Disclosed are systems and methods for adsorbing a metal from a solution. The systems include an inlet in fluid communication with an aqueous solution containing at least one metal, at least one impurity metal, or combinations thereof. The systems further include an adsorption unit containing an adsorbent and a mixing element, wherein the adsorbent is suitable to adsorb the at least one metal or the at least one impurity metal. Further disclosed are methods of adsorbing a metal from a solution by contacting an aqueous solution containing at least one metal, at least one impurity metal, or combinations thereof with an adsorbent while mixing to adsorb the at least one metal or the at least one impurity metal.
B01D 15/22 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the construction of the column
C02F 1/28 - Treatment of water, waste water, or sewage by sorption
C02F 1/68 - Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
2.
COMPOSITIONS, SYSTEMS AND METHODS FOR EXTRACTING ONE OR MORE METALS FROM A SOLUTION
Disclosed are reagent compositions containing at least one amide extractant capable of selectively extracting one or more metal, compounds thereof, salts thereof or combinations thereof, from an aqueous solution; and optionally at least one modifier and/or diluent. Further disclosed are methods of extracting one or more metals from an aqueous solution, including contacting the aqueous solution with a reagent composition as described above; and extracting the one or more metals, compounds thereof, salts thereof, or combinations thereof, from the aqueous solution into the reagent composition until reaching equilibrium to form a metal depleted aqueous phase and a metal rich organic phase.
B01D 11/04 - Solvent extraction of solutions which are liquid
C07C 235/02 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton
Disclosed are reagent compositions containing at least one urea extractant and at least one non-urea extractant each capable of selectively extracting one or more metal, compounds thereof, salts thereof or combinations thereof, from an aqueous solution; and optionally at least one modifier and/or diluent. Further disclosed are methods of extracting one or more metals from an aqueous solution, including contacting the aqueous solution with a reagent composition as described above; and extracting the one or more metals, compounds thereof, salts thereof, or combinations thereof, from the aqueous solution into the reagent composition until reaching equilibrium to form a metal depleted aqueous phase and a metal rich organic phase.
B01D 11/04 - Solvent extraction of solutions which are liquid
C07C 235/02 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton
Disclosed are reagent compositions containing at least one urea extractant capable of selectively extracting one or more metal, compounds thereof, salts thereof or combinations thereof, from an aqueous solution; and optionally at least one modifier and/or diluent. Further disclosed are methods of extracting one or more metals from an aqueous solution, including contacting the aqueous solution with a reagent composition as described above; and extracting the one or more metals, compounds thereof, salts thereof, or combinations thereof, from the aqueous solution into the reagent composition until reaching equilibrium to form a metal depleted aqueous phase and a metal rich organic phase.
B01D 11/04 - Solvent extraction of solutions which are liquid
C07C 235/02 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton
Method(s) and system(s) for the direct production of lithium and other metals from a brine solution containing salts of various metal cations at room temperature via a combined sorbent extraction and electrochemical extraction/plating process. This process uses a skeleton structure material that can reversibly insert/extract a desired metal cation to absorb the desired metal ions from a brine solution. The metal impregnated skeleton structure material is then transferred to an electrochemical cell where the metal ions are extracted from the structure and plated in the form of metal onto an electronically conductive substrate. This process is a combination of methods to take metal ions directly from a brine solution to produce an end-product of metal and is a significant improvement over current industrial processes that will reduce the energy required for metal production.
C25C 1/02 - Electrolytic production, recovery or refining of metals by electrolysis of solutions of light metals
B01J 20/02 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material
C22B 3/24 - Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means by adsorption on solid substances, e.g. by extraction with solid resins
06 - Common metals and ores; objects made of metal
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Metals, namely, lithium Treatment of materials in the nature of lithium production services from natural resources; Metal refining services, namely, lithium refining
Method(s) and apparatus for direct lithium extraction from brine solutions via a combined solvent extraction and electrowinning process. This process involves solvent extraction integrated with an electrodeposition of lithium metal from nonaqueous solutions to with the added feature of solvent regeneration. The direct lithium metal harvest from brines via a compatible solvent will reduce significantly operational and capital costs related to the current molten salt electrolysis methods for lithium metal production.
Disclosed is a method of forming an all-solid-state battery comprising: (a) forming a cathode electrode by depositing a uniform layer of a cathode composite material, wherein the cathode composite material comprises a cathode active material and a first binder on a first substrate, wherein the first binder is a polymeric material having a melting point equal to or less than about 70 °C; (b) forming an electrolyte layer by depositing a uniform layer of an electrolyte material comprising at least one electrolyte on the cathode electrode and (c) positioning an anode electrode on the electrolyte layer, wherein all methods steps are substantially solvent-free. Also disclosed are batteries formed by the described method.
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
H01M 50/46 - Separators, membranes or diaphragms characterised by their combination with electrodes
10.
NON-FLAMMABLE ELECTROLYTES AND BATTERIES COMPRISING THE SAME
Disclosed is an electrolyte comprising: an amount of a salt; a first solvent; and a second solvent, wherein the second solvent is a flame-resistant solvent and is present in an amount that is about 3 to about 20 mol times the amount of the salt; and wherein the electrolyte is substantially flame-resistant. Also disclosed are batteries comprising the disclosed herein electrolyte.
A method of making monovalent and multivalent anion selective membrane. Such membrane can be used for electrodialysis (“ED”) operation and applied towards the important Cl−—SO42− separation in lithium extraction. The membrane thickness is much less than 100 μm, preferably less than 50 μm, more preferably less than 40 μm, and most preferably 20-30 μm.
B01D 71/82 - Macromolecular material not specifically provided for in a single one of groups characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
The disclosed subject matter relates to lithium ion conductors and batteries (such as pseudo solid state and all solid state batteries), and methods of making and use thereof. Disclosed herein are lithium ion conductors comprising Li1+xNb1−xZrxOX4, wherein X is a halide; and 0≤x≤1. Also disclosed herein are methods of making and use of any of the lithium ion conductors (e.g., Formula I) disclosed herein. Also disclosed herein are devices comprising any of the lithium ion conductors disclosed herein (e.g., Formula I), such as a solid state battery.
The disclosed subject matter relates to solid state batteries, such as pseudo solid state and all solid state batteries, and methods of making and use thereof. The solid state batteries comprise: an interfacial layer; a halide solid state electrolyte layer; and a composite cathode. The halide solid state electrolyte layer is sandwiched between and in contact with the interfacial layer and the composite cathode. The interfacial layer, the halide solid state electrolyte layer, and the composite cathode each has an electrochemical stability window, and the electrochemical stability window of the interfacial layer overlaps with that of the halide solid state electrolyte layer. In some examples, the solid state batteries further comprise an anode disposed on the interfacial layer, wherein the electrochemical stability window of the interfacial layer overlaps with that of the halide solid state electrolyte layer and the anode.
The disclosed subject matter relates to solid state lithium ion conductors and batteries (such as pseudo solid state and all solid state batteries), and methods of making and use thereof. For example, disclosed herein are solid state lithium ion conductors comprising: Li3+2x+yzM [III+z]X6-x-yNxOy, wherein M is an alkali metal, an alkaline earth metal, a transition metal, a post transition metal, or a combination thereof; X is a halide; x is from 0 to 6; y is from 0 to 6; z is from -2 to 2; and [III+z] represents the valence of the M-ion(s); with the proviso that: M is not Li; 0 < x + y ≤ 6; and 0 < (3+2z+y-z) ≤ 6. Also disclosed herein are methods of making and use of any of the solid state lithium ion conductors disclosed herein, for example in devices such as a solid state battery.
A direct lithium extraction (DLE) process and system comprising ion exchange, ion adsorption, and solvent extraction or other methods to reduce downstream process steps which typically include nanofiltration, reverse osmosis, mechanical-thermal evaporation, and additional solvent extraction or other steps.
The present disclosure provides methods of improving the monovalent selectivity of the anion exchange membrane. When operating electrodialysis in a high salinity brine, the high salinity solution enables monovalent selective transport. The monovalent selectivity can significantly retard divalent anion transport, such as SO42—, and is particularly useful during lithium extractions from brines. Such selectivity can be utilized in many operation containing high concentration of salt solution such as sea salt extraction, lithium production, and the production of chloroalkanes.
Disclosed are systems and methods for recovering a metal from an aqueous solution. The systems may include an adsorption system having an adsorbent that is selective for a target metal. The adsorption system may include an inlet for an aqueous solution containing metals at least one of which is the target metal. Further described are raffinate compositions for use as an eluent to an adsorption process.
C22B 3/20 - Treatment or purification of solutions, e.g. obtained by leaching
C22B 3/26 - Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
C22B 3/38 - Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
18.
COMPOSITIONS, SYSTEMS AND METHODS FOR RECOVERING A METAL FROM AN AQUEOUS SOLUTION
Disclosed are compositions, systems and methods for recovering lithium ions from an aqueous solution containing one or more target metals (e.g., lithium). The methods can include removing impurities from the aqueous solution by contacting the solution with an adsorption material (e.g., in an adsorption system) to form a first processed metal solution. The composition may be an adsorption eluate suitable as a feed for a solvent extraction system to recover one or more target metals (e.g., lithium).
C22B 3/20 - Treatment or purification of solutions, e.g. obtained by leaching
C22B 3/26 - Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
C22B 3/38 - Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
19.
COMPOSITIONS AND METHODS FOR SOLID-STATE ELECTROCHEMICAL CELLS
Disclosed herein is a composition for an electrochemically stable and mechanically flexible polymer electrolyte for lithium-metal and Lithium-ion batteries and methods of making and integrating this polymer electrolyte into an all-solid-state battery. This polymer is designed to improve ionic conductivity by creating a multi-dimensional membrane with a uniform lithium salt distribution. This solid electrolyte is electrochemically stable during galvanostatic cycling with commercially relevant cathode materials and a lithium metal anode, allowing for higher energy densities to be achieved relative to current lithium-ion batteries. This electrolyte is produced with an easy and scalable manufacturing method that is amenable to roll-to-roll processing.
H01M 10/056 - Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
H01M 10/0561 - Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
Disclosed are methods of removing impurities (e.g., magnesium, calcium, or both) from an aqueous solution comprising lithium. The methods can include contacting the aqueous solution with a reagent composition that selectively extracts the impurities over the lithium; and forming an impurity depleted lithium aqueous solution and an impurity rich organic solution. Also disclosed are reagent compositions and related systems.
Disclosed are reagent compositions containing at least one lithium selective extractant such as a lithium selective extractant. The reagent compositions can also include at least one modifier to stabilize complexes formed between the lithium and the extractant. Also disclosed are methods and apparatus for extracting lithium from aqueous solutions using the reagent compositions.
Disclosed are methods of extracting lithium from an aqueous solution containing mixed salts. The methods include dissolving or heap leaching one or more mixed salts in an aqueous medium to form an aqueous mixed salt solution comprising lithium; contacting the aqueous mixed salt solution with a reagent composition; and extracting the lithium from the aqueous mixed salt solution to form a lithium depleted aqueous phase and a lithium enriched organic phase. Also disclosed are related lithium selective reagent compositions and systems.
Disclosed is a separator comprising: a substrate having a first surface and an opposite second surface; and a first ceramic layer disposed on at least the first surface of the substrate, wherein the separator exhibits an ionic conductivity of about 0.01 mS/cm to about 100 mS/cm when inserted in an electrolyte and wherein the separator is used in a rechargeable battery. Also disclosed are methods of making the same. Also disclosed herein are batteries comprising the same.
01 - Chemical and biological materials for industrial, scientific and agricultural use
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Lithium metal plating compositions for batteries (1) Mining of saltwater brine and other lithium-containing material with direct lithium extraction technologies; Mining of saltwater brine and other rare earth element or battery element-containing material for mineral extraction purposes
(2) Treatment, separation, and refinery of saltwater brine and other lithium-containing material with direct lithium extraction technologies; Treatment, refinery, and mining of saltwater brine and other rare earth elements or battery elements containing material for mineral extraction purposes
(3) Research and development in the field of lithium extraction and salt removal technologies; Research and development of energy storage renewable energy generation, recycling, and energy technology-related materials
25.
AN ION EXCHANGE MEMBRANE ENABLING MONOVALENT ANION AND MULTIVALENT ANION SEPARATION
NN-substituted imidazolium groups that may be used to separate polyvalent anions from monovalent anions in a metal solution. In particular, the present membranes may be used to separate sulfate out of a lithium brine solution in order to obtain a higher purity lithium sample.
Disclosed are solutions containing an effluent from a lithium extraction process and further including lithium ions, at least one organic extractant having a lithium ion selectivity, and an aqueous solvent. Also disclosed are methods and systems for treating solutions containing the effluent from a lithium extraction process.
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM (USA)
Inventor
Reimund, Kevin Kruschka
Lyndon, Richelle
Patwardhan, Amit
Egan, Teague
Freeman, Benny Dean
Abstract
Membrane materials and methods are disclosed for selectively separating or transporting ions in liquid media. In embodiments, the membranes comprise cellulose acetate polymer films having high cation, monovalent/divalent, and/or Li+/Mg2+ selectivity. Systems and methods for use of such membranes, including the direct extraction of lithium (DLE) from natural brines and other resources, also are disclosed.
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
This disclosure provides systems and methods for direct production of lithium hydroxide by utilizing cation selective, monovalent selective, or preferably lithium selective membranes. Lithium selective membranes possess high lithium selectivity over multivalent and other monovalent ions and thus prevent magnesium precipitation during electrodialysis (ED) and also address the presence of sodium in most naturally occurring brine or mineral based lithium production processes.
B01D 15/36 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
42 - Scientific, technological and industrial services, research and design
Goods & Services
Research and development in the field of lithium extraction and salt removal technologies; Research and development of energy storage renewable energy generation, recycling, and energy technology-related materials
30.
Systems and Methods for Recovering Lithium from Brines Field
Systems and methods using solar evaporation to preconcentrate lithium containing brines to at or near lithium saturation, followed by a separation process to separate lithium from impurities. A separated impurity stream is recycled to a point in the evaporation sequence where conditions are favorable for their precipitation and removal or disposed in a separate evaporation pond or reinjected underground, while a lower impurity stream is transferred to one or more of the removal location, to a subsequent pond in the sequence, or to a lithium plant or concentration facility. Further concentration of lithium by evaporation can then take place because impurities are removed, thus eliminating lithium losses due to co-precipitation and achieving significantly higher concentrations of lithium.
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM (USA)
Inventor
Lyndon, Richelle
Patwardhan, Amit
Affolter, Chris
Lillerud, Karl P.
Egan, Teague
Grundish, Nicholas Spencer
Reimund, Kevin Kruschka
Freeman, Benny Dean
Goodenough, John Bannister
Abstract
Lithiated metal organic frameworks, methods of manufacturing lithiated metal organic frameworks, for example, by binding a solvent molecule to the MOF structure to achieve a highly lithiated bound solvent metal organic framework having improved Li+-ion conductivity, and applications for use of the lithiated metal organic frameworks, for example, in various capacities in rechargeable lithium batteries.
A lithium-generating system can include a lithium-containing source feed, a hardness reduction unit, and a bipolar electrodialysis or electrolysis unit. The lithium-containing source feed can provide a lithium-containing material. The hardness reduction unit can be configured to receive the lithium-containing material and reduce the hardness thereof yet still be over 10 ppm upon processing by the hardness reduction unit. The bipolar electrodialysis unit can process the lithium-containing material and generate an aqueous LiOH product. The hardness reduction unit is configured to produce a hardness level within a given hardness-reduced lithium-containing material to be within an upper operational limit of at least one bipolar membrane, in addition to being at a given hardness level of over 10 ppm. The lithium-generating system can further include components to facilitate production of Li2CO3 and/or LiOH·H2O.
B01D 11/04 - Solvent extraction of solutions which are liquid
B01D 15/36 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
233)) with an affinity for lithium adsorption. In an embodiment, the functionalized membranes can be formed into a lithium-capture element, such as a candle filter, filter membrane, bag filter, cartridge filter, etc.
B01D 15/08 - Selective adsorption, e.g. chromatography
B01D 15/36 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
C22B 3/24 - Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means by adsorption on solid substances, e.g. by extraction with solid resins
B01D 39/16 - Other self-supporting filtering material of organic material, e.g. synthetic fibres
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B01D 15/02 - Separating processes involving the treatment of liquids with solid sorbentsApparatus therefor with moving adsorbents
37.
SYSTEMS AND METHODS FOR METAL PRODUCTION FROM BRINE SOLUTIONS
Method(s) and system(s) for the direct production of lithium and other metals from a brine solution containing salts of various metal cations at room temperature via a combined sorbent extraction and electrochemical extraction/plating process. This process uses a skeleton structure material that can reversibly insert/extract a desired metal cation to absorb the desired metal ions from a brine solution. The metal impregnated skeleton structure material is then transferred to an electrochemical cell where the metal ions are extracted from the structure and plated in the form of metal onto an electronically conductive substrate. This process is a combination of methods to take metal ions directly from a brine solution to produce an end-product of metal and is a significant improvement over current industrial processes that will reduce the energy required for metal production.
C22B 3/24 - Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means by adsorption on solid substances, e.g. by extraction with solid resins
C22B 3/42 - Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
B01J 20/02 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material
Method(s) and apparatus for direct lithium extraction from brine solutions via a combined solvent extraction and electrowinning process. This process involves solvent extraction integrated with an electrodeposition of lithium metal from nonaqueous solutions to with the added feature of solvent regeneration. The direct lithium metal harvest from brines via a compatible solvent will reduce significantly operational and capital costs related to the current molten salt electrolysis methods for lithium metal production.
Systems and methods using solar evaporation to preconcentrate lithium containing brines to at or near lithium saturation, followed by a separation processes to separate lithium from impurities. A separated impurity stream is recycled to a point in the evaporation sequence where conditions are favorable for their precipitation and removal or disposed in a separate evaporation pond or reinjected underground, while a lower impurity stream is transferred to one or more of the removal location, to a subsequent pond in the sequence, or to a lithium plant or concentration facility. Further concentration of lithium by evaporation can then take place because impurities are removed thus eliminating lithium losses due to co-precipitation and achieving significantly higher concentrations of lithium.
A direct lithium extraction (DLE) process and system comprising ion exchange, ion adsorption, and solvent extraction or other methods to reduce downstream process steps which typically include nanofiltration, reverse osmosis, mechanical-thermal evaporation, and additional solvent extraction or other steps.
44 2-, and is particularly useful during lithium extractions from brines. Such selectivity can be utilized in many operation containing high concentration of salt solution such as sea salt extraction, lithium production, and the production of chloroalkanes.
C02F 1/469 - Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
A method of making monovalent and multivalent anion selective membrane. Such membrane can be used for electrodialysis ("ED") operation and applied towards the important Cl-44 2- separation in lithium extraction. The membrane thickness is much less than 100 µm, preferably less than 50 µm, more preferably less than 40 µm, and most preferably 20-30 µm.
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM (USA)
Inventor
Reimund, Kevin, Kruschka
Lyndon, Richelle
Patwardhan, Amit
Egan, Teague
Freeman, Benny, Dean
Abstract
Membrane materials and methods are disclosed for selectively separating or transporting ions in liquid media. In embodiments, the membranes comprise cellulose acetate polymer films having high cation, monovalent/divalent, and/or Li+/Mg2+ selectivity. Systems and methods for use of such membranes, including the direct extraction of lithium (DLE) from natural brines and other resources, also are disclosed.
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
44.
SYSTEMS AND METHODS FOR DIRECT LITHIUM HYDROXIDE PRODUCTION
This disclosure provides systems and methods for direct production of lithium hydroxide by utilizing cation selective, monovalent selective, or preferably lithium selective membranes. Lithium selective membranes possess high lithium selectivity over multivalent and other monovalent ions and thus prevent magnesium precipitation during electrodialysis (ED) and also address the presence of sodium in most naturally occurring brine or mineral based lithium production processes.
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM (USA)
Inventor
Lyndon, Richelle
Patwardhan, Amit
Affolter, Chris
Lillerud, Karl, P.
Egan, Teague
Grundish, Nicholas, Spencer
Reimund, Kevin, Kruschka
Freeman, Benny, Dean
Goodenough, John, Bannister
Abstract
Lithiated metal organic frameworks, methods of manufacturing lithiated metal organic frameworks, for example, by binding a solvent molecule to the MOF structure to achieve a highly lithiated bound solvent metal organic framework having improved Li+-ion conductivity, and applications for use of the lithiated metal organic frameworks, for example, in various capacities in rechargeable lithium batteries.
Systems and methods using solar evaporation to preconcentrate lithium containing brines to at or near lithium saturation, followed by a separation processes to separate lithium from impurities. A separated impurity stream is recycled to a point in the evaporation sequence where conditions are favorable for their precipitation and removal or disposed in a separate evaporation pond or reinjected underground, while a lower impurity stream is transferred to one or more of the removal location, to a subsequent pond in the sequence, or to a lithium plant or concentration facility. Further concentration of lithium by evaporation can then take place because impurities are removed thus eliminating lithium losses due to co-precipitation and achieving significantly higher concentrations of lithium.
Systems and methods using solar evaporation to preconcentrate lithium containing brines to at or near lithium saturation, followed by a separation processes to separate lithium from impurities. A separated impurity stream is recycled to a point in the evaporation sequence where conditions are favorable for their precipitation and removal or disposed in a separate evaporation pond or reinjected underground, while a lower impurity stream is transferred to one or more of the removal location, to a subsequent pond in the sequence, or to a lithium plant or concentration facility. Further concentration of lithium by evaporation can then take place because impurities are removed thus eliminating lithium losses due to co-precipitation and achieving significantly higher concentrations of lithium.
01 - Chemical and biological materials for industrial, scientific and agricultural use
06 - Common metals and ores; objects made of metal
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
(Based on Intent to Use) Lithium extraction technologies, namely, membranes using nanotechnology, ion exchange technologies and process, absorption technologies and process, solvent extraction technologies and process and electrodialysis technologies and process for lithium extraction and separation; lithium chloride solution (Based on Intent to Use) Lithium metal litium coating and plating for batteries (Based on Intent to Use) Electric storage technologies; solid state batteries; lithium-ion batteries; and lithium extraction devices (Based on Intent to Use) Mining of salt water brine, and other lithium containing material with direct lithium extraction technologies; Mining of salt water brine, and other rare earth element or battery element containing material for mineral extraction purposes (Based on Use in Commerce) Treatment, separation, and refinery of salt water brine, and other lithium-containing material with direct lithium extraction technologies; Treatment, refinery, and mining of salt water brine and other rare earth elements or battery elements containing material for mineral extraction purposes (Based on Use in Commerce) Research and development of in the field of lithium extraction and salt removal technologies; Research and development of energy storage, renewable energy generation, recycling, and energy technology related materials
01 - Chemical and biological materials for industrial, scientific and agricultural use
06 - Common metals and ores; objects made of metal
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Lithium extraction technologies, namely, membrane using nanotechnology, ion exchange technologies and process, absorption technologies and process, solvent extractoin technologies and process; and electrodialysis technolgies and process for lithium extraction and separation; lithium chloride solution Lithium metal Litium coating and plating for batteries Electric storage technologies; solid state batteries; lithium-ion batteries and lithium extraction devices Mining of salt water brine, and other lithium containing material with direct lithium extraction technologies; Mining of salt water brine, and other rare earth element or battery element containing material for mineral extraction purposes Treatment, separation, and refinery of salt water brine, and other lithium-containing material with direct lithium extraction technologies; Treatment, refinery, and mining of salt water brine and other rare earth elements or battery elements containing material for mineral extraction purposes Research and development of in the field of lithium extraction and salt removal technologies; Research and development of energy storage renewable energy generation, recycling, and energy technology related materials
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Treatment, separation, and refining of salt water brine, and other lithium-containing material with direct lithium extraction technologies; Treatment, refining, and mining of salt water brine and other rare earth elements or battery elements containing material for mineral extraction purposes Research and development in the field of lithium extraction and salt removal technologies
51.
MONOVALENT SELECTIVE ANION EXCHANGE MEMBRANE FOR APPLICATION IN LITHIUM EXTRACTION FROM NATURAL SOURCES
A method of making monovalent and multivalent anion selective membrane. Such membrane can be used for electrodialysis ("ED") operation and applied towards the important Cl- - SO4 2- separation in lithium extraction. The membrane thickness is much less than 100 µm, preferably less than 50 µm, more preferably less than 40 µm, and most preferably 20-30 µm.
This disclosure provides systems and methods for direct production of lithium hydroxide by utilizing cation selective, monovalent selective, or preferably lithium selective membranes. Lithium selective membranes possess high lithium selectivity over multivalent and other monovalent ions and thus prevent magnesium precipitation during electrodialysis (ED) and also address the presence of sodium in most naturally occurring brine or mineral based lithium production processes.
A direct lithium extraction (DLE) process and system comprising ion exchange, ion adsorption, and solvent extraction or other methods to reduce downstream process steps which typically include nanofiltration, reverse osmosis, mechanical-thermal evaporation, and additional solvent extraction or other steps.
Abstract Systems and methods using solar evaporation to preconcentrate lithium containing brines to at or near lithium saturation, followed by a separation processes to separate lithium from impurities. A separated impurity stream is recycled to a point in the evaporation sequence where conditions are favorable for their precipitation and removal or disposed in a separate evaporation pond or reinjected underground, while a lower impurity stream is transferred to one or more of the removal location, to a subsequent pond in the sequence, or to a lithium plant or concentration facility. Further concentration of lithium by evaporation can then take place because impurities are removed thus eliminating lithium losses due to co- precipitation and achieving significantly higher concentrations of lithium. 29 Date Recue/Date Received 2021-10-25
