OA11658A - Improved bayer causticisation. - Google Patents
Improved bayer causticisation. Download PDFInfo
- Publication number
- OA11658A OA11658A OA1200100077A OA1200100077A OA11658A OA 11658 A OA11658 A OA 11658A OA 1200100077 A OA1200100077 A OA 1200100077A OA 1200100077 A OA1200100077 A OA 1200100077A OA 11658 A OA11658 A OA 11658A
- Authority
- OA
- OAPI
- Prior art keywords
- causticisation
- bayer
- liquor
- reaction
- improved process
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 140
- 238000000034 method Methods 0.000 claims abstract description 138
- 230000008569 process Effects 0.000 claims abstract description 130
- 239000003112 inhibitor Substances 0.000 claims abstract description 47
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 35
- 230000001965 increasing effect Effects 0.000 claims abstract description 23
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 95
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 95
- 239000004571 lime Substances 0.000 claims description 95
- -1 aluminate ions Chemical class 0.000 claims description 45
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 40
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 33
- 239000007787 solid Substances 0.000 claims description 32
- 239000002002 slurry Substances 0.000 claims description 29
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 20
- 239000004094 surface-active agent Substances 0.000 claims description 18
- 150000004645 aluminates Chemical class 0.000 claims description 17
- 238000013019 agitation Methods 0.000 claims description 15
- 150000001735 carboxylic acids Chemical class 0.000 claims description 13
- 125000000129 anionic group Chemical group 0.000 claims description 12
- 239000003518 caustics Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 229920001577 copolymer Polymers 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 8
- 229930006000 Sucrose Natural products 0.000 claims description 8
- 239000005720 sucrose Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- NEAQRZUHTPSBBM-UHFFFAOYSA-N 2-hydroxy-3,3-dimethyl-7-nitro-4h-isoquinolin-1-one Chemical class C1=C([N+]([O-])=O)C=C2C(=O)N(O)C(C)(C)CC2=C1 NEAQRZUHTPSBBM-UHFFFAOYSA-N 0.000 claims description 5
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical group NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 5
- 239000008139 complexing agent Substances 0.000 claims description 5
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 5
- 239000000194 fatty acid Substances 0.000 claims description 5
- 229930195729 fatty acid Natural products 0.000 claims description 5
- 150000004665 fatty acids Chemical class 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- 239000008107 starch Substances 0.000 claims description 5
- 235000019698 starch Nutrition 0.000 claims description 5
- 235000000346 sugar Nutrition 0.000 claims description 5
- 150000008163 sugars Chemical class 0.000 claims description 5
- 229920002258 tannic acid Polymers 0.000 claims description 5
- 235000015523 tannic acid Nutrition 0.000 claims description 5
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 4
- 229920001732 Lignosulfonate Polymers 0.000 claims description 4
- 239000004117 Lignosulphonate Substances 0.000 claims description 4
- 229920002125 Sokalan® Polymers 0.000 claims description 4
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 4
- 125000000524 functional group Chemical group 0.000 claims description 4
- 239000008103 glucose Substances 0.000 claims description 4
- 229920001519 homopolymer Polymers 0.000 claims description 4
- 235000019357 lignosulphonate Nutrition 0.000 claims description 4
- 239000004584 polyacrylic acid Substances 0.000 claims description 4
- 229920000642 polymer Chemical group 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 2
- ALEXXDVDDISNDU-JZYPGELDSA-N cortisol 21-acetate Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(=O)COC(=O)C)(O)[C@@]1(C)C[C@@H]2O ALEXXDVDDISNDU-JZYPGELDSA-N 0.000 claims 1
- 241000894007 species Species 0.000 description 43
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 37
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 32
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 25
- 239000000920 calcium hydroxide Substances 0.000 description 25
- 235000011116 calcium hydroxide Nutrition 0.000 description 25
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 25
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 22
- 235000010216 calcium carbonate Nutrition 0.000 description 17
- 230000000694 effects Effects 0.000 description 17
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 16
- 239000000243 solution Substances 0.000 description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 239000000203 mixture Substances 0.000 description 15
- 235000017550 sodium carbonate Nutrition 0.000 description 15
- 229910000029 sodium carbonate Inorganic materials 0.000 description 15
- 229940001593 sodium carbonate Drugs 0.000 description 14
- 238000012360 testing method Methods 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 13
- 239000000292 calcium oxide Substances 0.000 description 12
- 235000012255 calcium oxide Nutrition 0.000 description 12
- 230000008901 benefit Effects 0.000 description 11
- 238000004131 Bayer process Methods 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 9
- 229940095643 calcium hydroxide Drugs 0.000 description 9
- 230000002829 reductive effect Effects 0.000 description 9
- 241000196324 Embryophyta Species 0.000 description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 7
- 239000000176 sodium gluconate Substances 0.000 description 7
- 235000012207 sodium gluconate Nutrition 0.000 description 7
- 229940005574 sodium gluconate Drugs 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000000654 additive Substances 0.000 description 6
- 229910001570 bauxite Inorganic materials 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 6
- 150000001450 anions Chemical class 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 235000011121 sodium hydroxide Nutrition 0.000 description 5
- 229940083608 sodium hydroxide Drugs 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 description 4
- 229910001679 gibbsite Inorganic materials 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000002441 X-ray diffraction Methods 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
- 239000011575 calcium Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000029087 digestion Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000007246 mechanism Effects 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
- 230000000979 retarding effect Effects 0.000 description 3
- 229910001388 sodium aluminate Inorganic materials 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 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
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- HOOWDPSAHIOHCC-UHFFFAOYSA-N dialuminum tricalcium oxygen(2-) Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[Al+3].[Al+3].[Ca++].[Ca++].[Ca++] HOOWDPSAHIOHCC-UHFFFAOYSA-N 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 150000004676 glycans Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000005017 polysaccharide Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241001408449 Asca Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- IZEKFCXSFNUWAM-UHFFFAOYSA-N dipyridamole Chemical compound C=12N=C(N(CCO)CCO)N=C(N3CCCCC3)C2=NC(N(CCO)CCO)=NC=1N1CCCCC1 IZEKFCXSFNUWAM-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011418 poor lime Substances 0.000 description 1
- GMVPRGQOIOIIMI-DWKJAMRDSA-N prostaglandin E1 Chemical compound CCCCC[C@H](O)\C=C\[C@H]1[C@H](O)CC(=O)[C@@H]1CCCCCCC(O)=O GMVPRGQOIOIIMI-DWKJAMRDSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009938 salting Methods 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 229910052665 sodalite Inorganic materials 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000009279 wet oxidation reaction 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
- C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
- C01F7/062—Digestion
- C01F7/0633—Digestion characterised by the use of additives
-
- 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
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
- C01F7/47—Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors
- C01F7/473—Removal of organic compounds, e.g. sodium oxalate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Nutrition Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPP6224A AUPP622498A0 (en) | 1998-09-25 | 1998-09-25 | Improved bayer causticisation |
| AUPQ2476A AUPQ247699A0 (en) | 1999-08-26 | 1999-08-26 | Improved bayer causticisation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| OA11658A true OA11658A (en) | 2004-12-08 |
Family
ID=25645885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| OA1200100077A OA11658A (en) | 1998-09-25 | 1999-09-13 | Improved bayer causticisation. |
Country Status (19)
| Country | Link |
|---|---|
| US (2) | US6676910B1 (sr) |
| EP (2) | EP1775264B1 (sr) |
| JP (1) | JP3872956B2 (sr) |
| KR (1) | KR100483685B1 (sr) |
| CN (2) | CN1186260C (sr) |
| AP (1) | AP1701A (sr) |
| AT (2) | ATE412612T1 (sr) |
| AU (1) | AU749809B2 (sr) |
| BR (1) | BR9913933A (sr) |
| CA (2) | CA2470673C (sr) |
| DE (2) | DE69943304D1 (sr) |
| EA (1) | EA002798B1 (sr) |
| ES (1) | ES2317703T3 (sr) |
| HU (1) | HUP0103434A3 (sr) |
| OA (1) | OA11658A (sr) |
| RS (1) | RS50048B (sr) |
| SK (1) | SK287753B6 (sr) |
| TR (2) | TR200100811T2 (sr) |
| WO (1) | WO2000018684A1 (sr) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100483685B1 (ko) * | 1998-09-25 | 2005-04-18 | 워슬리 얼루미나 피티와이. 엘티디. | 바이어 부식방법 |
| AUPR437001A0 (en) | 2001-04-11 | 2001-05-17 | Worsley Alumina Pty Ltd | Process for the removal of anionic impurities from caustic aluminate solutions |
| WO2006007631A1 (en) * | 2004-07-16 | 2006-01-26 | Alcoa Of Australia Limited | On-line/in-field bayer process liquor analysis |
| AU2006212716B2 (en) * | 2005-02-11 | 2011-01-27 | South32 Aluminium (Raa) Pty Ltd | Alumina recovery |
| WO2006084328A1 (en) | 2005-02-11 | 2006-08-17 | Billiton Aluminium Australia Pty Ltd | Alumina recovery |
| CN100542959C (zh) * | 2006-05-17 | 2009-09-23 | 中国铝业股份有限公司 | 一种氧化铝生产中的化灰方法 |
| US8628737B2 (en) * | 2006-11-09 | 2014-01-14 | Nalco Company | Transfer of slurry in a bayer process |
| DE102006055215A1 (de) | 2006-11-21 | 2008-05-29 | Nabaltec Gmbh | Neue zinkhaltige Kalzium-Aluminium-Doppelsalze |
| EP2308856A1 (en) * | 2009-10-09 | 2011-04-13 | Borealis Agrolinz Melamine GmbH | Water recycling in a melamine production process |
| BR112012027265A2 (pt) * | 2010-05-03 | 2017-03-14 | Bhp Billiton Worsley Alumina Pty Ltd | processo para recuperar valores de alumina a partir de uma solução de aluminato cáustico |
| AU2012203292C8 (en) * | 2012-03-07 | 2013-12-19 | South32 Worsley Alumina Pty Ltd | High temperature processs for causticisation of a bayer liquor |
| BR112014021591B1 (pt) * | 2012-03-07 | 2020-10-13 | South32 Worsley Alumina Pty Ltd. | sistema para causticização de temperatura alta de um licor de processo bayer |
| AU2012203295B1 (en) * | 2012-03-07 | 2013-03-21 | South32 Worsley Alumina Pty Ltd | System for causticisation of a bayer liquor |
| BR112014021588B1 (pt) * | 2012-03-07 | 2020-10-13 | South32 Worsley Alumina Pty Ltd | processo de causticação de alta temperatura para a causticação de um licor de processo bayer |
| BR112020023601A2 (pt) * | 2018-05-28 | 2021-02-09 | Alcoa Of Australia Limited | método para controlar a concentração de impurezas em licores bayer |
| WO2019227130A1 (en) * | 2018-05-28 | 2019-12-05 | Alcoa Of Australia Limited | Method for impurity control |
| CN112142071A (zh) * | 2020-08-17 | 2020-12-29 | 中铝中州铝业有限公司 | 一种烧结法种分母液处理方法 |
| CN113772700B (zh) * | 2021-11-02 | 2023-08-01 | 中国铝业股份有限公司 | 提高拜耳法赤泥料浆稳定性的药剂及其制备方法和应用 |
| CN116854117A (zh) * | 2023-06-30 | 2023-10-10 | 贵阳铝镁设计研究院有限公司 | 一种两段苛化去除赤泥一次洗液中碳酸钠的装置及方法 |
| CN119614205B (zh) * | 2025-01-03 | 2025-11-04 | 中铝郑州有色金属研究院有限公司 | 钙基固废渣浆脱硫剂、制备方法、脱硫方法、土壤修复剂 |
Family Cites Families (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2345134A (en) * | 1939-11-27 | 1944-03-28 | Nat Aluminate Corp | Sodium aluminate product and process of producing the same |
| US2519362A (en) * | 1943-08-04 | 1950-08-22 | Einar P Flint | Method of reducing the concentration of silica in sodium aluminate solutions |
| FR1231638A (fr) | 1957-01-15 | 1960-09-30 | Pechiney | Procédé de traitement des minerais d'aluminium |
| US3120996A (en) * | 1960-04-19 | 1964-02-11 | Kaiser Aluminium Chem Corp | Control of process carbonation in bayer type alumina plants |
| US3210155A (en) | 1962-05-15 | 1965-10-05 | Ormet Corp | Process for treating aluminum containing ores |
| GB1045545A (en) * | 1964-02-10 | 1966-10-12 | Kaiser Aluminium Chem Corp | Improvements in or relating to alumina extraction processes |
| US4059672A (en) * | 1973-04-02 | 1977-11-22 | Revere Copper And Brass Incorporated | Method of digesting bauxite via the Bayer process with the addition of reducing agents |
| US4157382A (en) * | 1978-04-21 | 1979-06-05 | Aluminum Company Of America | Process for preparing low soda pseudoboehmite gel |
| US4210455A (en) * | 1978-10-30 | 1980-07-01 | The Dow Chemical Company | Retarded aqueous hydraulic cement slurry |
| US4302251A (en) * | 1978-11-29 | 1981-11-24 | Denki Kagaku Kogyo Kabushiki Kaisha | Cement composition containing dextrin |
| HU180650B (en) * | 1979-10-30 | 1983-04-29 | Magyar Aluminium | Process for diminishing organic content of bayer cycle of alum earth production |
| US4275042A (en) * | 1980-01-22 | 1981-06-23 | Alcan Research And Development Limited | Removal of oxalate from Bayer process liquor |
| HU187654B (en) * | 1982-02-26 | 1986-02-28 | Ajkai Timfoeldgyar Aluminium | Process for reduction of damages in production of aluminium oxid of bayer system |
| US4478795A (en) * | 1982-10-18 | 1984-10-23 | Diamond Shamrock Chemicals Company | Aluminum trihydroxide deliquoring with anionic polymers |
| DE3403866A1 (de) * | 1984-02-04 | 1985-08-08 | Sicowa Verfahrenstechnik für Baustoffe GmbH & Co KG, 5100 Aachen | Verfahren zur schnellerhaertung einer giessfaehigen rohmischung |
| CA1285373C (fr) * | 1984-06-25 | 1991-07-02 | Jean Fabre | Purification des solutions d'aluminate de sodium du cycle bayer par elimination d'oxalate de sodium |
| US4609534A (en) | 1984-10-09 | 1986-09-02 | Aluminum Company Of America | Lime cleaning process to remove manganese oxide |
| US4767540A (en) * | 1987-02-11 | 1988-08-30 | American Cyanamid Company | Polymers containing hydroxamic acid groups for reduction of suspended solids in bayer process streams |
| HU207826B (en) | 1987-02-23 | 1993-06-28 | Magyar Aluminium | Process for producing sodium-aluminate solutions with regenerating sodium-oxide- and aluminium-oxide content of red mud |
| US4737352A (en) * | 1987-04-09 | 1988-04-12 | Nalco Chemical Company | Use of surfactants in alumina precipitation in the bayer process |
| US5122349A (en) * | 1988-10-27 | 1992-06-16 | Aluminiumipari Troszt | Process for producing alumina |
| GB8906500D0 (en) * | 1989-03-21 | 1989-05-04 | Shell Int Research | Process for the production of aluminium hydroxide from bauxite |
| US5273579A (en) * | 1990-06-19 | 1993-12-28 | Mitsubishi Mining And Cement Co., Ltd. | Quick setting compositions |
| DE69125659T2 (de) * | 1990-06-25 | 1997-07-31 | Nalco Australia | Modifikation der Kristallzüchtung |
| HU212533B (en) | 1990-12-20 | 1996-07-29 | Ajkai Aluminiumipari Kft | Method for the thickening of red mud slurry arising during alumearth production |
| US5387405A (en) * | 1992-03-25 | 1995-02-07 | Nalco Chemical Company | Bayer liquor polishing |
| US5364828A (en) * | 1992-10-21 | 1994-11-15 | Minerals Technologies | Spheroidal aggregate of platy synthetic hydrotalcite |
| US5346511A (en) * | 1993-03-12 | 1994-09-13 | Nalco Chemical Company | Antifoam/defoamer compositions for Bayer process |
| US5488991A (en) * | 1994-10-24 | 1996-02-06 | Shell Oil Company | Alumina wellbore cement composition |
| US5853677A (en) * | 1996-04-26 | 1998-12-29 | Cytec Technology Corp. | Concentration of solids by flocculating in the Bayer process |
| KR100483685B1 (ko) * | 1998-09-25 | 2005-04-18 | 워슬리 얼루미나 피티와이. 엘티디. | 바이어 부식방법 |
-
1999
- 1999-09-13 KR KR10-2001-7003861A patent/KR100483685B1/ko not_active Expired - Fee Related
- 1999-09-13 US US09/787,943 patent/US6676910B1/en not_active Expired - Fee Related
- 1999-09-13 AU AU58412/99A patent/AU749809B2/en not_active Expired
- 1999-09-13 TR TR2001/00811T patent/TR200100811T2/xx unknown
- 1999-09-13 DE DE69943304T patent/DE69943304D1/de not_active Expired - Lifetime
- 1999-09-13 AT AT99945770T patent/ATE412612T1/de not_active IP Right Cessation
- 1999-09-13 RS YUP-216/01A patent/RS50048B/sr unknown
- 1999-09-13 EP EP06076716A patent/EP1775264B1/en not_active Expired - Lifetime
- 1999-09-13 OA OA1200100077A patent/OA11658A/en unknown
- 1999-09-13 AP APAP/P/2001/002110A patent/AP1701A/en active
- 1999-09-13 BR BR9913933-2A patent/BR9913933A/pt not_active IP Right Cessation
- 1999-09-13 EA EA200100282A patent/EA002798B1/ru not_active IP Right Cessation
- 1999-09-13 ES ES99945770T patent/ES2317703T3/es not_active Expired - Lifetime
- 1999-09-13 DE DE69939834T patent/DE69939834D1/de not_active Expired - Fee Related
- 1999-09-13 HU HU0103434A patent/HUP0103434A3/hu unknown
- 1999-09-13 EP EP99945770A patent/EP1124758B1/en not_active Expired - Lifetime
- 1999-09-13 SK SK335-2001A patent/SK287753B6/sk not_active IP Right Cessation
- 1999-09-13 JP JP2000572154A patent/JP3872956B2/ja not_active Expired - Fee Related
- 1999-09-13 CA CA002470673A patent/CA2470673C/en not_active Expired - Fee Related
- 1999-09-13 AT AT06076716T patent/ATE502900T1/de not_active IP Right Cessation
- 1999-09-13 WO PCT/AU1999/000757 patent/WO2000018684A1/en not_active Ceased
- 1999-09-13 CN CNB998112666A patent/CN1186260C/zh not_active Expired - Lifetime
- 1999-09-13 TR TR2002/00090T patent/TR200200090T2/xx unknown
- 1999-09-13 CN CNB2003101028260A patent/CN1269737C/zh not_active Expired - Lifetime
- 1999-09-13 CA CA002352953A patent/CA2352953C/en not_active Expired - Fee Related
-
2002
- 2002-10-28 US US10/281,190 patent/US7767190B2/en not_active Expired - Fee Related
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| OA11658A (en) | Improved bayer causticisation. | |
| US3944648A (en) | Method for processing bauxites | |
| US7666373B2 (en) | Alumina recovery using aluminum containing layered double hydroxide | |
| IE853311L (en) | Purification of bayer prosess liquors | |
| EA001917B1 (ru) | Удаление кремнезема из бокситов | |
| EP1301260B1 (en) | Improved process for filter aid production in alumina refineries | |
| AU2004201629B2 (en) | Improved bayer causticisation | |
| AU769770B2 (en) | Improved bayer causticisation | |
| CN119258943B (zh) | 高碱、低铝、低硅溶液中铝和/或硅的深度去除工艺 | |
| AU2006212716B2 (en) | Alumina recovery | |
| JPH032802B2 (sr) | ||
| ES2361264T3 (es) | Caustificación bayer perfeccionada. | |
| RU2004495C1 (ru) | Способ производства глинозема | |
| RU2213057C2 (ru) | Способ переработки низкокачественного щелочного алюмосиликатного сырья | |
| Lamerant | Process for treating bauxites containing a mixture of alumina trihydrate and alumina monohydrate |