Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 201 - 250 out of 2,399

Document Document Title
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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+ ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2023/009888A1
Capillary electrophoresis is used to monitor concentration of components in streams of a lithium recovery process.  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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.  
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...  
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.  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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.  
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...  
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...  

Matches 201 - 250 out of 2,399