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WO/2023/041057A1 |
A lithium-ion adsorbent and a method for preparing same. The lithium-ion adsorbent comprises a substance having a chemical formula of LiCl·2Al(OH) 3·nH 2O, where n is an integer from 1 to 3. The method comprises mixing a lithium salt s...
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WO/2023/042194A1 |
The present invention relates to a process for the beneficiation of solids and ores. The solids comprise metal oxides or metal hydroxides or metal carbonate. In said process, a strong acid salt is reacted with organic weak base (OWB) in ...
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WO/2023/040511A1 |
The present application discloses a lithium extraction method for an alkaline solution, in which a lithium adsorption material is used in an alkaline environment. Lithium ions in the alkaline solution are adsorbed, the lithium adsorption...
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WO/2023/040534A1 |
A method for lithium adsorption in a carbonate- and/or sulfate-containing solution, comprising using an aluminum-based lithium adsorbent for adsorption of lithium ions in the carbonate- and/or sulfate-containing solution, after the adsor...
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WO/2023/039486A1 |
A method of separating metals from a lithium-ion battery leachate includes obtaining a solution with iron, aluminum, nickel, and cobalt. Ammonium phosphate is added to the solution to adjust a pH of the solution to greater than or equal ...
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WO/2023/038541A1 |
The invention relates to obtaining metal bromide salts from bromine-containing multicomponent brines during the comprehensive treatment thereof and can be used to produce the saleable products NaBr, CaBr2Н2О, MgBr22H2O, SrBr22Н2О, Li...
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WO/2023/036726A1 |
The invention relates to a method and a system for recovering metals from black mass, comprising the following steps in the following order: step (a), providing black mass, which contains Li; step (b), adding water to the black mass and ...
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WO/2023/032495A1 |
The present invention provides a method for producing a valuable metal at a low cost. A method according to the present invention comprises at least: a preparation step in which a starting material that contains Li, Mn, Al and a valuab...
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WO/2023/029573A1 |
Disclosed in the present invention is a method for extracting lithium from a waste lithium battery, comprising the following steps: putting positive electrode powder of a waste lithium battery in hydrochloric acid for leaching; filtering...
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WO/2023/029898A1 |
The present invention relates to the technical field of the recovery of spent lithium-ion batteries, and provides a method for recovering valuable metals from spent lithium-ion batteries. The method comprises: subjecting spent lithium-io...
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WO/2023/034971A1 |
A method of making black mass from lithium containing batterie includes the steps of closing a chamber enclosing lithium-containing batteries and injecting nitrogen into the chamber to create an atmosphere sufficiently low in oxygen to p...
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WO/2023/024599A1 |
Disclosed is a method for the recovery of waste lithium batteries and preparing a ternary precursor, comprising: first pre-treating a waste lithium battery to obtain battery powder and aluminum slag; roasting the battery powder; adding w...
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WO/2023/028281A1 |
Targeted metal ions can be harnessed from brines by feeding a mixed, aqueous, brine stream including the targeted metal ions and other dissolved ions through a water-recovery module on a first side of a first membrane. In the water-recov...
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WO/2023/026261A1 |
Methods are provided for processing a lithium-containing material (e.g., a mineral like spodumene) whereby a lithium sulfate solution derived from the material is reacted with a primary reagent (e.g., Na2CO3 or NaOH) to produce a mixed s...
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WO/2023/027911A1 |
Methods for selectively extracting lithium ions from samples containing lithium ions and sodium ions are provided. The methods take advantage of the phase separation of lithium-containing phases and sodium-containing phases in inorganic ...
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WO/2023/026259A1 |
Methods are provided for processing a lithium-containing material, such as spodumene, whereby a lithium sulfate solution derived from the material is reacted with sodium hydroxide to produce an intermediate solution comprising a first an...
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WO/2023/022627A1 |
Invention relates to lithium sorption recovery from natural brines and wastewaters. The method comprises introducing a feed lithium-containing brine to a sorption-desorption concentrating module in a form of a vertically mounted column f...
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WO/2023/020039A1 |
Disclosed is a method for the wet recovery of valuable metals in a lithium battery. In the method, when hydrogen sulfide gas is pressurized and introduced, waste lithium battery powder is selectively leached, so that Mn2+, Li+, and Al3+ ...
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WO/2023/019184A1 |
Provided herein are processes for recovering lithium ions from a brine source. The process can comprises increasing the pH of a brine source comprising lithium ions to at least about 5.5; contacting the pH-elevated brine source with a be...
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WO/2023/017910A1 |
The present invention provides a method for recycling a positive electrode material for secondary batteries that can not only safely separate positive electrode materials included in waste batteries without by-products such as acid waste...
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WO/2023/017348A1 |
A process for producing a purified aqueous lithium (sulfate) solution including: processing a lithium-containing raw material to produce a crude aqueous solution containing lithium sulfate; contacting the crude solution with an organic m...
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WO/2023/016056A1 |
The present invention belongs to the technical field of ferronickel recovery, and discloses a method for recovering magnesium oxide from ferronickel slag, the method comprising the steps of: crushing and drying ferronickel slag, adding a...
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WO/2023/015138A1 |
The present disclosure relates to strapped calixpyrrole compounds, polymer monomers and polymers comprising strapped calixpyrrole substructures, and compositions thereof. Also provided herein are methods of use of said strapped calixpyrr...
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WO/2023/015171A1 |
The inventions described herein provide methods and systems for recycling lithium iron phosphate batteries, including: adding an oxidizing agent to a recycling stream of lithium iron phosphate (LiFePO4) batteries to form a leach solution...
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WO/2023/013714A1 |
A metal recovery device including a leaching unit for causing a metal element contained in a composition to directly leach into a hydrophobic deep eutectic solvent and a recovery unit for recovering the metal element by separating the me...
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WO/2023/007869A1 |
This system for treating a waste lithium ion battery is for recovering lithium from a waste lithium ion battery through the elution of lithium by immersing, in water, a calcinated product that can be obtained by calcinating a waste lithi...
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WO/2023/009888A1 |
Capillary electrophoresis is used to monitor concentration of components in streams of a lithium recovery process.
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WO/2023/006826A1 |
The present disclosure is related to a crystallization process for the recovery of metals from starting materials comprising Ni and Li.The starting materials, either in aqueous solution or solid form, are reacted with an aqueous solution...
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WO/2023/004927A1 |
A full-quantitative overall utilization method for step-by-step recovery of iron, sodium and tailings from Bayer red mud, comprising: grinding a red mud raw material, and adding sulfuric acid for acid leaching to dissolve Fe and Na; addi...
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WO/2023/002180A1 |
A method of recovering a lithium salt from a lithium battery waste mass, comprising the steps of: (a) dissolving the lithium sail in the lithium battery waste mass in a weight of water equivalent to 100 to 0.1 times the weight of the lit...
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WO/2023/000843A1 |
Disclosed are a method for selectively extracting lithium from a retired battery and an application of the method. According to the method, on the basis of an ion exchange effect between a divalent manganese ion and a lithium ion, a posi...
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WO/2023/002048A1 |
Disclosed herein are processes for removing lithium from a battery material comprising contacting the battery material with an aqueous medium comprising calcium hypochlorite salts to form a mixture, and separating in the mixture solids f...
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WO/2023/286684A1 |
Provided is a means for efficiently and economically separating and collecting a transition metal such as nickel or cobalt and lithium from an aqueous sulfate solution that contains the transition metal and lithium as major components. T...
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WO/2023/281033A1 |
Disclosed herein are processes comprising electrolyzing an aqueous solution comprising lithium, wherein the aqueous solution has a pH less than 0.5. Also disclosed are processes comprising electrolyzing a first aqueous solution comprisin...
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WO/2023/275375A1 |
Suggested is a method for recovering metals from batteries comprising or consisting of the following steps: (a) providing black mass prepared from spent batteries; (b) providing a culture of microorganisms obtained by using suitable carb...
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WO/2023/278429A1 |
In accordance with one embodiment, a method comprises dissolving a sulfide of a first metal in a solvent comprising molten aluminum; aluminothermically reduce at least a portion of the sulfide through reactive vacuum distillation to form...
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WO/2022/268792A1 |
The present invention relates to a process for recycling battery materials, in particular lithium ion/polymer batteries, and to the subsequent use of the useful materials recovered by way of the process according to the invention.
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WO/2022/272162A1 |
A method for recycling All solid state batteries (ASSBs), the method including: receiving a recycling stream of ASSBs comprising an electrolyte comingled with at least one charge material; introducing a passivating substance for neutrali...
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WO/2022/268797A1 |
The present invention relates to a process for recycling battery materials, in particular lithium ion/polymer batteries, and to the subsequent use of the useful materials recovered by way of the process according to the invention.
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WO/2022/267426A1 |
The present invention relates to a method for recovering metal in laterite-nickel ore. The method comprises: using laterite-nickel ore slag as a raw material, mixing the laterite-nickel ore slag with compounding agents, and then grinding...
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WO/2022/260542A1 |
The present disclosure provides a process for recycling sorbent used in a process for extracting lithium from an aqueous solution containing lithium. The process may comprise bringing an aqueous solution containing lithium into contact w...
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WO/2022/252602A1 |
The present invention relates to the technical field of waste battery recovery. Disclosed are a method for safely leaching a waste battery and an application. The method comprises the following steps: discharging, roasting, and screening...
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WO/2022/252604A1 |
Disclosed in the present invention is a safe reactor for leaching of waste battery powder and capable of controlling hydrogen concentration, comprising a platform, a rotary acid pumping cylinder, and a delivery pipe; the platform is prov...
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WO/2022/242406A1 |
The present invention relates to a high-selectivity and hydrophilic electrode for electrochemical lithium extraction and a preparation method therefor. The method comprises subjecting an electrode active material to surface coating and m...
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WO/2022/239454A1 |
Provided is a method for producing valuable metal from raw materials including, for example, waste lithium ion batteries by a pyrometallurgical method, said method making it possible to efficiently separate manganese included in the raw ...
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WO/2022/238201A1 |
The invention relates to a method for recycling a cathode material and a solid electrolyte from a solid-state lithium battery. The method has the following steps: a) separating the solid-state lithium battery into a solid mixture, said m...
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WO/2022/234884A1 |
The present invention relates to a method for recovering lithium from a waste lithium secondary battery using dry smelting, the method comprising the steps of melting a waste lithium secondary battery containing nickel, cobalt, copper, a...
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WO/2022/229327A1 |
The present invention relates to a process for obtaining alkali metal chlorides from bypass dusts that are produced during the operation of rotary kilns, e.g. in cement or clinker manufacturing plants.
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WO/2022/230861A1 |
With respect to recovery of a valuable metal from a waste lithium ion battery (LiB) and a waste material from the LiB production, the purpose of the present invention is to solve: the problem of recovering a valuable metal from an active...
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WO/2022/227184A1 |
A comprehensive utilization method for bottom-top composite blowing smelting reduction of high-iron red mud, the method mainly comprising the following steps: mixing high-iron red mud with a reducing agent, a slag former and fluorite; ad...
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