JP2021116475A - 炭酸リチウムの精製方法 - Google Patents
炭酸リチウムの精製方法 Download PDFInfo
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- JP2021116475A JP2021116475A JP2021000826A JP2021000826A JP2021116475A JP 2021116475 A JP2021116475 A JP 2021116475A JP 2021000826 A JP2021000826 A JP 2021000826A JP 2021000826 A JP2021000826 A JP 2021000826A JP 2021116475 A JP2021116475 A JP 2021116475A
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- Prior art keywords
- lithium
- lithium carbonate
- purifying
- carbonate
- crude
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- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 title claims abstract description 103
- 229910052808 lithium carbonate Inorganic materials 0.000 title claims abstract description 103
- 238000000034 method Methods 0.000 title claims abstract description 47
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 41
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 41
- 239000012266 salt solution Substances 0.000 claims abstract description 39
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims abstract description 36
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 30
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 30
- 239000000243 solution Substances 0.000 claims abstract description 21
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 150000003839 salts Chemical class 0.000 claims abstract description 14
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 12
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims abstract description 6
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 6
- 150000001450 anions Chemical class 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 239000008151 electrolyte solution Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 239000011707 mineral Substances 0.000 claims description 8
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 6
- 238000007873 sieving Methods 0.000 claims description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 19
- 239000011737 fluorine Substances 0.000 description 19
- 229910052731 fluorine Inorganic materials 0.000 description 19
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 18
- 239000012535 impurity Substances 0.000 description 18
- 239000011574 phosphorus Substances 0.000 description 18
- 229910052698 phosphorus Inorganic materials 0.000 description 18
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 13
- 229910052744 lithium Inorganic materials 0.000 description 13
- 239000002699 waste material Substances 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- 150000002894 organic compounds Chemical class 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 4
- -1 lithium hexafluorophosphate Chemical compound 0.000 description 4
- 150000002642 lithium compounds Chemical class 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000006182 cathode active material Substances 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- YQNQTEBHHUSESQ-UHFFFAOYSA-N lithium aluminate Chemical compound [Li+].[O-][Al]=O YQNQTEBHHUSESQ-UHFFFAOYSA-N 0.000 description 1
- 229910000032 lithium hydrogen carbonate Inorganic materials 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- HQRPHMAXFVUBJX-UHFFFAOYSA-M lithium;hydrogen carbonate Chemical compound [Li+].OC([O-])=O HQRPHMAXFVUBJX-UHFFFAOYSA-M 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Secondary Cells (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
Claims (5)
- 炭酸リチウムの精製方法であって、
粗炭酸リチウムに、アルミニウム塩溶液を添加した後、液性をpH4〜9の範囲に調整し、析出した水酸化アルミニウムを濾別してリチウムイオンと該アルミニウム塩の陰イオンとの塩からなる精製リチウム塩溶液を得る工程と、
該精製リチウム塩溶液にアルカリ金属水酸化物溶液を添加し、水酸化リチウム溶液を得る工程と、
該水酸化リチウム溶液に炭酸ガスを供給し、析出した炭酸リチウムを回収する工程とを備えることを特徴とする炭酸リチウムの精製方法。 - 請求項1記載の炭酸リチウムの精製方法において、前記粗炭酸リチウムにアルミニウム塩溶液を添加する前に、該粗炭酸リチウムを水に懸濁させ、鉱酸を添加して粗リチウム塩溶液を得る工程を備えることを特徴とする炭酸リチウムの精製方法。
- 炭酸リチウムの精製方法であって、
粗炭酸リチウムに、アルミニウム塩溶液を添加した後、液性をpH4〜9の範囲に調整し、析出した水酸化アルミニウムを濾別して精製リチウム塩溶液を得る工程と、
該精製リチウム塩溶液に炭酸塩を添加し、析出した炭酸リチウムを回収する工程とを備えることを特徴とする炭酸リチウムの精製方法。 - 請求項3記載の炭酸リチウムの精製方法において、前記粗炭酸リチウムにアルミニウム塩溶液を添加する前に、該粗炭酸リチウムを水に懸濁させ、鉱酸を添加して粗リチウム塩溶液を得る工程を備えることを特徴とする炭酸リチウムの精製方法。
- 請求項1〜請求項4のいずれか1項記載の炭酸リチウムの精製方法において、前記粗炭酸リチウムは、正極と、負極と、両極間に配置されたセパレータと、電解液とが金属製の筐体に収容されたリチウムイオン電池の該筐体に塩水中で開口部を形成した後、開口部が形成された該筐体を、不活性雰囲気下、650〜720℃の範囲の温度に所定時間維持して焙焼されたリチウムイオン電池を破砕し、篩分けすることにより得られたものであることを特徴とする炭酸リチウムの精製方法。
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JP7385976B1 (ja) * | 2022-01-21 | 2023-11-24 | 株式会社アサカ理研 | リチウム塩を含む水性液からリチウムを回収する方法 |
KR102552102B1 (ko) * | 2022-06-09 | 2023-07-06 | 한국선별기 주식회사 | 폐내화갑으로부터 음이온교환을 이용하여 고순도의 탄산리튬을 제조하는 방법 |
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JP4358954B2 (ja) | 1999-12-28 | 2009-11-04 | 株式会社アサカ理研 | 使用済み密閉型電池の開口方法 |
CN101775505B (zh) * | 2010-02-08 | 2011-08-31 | 中南大学 | 氯化焙烧法从锂云母中提取锂的方法和设备 |
JP2012106874A (ja) | 2010-11-15 | 2012-06-07 | Sumitomo Metal Mining Co Ltd | 水酸化リチウムの精製方法 |
JP2012229481A (ja) * | 2011-04-27 | 2012-11-22 | Japan Metals & Chem Co Ltd | 使用済みリチウムイオン電池類の有価物の分別回収方法 |
JP6352669B2 (ja) | 2014-04-11 | 2018-07-04 | Jx金属株式会社 | リチウムイオン電池廃棄物の処理方法 |
JP2019178395A (ja) | 2018-03-30 | 2019-10-17 | Jx金属株式会社 | リチウムイオン電池スクラップからのリチウムの回収方法 |
JP6651115B1 (ja) * | 2019-05-07 | 2020-02-19 | 株式会社アサカ理研 | リチウムイオン電池からのリチウムの回収方法 |
JP6647667B1 (ja) * | 2019-07-03 | 2020-02-14 | 株式会社アサカ理研 | リチウムイオン電池からのリチウムの回収方法 |
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JP2021113147A (ja) | 2021-08-05 |
JP7442829B2 (ja) | 2024-03-05 |
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