CN102180495A - 用铝土矿生产氧化铝的方法 - Google Patents
用铝土矿生产氧化铝的方法 Download PDFInfo
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- CN102180495A CN102180495A CN 201110002305 CN201110002305A CN102180495A CN 102180495 A CN102180495 A CN 102180495A CN 201110002305 CN201110002305 CN 201110002305 CN 201110002305 A CN201110002305 A CN 201110002305A CN 102180495 A CN102180495 A CN 102180495A
- Authority
- CN
- China
- Prior art keywords
- leaching
- filtrate
- circulation
- minutes
- bauxite
- 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.)
- Granted
Links
- 229910001570 bauxite Inorganic materials 0.000 title claims abstract description 32
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 title abstract description 32
- 238000004519 manufacturing process Methods 0.000 title abstract description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 140
- 238000002386 leaching Methods 0.000 claims abstract description 117
- 238000000034 method Methods 0.000 claims abstract description 65
- 238000001914 filtration Methods 0.000 claims abstract description 30
- 238000001354 calcination Methods 0.000 claims abstract description 16
- 238000005406 washing Methods 0.000 claims abstract description 15
- 238000000227 grinding Methods 0.000 claims abstract description 5
- 238000011084 recovery Methods 0.000 claims abstract description 3
- 239000000706 filtrate Substances 0.000 claims description 85
- 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 32
- 239000000203 mixture Substances 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 30
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 30
- 238000001704 evaporation Methods 0.000 claims description 26
- 230000008020 evaporation Effects 0.000 claims description 26
- 239000012153 distilled water Substances 0.000 claims description 19
- 239000000377 silicon dioxide Substances 0.000 claims description 16
- 238000002425 crystallisation Methods 0.000 claims description 12
- 230000008025 crystallization Effects 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 238000013467 fragmentation Methods 0.000 claims description 10
- 238000006062 fragmentation reaction Methods 0.000 claims description 10
- 239000000047 product Substances 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 10
- 239000005995 Aluminium silicate Substances 0.000 claims description 4
- 235000012211 aluminium silicate Nutrition 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 4
- 238000004062 sedimentation Methods 0.000 claims description 4
- 239000012752 auxiliary agent Substances 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000004131 Bayer process Methods 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 3
- 239000011707 mineral Substances 0.000 abstract description 3
- 229910052710 silicon Inorganic materials 0.000 abstract description 3
- 239000010703 silicon Substances 0.000 abstract description 3
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 39
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 12
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 12
- 235000012239 silicon dioxide Nutrition 0.000 description 12
- 229960001866 silicon dioxide Drugs 0.000 description 12
- 238000005245 sintering Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- KMWBBMXGHHLDKL-UHFFFAOYSA-N [AlH3].[Si] Chemical compound [AlH3].[Si] KMWBBMXGHHLDKL-UHFFFAOYSA-N 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 229940115440 aluminum sodium silicate Drugs 0.000 description 2
- LDDQLRUQCUTJBB-UHFFFAOYSA-N ammonium fluoride Chemical compound [NH4+].[F-] LDDQLRUQCUTJBB-UHFFFAOYSA-N 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 239000000429 sodium aluminium silicate Substances 0.000 description 2
- 235000012217 sodium aluminium silicate Nutrition 0.000 description 2
- 235000017550 sodium carbonate Nutrition 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910001648 diaspore Inorganic materials 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201110002305 CN102180495B (zh) | 2011-01-07 | 2011-01-07 | 用铝土矿生产氧化铝的方法 |
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CN 201110002305 CN102180495B (zh) | 2011-01-07 | 2011-01-07 | 用铝土矿生产氧化铝的方法 |
Publications (2)
Publication Number | Publication Date |
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CN102180495A true CN102180495A (zh) | 2011-09-14 |
CN102180495B CN102180495B (zh) | 2013-04-24 |
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CN 201110002305 Active CN102180495B (zh) | 2011-01-07 | 2011-01-07 | 用铝土矿生产氧化铝的方法 |
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CN (1) | CN102180495B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104843751A (zh) * | 2015-06-10 | 2015-08-19 | 沈阳鑫博工业技术股份有限公司 | 一种铝土矿活化煅烧低温溶出系统及活化煅烧和溶出方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100542961C (zh) * | 2006-07-19 | 2009-09-23 | 中国科学院过程工程研究所 | 一种氢氧化钠熔盐法处理铝土矿生产氢氧化铝的工艺 |
CN101767807A (zh) * | 2010-01-20 | 2010-07-07 | 潘爱芳 | 一种从铝土矿中提取高纯氧化铝与硅胶的方法 |
-
2011
- 2011-01-07 CN CN 201110002305 patent/CN102180495B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100542961C (zh) * | 2006-07-19 | 2009-09-23 | 中国科学院过程工程研究所 | 一种氢氧化钠熔盐法处理铝土矿生产氢氧化铝的工艺 |
CN101767807A (zh) * | 2010-01-20 | 2010-07-07 | 潘爱芳 | 一种从铝土矿中提取高纯氧化铝与硅胶的方法 |
Non-Patent Citations (1)
Title |
---|
《无机盐工业》 20080731 张梅等 液体铝酸钠生产的工艺研究 参见第44页左栏第10-11行,第44页右栏第5-8行、第11-12行 1-7 第40卷, 第7期 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104843751A (zh) * | 2015-06-10 | 2015-08-19 | 沈阳鑫博工业技术股份有限公司 | 一种铝土矿活化煅烧低温溶出系统及活化煅烧和溶出方法 |
CN104843751B (zh) * | 2015-06-10 | 2016-05-18 | 沈阳鑫博工业技术股份有限公司 | 一种铝土矿活化煅烧低温溶出系统及活化煅烧和溶出方法 |
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Publication number | Publication date |
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CN102180495B (zh) | 2013-04-24 |
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