CN100532262C - 一种中低品位铝土矿生产氧化铝的方法 - Google Patents
一种中低品位铝土矿生产氧化铝的方法 Download PDFInfo
- Publication number
- CN100532262C CN100532262C CNB2007101186671A CN200710118667A CN100532262C CN 100532262 C CN100532262 C CN 100532262C CN B2007101186671 A CNB2007101186671 A CN B2007101186671A CN 200710118667 A CN200710118667 A CN 200710118667A CN 100532262 C CN100532262 C CN 100532262C
- Authority
- CN
- China
- Prior art keywords
- red mud
- bayer
- lime
- bauxite
- stripping
- 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.)
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Links
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims description 50
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 238000004131 Bayer process Methods 0.000 claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 48
- 229910001570 bauxite Inorganic materials 0.000 claims abstract description 42
- 239000003513 alkali Substances 0.000 claims abstract description 35
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 34
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 34
- 239000004571 lime Substances 0.000 claims abstract description 34
- 239000002893 slag Substances 0.000 claims abstract description 16
- 239000000654 additive Substances 0.000 claims abstract description 9
- 230000000996 additive effect Effects 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 239000002002 slurry Substances 0.000 claims abstract description 4
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 claims abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 62
- 239000000377 silicon dioxide Substances 0.000 claims description 31
- 238000004090 dissolution Methods 0.000 claims description 28
- 239000011734 sodium Substances 0.000 claims description 13
- 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 claims description 11
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 claims description 11
- 239000003518 caustics Substances 0.000 claims description 11
- 229910052708 sodium Inorganic materials 0.000 claims description 11
- 238000002386 leaching Methods 0.000 claims description 9
- 239000012452 mother liquor Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract description 14
- 238000005265 energy consumption Methods 0.000 abstract description 9
- 230000029087 digestion Effects 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 5
- 239000013589 supplement Substances 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 9
- 239000000292 calcium oxide Substances 0.000 description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 2
- 229910001948 sodium oxide Inorganic materials 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910001648 diaspore Inorganic materials 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Images
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
Abstract
Description
Claims (3)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2007101186671A CN100532262C (zh) | 2007-07-12 | 2007-07-12 | 一种中低品位铝土矿生产氧化铝的方法 |
PCT/CN2007/003721 WO2009006772A1 (fr) | 2007-07-12 | 2007-12-21 | Procédé de fabrication d'alumine avec de la bauxite de qualité moyenne et basse |
RU2010104624/05A RU2478574C2 (ru) | 2007-07-12 | 2007-12-21 | Способ получения оксида алюминия из средне- и низкосортного боксита |
AU2007356401A AU2007356401B2 (en) | 2007-07-12 | 2007-12-21 | A method for producing alumina with middle and low grade bauxite |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2007101186671A CN100532262C (zh) | 2007-07-12 | 2007-07-12 | 一种中低品位铝土矿生产氧化铝的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101113001A CN101113001A (zh) | 2008-01-30 |
CN100532262C true CN100532262C (zh) | 2009-08-26 |
Family
ID=39021559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2007101186671A Active CN100532262C (zh) | 2007-07-12 | 2007-07-12 | 一种中低品位铝土矿生产氧化铝的方法 |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN100532262C (zh) |
AU (1) | AU2007356401B2 (zh) |
RU (1) | RU2478574C2 (zh) |
WO (1) | WO2009006772A1 (zh) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102092910A (zh) * | 2010-12-15 | 2011-06-15 | 中国铝业股份有限公司 | 一种拜耳法赤泥的处理方法 |
CN102070166B (zh) * | 2010-12-15 | 2012-10-10 | 中国铝业股份有限公司 | 一种改进的中低品位铝土矿生产氧化铝的方法 |
CN103030161B (zh) * | 2012-12-21 | 2015-04-08 | 中南大学 | 叶滤滤饼的应用 |
CN104140122B (zh) * | 2013-05-10 | 2016-02-24 | 中国科学院过程工程研究所 | 一种高硫铝土矿的预脱硫方法 |
CN103643050B (zh) * | 2013-12-12 | 2016-08-17 | 攀枝花钢城集团有限公司 | 一种利用高铝预熔渣生产氧化铝的方法 |
CN103950960B (zh) * | 2014-04-30 | 2016-01-20 | 东北大学 | 一种基于钙化-碳化法的无蒸发生产氧化铝的方法 |
CN103964478B (zh) * | 2014-04-30 | 2015-11-04 | 东北大学 | 一种钙化-碳化法处理中低品位含铝原料及铝循环的方法 |
CN103934258B (zh) * | 2014-04-30 | 2016-04-06 | 东北大学 | 钙化-碳化法处理拜耳法赤泥过程中碱与铝的回收方法 |
CN106517277A (zh) * | 2016-11-07 | 2017-03-22 | 中国铝业股份有限公司 | 一种铝土矿生产氧化铝联产硅肥的方法 |
CN108862340A (zh) * | 2018-08-01 | 2018-11-23 | 中国铝业股份有限公司 | 一种系统提高中低品位铝土矿拜耳法过程效率的方法 |
CN109437217A (zh) * | 2018-10-30 | 2019-03-08 | 东北大学设计研究院(有限公司) | 一种赤泥处理及氧化铝生产的方法 |
CN110314923B (zh) * | 2019-07-12 | 2021-01-22 | 郑州中科新兴产业技术研究院 | 一种强化铝灰脱盐脱氮的方法 |
CN112919511A (zh) * | 2019-12-05 | 2021-06-08 | 沈阳铝镁设计研究院有限公司 | 极简拜耳法 |
CN112158869B (zh) * | 2020-10-16 | 2021-06-29 | 中南大学 | 一种一水硬铝石型铝土矿的溶出方法 |
CN114538489B (zh) * | 2022-03-18 | 2023-07-14 | 四川轻化工大学 | 一种利用铝灰制备高效粉状速凝剂的方法和系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1803620A (zh) * | 2006-01-23 | 2006-07-19 | 山东铝业股份有限公司 | 三水铝石的溶出方法 |
CN1923730A (zh) * | 2006-10-13 | 2007-03-07 | 中国铝业股份有限公司 | 一种萃取拜耳法母液处理赤泥的方法 |
CN1974396A (zh) * | 2006-11-29 | 2007-06-06 | 上海添诚商务发展有限公司 | 铝废渣废灰用于改善一水硬铝石拜耳法生产氧化铝工艺 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU510974A1 (ru) * | 1974-01-04 | 1988-08-23 | Всесоюзный Научно-Исследовательский И Проектный Институт Алюминиевой,Магниевой И Электродной Промышленности | Способ получени глинозема |
AU563304B2 (en) * | 1984-12-21 | 1987-07-02 | Comalco Aluminium Limited | Soz leach to recover soda and alumina from red mud with recycle to bayer process |
US4578255A (en) * | 1984-12-27 | 1986-03-25 | Kaiser Aluminum Chemical Corporation | Purification of Bayer process liquors |
DE4036448A1 (de) * | 1989-11-16 | 1991-05-23 | Franz Prof Dr Ing Pawlek | Verfahren zum aufschliessen von bauxit |
RU2060941C1 (ru) * | 1992-12-17 | 1996-05-27 | Всероссийский научно-исследовательский и проектный институт алюминиевой, магниевой и электродной промышленности | Способ переработки щелочного алюмосиликатного сырья |
GB9726117D0 (en) * | 1997-12-11 | 1998-02-11 | Isis Innovation | Process for producing alumina |
CN1156399C (zh) * | 2000-05-19 | 2004-07-07 | 郑州轻金属研究院 | 一水硬铝石型铝土矿精矿生产氧化铝方法 |
CN1380253A (zh) * | 2002-05-17 | 2002-11-20 | 中国铝业股份有限公司 | 一水型铝土矿石灰拜耳法生产氧化铝工艺 |
CN1594093A (zh) * | 2004-06-25 | 2005-03-16 | 中国铝业股份有限公司 | 一种拜耳法赤泥常压脱碱方法 |
CN1865145B (zh) * | 2005-05-19 | 2010-04-07 | 贵阳铝镁设计研究院 | 氧化铝生产溶出后加矿工艺 |
CN100371248C (zh) * | 2006-07-16 | 2008-02-27 | 山东铝业股份有限公司 | 拜耳法氧化铝生产赤泥分离方法 |
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2007
- 2007-07-12 CN CNB2007101186671A patent/CN100532262C/zh active Active
- 2007-12-21 WO PCT/CN2007/003721 patent/WO2009006772A1/zh active Application Filing
- 2007-12-21 AU AU2007356401A patent/AU2007356401B2/en active Active
- 2007-12-21 RU RU2010104624/05A patent/RU2478574C2/ru active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1803620A (zh) * | 2006-01-23 | 2006-07-19 | 山东铝业股份有限公司 | 三水铝石的溶出方法 |
CN1923730A (zh) * | 2006-10-13 | 2007-03-07 | 中国铝业股份有限公司 | 一种萃取拜耳法母液处理赤泥的方法 |
CN1974396A (zh) * | 2006-11-29 | 2007-06-06 | 上海添诚商务发展有限公司 | 铝废渣废灰用于改善一水硬铝石拜耳法生产氧化铝工艺 |
Also Published As
Publication number | Publication date |
---|---|
RU2010104624A (ru) | 2011-08-20 |
RU2478574C2 (ru) | 2013-04-10 |
WO2009006772A1 (fr) | 2009-01-15 |
AU2007356401B2 (en) | 2013-10-31 |
CN101113001A (zh) | 2008-01-30 |
AU2007356401A1 (en) | 2009-01-15 |
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Effective date of registration: 20160115 Address after: 12, Fuxing Road, Beijing, Haidian District, China Aluminum Limited by Share Ltd Patentee after: ZHENGZHOU NON-FERROUS METALS RESEARCH INSTITUTE CO., LTD. OF CHALCO Address before: 100814, Haidian District, Fuxing Road, Beijing No. 12, China Aluminum Limited by Share Ltd Patentee before: Aluminum Corporation of China Limited |
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CP01 | Change in the name or title of a patent holder |
Address after: 12, Fuxing Road, Beijing, Haidian District, China Aluminum Limited by Share Ltd Patentee after: China Aluminum Zhengzhou Research Institute of Nonferrous Metals Co., Ltd. Address before: 12, Fuxing Road, Beijing, Haidian District, China Aluminum Limited by Share Ltd Patentee before: ZHENGZHOU NON-FERROUS METALS RESEARCH INSTITUTE CO., LTD. OF CHALCO |
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