WO2023051728A1 - 从含锂溶液中回收锂的方法 - Google Patents
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- WO2023051728A1 WO2023051728A1 PCT/CN2022/122766 CN2022122766W WO2023051728A1 WO 2023051728 A1 WO2023051728 A1 WO 2023051728A1 CN 2022122766 W CN2022122766 W CN 2022122766W WO 2023051728 A1 WO2023051728 A1 WO 2023051728A1
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- lithium
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- containing solution
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 212
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 212
- 238000000034 method Methods 0.000 title claims abstract description 67
- 239000000706 filtrate Substances 0.000 claims abstract description 91
- 239000003463 adsorbent Substances 0.000 claims abstract description 54
- 239000002244 precipitate Substances 0.000 claims abstract description 44
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000006243 chemical reaction Methods 0.000 claims abstract description 42
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 238000001556 precipitation Methods 0.000 claims description 52
- 238000001914 filtration Methods 0.000 claims description 46
- 238000003756 stirring Methods 0.000 claims description 43
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 37
- 239000002253 acid Substances 0.000 claims description 31
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000005406 washing Methods 0.000 claims description 23
- 239000002245 particle Substances 0.000 claims description 21
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 18
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 11
- 238000001704 evaporation Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- 239000001569 carbon dioxide Substances 0.000 claims description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 6
- 229910001416 lithium ion Inorganic materials 0.000 claims description 6
- 229910017604 nitric acid Inorganic materials 0.000 claims description 6
- 230000001376 precipitating effect Effects 0.000 claims description 6
- 150000001450 anions Chemical class 0.000 claims description 5
- 230000002431 foraging effect Effects 0.000 claims description 3
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 abstract description 11
- 229910052808 lithium carbonate Inorganic materials 0.000 abstract description 11
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 238000009831 deintercalation Methods 0.000 abstract 1
- 230000008021 deposition Effects 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 153
- 230000008569 process Effects 0.000 description 29
- 238000011084 recovery Methods 0.000 description 28
- 238000001179 sorption measurement Methods 0.000 description 28
- 238000012360 testing method Methods 0.000 description 12
- 239000011734 sodium Substances 0.000 description 11
- 239000012535 impurity Substances 0.000 description 10
- 150000002500 ions Chemical class 0.000 description 10
- 230000032683 aging Effects 0.000 description 9
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 8
- 238000001035 drying Methods 0.000 description 8
- 239000010419 fine particle Substances 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 6
- 239000012267 brine Substances 0.000 description 5
- 229910003002 lithium salt Inorganic materials 0.000 description 5
- 159000000002 lithium salts Chemical class 0.000 description 5
- 239000000376 reactant Substances 0.000 description 5
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000002572 peristaltic effect Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000012266 salt solution Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- -1 Li + and CO 3 2- Chemical class 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000003828 vacuum filtration Methods 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229910017090 AlO 2 Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 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 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- WPUINVXKIPAAHK-UHFFFAOYSA-N aluminum;potassium;oxygen(2-) Chemical compound [O-2].[O-2].[Al+3].[K+] WPUINVXKIPAAHK-UHFFFAOYSA-N 0.000 description 1
- 125000005587 carbonate group Chemical group 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000003804 effect on potassium Effects 0.000 description 1
- 230000000674 effect on sodium Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- GCICAPWZNUIIDV-UHFFFAOYSA-N lithium magnesium Chemical compound [Li].[Mg] GCICAPWZNUIIDV-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 238000003918 potentiometric titration Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
- C22B26/10—Obtaining alkali metals
- C22B26/12—Obtaining lithium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
- C22B3/24—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition by adsorption on solid substances, e.g. by extraction with solid resins
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Description
Claims (15)
- 一种从含锂溶液中回收锂的方法,其特征在于,包括以下步骤:(1)按以下方式a)或b)将含锂溶液中的锂元素沉淀出来:a)调节含锂溶液的pH至5-6后再将该含锂溶液与偏铝酸盐溶液混合,静置陈化,得到含Li(OH)·2Al(OH) 3·nH 2O第一沉淀的沉淀液,其中,n=1~3;调节所述沉淀液的pH值至6-7,再经过滤、洗涤,得到Li aX·2Al(OH) 3·nH 2O沉淀及第一滤液;b)将含锂溶液与偏铝酸盐溶液混合后再调节体系pH至5-7,反应后静置陈化,经过滤、沉淀,得到Li aX·2Al(OH) 3·nH 2O沉淀及第一滤液;其中,X代表调节pH所用酸溶液的阴离子,a=1或2;(2)脱锂:将所述Li aX·2Al(OH) 3·nH 2O沉淀加入水中搅拌反应,过滤得到锂吸附剂(1-m)Li aX·2Al(OH) 3·nH 2O及含Li aX滤液,其中,m=0.1~0.9;以及(3)沉锂:将所述含Li aX滤液进行蒸发浓缩,加入碳酸盐进行搅拌反应,经过滤、洗涤,得到Li 2CO 3沉淀。
- 根据权利要求1所述的方法,其特征在于,所述方法还包括:将所述锂吸附剂加入到所述第一滤液中,在20℃-60℃下搅拌,以吸附所述第一滤液中的锂离子,经过滤、洗涤,得到含Li aX·2Al(OH) 3·nH 2O的第二沉淀;以及将所述第二沉淀进行所述脱锂,并将脱锂后的滤液进行所述沉锂。
- 根据权利要求2所述的方法,其特征在于,所述锂吸附剂与所述第一滤液的固液比为1:(1-30)kg/L。
- 根据权利要求2或3所述的方法,其特征在于,所述将所述第二沉淀进行所述脱锂包括:将所述第二沉淀加入水中搅拌反应,过滤得到(1-m)Li aX·2Al(OH) 3·nH 2O第二锂吸附剂及含Li aX第二滤液。
- 根据权利要求4所述的方法,其特征在于,所述方法还包括:将所述含Li aX第二滤液与所述含Li aX滤液混合,并且将混合后的所述含Li aX第二滤液与所述含Li aX滤液一起进行所述步骤(3)的沉锂。
- 根据权利要求1-5中任一项所述的方法,其特征在于,所述酸溶液为硫酸、盐酸、硝酸或乙酸中的一种。
- 根据权利要求1-6中任一项所述的方法,其特征在于,所述锂吸附剂的粒径D50为20μm-100μm。
- 根据权利要求1-7中任一项所述的方法,其特征在于,所述脱锂的条件包括:所述Li aX·2Al(OH) 3·nH 2O沉淀与水按1:(1-50)的质量比混合,在20℃-60℃下搅拌1h~24h。
- 根据权利要求1-8中任一项所述的方法,其特征在于,将所述含Li aX滤液蒸发浓缩至锂元素的浓度为15g/L-25g/L。
- 根据权利要求1-9中任一项所述的方法,其特征在于,所述步骤(3)中,将所述碳酸盐于50℃-90℃下加入到所述含Li aX滤液中。
- 根据权利要求1-10中任一项所述的方法,其特征在于,所述步骤(1)还包括:在调节pH时,收集含锂溶液产生的二氧化碳并将其通入碱液中,得到碳酸盐;其中,所述碱液为NaOH或KOH,所述碳酸盐为Na 2CO 3或K 2CO 3。
- 根据权利要求1-11中任一项所述的方法,其特征在于,所述步骤(1)中,将所述含锂溶液与所述偏铝酸盐溶液按照Li:Al为(1.05-1.3):2的摩尔比进行混合。
- 根据权利要求1-12中任一项所述的方法,其特征在于,所述步骤(3)中,所述含Li aX滤液中锂元素与所述碳酸盐中碳酸根的摩尔比为(1.05-1.3):2。
- 根据权利要求1-13中任一项所述的方法,其特征在于,所述步骤(3)中,在得到Li 2CO 3沉淀的同时,还得到第二滤液,所述方法还包括:将所述第二滤液加入所述含锂溶液中。
- 根据权利要求1-14中任一项所述的方法,其特征在于,所述过滤的条件包括:在真空负压为0.04MPa-0.07MPa下进行所述过滤,所述过滤采用的过滤介质的目数为300-5000目的过滤介质。
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AU2022355995A AU2022355995A1 (en) | 2021-09-30 | 2022-09-29 | Method for recovering lithium from lithium-containing solution |
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CN202111163658.0A CN115872421A (zh) | 2021-09-30 | 2021-09-30 | 一种从含锂溶液中回收锂的方法 |
CN202111163658.0 | 2021-09-30 |
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CN (1) | CN115872421A (zh) |
AR (1) | AR127096A1 (zh) |
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WO (1) | WO2023051728A1 (zh) |
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CN117000199B (zh) * | 2023-09-04 | 2024-04-12 | 四川泛宇锂能新材料科技有限公司 | 一种耐高硫酸根的双掺杂铝基锂吸附剂及其制备方法 |
Citations (6)
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WO2015097203A1 (fr) * | 2013-12-23 | 2015-07-02 | Eramet | Procede de preparation d'un materiau adsorbant mis en forme par precipitation de nitrate d'aluminium et d'aluminate de sodium et procede d'extraction de lithium utilisant ledit materiau |
CN106745102A (zh) * | 2017-01-17 | 2017-05-31 | 青海盐湖工业股份有限公司 | 一种碳酸锂的制备工艺 |
CN107930575A (zh) * | 2017-11-10 | 2018-04-20 | 江苏旌凯中科超导高技术有限公司 | 磁性铝基锂吸附剂及其制备方法 |
CN108543514A (zh) * | 2018-05-18 | 2018-09-18 | 习贵斌 | 一种铝盐吸附剂、制备方法以及盐湖卤水中锂的分离方法 |
CN108975358A (zh) * | 2018-09-14 | 2018-12-11 | 山东昌邑海能化学有限责任公司 | 离子膜电解法生产氢氧化锂的方法 |
CN112808226A (zh) * | 2020-12-18 | 2021-05-18 | 湖南邦普循环科技有限公司 | 一种铝基锂离子筛及其制备方法和应用 |
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2021
- 2021-09-30 CN CN202111163658.0A patent/CN115872421A/zh active Pending
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- 2022-07-19 US US17/868,564 patent/US20230097464A1/en active Pending
- 2022-09-19 AR ARP220102523A patent/AR127096A1/es unknown
- 2022-09-29 WO PCT/CN2022/122766 patent/WO2023051728A1/zh active Application Filing
- 2022-09-29 AU AU2022355995A patent/AU2022355995A1/en active Pending
Patent Citations (6)
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WO2015097203A1 (fr) * | 2013-12-23 | 2015-07-02 | Eramet | Procede de preparation d'un materiau adsorbant mis en forme par precipitation de nitrate d'aluminium et d'aluminate de sodium et procede d'extraction de lithium utilisant ledit materiau |
CN106745102A (zh) * | 2017-01-17 | 2017-05-31 | 青海盐湖工业股份有限公司 | 一种碳酸锂的制备工艺 |
CN107930575A (zh) * | 2017-11-10 | 2018-04-20 | 江苏旌凯中科超导高技术有限公司 | 磁性铝基锂吸附剂及其制备方法 |
CN108543514A (zh) * | 2018-05-18 | 2018-09-18 | 习贵斌 | 一种铝盐吸附剂、制备方法以及盐湖卤水中锂的分离方法 |
CN108975358A (zh) * | 2018-09-14 | 2018-12-11 | 山东昌邑海能化学有限责任公司 | 离子膜电解法生产氢氧化锂的方法 |
CN112808226A (zh) * | 2020-12-18 | 2021-05-18 | 湖南邦普循环科技有限公司 | 一种铝基锂离子筛及其制备方法和应用 |
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AU2022355995A1 (en) | 2024-01-18 |
CN115872421A (zh) | 2023-03-31 |
US20230097464A1 (en) | 2023-03-30 |
AR127096A1 (es) | 2023-12-20 |
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