A1 (fr

Inventor

Bouzat Gilbert

Lamerant Jean-Michel

Sinquin Joel

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.)

Rio Tinto France SAS

Original Assignee

Aluminium Pechiney SA

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.)

1993-08-26

Filing date

1993-08-26

Publication date

1995-09-22

1993-08-26 Application filed by Aluminium Pechiney SA filed Critical Aluminium Pechiney SA

1993-08-26 Priority to FR9310479A priority Critical patent/FR2709302B1/fr

1994-08-19 Priority to CN94109563.0A priority patent/CN1035169C/zh

1995-03-03 Publication of FR2709302A1 publication Critical patent/FR2709302A1/fr

1995-09-22 Application granted granted Critical

1995-09-22 Publication of FR2709302B1 publication Critical patent/FR2709302B1/fr

2013-08-26 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title 1
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title 1
238000004519 manufacturing process Methods 0.000 title 1
238000000034 method Methods 0.000 title 1
239000002245 particle Substances 0.000 title 1
229910052708 sodium Inorganic materials 0.000 title 1
239000011734 sodium Substances 0.000 title 1
150000004684 trihydrates Chemical class 0.000 title 1

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)

FR9310479A 1993-08-26 1993-08-26 Procédé de fabrication de trihydrate d'alumine à teneur en sodium et granulométrie réglées. Expired - Lifetime FR2709302B1 (fr)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
FR9310479A FR2709302B1 (fr)	1993-08-26	1993-08-26	Procédé de fabrication de trihydrate d'alumine à teneur en sodium et granulométrie réglées.
CN94109563.0A CN1035169C (zh)	1993-08-26	1994-08-19	制造可控制钠含量和颗粒尺寸的三水氧化铝的方法

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR9310479A FR2709302B1 (fr)	1993-08-26	1993-08-26	Procédé de fabrication de trihydrate d'alumine à teneur en sodium et granulométrie réglées.

Publications (2)

Publication Number	Publication Date
FR2709302A1 FR2709302A1 (fr)	1995-03-03
FR2709302B1 true FR2709302B1 (fr)	1995-09-22

Family

ID=9450521

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR9310479A Expired - Lifetime FR2709302B1 (fr)	1993-08-26	1993-08-26	Procédé de fabrication de trihydrate d'alumine à teneur en sodium et granulométrie réglées.

Country Status (2)

Country	Link
CN (1)	CN1035169C (fr)
FR (1)	FR2709302B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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
CA2446970C (fr)	2001-05-10	2012-09-25	Akzo Nobel Nv	Procede continu et appareil de conversion efficiente de particules solides inorganiques
RU2231497C1 (ru) *	2002-11-13	2004-06-27	Открытое акционерное общество "Всероссийский алюминиево-магниевый институт"	Способ декомпозиции алюминатных растворов
CN1865141B (zh) *	2005-05-18	2010-10-27	贵阳铝镁设计研究院	提高氧化铝生产中溶出液Rp的方法
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
CN100572277C (zh) *	2007-05-31	2009-12-23	中国铝业股份有限公司	一种改进的串联法生产氧化铝的方法
CN118331071B (zh) *	2024-06-06	2024-08-09	鑫巨(深圳)半导体科技有限公司	一种监测并控制反应溶液颗粒浓度的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4014985A (en) *	1975-12-22	1977-03-29	Aluminum Company Of America	Precipitation of aluminum oxide having low sodium oxide content
US4150952A (en) *	1977-07-21	1979-04-24	Ormet Corporation	Method of controlling the amount of seed material in the precipitation stage of the Bayer process
FR2529877A1 (fr) *	1982-07-08	1984-01-13	Pechiney Aluminium	Procede de production d'un trihydroxyde d'aluminium de grosse granulometrie
FR2551429B2 (fr) *	1983-09-05	1985-10-18	Pechiney Aluminium	Procede de production d'un trihydroxyde d'aluminium de granulometrie grosse et reguliere
BR9305905A (pt) *	1992-02-19	1997-10-21	Comalco Alu	Aperfeiçoamentos em plantas de alumina

1993
- 1993-08-26 FR FR9310479A patent/FR2709302B1/fr not_active Expired - Lifetime
1994
- 1994-08-19 CN CN94109563.0A patent/CN1035169C/zh not_active Expired - Lifetime

Also Published As

Publication number	Publication date
FR2709302A1 (fr)	1995-03-03
CN1106359A (zh)	1995-08-09
CN1035169C (zh)	1997-06-18

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