JP2011168858A - リチウム含有液からの高濃度リチウム溶液の製造方法および炭酸リチウムの製造方法 - Google Patents
リチウム含有液からの高濃度リチウム溶液の製造方法および炭酸リチウムの製造方法 Download PDFInfo
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- JP2011168858A JP2011168858A JP2010035617A JP2010035617A JP2011168858A JP 2011168858 A JP2011168858 A JP 2011168858A JP 2010035617 A JP2010035617 A JP 2010035617A JP 2010035617 A JP2010035617 A JP 2010035617A JP 2011168858 A JP2011168858 A JP 2011168858A
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 146
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 146
- 239000007788 liquid Substances 0.000 title claims abstract description 46
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 title claims description 12
- 229910052808 lithium carbonate Inorganic materials 0.000 title claims description 12
- 229910001386 lithium phosphate Inorganic materials 0.000 claims abstract description 22
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 claims abstract description 22
- 239000002244 precipitate Substances 0.000 claims abstract description 18
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 13
- 238000002386 leaching Methods 0.000 claims abstract description 12
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 12
- 239000010452 phosphate Substances 0.000 claims abstract description 11
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 3
- 239000000243 solution Substances 0.000 claims description 45
- 230000026731 phosphorylation Effects 0.000 claims description 18
- 238000006366 phosphorylation reaction Methods 0.000 claims description 18
- 229910001385 heavy metal Inorganic materials 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 11
- 239000003929 acidic solution Substances 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 25
- 238000000909 electrodialysis Methods 0.000 abstract description 5
- 238000000638 solvent extraction Methods 0.000 abstract description 5
- 239000002253 acid Substances 0.000 abstract description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 235000021317 phosphate Nutrition 0.000 description 7
- 238000011084 recovery Methods 0.000 description 6
- 239000002002 slurry Substances 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 4
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 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 description 2
- 229910018119 Li 3 PO 4 Inorganic materials 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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-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
- 238000000605 extraction Methods 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000404 tripotassium phosphate Inorganic materials 0.000 description 2
- 235000019798 tripotassium phosphate Nutrition 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 229910000398 iron phosphate Inorganic materials 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- -1 lithium Chemical class 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 229910000406 trisodium phosphate Inorganic materials 0.000 description 1
- 235000019801 trisodium phosphate Nutrition 0.000 description 1
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- 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
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- Secondary Cells (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
【解決手段】リチウム含有液にリン酸塩を添加して、リチウム含有液中のリチウムイオンをリン酸リチウムの沈殿物にし、リン酸リチウムの沈殿物を回収するリチウムのリン酸化工程と、リン酸リチウムの沈殿物を酸性溶液と混合して、リン酸リチウム中のリチウムを酸性溶液中に浸出させるリチウム浸出工程とからなる。
【選択図】図1
Description
3Li+ + PO4 3− = Li3PO4 (1)
コバルト:4.30g/L
リチウム:3.00g/L
ナトリウム:30g/L
マグネシウム:80mg/L
カリウム:60mg/L
Claims (7)
- リチウム含有液にリン酸塩を添加して、前記リチウム含有液中のリチウムイオンをリン酸リチウムの沈殿物にし、前記リン酸リチウムの沈殿物を回収するリチウムのリン酸化工程と、
前記リン酸リチウムの沈殿物を酸性溶液と混合して、前記リン酸リチウム中のリチウムを前記酸性溶液中に浸出させるリチウム浸出工程と、
からなることを特徴とする、リチウム含有液からの高濃度リチウム溶液の製造方法。 - 前記リチウムのリン酸化工程の前処理として、前記リチウム含有液に水酸化アルカリを添加して重金属不純物を沈殿させた後、固液分離により、前記重金属不純物を除去することを特徴とする、請求項1に記載のリチウム含有液からの高濃度リチウム溶液の製造方法。
- 前記リチウムのリン酸化工程において、リン酸化する際の前記リチウム含有液のpHを5.0〜15.0の範囲にすることを特徴とする、請求項1または2に記載のリチウム含有液からの高濃度リチウム溶液の製造方法。
- 前記リチウムのリン酸化工程において、リン酸塩の原料が、リン酸アルカリまたは重金属リン酸塩であることを特徴とする、請求項1〜3のいずれかに記載のリチウム含有液からの高濃度リチウム溶液の製造方法。
- 前記リチウム浸出工程において、前記酸性溶液が硫酸、塩酸、硝酸のいずれかを含むことを特徴とする、請求項1〜4のいずれかに記載のリチウム含有液からの高濃度リチウム溶液の製造方法。
- 前記リチウム浸出工程において、前記酸性溶液のpHを−0.5〜5.0の範囲にすることを特徴とする、請求項1〜5のいずれかに記載のリチウム含有液からの高濃度リチウム溶液の製造方法。
- 請求項1〜6のいずれかに記載の高濃度リチウム溶液の製造方法で得られた高濃度リチウム溶液に、炭酸塩を添加し、前記高濃度リチウム溶液中のリチウムを炭酸リチウムとして析出することを特徴とする、炭酸リチウムの製造方法。
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CN102910607A (zh) * | 2012-10-22 | 2013-02-06 | 四川天齐锂业股份有限公司 | 磷酸亚铁锂正极材料综合回收利用方法 |
WO2013118300A1 (ja) * | 2012-02-10 | 2013-08-15 | 住友金属鉱山株式会社 | リチウムの回収方法 |
KR101604954B1 (ko) | 2015-09-22 | 2016-03-18 | 강원대학교산학협력단 | 폐전지의 리튬폐액을 활용한 고순도 인산리튬 제조방법 |
CN106086473A (zh) * | 2016-08-24 | 2016-11-09 | 厦门世达膜科技有限公司 | 一种硫酸锂浸出液分离纯化工艺 |
CN106756049A (zh) * | 2016-12-23 | 2017-05-31 | 江西合纵锂业科技有限公司 | 一种从失效磷酸铁锂电池正极材料中回收铁和锂的方法 |
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CN108531751A (zh) * | 2011-12-12 | 2018-09-14 | 浦项产业科学研究院 | 从含锂溶液中提取锂的方法 |
WO2019044042A1 (ja) * | 2017-08-28 | 2019-03-07 | 杉山 修 | アルカリ性のミネラルイオン水を含有する電解液を有する電池、電解質活物質及び電池用電解液の製造方法 |
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CN102910607A (zh) * | 2012-10-22 | 2013-02-06 | 四川天齐锂业股份有限公司 | 磷酸亚铁锂正极材料综合回收利用方法 |
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US10566664B2 (en) | 2016-12-14 | 2020-02-18 | Sungeel Hitech Co., Ltd. | Method for producing lithium phosphate from a lithium solution |
US10850989B2 (en) | 2016-12-20 | 2020-12-01 | Sungeel Hitech Co., Ltd. | Method for preparing solid lithium salt from lithium solution |
KR101773439B1 (ko) * | 2016-12-20 | 2017-09-01 | 성일하이텍(주) | 리튬 함유 폐액으로부터 고상의 탄산리튬 제조방법 |
CN106756049A (zh) * | 2016-12-23 | 2017-05-31 | 江西合纵锂业科技有限公司 | 一种从失效磷酸铁锂电池正极材料中回收铁和锂的方法 |
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