CN100572277C - 一种改进的串联法生产氧化铝的方法 - Google Patents
一种改进的串联法生产氧化铝的方法 Download PDFInfo
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- CN100572277C CN100572277C CNB2007100998304A CN200710099830A CN100572277C CN 100572277 C CN100572277 C CN 100572277C CN B2007100998304 A CNB2007100998304 A CN B2007100998304A CN 200710099830 A CN200710099830 A CN 200710099830A CN 100572277 C CN100572277 C CN 100572277C
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- Prior art keywords
- grog
- red
- mud
- liquid
- alumina
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- 238000000034 method Methods 0.000 title claims abstract description 51
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 239000007787 solid Substances 0.000 claims abstract description 47
- 238000005245 sintering Methods 0.000 claims abstract description 24
- 238000004131 Bayer process Methods 0.000 claims abstract description 23
- 239000002002 slurry Substances 0.000 claims abstract description 16
- 229910001570 bauxite Inorganic materials 0.000 claims abstract description 14
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 8
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 5
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 5
- 239000004571 lime Substances 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000002386 leaching Methods 0.000 claims abstract description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 4
- 235000017550 sodium carbonate Nutrition 0.000 claims abstract description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 20
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 15
- 239000003513 alkali Substances 0.000 claims description 15
- 239000011575 calcium Substances 0.000 claims description 15
- 229910052791 calcium Inorganic materials 0.000 claims description 15
- 238000010304 firing Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims 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 claims description 2
- 238000004886 process control Methods 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 19
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 16
- 229910001948 sodium oxide Inorganic materials 0.000 description 16
- 238000007906 compression Methods 0.000 description 15
- 230000006835 compression Effects 0.000 description 15
- 229910001648 diaspore Inorganic materials 0.000 description 13
- 239000002994 raw material Substances 0.000 description 13
- 239000003795 chemical substances by application Substances 0.000 description 12
- 238000004090 dissolution Methods 0.000 description 12
- 238000005189 flocculation Methods 0.000 description 12
- 230000016615 flocculation Effects 0.000 description 12
- 239000012530 fluid Substances 0.000 description 12
- 238000009472 formulation Methods 0.000 description 12
- 229910052500 inorganic mineral Inorganic materials 0.000 description 12
- 239000011707 mineral Substances 0.000 description 12
- 235000010755 mineral Nutrition 0.000 description 12
- 239000000203 mixture Substances 0.000 description 12
- 238000004062 sedimentation Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 238000009770 conventional sintering Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 229910001710 laterite Inorganic materials 0.000 description 1
- 239000011504 laterite Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2007100998304A CN100572277C (zh) | 2007-05-31 | 2007-05-31 | 一种改进的串联法生产氧化铝的方法 |
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CNB2007100998304A CN100572277C (zh) | 2007-05-31 | 2007-05-31 | 一种改进的串联法生产氧化铝的方法 |
Publications (2)
Publication Number | Publication Date |
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CN101070172A CN101070172A (zh) | 2007-11-14 |
CN100572277C true CN100572277C (zh) | 2009-12-23 |
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CNB2007100998304A Active CN100572277C (zh) | 2007-05-31 | 2007-05-31 | 一种改进的串联法生产氧化铝的方法 |
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Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101928025B (zh) * | 2009-06-26 | 2012-09-19 | 中国恩菲工程技术有限公司 | 串联法生产氧化铝的方法 |
CN101844785A (zh) * | 2010-06-13 | 2010-09-29 | 中国铝业股份有限公司 | 一种低铝硅比拜耳法赤泥的炉料烧结方法 |
CN102372408A (zh) * | 2010-08-26 | 2012-03-14 | 沈阳铝镁设计研究院有限公司 | 串联法生产氧化铝干法喂料烧结时的拜耳法赤泥脱水方法 |
CN102372297B (zh) * | 2010-08-26 | 2013-10-09 | 沈阳铝镁设计研究院有限公司 | 串联法生产氧化铝干法喂料烧结方法 |
CN103130257A (zh) * | 2013-03-18 | 2013-06-05 | 中国铝业股份有限公司 | 一种改进的生产氧化铝的方法 |
CN105540627A (zh) * | 2016-01-19 | 2016-05-04 | 中国铝业股份有限公司 | 一种烧结法生产氧化铝的熟料制备方法 |
CN108264071B (zh) * | 2018-01-22 | 2020-01-21 | 史建生 | 一种控制串联法氧化铝磨制入窑生料浆钙比指标的方法 |
CN109704374B (zh) * | 2019-03-13 | 2021-10-26 | 国家电投集团山西铝业有限公司 | 一种用于串联法生产氧化铝的熟料及其工艺 |
CN113213515A (zh) * | 2021-05-10 | 2021-08-06 | 中国铝业股份有限公司 | 一种降低碳碱的方法和设备 |
CN114940506B (zh) * | 2022-04-01 | 2024-02-02 | 国家电投集团山西铝业有限公司 | 氧化铝生产串联法中液碱烧结方法以及熟料 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN85108237A (zh) * | 1984-11-22 | 1986-05-10 | 皮奇尼铝公司 | 在两种状态引入晶种以生产大颗粒氧化铝的工艺 |
CN1106359A (zh) * | 1993-08-26 | 1995-08-09 | 皮奇尼铝公司 | 制造可控制钠含量和颗粒尺寸的三水氧化铝的方法 |
US20050276745A1 (en) * | 2004-06-15 | 2005-12-15 | Sumitomo Chemical Company, Limited | Method for producing an alpha - alumina powder |
-
2007
- 2007-05-31 CN CNB2007100998304A patent/CN100572277C/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN85108237A (zh) * | 1984-11-22 | 1986-05-10 | 皮奇尼铝公司 | 在两种状态引入晶种以生产大颗粒氧化铝的工艺 |
CN1106359A (zh) * | 1993-08-26 | 1995-08-09 | 皮奇尼铝公司 | 制造可控制钠含量和颗粒尺寸的三水氧化铝的方法 |
US20050276745A1 (en) * | 2004-06-15 | 2005-12-15 | Sumitomo Chemical Company, Limited | Method for producing an alpha - alumina powder |
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Effective date of registration: 20151231 Address after: 450041 No. 82, Jiyuan Road, Zhengzhou District, Henan 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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Address after: 450041 No. 82, Jiyuan Road, Zhengzhou District, Henan Patentee after: China Aluminum Zhengzhou Research Institute of Nonferrous Metals Co., Ltd. Address before: 450041 No. 82, Jiyuan Road, Zhengzhou District, Henan Patentee before: ZHENGZHOU NON-FERROUS METALS RESEARCH INSTITUTE CO., LTD. OF CHALCO |