AU619609B2 - Process for producing alumina from gibbsitic bauxites - Google Patents
Process for producing alumina from gibbsitic bauxites Download PDFInfo
- Publication number
- AU619609B2 AU619609B2 AU43731/89A AU4373189A AU619609B2 AU 619609 B2 AU619609 B2 AU 619609B2 AU 43731/89 A AU43731/89 A AU 43731/89A AU 4373189 A AU4373189 A AU 4373189A AU 619609 B2 AU619609 B2 AU 619609B2
- Authority
- AU
- Australia
- Prior art keywords
- digestion
- liquor
- slurry
- bauxite
- sio
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims description 52
- 230000008569 process Effects 0.000 title claims description 46
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims description 34
- 230000029087 digestion Effects 0.000 claims description 82
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 38
- 229910001570 bauxite Inorganic materials 0.000 claims description 33
- 239000003518 caustics Substances 0.000 claims description 29
- 239000002002 slurry Substances 0.000 claims description 27
- 229910001679 gibbsite Inorganic materials 0.000 claims description 24
- 239000007791 liquid phase Substances 0.000 claims description 19
- 238000005406 washing Methods 0.000 claims description 16
- 229910001388 sodium aluminate Inorganic materials 0.000 claims description 11
- XGZRAKBCYZIBKP-UHFFFAOYSA-L disodium;dihydroxide Chemical compound [OH-].[OH-].[Na+].[Na+] XGZRAKBCYZIBKP-UHFFFAOYSA-L 0.000 claims description 6
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000010790 dilution Methods 0.000 claims description 4
- 239000012895 dilution Substances 0.000 claims description 4
- 230000006872 improvement Effects 0.000 claims description 4
- 238000013019 agitation Methods 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 230000001376 precipitating effect Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 4
- 238000007865 diluting Methods 0.000 claims 1
- 210000002837 heart atrium Anatomy 0.000 claims 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 29
- 229910052622 kaolinite Inorganic materials 0.000 description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 23
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 22
- 239000011734 sodium Substances 0.000 description 19
- 238000012360 testing method Methods 0.000 description 16
- DNEHKUCSURWDGO-UHFFFAOYSA-N aluminum sodium Chemical compound [Na].[Al] DNEHKUCSURWDGO-UHFFFAOYSA-N 0.000 description 15
- 230000015572 biosynthetic process Effects 0.000 description 15
- 238000005755 formation reaction Methods 0.000 description 15
- 230000009466 transformation Effects 0.000 description 13
- 229910001593 boehmite Inorganic materials 0.000 description 11
- 239000007790 solid phase Substances 0.000 description 11
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 10
- 230000014759 maintenance of location Effects 0.000 description 10
- 239000000377 silicon dioxide Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- 235000012239 silicon dioxide Nutrition 0.000 description 8
- 229910052681 coesite Inorganic materials 0.000 description 7
- 229910052906 cristobalite Inorganic materials 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 229910052682 stishovite Inorganic materials 0.000 description 7
- 229910052905 tridymite Inorganic materials 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 235000010755 mineral Nutrition 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 4
- 230000008447 perception Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000004131 Bayer process Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 1
- 101100315388 Danio rerio tshz1 gene Proteins 0.000 description 1
- 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 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- -1 aluminate anions Chemical class 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- HPTYUNKZVDYXLP-UHFFFAOYSA-N aluminum;trihydroxy(trihydroxysilyloxy)silane;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O[Si](O)(O)O HPTYUNKZVDYXLP-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 150000005323 carbonate salts Chemical class 0.000 description 1
- 238000009993 causticizing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229910001648 diaspore Inorganic materials 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052598 goethite Inorganic materials 0.000 description 1
- 229910052621 halloysite Inorganic materials 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 238000010335 hydrothermal treatment Methods 0.000 description 1
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 1
- 229910052900 illite Inorganic materials 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 108091023663 let-7 stem-loop Proteins 0.000 description 1
- 108091063478 let-7-1 stem-loop Proteins 0.000 description 1
- 108091049777 let-7-2 stem-loop Proteins 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- VGIBGUSAECPPNB-UHFFFAOYSA-L nonaaluminum;magnesium;tripotassium;1,3-dioxido-2,4,5-trioxa-1,3-disilabicyclo[1.1.1]pentane;iron(2+);oxygen(2-);fluoride;hydroxide Chemical compound [OH-].[O-2].[O-2].[O-2].[O-2].[O-2].[F-].[Mg+2].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+].[K+].[Fe+2].O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2 VGIBGUSAECPPNB-UHFFFAOYSA-L 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 229910000144 sodium(I) superoxide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 235000013616 tea Nutrition 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU885601A HU201276B (en) | 1988-10-27 | 1988-10-27 | Process for producing alum earth from bauxite containing gibbsite |
| HU5601/88 | 1988-10-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU4373189A AU4373189A (en) | 1990-05-03 |
| AU619609B2 true AU619609B2 (en) | 1992-01-30 |
Family
ID=10970450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU43731/89A Ceased AU619609B2 (en) | 1988-10-27 | 1989-10-26 | Process for producing alumina from gibbsitic bauxites |
Country Status (5)
| Country | Link |
|---|---|
| AU (1) | AU619609B2 (fr) |
| BR (1) | BR8905475A (fr) |
| CA (1) | CA2000832C (fr) |
| ES (1) | ES2019173A6 (fr) |
| HU (1) | HU201276B (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2226842A1 (fr) * | 1995-07-11 | 1997-01-30 | Comalco Aluminium Limited | Procede par precipitation a rendement eleve |
| CN1295354C (zh) * | 2005-10-19 | 2007-01-17 | 贵阳铝镁设计研究院 | 氧化铝溶出装置及工艺 |
-
1988
- 1988-10-27 HU HU885601A patent/HU201276B/hu unknown
-
1989
- 1989-10-17 CA CA002000832A patent/CA2000832C/fr not_active Expired - Fee Related
- 1989-10-26 BR BR898905475A patent/BR8905475A/pt not_active IP Right Cessation
- 1989-10-26 AU AU43731/89A patent/AU619609B2/en not_active Ceased
- 1989-10-27 ES ES8903647A patent/ES2019173A6/es not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| BR8905475A (pt) | 1990-05-29 |
| CA2000832A1 (fr) | 1990-04-27 |
| CA2000832C (fr) | 1993-05-11 |
| ES2019173A6 (es) | 1991-06-01 |
| HU201276B (en) | 1990-10-28 |
| AU4373189A (en) | 1990-05-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |