WO2022147632A1 - Método para la producción de hidróxido de litio (lioh) directamente a partir de cloruro de litio (lici), sin necesidad de una producción intermedia de carbonato de litio o similar - Google Patents
Método para la producción de hidróxido de litio (lioh) directamente a partir de cloruro de litio (lici), sin necesidad de una producción intermedia de carbonato de litio o similar Download PDFInfo
- Publication number
- WO2022147632A1 WO2022147632A1 PCT/CL2021/050003 CL2021050003W WO2022147632A1 WO 2022147632 A1 WO2022147632 A1 WO 2022147632A1 CL 2021050003 W CL2021050003 W CL 2021050003W WO 2022147632 A1 WO2022147632 A1 WO 2022147632A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lithium
- lioh
- production
- lithium hydroxide
- crystallization
- 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.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D15/00—Lithium compounds
- C01D15/02—Oxides; Hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
- B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0018—Evaporation of components of the mixture to be separated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/004—Fractional crystallisation; Fractionating or rectifying columns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
- B01D9/0054—Use of anti-solvent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/04—Hydroxides
- C01D1/20—Preparation by reacting oxides or hydroxides with alkali metal salts
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/04—Hydroxides
- C01D1/28—Purification; Separation
- C01D1/30—Purification; Separation by crystallisation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/04—Chlorides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/04—Chlorides
- C01D3/06—Preparation by working up brines; seawater or spent lyes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D2009/0086—Processes or apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F2001/5218—Crystallization
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
Definitions
- the present invention patent application is directed to a method for the production of lithium hydroxide (LiOH) directly from lithium chloride (LiCI), without the need for an intermediate production of lithium carbonate or the like.
- the invention teaches a method of direct production of lithium hydroxide from lithium chloride that contemplates the conversion of LiCI to LiOH from a brine, to then crystallize the LiOH in order to obtain crude lithium hydroxide monohydrate (U0H .H20 crude) and subsequently subjected to a second crystallization to produce pure U0H.H20. Finally it is dried and packaged.
- lithium hydroxide which is mainly used in the production of lubricating greases capable of operating under extreme conditions of temperature and load. Approximately 70% of the lubricating greases produced in the world contain lithium. Lithium hydroxide is also used in batteries and dyes.
- Lithium is a metal with highly valued properties in the present, highlighting a high electrical conductivity, low viscosity, very light and
- the significant growth projected for electric cars that use rechargeable batteries as a source of energy has boosted the projected demand for lithium, taking into account the higher charge density of lithium-ion batteries and the fact that these have significantly decreased in value.
- lithium is usually extracted by pumping the brine to the surface to concentrate it in evaporation ponds in a series of solar ponds (conventional method), finally producing a concentrated lithium chloride (LiCI) solution. This lithium-rich solution is then processed to produce lithium carbonate or lithium hydroxide.
- LiCI lithium chloride
- the main lithium compounds marketed and produced are lithium carbonate (U2C03), lithium hydroxide (LiOH) and lithium chloride (LiCI), with carbonate accounting for the largest production.
- LiOH lithium hydroxide
- LiCI lithium chloride
- One of the advantages of lithium operations in salt flats is that the cost of pumping the brine, concentrating it in evaporation ponds and processing it in a plant to obtain lithium carbonate or hydroxide is less than extracting it from minerals. This last type of exploitation accounts for processes similar to rock mining that involves drilling, blasting, ore concentration and transportation.
- lithium hydroxide As far as lithium hydroxide (LiOH) is concerned, it is produced from Lithium Carbonate or Lithium Sulfate, and there are no various manufacturing alternatives based on Lithium Chloride (LiCI).
- a disadvantage of this process is having to absorb the cost of LC production in the cost of LiOH production and obtain a product with a higher carbon footprint.
- a disadvantage of this process is a higher production cost than the LC method and the generation of Na2SÜ4 that needs to be commercialized.
- RU2713360 describes the production of U0H-H20 from lithium-containing polycomponent hydromineral feedstock sources.
- the method involves filtration of lithium-containing brine contaminated with suspended particles with regeneration of filters and processing of spent regenerate and production of productive lithium-containing brine, extraction of lithium chloride brine in the form of primary concentrate in sorption-desorption modules, nanofiltration cleaning of primary lithium concentrate from magnesium, calcium and sulfate ions.
- Primary lithium concentrate by reverse osmosis, concentration by electrodialysis, reagent, ion exchange purification of impurities with subsequent thermal concentration is brought to productive lithium chloride concentrate, which by membrane electrolysis is converted into LiOH solution.
- the LiOH solution is evaporated and LiOH-hteO is crystallized.
- This solution eliminates the loss of lithium during production, makes it possible to produce concentrated hydrochloric acid and lithium carbonate by-products, higher production of commercial product with reduced operating costs, less solid production waste, and a broader range of lithium containing sources of raw material suitable for the production of LiOH-hteO.
- This document proposes the conversion of LiCI into LiOH through an electrochemical process, where by applying a voltage difference, the Lithium cation is separated from its Chlorine anion through passage through a selective membrane. Once the lithium is on the other side of the membrane, it reacts with OH ions and becomes LiOH. The Chlorine ion remains on the other side of the membrane, therefore, it does not mix with LiOH and there is no risk of co-precipitation.
- LiOH is formed by a chemical reaction between LiCl and NaOH, forming LiOH and NaCl, leaving both materials in contact once formed. Therefore, the present invention is based on the separation of these 2 compounds, avoiding the contamination of one with the other. This separation occurs due to the difference in concentrations of both materials that, depending on the solubility of each one, at a specific temperature allows their separation, without co-precipitation.
- Document CL2017-1123 describes a process for the production of lithium hydroxide comprising the steps of:
- step (3) The filtered solids from step (2) are passed to a heating step, in which anhydrous lithium hydroxide is produced;
- This application also describes a process for the treatment of lithium chloride, obtained from the brine or spodumene source, to produce a lithium hydroxide monohydrate product, wherein the process comprises the steps of: (i) Passing the obtained purified lithium chloride product through a source of brine or spodumene, to react with a solution of sodium hydroxide, thereby producing lithium hydroxide;
- stage (iv) The solids of stage (iv) are heated to approximately 500 Q C in a closed nitrogen atmosphere, thus melting the lithium hydroxide, which -in turn- is filtered through the use of, optionally, ceramic filters. ; Y
- the invention instead performs the separation by fractional crystallization where the range of operating temperatures, added to the difference in concentrations of the materials formed (NaCl and LiOH) and solubilities of both at the operating temperature allows the separation of NaCl and LiOH, both in the LiOH reaction/crystallization system and in the NaCl system.
- the production of LiOH from brine resources requires lithium carbonate (LC) as raw material, which is made from LiCI.
- LC lithium carbonate
- the invention proposes direct production of lithium hydroxide from LiCI, avoiding lithium carbonate as raw material. Advantages of the method:
- Figure 1 corresponds to a diagram of the method of the invention
- the method of the invention consists of a method for the production of lithium hydroxide monohydrate directly from lithium chloride brine by reaction with sodium hydroxide.
- the method contemplates the following steps: a) Conversion of LiCI to LiOH. From a brine with Li content between 1% and 4% by weight, Li/Na ratio between 2 and 30, LiOH is produced by reaction with a caustic solution (mother liquor or LM2) containing LiOH, NaOH and other ions , coming from stage f of the process. This stream has a temperature between 80°C and 120°C. b) Crystallization from LiOH.
- the LiOH formed in step a) is subjected to a fractional crystallization process that occurs in a temperature range between 20°C and 60°C, and in a NaOH concentration range between 10.5% by weight to 0, 1% by weight.
- the mother liquor produced, LM1 (liquid separated from the pulp) is sent to stage d). LiOH crystallization occurs by cooling because the mother liquor from stage f) is in a range between 80 Q C and 120 Q C. c) Recrystallization.
- the crude monohydrated lithium hydroxide produced in stage b) is dissolved in water and subjected to a second crystallization in order to eliminate remaining impurities in the product. This crystallization occurs at a range between 20 Q C and 120 ° C.
- the product of this stage is lithium hydroxide monohydrate of high purity, which is sent to later stages of drying and packaging, being ready for commercialization.
- the mother liquor (LM1) from Stage b) is reacted with a NaOH solution and then fed to stage e).
- e) crystallization of NaCl is
- the mixture of LM1 and NaOH from stage d is subjected to a fractional crystallization stage in a temperature range between 80°C and 120°C, where NaCl is separated from LiOH by crystallization and solid NaCl is obtained without coprecipitation of Hydroxide. of lithium.
- This crystallization step comprises the evaporation of part of the water contained in the mixture of LM1 and NaOH solution.
- NaCl and LM2 separation NaCl and LM2 separation.
- the solid-liquid mixture formed in stage e) is subjected to a separation process where a Mother Liquor 2 (LM2) is generated, which is separated from the sodium chloride crystals (NaCl).
- the LM2 is sent to step a) as a hydroxide source and the NaCl is ready for final disposal.
- the liquid that is separated from the pulp in the LiOH crystallization stage corresponds to the Mother Liquor 1 (LM1), which has the following characteristics:
- the impurities tend to concentrate, for which a purge of the mother liquor can be carried out in order to reduce the accumulation of impurities and thus avoid impurities in the final product.
- the Mother Liquor 2 (LM2) that is generated in stage f) of NaCl crystallization, where LM2 is generated by separating the NaCl crystals from the liquid and that is sent to stage a) as a hydroxide source has the following characteristics:
- NaCI 14% to 20% •
- other compounds such as LiCI, KCI, compounds of Mg, Ca, Boron, H20 and others contained in raw materials During stage e) of crystallization of NaCl or during stage f) of separation of NaCl from LM2, it is also possible to carry out a purge to avoid the accumulation of impurities in the final product.
- the method comprises that, in a preferred embodiment, the stages a) conversion of LiCI to LiOH and b) crystallization of LiOH, are carried out simultaneously, that is, in a single stage where the chemical reaction of the conversion occurs from LiCI to LiOH and the LiOH crystallization phenomenon, which occur in a single reactor simultaneously.
- steps d) of causticization and e) of crystallization of NaCl occur simultaneously, that is, causticization and crystallization in a single reactor.
- the purity of the lithium hydroxide monohydrate and sodium chloride crystals increased with time as the run progressed and less mother liquor was retained in the crystals.
- the amount of mother liquor retained in lithium hydroxide monohydrate crystals decreased from 25% to 7.9% and from 7.6% to 4.2% in sodium chloride crystals.
- the causticization stage contemplates the mother liquor (LM1) from Stage b) is reacted with a NaOH solution, preferably at 50% by weight, it is also plausible to carry out the causticization with a NaOH solution at different concentrations. .
- sodium chloride crystallization test it was carried out at 100 °C and an excess concentration of NaOH between 3% and 10%. At the beginning of the test, an excess of solids of U0H.H20 and NaCl were added to ensure that the liquor was saturated. Each solubility point varied the amount of NaOH and was allowed to mix for 45 min before sample collection. The five mother liquor samples were chemically analyzed and the results are shown in the following table: A second sodium chloride crystallization test at 100 QC was carried out. At the start of the run, excess solids of U0H.H20 and NaCl were added to ensure the feed was saturated. Each solubility point varied in the amount of NaOH and was allowed to mix for 45 min before sample collection. The five mother liquor samples were chemically analyzed and the results are shown in the following table:
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
Claims
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP21916690.7A EP4286335A4 (en) | 2021-01-05 | 2021-01-05 | PROCESS FOR PRODUCING LITHIUM (LIOH) DIRECTLY FROM LITHIUM CHLORIDE (LICL), WITHOUT REQUIRING INTERMEDIATE PRODUCTION OF LITHIUM CARBONATE OR THE LIKE |
| US18/270,791 US20240051837A1 (en) | 2021-01-05 | 2021-01-05 | Method for the production of lithium hydroxide (lioh) directly from lithium chloride (lici), without the need for an intermediate production of lithium carbonate or similar |
| CN202180093721.XA CN116888075A (zh) | 2021-01-05 | 2021-01-05 | 由氯化锂(LiCl)直接生产氢氧化锂(LiOH)的方法,不需要中间生产碳酸锂或类似物 |
| CA3204124A CA3204124A1 (en) | 2021-01-05 | 2021-01-05 | Method for the production of lithium hydroxide (lioh) directly from lithium chloride (lici), without the need for an intermediate production of lithium carbonate or similar |
| PCT/CL2021/050003 WO2022147632A1 (es) | 2021-01-05 | 2021-01-05 | Método para la producción de hidróxido de litio (lioh) directamente a partir de cloruro de litio (lici), sin necesidad de una producción intermedia de carbonato de litio o similar |
| AU2021417988A AU2021417988A1 (en) | 2021-01-05 | 2021-01-05 | Method for the production of lithium hydroxide (lioh) directly from lithium chloride (lici), without the need for an intermediate production of lithium carbonate or similar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CL2021/050003 WO2022147632A1 (es) | 2021-01-05 | 2021-01-05 | Método para la producción de hidróxido de litio (lioh) directamente a partir de cloruro de litio (lici), sin necesidad de una producción intermedia de carbonato de litio o similar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2022147632A1 true WO2022147632A1 (es) | 2022-07-14 |
Family
ID=82356991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CL2021/050003 Ceased WO2022147632A1 (es) | 2021-01-05 | 2021-01-05 | Método para la producción de hidróxido de litio (lioh) directamente a partir de cloruro de litio (lici), sin necesidad de una producción intermedia de carbonato de litio o similar |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20240051837A1 (es) |
| EP (1) | EP4286335A4 (es) |
| CN (1) | CN116888075A (es) |
| AU (1) | AU2021417988A1 (es) |
| CA (1) | CA3204124A1 (es) |
| WO (1) | WO2022147632A1 (es) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115215357A (zh) * | 2022-07-22 | 2022-10-21 | 江苏容汇通用锂业股份有限公司 | 一种由粗品硫酸锂制备电池级单水氢氧化锂的方法 |
| US11708278B2 (en) | 2021-08-06 | 2023-07-25 | Lithium Ark Holding B.V. | Production of lithium hydroxide and lithium carbonate |
| WO2025036769A1 (en) | 2023-08-11 | 2025-02-20 | Nobian Chemicals Bv | Process for producing lithium hydroxide monohydrate |
| WO2025058985A1 (en) * | 2023-09-11 | 2025-03-20 | Kellogg Brown & Root Gmbh | Process to produce battery grade lithium hydroxide monohydrate with low content of carbonate |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025206978A1 (ru) * | 2024-03-29 | 2025-10-02 | Общество с ограниченной ответственностью "ИРКУТСКАЯ НЕФТЯНАЯ КОМПАНИЯ" | Способ получения моногидрата гидроксида лития |
| CN118479502B (zh) * | 2024-06-04 | 2025-11-07 | 江西云威新材料股份有限公司 | 基于苛化法从低品位粗碳酸锂中制备电池级碳酸锂的方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110044882A1 (en) * | 2008-04-22 | 2011-02-24 | David Buckley | Method of making high purity lithium hydroxide and hydrochloric acid |
| US20170233261A1 (en) * | 2014-11-05 | 2017-08-17 | Reed Advanced Materials Pty Ltd | Production of lithium hydroxide |
| CN109592699A (zh) * | 2018-12-19 | 2019-04-09 | 中化河北有限公司 | 电池级氢氧化锂的制备方法 |
| RU2713360C2 (ru) | 2019-09-25 | 2020-02-04 | Общество с ограниченной ответственностью "Экостар-Наутех" | Способ получения моногидрата гидроксида лития из рассолов |
| CN111137908A (zh) * | 2019-12-27 | 2020-05-12 | 长沙市原鹏化工科技有限公司 | 一种从锂云母中提取含锂卤水及制造锂盐的系统方法 |
| WO2020162796A2 (ru) * | 2019-01-21 | 2020-08-13 | Акционерное общество "Ангарский электролизный химический комбинат" | Способ получения моногидрата гидроксида лития высокой степени чистоты |
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| JPS5532644B2 (es) * | 1972-09-11 | 1980-08-26 | ||
| DE19645315C1 (de) * | 1996-11-04 | 1998-04-16 | Metallgesellschaft Ag | Verfahren zur Abtrennung von NaCl aus einer LiCl-Lösung |
| US12168748B2 (en) * | 2009-04-24 | 2024-12-17 | Terralithium Llc | Treated geothermal brine compositions with reduced concentration of silica, iron and lithium |
| US8741256B1 (en) * | 2009-04-24 | 2014-06-03 | Simbol Inc. | Preparation of lithium carbonate from lithium chloride containing brines |
| US9034294B1 (en) * | 2009-04-24 | 2015-05-19 | Simbol, Inc. | Preparation of lithium carbonate from lithium chloride containing brines |
| JP2015182934A (ja) * | 2014-03-25 | 2015-10-22 | 日産化学工業株式会社 | フォルステライト微粒子の製造方法 |
| AU2015339757A1 (en) * | 2014-10-30 | 2017-04-27 | Albemarle Corporation | Sorbents for recovery of lithium values from brines |
| CN109516479B (zh) * | 2018-12-19 | 2021-10-08 | 中化国际新材料(河北)有限公司 | 电池级氢氧化锂的制备方法 |
| CN109650414B (zh) * | 2019-01-18 | 2020-01-14 | 成都开飞高能化学工业有限公司 | 高杂质锂源制备电池级、高纯级的氢氧化锂和碳酸锂的方法及系统 |
| EP4247759A1 (en) * | 2020-11-20 | 2023-09-27 | Lilac Solutions, Inc. | Lithium production with volatile acid |
-
2021
- 2021-01-05 EP EP21916690.7A patent/EP4286335A4/en not_active Withdrawn
- 2021-01-05 AU AU2021417988A patent/AU2021417988A1/en not_active Abandoned
- 2021-01-05 WO PCT/CL2021/050003 patent/WO2022147632A1/es not_active Ceased
- 2021-01-05 US US18/270,791 patent/US20240051837A1/en active Pending
- 2021-01-05 CN CN202180093721.XA patent/CN116888075A/zh active Pending
- 2021-01-05 CA CA3204124A patent/CA3204124A1/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110044882A1 (en) * | 2008-04-22 | 2011-02-24 | David Buckley | Method of making high purity lithium hydroxide and hydrochloric acid |
| US20170233261A1 (en) * | 2014-11-05 | 2017-08-17 | Reed Advanced Materials Pty Ltd | Production of lithium hydroxide |
| CN109592699A (zh) * | 2018-12-19 | 2019-04-09 | 中化河北有限公司 | 电池级氢氧化锂的制备方法 |
| WO2020162796A2 (ru) * | 2019-01-21 | 2020-08-13 | Акционерное общество "Ангарский электролизный химический комбинат" | Способ получения моногидрата гидроксида лития высокой степени чистоты |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11708278B2 (en) | 2021-08-06 | 2023-07-25 | Lithium Ark Holding B.V. | Production of lithium hydroxide and lithium carbonate |
| CN115215357A (zh) * | 2022-07-22 | 2022-10-21 | 江苏容汇通用锂业股份有限公司 | 一种由粗品硫酸锂制备电池级单水氢氧化锂的方法 |
| CN115215357B (zh) * | 2022-07-22 | 2023-11-24 | 江苏容汇通用锂业股份有限公司 | 一种由粗品硫酸锂制备电池级单水氢氧化锂的方法 |
| WO2025036769A1 (en) | 2023-08-11 | 2025-02-20 | Nobian Chemicals Bv | Process for producing lithium hydroxide monohydrate |
| WO2025058985A1 (en) * | 2023-09-11 | 2025-03-20 | Kellogg Brown & Root Gmbh | Process to produce battery grade lithium hydroxide monohydrate with low content of carbonate |
Also Published As
| Publication number | Publication date |
|---|---|
| CA3204124A1 (en) | 2022-07-14 |
| EP4286335A1 (en) | 2023-12-06 |
| US20240051837A1 (en) | 2024-02-15 |
| AU2021417988A1 (en) | 2023-07-27 |
| EP4286335A4 (en) | 2025-01-15 |
| AU2021417988A9 (en) | 2024-07-11 |
| CN116888075A (zh) | 2023-10-13 |
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