CN102491377B - 一种提纯氢氧化锂的方法 - Google Patents
一种提纯氢氧化锂的方法 Download PDFInfo
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- CN102491377B CN102491377B CN201110417778.9A CN201110417778A CN102491377B CN 102491377 B CN102491377 B CN 102491377B CN 201110417778 A CN201110417778 A CN 201110417778A CN 102491377 B CN102491377 B CN 102491377B
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- Prior art keywords
- lithium hydroxide
- mass
- purifying
- water
- membrane
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- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 title claims abstract description 232
- 238000000034 method Methods 0.000 title claims abstract description 37
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000013078 crystal Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 230000000873 masking effect Effects 0.000 claims abstract description 8
- 239000012528 membrane Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 6
- 238000001471 micro-filtration Methods 0.000 claims description 6
- 239000002808 molecular sieve Substances 0.000 claims description 6
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 6
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical group OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 4
- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 claims description 4
- 238000005374 membrane filtration Methods 0.000 claims description 4
- 210000002966 serum Anatomy 0.000 claims description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000032683 aging Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 10
- 238000011084 recovery Methods 0.000 abstract description 10
- 239000012535 impurity Substances 0.000 abstract description 9
- 238000002834 transmittance Methods 0.000 abstract description 7
- 238000004090 dissolution Methods 0.000 abstract 1
- 238000001291 vacuum drying Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 9
- 238000001953 recrystallisation Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 239000000706 filtrate Substances 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- 238000002425 crystallisation Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 239000012296 anti-solvent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 229960003330 pentetic acid Drugs 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
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CN201110417778.9A CN102491377B (zh) | 2011-12-14 | 2011-12-14 | 一种提纯氢氧化锂的方法 |
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CN201110417778.9A CN102491377B (zh) | 2011-12-14 | 2011-12-14 | 一种提纯氢氧化锂的方法 |
Publications (2)
Publication Number | Publication Date |
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CN102491377A CN102491377A (zh) | 2012-06-13 |
CN102491377B true CN102491377B (zh) | 2015-08-05 |
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CN201110417778.9A Expired - Fee Related CN102491377B (zh) | 2011-12-14 | 2011-12-14 | 一种提纯氢氧化锂的方法 |
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CN (1) | CN102491377B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103449480B (zh) * | 2013-08-30 | 2016-03-16 | 新疆有色金属研究所 | 电池级高纯氟化锂及其制备方法 |
CN104003427B (zh) * | 2014-06-10 | 2016-05-18 | 四川国润新材料有限公司 | 一种用锂辉石精矿制取片状高纯氢氧化锂的制备方法 |
CN106830020B (zh) * | 2017-03-15 | 2018-11-13 | 江苏容汇通用锂业股份有限公司 | 一种4n高纯碳酸锂的制备方法 |
CN107540003A (zh) * | 2017-10-13 | 2018-01-05 | 山东鲁北企业集团总公司 | 一种生产电池级碳酸锂工艺中硫酸锂浓缩净化液制备方法 |
CN110817904B (zh) * | 2018-08-14 | 2021-07-20 | 比亚迪股份有限公司 | 单水合氢氧化锂及其制备方法和用途以及锂离子电池正极材料和锂离子电池 |
CN110436488A (zh) * | 2019-08-13 | 2019-11-12 | 浙江钙科机械设备有限公司 | 一种制备高纯单水氢氧化锂专用混合剂 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1686805A (zh) * | 2005-06-22 | 2005-10-26 | 广州锐鑫锂能新材料科技有限公司 | 工业级氢氧化锂生产高纯高清氢氧化锂的提纯生产技术 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102016123A (zh) * | 2008-04-22 | 2011-04-13 | 凯米涛弗特公司 | 制备高纯度氢氧化锂和盐酸的方法 |
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2011
- 2011-12-14 CN CN201110417778.9A patent/CN102491377B/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1686805A (zh) * | 2005-06-22 | 2005-10-26 | 广州锐鑫锂能新材料科技有限公司 | 工业级氢氧化锂生产高纯高清氢氧化锂的提纯生产技术 |
Non-Patent Citations (3)
Title |
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《Behavior of LiOH⋅H2O crystals obtained by evaporation and by drowning out》;T. A. Graber et al.;《Cryst. Res. Technol.》;20080320;第43卷(第6期);第616-625页 * |
《PROCESS DESIGN FOR DROWNING-OUT CRYSTALLIZATION OF LITHIUM HYDROXIDE MONOHYDRATE》;M. E. Taboada et al.;《Trans IChemE》;20071231;第85卷(第A9期);第1325-1330页 * |
《Solubility, Density, Viscosity, Electrical Conductivity, and Refractive Index of Saturated Solutions of Lithium Hydroxide in Water + Ethanol》;Maria Elisa Taboada et al.;《J. Chem. Eng. Data》;20041221;第50卷(第1期);第187-190页 * |
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CN102491377A (zh) | 2012-06-13 |
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Inventor after: Gu Wenxiu Inventor after: Zhou Xiaolan Inventor after: Liu Qin Inventor after: Zou Luyi Inventor after: Li Lei Inventor before: Gu Wenxiu Inventor before: Liu Qin Inventor before: Zou Luyi Inventor before: Li Lei |
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Free format text: CORRECT: INVENTOR; FROM: GU WENXIU LIU QIN ZOU LUYI LI LEI TO: GU WENXIU ZHOU XIAOLAN LIU QIN ZOU LUYI LI LEI |
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