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 PDFInfo
- Publication number
- CH654557A5 CH654557A5 CH3711/83A CH371183A CH654557A5 CH 654557 A5 CH654557 A5 CH 654557A5 CH 3711/83 A CH3711/83 A CH 3711/83A CH 371183 A CH371183 A CH 371183A CH 654557 A5 CH654557 A5 CH 654557A5
- Authority
- CH
- Switzerland
- Prior art keywords
- decomposition
- aluminate solution
- suspension
- primer
- stage
- Prior art date
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)
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)
Families Citing this family (6)
| 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)
| 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 (enrdf_load_stackoverflow) * | 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 JP JP58502223A patent/JPS59501207A/ja active Granted
- 1983-07-06 WO PCT/FR1983/000138 patent/WO1984000355A1/fr unknown
- 1983-07-06 NZ NZ204832A patent/NZ204832A/en unknown
- 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 HU HU832692A patent/HU190601B/hu unknown
- 1983-07-06 AU AU17073/83A patent/AU555347B2/en not_active Expired
- 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 CA CA000431991A patent/CA1205292A/fr not_active Expired
- 1983-07-07 NL NL8302419A patent/NL8302419A/nl not_active Application Discontinuation
- 1983-07-07 GB GB08318409A patent/GB2123806B/en not_active Expired
- 1983-07-07 ES ES523929A patent/ES8403838A1/es not_active Expired
- 1983-07-07 GR GR71884A patent/GR79591B/el unknown
- 1983-07-07 ZA ZA834977A patent/ZA834977B/xx unknown
- 1983-07-07 MX MX197966A patent/MX158908A/es unknown
- 1983-07-07 IT IT21975/83A patent/IT1165460B/it active
-
1984
- 1984-03-07 NO NO840866A patent/NO840866L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IE831588L (en) | 1984-01-08 |
| WO1984000355A1 (fr) | 1984-02-02 |
| YU147283A (en) | 1986-02-28 |
| FR2529877A1 (fr) | 1984-01-13 |
| ES523929A0 (es) | 1984-04-01 |
| JPS59501207A (ja) | 1984-07-12 |
| JPH02291B2 (enrdf_load_stackoverflow) | 1990-01-05 |
| AU1707383A (en) | 1984-02-08 |
| PH19286A (en) | 1986-03-04 |
| YU43187B (en) | 1989-04-30 |
| AU555347B2 (en) | 1986-09-18 |
| OA07487A (fr) | 1985-03-31 |
| IT1165460B (it) | 1987-04-22 |
| GB2123806A (en) | 1984-02-08 |
| HU190601B (en) | 1986-09-29 |
| IT8321975A0 (it) | 1983-07-07 |
| DE3324378A1 (de) | 1984-01-12 |
| GB2123806B (en) | 1986-07-09 |
| IN158680B (enrdf_load_stackoverflow) | 1987-01-03 |
| NO840866L (no) | 1984-03-07 |
| DE3324378C2 (enrdf_load_stackoverflow) | 1988-07-28 |
| ES8403838A1 (es) | 1984-04-01 |
| IE55499B1 (en) | 1990-10-10 |
| ZA834977B (en) | 1984-03-28 |
| GR79591B (enrdf_load_stackoverflow) | 1984-10-31 |
| MX158908A (es) | 1989-03-29 |
| CA1205292A (fr) | 1986-06-03 |
| FR2529877B1 (enrdf_load_stackoverflow) | 1985-04-19 |
| NZ204832A (en) | 1986-06-11 |
| GB8318409D0 (en) | 1983-08-10 |
| NL8302419A (nl) | 1984-02-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |