CH654557A5 - Procede de production d'un trihydroxyde d'aluminium de grosse granulometrie. - Google Patents

Procede de production d'un trihydroxyde d'aluminium de grosse granulometrie. Download PDF

Info

Publication number: CH654557A5
Authority: CH; Switzerland
Prior art keywords: decomposition; aluminate solution; suspension; primer; stage
Prior art date: 1982-07-08

Application number

CH3711/83A

Other languages

English (en)

French (fr)

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.)

1982-07-08

Filing date

1983-07-06

Publication date

1986-02-28

1983-07-06 Application filed by Pechiney Aluminium filed Critical Pechiney Aluminium

1986-02-28 Publication of CH654557A5 publication Critical patent/CH654557A5/fr

Links

238000000034 method Methods 0.000 title claims description 54
230000008569 process Effects 0.000 title claims description 34
MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 title claims description 31
238000001033 granulometry Methods 0.000 title 1
238000000354 decomposition reaction Methods 0.000 claims description 109
239000000725 suspension Substances 0.000 claims description 58
239000002245 particle Substances 0.000 claims description 50
150000004645 aluminates Chemical class 0.000 claims description 49
238000004519 manufacturing process Methods 0.000 claims description 20
239000003518 caustics Substances 0.000 claims description 11
238000004131 Bayer process Methods 0.000 claims description 9
239000003513 alkali Substances 0.000 claims description 7
238000001816 cooling Methods 0.000 claims description 5
239000013078 crystal Substances 0.000 claims description 5
238000000926 separation method Methods 0.000 claims description 4
239000007790 solid phase Substances 0.000 claims description 4
239000007788 liquid Substances 0.000 claims description 3
238000005070 sampling Methods 0.000 claims description 2
239000000243 solution Substances 0.000 description 85
ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 50
229910001388 sodium aluminate Inorganic materials 0.000 description 37
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 19
239000000203 mixture Substances 0.000 description 10
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
239000012071 phase Substances 0.000 description 7
229910001570 bauxite Inorganic materials 0.000 description 6
239000011734 sodium Substances 0.000 description 6
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
229910052782 aluminium Inorganic materials 0.000 description 4
WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 4
238000001556 precipitation Methods 0.000 description 4
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
238000005868 electrolysis reaction Methods 0.000 description 3
238000010907 mechanical stirring Methods 0.000 description 3
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 description 2
239000007864 aqueous solution Substances 0.000 description 2
238000001354 calcination Methods 0.000 description 2
239000006185 dispersion Substances 0.000 description 2
238000009826 distribution Methods 0.000 description 2
230000002349 favourable effect Effects 0.000 description 2
230000006872 improvement Effects 0.000 description 2
238000009776 industrial production Methods 0.000 description 2
229910052708 sodium Inorganic materials 0.000 description 2
101100348017 Drosophila melanogaster Nazo gene Proteins 0.000 description 1
230000009471 action Effects 0.000 description 1
238000005054 agglomeration Methods 0.000 description 1
230000002776 aggregation Effects 0.000 description 1
230000008901 benefit Effects 0.000 description 1
230000001186 cumulative effect Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
229910001648 diaspore Inorganic materials 0.000 description 1
230000008034 disappearance Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000010419 fine particle Substances 0.000 description 1
239000003999 initiator Substances 0.000 description 1
238000009434 installation Methods 0.000 description 1
239000007791 liquid phase Substances 0.000 description 1
239000007787 solid Substances 0.000 description 1
238000005063 solubilization Methods 0.000 description 1
230000007928 solubilization Effects 0.000 description 1
238000003756 stirring Methods 0.000 description 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)
Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)

CH3711/83A 1982-07-08 1983-07-06 Procede de production d'un trihydroxyde d'aluminium de grosse granulometrie. CH654557A5 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8212412A FR2529877A1 (fr)	1982-07-08	1982-07-08	Procede de production d'un trihydroxyde d'aluminium de grosse granulometrie

Publications (1)

Publication Number	Publication Date
CH654557A5 true CH654557A5 (fr)	1986-02-28

Family

ID=9276005

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH3711/83A CH654557A5 (fr)	1982-07-08	1983-07-06	Procede de production d'un trihydroxyde d'aluminium de grosse granulometrie.

Country Status (22)

Country	Link
JP (1)	JPS59501207A (de)
AU (1)	AU555347B2 (de)
CA (1)	CA1205292A (de)
CH (1)	CH654557A5 (de)
DE (1)	DE3324378A1 (de)
ES (1)	ES8403838A1 (de)
FR (1)	FR2529877A1 (de)
GB (1)	GB2123806B (de)
GR (1)	GR79591B (de)
HU (1)	HU190601B (de)
IE (1)	IE55499B1 (de)
IN (1)	IN158680B (de)
IT (1)	IT1165460B (de)
MX (1)	MX158908A (de)
NL (1)	NL8302419A (de)
NO (1)	NO840866L (de)
NZ (1)	NZ204832A (de)
OA (1)	OA07487A (de)
PH (1)	PH19286A (de)
WO (1)	WO1984000355A1 (de)
YU (1)	YU43187B (de)
ZA (1)	ZA834977B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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
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
FR2709302B1 (fr) *	1993-08-26	1995-09-22	Pechiney Aluminium	Procédé de fabrication de trihydrate d'alumine à teneur en sodium et granulométrie réglées.
RU2175641C2 (ru) *	1997-07-08	2001-11-10	Акционерное общество открытого типа "Всероссийский алюминиево-магниевый институт"	Способ получения гидроксида алюминия
CN103736317A (zh) *	2013-12-14	2014-04-23	中国铝业股份有限公司	一种种分过滤机供料方法

Family Cites Families (7)

* 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
FR1223274A (fr) *	1958-04-09	1960-06-16	Pechiney Prod Chimiques Sa	Procédé pour la fabrication de l'alumine
US3649184A (en) *	1969-05-29	1972-03-14	Reynolds Metals Co	Precipitation of alumina hydrate
JPS5344920B2 (de) *	1972-05-08	1978-12-02
DE2531646A1 (de) *	1975-07-15	1977-02-03	Ekato Werke	Verfahren und vorrichtung zur herstellung von tonerde
CH644332A5 (de) *	1978-11-07	1984-07-31	Alusuisse	Verfahren zur herstellung von grobem aluminiumhydroxid.
JPS5711821A (en) *	1980-06-27	1982-01-21	Nippon Light Metal Co Ltd	Preparation of both coarse granule and fine granule of alumina

1982
- 1982-07-08 FR FR8212412A patent/FR2529877A1/fr active Granted
1983
- 1983-06-17 PH PH29071A patent/PH19286A/en unknown
- 1983-06-22 IN IN782/CAL/83A patent/IN158680B/en unknown
- 1983-07-06 HU HU832692A patent/HU190601B/hu unknown
- 1983-07-06 AU AU17073/83A patent/AU555347B2/en not_active Expired
- 1983-07-06 NZ NZ204832A patent/NZ204832A/en unknown
- 1983-07-06 WO PCT/FR1983/000138 patent/WO1984000355A1/fr not_active Ceased
- 1983-07-06 DE DE19833324378 patent/DE3324378A1/de active Granted
- 1983-07-06 CH CH3711/83A patent/CH654557A5/fr not_active IP Right Cessation
- 1983-07-06 YU YU1472/83A patent/YU43187B/xx unknown
- 1983-07-06 JP JP58502223A patent/JPS59501207A/ja active Granted
- 1983-07-07 ZA ZA834977A patent/ZA834977B/xx unknown
- 1983-07-07 IT IT21975/83A patent/IT1165460B/it active
- 1983-07-07 OA OA58054A patent/OA07487A/xx unknown
- 1983-07-07 IE IE1588/83A patent/IE55499B1/en not_active IP Right Cessation
- 1983-07-07 ES ES523929A patent/ES8403838A1/es not_active Expired
- 1983-07-07 GR GR71884A patent/GR79591B/el unknown
- 1983-07-07 CA CA000431991A patent/CA1205292A/fr not_active Expired
- 1983-07-07 GB GB08318409A patent/GB2123806B/en not_active Expired
- 1983-07-07 MX MX197966A patent/MX158908A/es unknown
- 1983-07-07 NL NL8302419A patent/NL8302419A/nl not_active Application Discontinuation
1984
- 1984-03-07 NO NO840866A patent/NO840866L/no unknown

Also Published As

Publication number	Publication date
JPH02291B2 (de)	1990-01-05
IT8321975A0 (it)	1983-07-07
WO1984000355A1 (fr)	1984-02-02
AU555347B2 (en)	1986-09-18
IT1165460B (it)	1987-04-22
YU147283A (en)	1986-02-28
ZA834977B (en)	1984-03-28
OA07487A (fr)	1985-03-31
GB8318409D0 (en)	1983-08-10
ES523929A0 (es)	1984-04-01
DE3324378C2 (de)	1988-07-28
NZ204832A (en)	1986-06-11
ES8403838A1 (es)	1984-04-01
IE55499B1 (en)	1990-10-10
FR2529877A1 (fr)	1984-01-13
HU190601B (en)	1986-09-29
FR2529877B1 (de)	1985-04-19
NL8302419A (nl)	1984-02-01
CA1205292A (fr)	1986-06-03
NO840866L (no)	1984-03-07
GB2123806A (en)	1984-02-08
GB2123806B (en)	1986-07-09
GR79591B (de)	1984-10-31
PH19286A (en)	1986-03-04
AU1707383A (en)	1984-02-08
YU43187B (en)	1989-04-30
IN158680B (de)	1987-01-03
JPS59501207A (ja)	1984-07-12
IE831588L (en)	1984-01-08
MX158908A (es)	1989-03-29
DE3324378A1 (de)	1984-01-12

Legal Events

Date	Code	Title	Description
1991-03-28	PL	Patent ceased
2024-10-31	PL	Patent ceased

Publication	Publication Date	Title
EP0184526B1 (de)	1988-06-01	Verfahren zur Verwendung einer zweistufigen Impfung zur Gewinnung von grosskörnigem Aluminiumoxid
CH662336A5 (fr)	1987-09-30	Procede de production d'un trihydroxyde d'aluminium de granulometrie grosse et reguliere.
EP0006070B1 (de)	1981-04-29	Verfahren zur Gewinnung von reinem Aluminiumoxyd mittels Salzsäure-Lixiviation von Aluminium enthaltenden Mineralien und Extraktion der Verunreinigungen mittels einer Behandlung mit Schwefelsäure
EP0406550A1 (de)	1991-01-09	Verfahren zur Herstellung von gereinigtem Calciumsulfatdihydrat aus wässrigen Lösungen
EP0973692B1 (de)	2001-11-14	Verfahren zur anreicherung von rohsalz
CH657137A5 (fr)	1986-08-15	Procede d'obtention de trihydroxyde d'aluminium de diametre median regle a la demande dans l'intervalle de 2 a 100 microns.
CH654557A5 (fr)	1986-02-28	Procede de production d'un trihydroxyde d'aluminium de grosse granulometrie.
EP0173630A2 (de)	1986-03-05	Reinigung von Natriumaluminatlösungen des Bayerverfahrens durch Beseitigung von Natriumoxalat
WO1984001569A1 (fr)	1984-04-26	Procede d'obtention de trihydroxyde d'aluminium de diametre median inferieur a 4 microns, regle a la demande
EP0765290B1 (de)	1998-10-28	Verfahren zur behandlung von bauxit mit aluminium-hydroxid mit niedrigem gehalt an reaktivem siliciumoxid
EP0782544B1 (de)	2001-08-29	Flüssige reinigungszusammensetzung
EP0960069B1 (de)	2001-12-12	Verbessertes verfahren zur behandlung von aluminiummonohydratreichen bauxiten
EP0652181B1 (de)	1997-01-08	Verfahren zur Behandlung von einer Mischung von Aluminiumoxydtrihydrat und Aluminiumoxydmonohydrat enthaltenden Bauxiten
FR2785895A1 (fr)	2000-05-19	Procede d'epuration des liqueurs d'aluminate de sodium contenant de l'oxalate de sodium permettant d'augmenter la quantite d'hydrate d'alumine produit
FR2475065A2 (fr)	1981-08-07	Procede d'attaque oxydante d'un minerai uranifere par une liqueur carbonatee
EP0739309A1 (de)	1996-10-30	Verfahren zur behandlung von aluminiumtrihydrat enthaltendem bauxit
BE383465A (de)
BE412932A (de)