WO2022198343A1 - Sistema para la producción de hidróxido de litio (lioh) directamente a partir de cloruro de litio (licl), sin necesidad de una producción intermedia de carbonato de litio o similar - Google Patents
Sistema para la producción de hidróxido de litio (lioh) directamente a partir de cloruro de litio (licl), sin necesidad de una producción intermedia de carbonato de litio o similar Download PDFInfo
- Publication number
- WO2022198343A1 WO2022198343A1 PCT/CL2021/050016 CL2021050016W WO2022198343A1 WO 2022198343 A1 WO2022198343 A1 WO 2022198343A1 CL 2021050016 W CL2021050016 W CL 2021050016W WO 2022198343 A1 WO2022198343 A1 WO 2022198343A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lioh
- production
- equipment
- lithium
- nacl
- Prior art date
Links
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 title claims abstract description 173
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 title claims abstract description 85
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 53
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 title claims abstract description 12
- 229910052808 lithium carbonate Inorganic materials 0.000 title claims abstract description 12
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 72
- 239000011780 sodium chloride Substances 0.000 claims abstract description 35
- 238000002425 crystallisation Methods 0.000 claims abstract description 21
- 230000008025 crystallization Effects 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 16
- 239000000243 solution Substances 0.000 claims description 15
- 239000013078 crystal Substances 0.000 claims description 14
- 238000001704 evaporation Methods 0.000 claims description 12
- 230000008020 evaporation Effects 0.000 claims description 12
- 239000012267 brine Substances 0.000 claims description 7
- 238000004090 dissolution Methods 0.000 claims description 7
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 7
- 238000009993 causticizing Methods 0.000 claims description 6
- GLXDVVHUTZTUQK-UHFFFAOYSA-M lithium hydroxide monohydrate Substances [Li+].O.[OH-] GLXDVVHUTZTUQK-UHFFFAOYSA-M 0.000 abstract description 5
- PQVSTLUFSYVLTO-UHFFFAOYSA-N ethyl n-ethoxycarbonylcarbamate Chemical compound CCOC(=O)NC(=O)OCC PQVSTLUFSYVLTO-UHFFFAOYSA-N 0.000 abstract description 4
- 229940040692 lithium hydroxide monohydrate Drugs 0.000 abstract description 4
- 239000006227 byproduct Substances 0.000 abstract description 2
- 229910052744 lithium Inorganic materials 0.000 description 20
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 19
- 238000005342 ion exchange Methods 0.000 description 15
- 229910001868 water Inorganic materials 0.000 description 14
- 239000012452 mother liquor Substances 0.000 description 11
- 238000005868 electrolysis reaction Methods 0.000 description 10
- 239000002245 particle Substances 0.000 description 9
- 239000012141 concentrate Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229910003002 lithium salt Inorganic materials 0.000 description 5
- 159000000002 lithium salts Chemical class 0.000 description 5
- 238000001223 reverse osmosis Methods 0.000 description 5
- 238000000909 electrodialysis Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- -1 hydrogen ions Chemical class 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000004811 fluoropolymer Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000001640 fractional crystallisation Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000012777 commercial manufacturing Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001477 hydrophilic polymer Polymers 0.000 description 1
- 229920001600 hydrophobic polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 150000002642 lithium compounds Chemical class 0.000 description 1
- INHCSSUBVCNVSK-UHFFFAOYSA-L lithium sulfate Inorganic materials [Li+].[Li+].[O-]S([O-])(=O)=O INHCSSUBVCNVSK-UHFFFAOYSA-L 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- RBTVSNLYYIMMKS-UHFFFAOYSA-N tert-butyl 3-aminoazetidine-1-carboxylate;hydrochloride Chemical compound Cl.CC(C)(C)OC(=O)N1CC(N)C1 RBTVSNLYYIMMKS-UHFFFAOYSA-N 0.000 description 1
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
-
- 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
Definitions
- TITLE SYSTEM FOR THE PRODUCTION OF LITHIUM HYDROXIDE (LIOH) DIRECTLY FROM LITHIUM CHLORIDE (LICL), WITHOUT THE NEED FOR AN INTERMEDIATE PRODUCTION OF LITHIUM CARBONATE OR
- This invention patent application is directed to a system 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 is directed to a system comprising the necessary equipment for the direct production of lithium hydroxide from lithium chloride.
- the system comprises main interconnected sub-systems, a high-purity U0H.H20 production sub-system, which includes conversion and crystallization units, and a NaCl production sub-system that includes NaCl causticization and crystallization units, all of which allow obtaining lithium hydroxide monohydrate of high purity and sodium chloride as a by-product of the system.
- lithium hydroxide which is mainly used in the production of lubricating greases capable of operating under extreme conditions of temperature and load. About 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 lightweight and low coefficient of thermal expansion. These qualities favor that it has multiple applications in the industrial sector and especially in the field of batteries, given the current technological trend.
- the significant growth projected for electric cars that use rechargeable batteries as an energy source 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 solution in lithium chloride (LiCI). This lithium-rich solution is then processed to produce lithium carbonate or lithium hydroxide.
- the main lithium compounds marketed and produced are lithium carbonate (U2C03), lithium hydroxide monohydrate (U0H.H20) and lithium chloride (LiCI), with carbonate accounting for the largest production .
- LiOH lithium hydroxide
- LiC Lithium Chloride
- patent publication US10648090 describes a system integrated to generate a lithium salt from a liquid resource, comprising:
- step (d) optionally providing a first crystallizer for treating said lithium eluate from step (c) with a precipitant to precipitate said lithium salt and create a residual eluate;
- electrolysis system in fluid communication with said ion exchange unit or in fluid communication with said first crystallizer, wherein said electrolysis system comprises (A) one or more electrochemically reducing electrodes, (B) one or more electrochemically oxidizing electrodes, and (C) one or more ion-conducting membranes;
- step (i) subjecting said lithium eluate of step (c) in said electrolysis system of step (e) to an electrical current, wherein said electrical current causes electrolysis of said lithium eluate of step (c) to produce a acidified solution and a lithium salt solution, or
- step (ii) subjecting said residual eluate of step (d) to said electrolysis system of step (e) to an electrical current, wherein said electrical current causes electrolysis of said residual eluate to produce an acidified solution and a basified solution;
- step (g) optionally providing a second crystallizer to crystallize said lithium salt solution from step (i) to form said lithium salt; wherein said ion exchange particles comprise coated ion exchange particles and said coated ion exchange particles comprise an ion exchange material and a coating material comprising a chloro-polymer, a fluoro-polymer, a chloro-fluoro-polymer, a hydrophilic polymer, a hydrophobic polymer, copolymers thereof, mixtures thereof, or combinations thereof.
- publication RU2016103702 describes a facility for obtaining high-purity monohydrate lithium hydroxide from natural brines containing lithium, which includes a device for obtaining primary lithium concentrate, connected by pipes and accessories with a natural brine source, a mother brine receiver, a primary lithium concentrate collection vessel and a fresh water source; a electrolysis unit containing a membrane electrolyser with a power supply; catholyte and anolyte tanks; catholyte and anolyte circulation pumps; gas separators for cathodic hydrogen and anodic chlorine; an evaporation unit to evaporate the lithium hydroxide solution and separate the U0H.H20 crystals, including an evaporator, a crystallizer, a condenser for condensate vapor, a centrifuge to separate the L ⁇ 0H-H20 crystals from the mother liquor , a pump to supply catholyte for evaporation; an evaporator for concentrating a lithium chloride solution purified from
- the system of the invention does not carry out concentration processes such as electrodialysis, or reverse osmosis, nor electrochemical processes, such as electrolysis for the conversion of LiCI into LiOH. Therefore, it is possible to have a system that operates under completely different principles of LiOH formation and its conversion from LiCI, based on the concept of fractional crystallization.
- the Conversion stage from LiCI to LiOH the conversion occurs by chemical reaction of LiCl with NaOH and its separation occurs by fractional crystallization.
- the document RU2016103702 they use an electrochemical method where the process is carried out by applying a current to an electrochemical system that uses a separating membrane of cations and anions
- FIGURES Figure 1 represents an isometric view of the general system of the invention, where all the equipment that makes up the system for the direct production of LiOH from LiCI is shown.
- Figure 2 represents an isometric view of a preferred embodiment of the system of the invention in which the high purity L ⁇ 0H.H20 production sub-system is composed of at least two crude LiOH crystallizers and at least one LiOH crystallizer of high purity.
- Figure 3 corresponds to an isometric view and shows the high purity LiOH production sub-system
- Figure 4 represents an isometric view of a preferred embodiment of the system of the invention in which the NaCl production sub-system is illustrated, comprising an evaporation or water removal system and at least one NaCL crystallizer.
- Each sub system can include a purge for the benefit of the quality of the final product.
- the system for the production of lithium hydroxide (LiOH) directly from lithium chloride (LiCI), without the need for an intermediate production of lithium carbonate or similar, is made up of two sub-systems, a sub-system for the production of High purity LiOH and a NaCl production sub-system.
- the system comprises a LiCI brine tank (1) and a mother liquor tank from the NaCI sub-system (2), which are connected to the high purity LiOH production sub-system, which in turn This time comprises a conversion kit (3) from LiCl to crude LiOH.
- the conversion unit (3) is a crystallizer unit that generates a stream of crude LiOH.
- the conversion unit (3) is connected to a solid-liquid separation unit (4) from which two streams are generated: a liquid solution (LM1) corresponding to a mother liquor 1 that is fed from the solid separation unit - centrifugation liquid (4) to a reception tank (9) of mother liquor 1 at the entrance of the NaCl production sub-system; and a second stream corresponding to crude LiOH crystals that is fed from the same solid-liquid separation equipment (4) to a crude LiOH dissolution tank (5).
- Equipment (4) can be, for example, a centrifugal equipment.
- This dissolution tank (5) is connected to at least one crystallizer unit (6) where high purity LiOH is produced.
- the tank (A) provides the necessary water to the dissolution tank (5) to dissolve crude LiOH.
- the U0H.H20 crystallizer equipment is connected to a second solid-liquid separation equipment (7) that has two outlets from which two products are generated: one outlet with a solid stream of high purity U0H.H20 crystals that is sent to a crystal drying unit (8) ; and another outlet with a liquid stream with pure LiOH liquor that can be fed to the crude LiOH dissolution tank (5), as well as to the conversion equipment (3).
- the NaCl production sub-system is made up of said receiving tank (9) for mother liquor 1 and a NaOH tank (16), in which both tanks are in turn connected to causticizing equipment (10), the which is connected to a system for evaporation or removal of water from the fed solution, and a NaCl crystallizer unit (17).
- Two outputs are generated from the latter, one corresponds to NaCI liquor that is connected to the NaCI liquor tank (13), this NaCI liquor being the mother liquor 2 (LM2) that is fed to the LM2 tank; and the other output corresponds to a NaCl pulp that is connected to a third solid-liquid separation equipment (11) from where the NaCl crystals are separated and stored in the NaCl crystal unit (12).
- the NaCI or LM2 liquor tank (13) is connected to the initial NaCI liquor tank (2), thus leaving both sub-systems, the one for the production of high purity LiOH and the one for the production of NaCl, connected by means of of the mother liquor 1 and mother liquor 2 circuits, generating a circular system that allows the production of high purity UOH.H2O directly from LiCI brines, without co-precipitation of NaCI.
- the high purity UOH.H2O production sub-system comprises at least two crude LiOH crystallization equipment (21 and 22).
- the LiOH crystallization ponds may be arranged in series (as illustrated in Figure 2).
- the crystallization equipment (22) is connected to the centrifugation equipment (4) from which the output of mother liquor 1 (LM1) is connected to the tank (9) for receiving said LM1.
- the high purity LiOH production sub-system also comprises at least one high purity LiOH crystallization equipment (23).
- the crystallization equipment (23) is connected to a solid-liquid separation equipment (7) from which two outputs are generated, one corresponds to the high purity LiOH liquor output that goes to the tank (14), the which is connected to the dissolution tank (5) and to the conversion equipment (3); and the other outlet corresponds to the high purity UOH.H2O crystals, which is connected to the crystal drying unit (8).
- the NaCl production sub-system comprises multiple evaporator units and a crystallizer unit as illustrated in Figure 4.
- the NaCl crystallization sub-system comprises evaporator and crystallizer equipment (17), (18) and (19) connected in series, where the causticizing equipment (10) - which in turn is connected to the reception tank (9) of the mother liquor 1 (LM1 ) and to the NaOH tank (16) that feed the equipment causticizing unit (10) - is connected to the NaCl evaporation and crystallization system that starts with unit (17).
- the last equipment of the NaCl evaporation and crystallization system (19) is connected to a solid-liquid separation equipment (21) from which a solid stream leaves that goes to the NaCI crystal storage equipment. (12), since the NaCl liquor outlet of the solid-liquid separation equipment (21) can be directly connected to the NaCl liquor tank (13) and from there directly feed the mother liquor 2 (LM2) to the tank of NaCl liquor (2) at the beginning of the system.
- the evaporation and crystallization unit (17) has an inlet from a steam generator (V). The cycle is closed with the exit of steam from the crystallizing evaporator unit (19) through the outlet (S).
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Inorganic Compounds Of Heavy Metals (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 |
---|---|---|---|
US18/283,388 US20240174527A1 (en) | 2021-03-22 | 2021-03-20 | System for the production of lithium hydroxide (lioh) directly from lithium chloride (lici), without the need for the intermediate production of lithium carbonate or the like |
PCT/CL2021/050016 WO2022198343A1 (es) | 2021-03-22 | 2021-03-22 | Sistema para la producción de hidróxido de litio (lioh) directamente a partir de cloruro de litio (licl), sin necesidad de una producción intermedia de carbonato de litio o similar |
EP21931978.7A EP4316632A1 (en) | 2021-03-22 | 2021-03-22 | System for the production of lithium hydroxide (lioh) directly from lithium chloride (lici), without the need for the intermediate production of lithium carbonate or the like |
CN202180097724.0A CN117917967A (zh) | 2021-03-22 | 2021-03-22 | 直接由氯化锂(LiCl)生产氢氧化锂(LiOH)而不需要中间生产碳酸锂等的系统 |
CA3213084A CA3213084A1 (en) | 2021-03-22 | 2021-03-22 | System for the production of lithium hydroxide (lioh) directly from lithium chloride (lici), without the need for the intermediate production of lithium carbonate or the like |
AU2021435424A AU2021435424A1 (en) | 2021-03-22 | 2021-03-22 | System for the production of lithium hydroxide (lioh) directly from lithium chloride (lici), without the need for the intermediate production of lithium carbonate or the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CL2021/050016 WO2022198343A1 (es) | 2021-03-22 | 2021-03-22 | Sistema para la producción de hidróxido de litio (lioh) directamente a partir de cloruro de litio (licl), sin necesidad de una producción intermedia de carbonato de litio o similar |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022198343A1 true WO2022198343A1 (es) | 2022-09-29 |
Family
ID=83394973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CL2021/050016 WO2022198343A1 (es) | 2021-03-22 | 2021-03-22 | Sistema para la producción de hidróxido de litio (lioh) directamente a partir de cloruro de litio (licl), sin necesidad de una producción intermedia de carbonato de litio o similar |
Country Status (6)
Country | Link |
---|---|
US (1) | US20240174527A1 (es) |
EP (1) | EP4316632A1 (es) |
CN (1) | CN117917967A (es) |
AU (1) | AU2021435424A1 (es) |
CA (1) | CA3213084A1 (es) |
WO (1) | WO2022198343A1 (es) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4036713A (en) * | 1976-03-04 | 1977-07-19 | Foote Mineral Company | Process for the production of high purity lithium hydroxide |
US20110044882A1 (en) * | 2008-04-22 | 2011-02-24 | David Buckley | Method of making high purity lithium hydroxide and hydrochloric acid |
US20150086452A1 (en) * | 2013-07-09 | 2015-03-26 | John Hugh Worsley | Process for manufacture of sodium hydroxide and sodium chloride products from waste brine |
RU2016103702A (ru) | 2016-02-04 | 2017-08-10 | Общество с ограниченной ответственностью "Экостар-Наутех" (ООО) "Экостар-Наутех" | Способ получения моногидрата гидроксида лития из рассолов и установка для его осуществления |
US20170233261A1 (en) * | 2014-11-05 | 2017-08-17 | Reed Advanced Materials Pty Ltd | Production of lithium hydroxide |
US20180111840A1 (en) * | 2016-10-25 | 2018-04-26 | Malvi Technologies, Llc | Methods and equipment to make lithium hydroxide monohydrate from lithium salts |
US10648090B2 (en) | 2018-02-17 | 2020-05-12 | Lilac Solutions, Inc. | Integrated system for lithium extraction and conversion |
US20210087697A1 (en) * | 2019-09-25 | 2021-03-25 | Ecostar-Nautech Co., Ltd. | Method for producing lithium hydroxide monohydrate from brines |
-
2021
- 2021-03-20 US US18/283,388 patent/US20240174527A1/en active Pending
- 2021-03-22 CN CN202180097724.0A patent/CN117917967A/zh active Pending
- 2021-03-22 EP EP21931978.7A patent/EP4316632A1/en active Pending
- 2021-03-22 CA CA3213084A patent/CA3213084A1/en active Pending
- 2021-03-22 AU AU2021435424A patent/AU2021435424A1/en active Pending
- 2021-03-22 WO PCT/CL2021/050016 patent/WO2022198343A1/es active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4036713A (en) * | 1976-03-04 | 1977-07-19 | Foote Mineral Company | Process for the production of high purity lithium hydroxide |
US20110044882A1 (en) * | 2008-04-22 | 2011-02-24 | David Buckley | Method of making high purity lithium hydroxide and hydrochloric acid |
US20150086452A1 (en) * | 2013-07-09 | 2015-03-26 | John Hugh Worsley | Process for manufacture of sodium hydroxide and sodium chloride products from waste brine |
US20170233261A1 (en) * | 2014-11-05 | 2017-08-17 | Reed Advanced Materials Pty Ltd | Production of lithium hydroxide |
RU2016103702A (ru) | 2016-02-04 | 2017-08-10 | Общество с ограниченной ответственностью "Экостар-Наутех" (ООО) "Экостар-Наутех" | Способ получения моногидрата гидроксида лития из рассолов и установка для его осуществления |
US20180111840A1 (en) * | 2016-10-25 | 2018-04-26 | Malvi Technologies, Llc | Methods and equipment to make lithium hydroxide monohydrate from lithium salts |
US10648090B2 (en) | 2018-02-17 | 2020-05-12 | Lilac Solutions, Inc. | Integrated system for lithium extraction and conversion |
US20210087697A1 (en) * | 2019-09-25 | 2021-03-25 | Ecostar-Nautech Co., Ltd. | Method for producing lithium hydroxide monohydrate from brines |
Also Published As
Publication number | Publication date |
---|---|
EP4316632A1 (en) | 2024-02-07 |
US20240174527A1 (en) | 2024-05-30 |
AU2021435424A1 (en) | 2023-10-05 |
CN117917967A (zh) | 2024-04-23 |
CA3213084A1 (en) | 2022-09-29 |
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