IE49108B1 - Preparing aluminium hydroxide - Google Patents
Preparing aluminium hydroxideInfo
- Publication number
- IE49108B1 IE49108B1 IE2134/79A IE213479A IE49108B1 IE 49108 B1 IE49108 B1 IE 49108B1 IE 2134/79 A IE2134/79 A IE 2134/79A IE 213479 A IE213479 A IE 213479A IE 49108 B1 IE49108 B1 IE 49108B1
- Authority
- IE
- Ireland
- Prior art keywords
- seed
- stage
- process according
- aluminium hydroxide
- hydroxide
- Prior art date
Links
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 title claims abstract description 28
- 229910021502 aluminium hydroxide Inorganic materials 0.000 title claims description 27
- 238000000034 method Methods 0.000 claims abstract description 63
- 230000008569 process Effects 0.000 claims abstract description 59
- 150000004645 aluminates Chemical class 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 26
- 239000002245 particle Substances 0.000 claims abstract description 15
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 239000011362 coarse particle Substances 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract description 22
- 238000005054 agglomeration Methods 0.000 abstract description 18
- 230000002776 aggregation Effects 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 229910052593 corundum Inorganic materials 0.000 abstract description 4
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract description 4
- 238000000354 decomposition reaction Methods 0.000 abstract 3
- 230000003698 anagen phase Effects 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 description 20
- 239000000047 product Substances 0.000 description 17
- 238000001816 cooling Methods 0.000 description 13
- 239000002562 thickening agent Substances 0.000 description 12
- 239000003518 caustics Substances 0.000 description 11
- 239000000725 suspension Substances 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000012065 filter cake Substances 0.000 description 9
- 238000007792 addition Methods 0.000 description 7
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 5
- 239000010419 fine particle Substances 0.000 description 5
- 238000001354 calcination Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000010900 secondary nucleation Methods 0.000 description 4
- 229910018626 Al(OH) Inorganic materials 0.000 description 3
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000004131 Bayer process Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910001570 bauxite Inorganic materials 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 150000004679 hydroxides Chemical group 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 229910001388 sodium aluminate Inorganic materials 0.000 description 2
- 101100348017 Drosophila melanogaster Nazo gene Proteins 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000005203 dry scrubbing Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- ZNCPFRVNHGOPAG-UHFFFAOYSA-L sodium oxalate Chemical compound [Na+].[Na+].[O-]C(=O)C([O-])=O ZNCPFRVNHGOPAG-UHFFFAOYSA-L 0.000 description 1
- 229940039790 sodium oxalate Drugs 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002912 waste gas Substances 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
-
- 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)
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 (2)
| Publication Number | Publication Date |
|---|---|
| IE792134L IE792134L (en) | 1980-05-07 |
| IE49108B1 true IE49108B1 (en) | 1985-08-07 |
Family
ID=4373391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE2134/79A IE49108B1 (en) | 1978-11-07 | 1979-11-06 | Preparing aluminium hydroxide |
Country Status (23)
Families Citing this family (35)
| 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 |
| GB8617387D0 (en) * | 1986-07-16 | 1986-08-20 | Alcan Int Ltd | Alumina hydrates |
| US5306480A (en) * | 1986-07-16 | 1994-04-26 | Alcan International Limited | 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 |
| 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 |
| US5158577A (en) * | 1990-02-14 | 1992-10-27 | Alcan International Limited | Process for precipitating alumina from Bayer process liquor |
| US5529761A (en) * | 1992-02-19 | 1996-06-25 | Comalco Aluminum Limited | Production of low soda alumina |
| DE4231874A1 (de) * | 1992-09-23 | 1994-03-24 | Martinswerk Gmbh | Verfahren zur Herstellung eines Aluminiumhydroxids Al(OH)¶3¶ mit abgerundeter Kornoberfläche |
| ES2137447T3 (es) * | 1994-11-30 | 1999-12-16 | Billiton Intellectual Pty | Procedimiento para la precipitacion de hidroxido de aluminio a partir de una solucion de aluminato de sodio supersaturado. |
| 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 |
| RU2231497C1 (ru) * | 2002-11-13 | 2004-06-27 | Открытое акционерное общество "Всероссийский алюминиево-магниевый институт" | Способ декомпозиции алюминатных растворов |
| 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 |
| CN118833839B (zh) * | 2024-09-20 | 2024-12-03 | 淄博炎良新材料有限公司 | 铝酸钠溶液种子分解法制备超细氢氧化铝微粉的生产工艺 |
Family Cites Families (6)
| 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 |
-
1978
- 1978-11-07 CH CH1142878A patent/CH644332A5/de not_active IP Right Cessation
-
1979
- 1979-10-12 DE DE2941335A patent/DE2941335C2/de not_active Expired
- 1979-10-22 GR GR60315A patent/GR66662B/el unknown
- 1979-10-23 HU HU79SCHE700A patent/HU184525B/hu unknown
- 1979-10-24 US US06/087,663 patent/US4234559A/en not_active Expired - Lifetime
- 1979-10-26 AU AU52234/79A patent/AU527500B2/en not_active Expired
- 1979-10-28 IN IN1102/CAL/79A patent/IN151768B/en unknown
- 1979-10-30 ES ES485553A patent/ES485553A1/es not_active Expired
- 1979-11-05 DD DD79216685A patent/DD147090A5/de unknown
- 1979-11-05 CS CS797530A patent/CS242851B2/cs unknown
- 1979-11-06 YU YU2715/79A patent/YU40765B/xx unknown
- 1979-11-06 GB GB7938461A patent/GB2034681B/en not_active Expired
- 1979-11-06 IE IE2134/79A patent/IE49108B1/en not_active IP Right Cessation
- 1979-11-06 TR TR21679A patent/TR21679A/xx unknown
- 1979-11-06 CA CA339,243A patent/CA1111624A/en not_active Expired
- 1979-11-06 BR BR7907183A patent/BR7907183A/pt not_active IP Right Cessation
- 1979-11-07 IT IT27105/79A patent/IT1127201B/it active
- 1979-11-07 FR FR7927487A patent/FR2440916A1/fr active Granted
- 1979-11-07 JP JP14428179A patent/JPS5571624A/ja active Pending
- 1979-11-07 NL NL7908153A patent/NL7908153A/nl not_active Application Discontinuation
- 1979-11-07 RO RO7999170A patent/RO78670A/ro unknown
-
1983
- 1983-07-30 SG SG45183A patent/SG45183G/en unknown
-
1984
- 1984-12-30 MY MY318/84A patent/MY8400318A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5571624A (en) | 1980-05-29 |
| NL7908153A (nl) | 1980-05-09 |
| DE2941335A1 (de) | 1980-05-14 |
| GB2034681B (en) | 1982-08-11 |
| BR7907183A (pt) | 1980-07-08 |
| DD147090A5 (de) | 1981-03-18 |
| GR66662B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-04-07 |
| IT7927105A0 (it) | 1979-11-07 |
| GB2034681A (en) | 1980-06-11 |
| ES485553A1 (es) | 1980-07-01 |
| AU527500B2 (en) | 1983-03-10 |
| RO78670A (ro) | 1982-08-17 |
| AU5223479A (en) | 1980-05-15 |
| CH644332A5 (de) | 1984-07-31 |
| YU40765B (en) | 1986-06-30 |
| IE792134L (en) | 1980-05-07 |
| TR21679A (tr) | 1985-01-29 |
| US4234559A (en) | 1980-11-18 |
| CA1111624A (en) | 1981-11-03 |
| SG45183G (en) | 1984-02-17 |
| FR2440916B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-05-25 |
| MY8400318A (en) | 1984-12-31 |
| IT1127201B (it) | 1986-05-21 |
| YU271579A (en) | 1982-10-31 |
| FR2440916A1 (fr) | 1980-06-06 |
| DE2941335C2 (de) | 1982-06-24 |
| IN151768B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1983-07-23 |
| HU184525B (en) | 1984-09-28 |
| CS242851B2 (en) | 1986-05-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK9A | Patent expired |