CA1160816A - Process for producing coarse grains of aluminum hydroxide - Google Patents
Process for producing coarse grains of aluminum hydroxideInfo
- Publication number
- CA1160816A CA1160816A CA000396424A CA396424A CA1160816A CA 1160816 A CA1160816 A CA 1160816A CA 000396424 A CA000396424 A CA 000396424A CA 396424 A CA396424 A CA 396424A CA 1160816 A CA1160816 A CA 1160816A
- Authority
- CA
- Canada
- Prior art keywords
- aluminum hydroxide
- solution
- grains
- sodium aluminate
- precipitation
- Prior art date
- 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
Links
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims description 29
- 230000008569 process Effects 0.000 title claims description 27
- 238000001556 precipitation Methods 0.000 claims abstract description 99
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical class [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 claims abstract description 65
- 229910001388 sodium aluminate Inorganic materials 0.000 claims abstract description 53
- 239000002002 slurry Substances 0.000 claims abstract description 49
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 18
- 239000007787 solid Substances 0.000 claims abstract description 18
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 12
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000004131 Bayer process Methods 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 6
- 238000004064 recycling Methods 0.000 claims abstract description 3
- 229910052593 corundum Inorganic materials 0.000 claims abstract 2
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract 2
- 239000002245 particle Substances 0.000 claims description 5
- 230000001376 precipitating effect Effects 0.000 claims description 5
- 239000000243 solution Substances 0.000 abstract description 73
- 239000000843 powder Substances 0.000 abstract description 9
- 238000001354 calcination Methods 0.000 abstract description 7
- 229940024545 aluminum hydroxide Drugs 0.000 description 77
- 239000000047 product Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 9
- 238000000354 decomposition reaction Methods 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 239000013078 crystal Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 5
- 230000001788 irregular Effects 0.000 description 5
- 238000010899 nucleation Methods 0.000 description 4
- 230000006911 nucleation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 230000000717 retained effect Effects 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
- 241000219094 Vitaceae Species 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 150000004645 aluminates Chemical class 0.000 description 2
- 229910001570 bauxite Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 235000021021 grapes Nutrition 0.000 description 2
- 239000011268 mixed slurry Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010900 secondary nucleation Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000011144 upstream manufacturing 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
- C01F7/147—Apparatus for precipitation
-
- 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24780/81 | 1981-02-20 | ||
| JP56024780A JPS57140316A (en) | 1981-02-20 | 1981-02-20 | Manufacture of coarse granular aluminum hydroxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1160816A true CA1160816A (en) | 1984-01-24 |
Family
ID=12147689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000396424A Expired CA1160816A (en) | 1981-02-20 | 1982-02-17 | Process for producing coarse grains of aluminum hydroxide |
Country Status (6)
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0102403B1 (de) * | 1982-09-02 | 1986-03-05 | Alcoa Chemie GmbH | Verbessertes Verfahren zur Gewinnung von Tonerde |
| 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 |
| US4511542A (en) * | 1984-05-24 | 1985-04-16 | Kaiser Aluminum & Chemical Corporation | Bayer process production of alumina hydrate |
| US4555394A (en) * | 1984-06-01 | 1985-11-26 | Chiyoda Chemical Engineering & Construction Co., Ltd. | Process for the preparation of alumina |
| 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 |
| FR2598701B1 (fr) * | 1986-05-15 | 1988-08-05 | Pechiney Aluminium | Procede et dispositif de decomposition de liqueur d'aluminate de sodium pour la production d'alumine |
| 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 |
| 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 |
| 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 |
| US5102426A (en) * | 1990-02-14 | 1992-04-07 | 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 |
| WO1993016957A1 (en) * | 1992-02-19 | 1993-09-02 | Comalco Aluminium Limited | Improvements in alumina plants |
| 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 |
| DE69836962T2 (de) * | 1998-10-28 | 2007-11-15 | Alcan Technology & Management Ag | Verfahren zur Herstellung von grobkörnigem Aluminiumhydroxyd |
| AU784483B2 (en) * | 2001-07-11 | 2006-04-13 | Sumitomo Chemical Company, Limited | Method for producing aluminum hydroxide |
| AU2002301811B2 (en) * | 2001-11-07 | 2007-08-23 | Sumitomo Chemical Company, Limited | Aluminum hydroxide aggregated particles, process for producing the same, vessel used therefor, and process for producing aluminum hydroxide powder |
| 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 |
| US8329072B2 (en) | 2010-11-24 | 2012-12-11 | Brimrock International Inc. | Method and system for generating sulfur seeds and granules |
| CN103332719A (zh) * | 2013-07-18 | 2013-10-02 | 北京世纪地和控股有限公司 | 一种高纯氢氧化铝的生产方法 |
| KR102233797B1 (ko) * | 2020-11-04 | 2021-03-30 | (주)옥산아이엠티 | 이차전지용 가압 트레이 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1045216A (en) * | 1963-05-06 | 1966-10-12 | Aluminium Lab Ltd | Improvements in or relating to the precipitation of alumina |
| US3649184A (en) * | 1969-05-29 | 1972-03-14 | Reynolds Metals Co | Precipitation of alumina hydrate |
| JPS5344920B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-05-08 | 1978-12-02 | ||
| NO135059C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1975-04-16 | 1977-02-02 | Norsk Hydro As | |
| GB1548168A (en) * | 1975-09-08 | 1979-07-04 | Alcan Res & Dev | Production of alumina trihydrate |
| US4014985A (en) * | 1975-12-22 | 1977-03-29 | Aluminum Company Of America | Precipitation of aluminum oxide having low sodium oxide content |
| JPS5456999A (en) * | 1977-10-17 | 1979-05-08 | Nippon Light Metal Co | Preparation of crude alumina particles |
| 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 |
-
1981
- 1981-02-20 JP JP56024780A patent/JPS57140316A/ja active Granted
-
1982
- 1982-02-10 US US06/347,546 patent/US4364919A/en not_active Expired - Fee Related
- 1982-02-11 AU AU80383/82A patent/AU529692B2/en not_active Ceased
- 1982-02-17 CA CA000396424A patent/CA1160816A/en not_active Expired
- 1982-02-18 BR BR8200890A patent/BR8200890A/pt not_active IP Right Cessation
- 1982-02-19 DE DE3206110A patent/DE3206110C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3206110A1 (de) | 1982-09-09 |
| US4364919A (en) | 1982-12-21 |
| AU529692B2 (en) | 1983-06-16 |
| AU8038382A (en) | 1982-09-02 |
| JPS6323131B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-05-14 |
| BR8200890A (pt) | 1982-12-28 |
| DE3206110C2 (de) | 1984-05-24 |
| JPS57140316A (en) | 1982-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1160816A (en) | Process for producing coarse grains of aluminum hydroxide | |
| CA1148724A (en) | Process for producing coarse grains of aluminium hydroxide | |
| US4511542A (en) | Bayer process production of alumina hydrate | |
| US4234559A (en) | Process for the manufacture of coarse aluminum hydroxide | |
| US4305913A (en) | Alumina hydrate production from Bayer liquor by seeding | |
| US4512959A (en) | Method for the recovery of alumina | |
| WO1990015777A1 (en) | Small sized alpha alumina particles and platelets | |
| JPS61132514A (ja) | ２段階種晶接種による粗粒アルミナの製法 | |
| US5163973A (en) | Process for producing low soda alumina | |
| US4614642A (en) | Method of producing an aluminium trihydroxide with a large, even particle size | |
| US4130402A (en) | Method for producing coarsely crystalline alumina | |
| US4693872A (en) | Process for producing highly pure magnesium hydroxide | |
| EP0515407B1 (en) | Process for the precipitating of aluminium hydroxide from bayer process liquor | |
| US4568527A (en) | Utilization of partially calcined alumina as precipitation aid in the Bayer process | |
| AU610728B2 (en) | Method for the production of coarse-grained agglomerates of aluminum trihydroxide | |
| US4014985A (en) | Precipitation of aluminum oxide having low sodium oxide content | |
| AU594035B2 (en) | Process for the production of aluminium hydroxide with low content of impurities, especially of iron, and with high degree of whiteness | |
| AU691049B2 (en) | Process for the precipitation of aluminum trihydroxide from a supersaturated sodium aluminate solution | |
| JPH02291B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| HU210196B (en) | Process for producing coarse-grained awmina hydrate with<10% having a particle size < 45um | |
| EP0714852A1 (en) | Process for the precipitation of aluminum trihydroxide from a supersaturated sodium aluminate solution | |
| Yamada et al. | Process for producing coarse grains of aluminum hydroxide | |
| HU204732B (en) | Process for producing aluminium trihydroxide having controllable median grain diameter of less than 25 micrometers | |
| HU191492B (en) | Process for the recovery of aluminium hydroxide from aluminate alkal of alumina factory |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |