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WO/2023/067273A1 |
The invention relates to the uses of cyclic amine monoamides for extracting uranium(VI) and/or plutonium(IV) from an acidic aqueous solution and also for completely or partially separating the uranium(VI) from the plutonium(IV) starting ...
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WO/2023/065044A1 |
A recyclable, non-toxic solvent media and methods for precious metal leaching and extraction, in particular platinum group metals (PGMs), are described. The solvent media comprises 3-methoxy-3-methyl-1-butanol (MMB), an oxidizing agent s...
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WO/2023/026287A9 |
The present invention relates to a hydrometallurgical method for removing metals from used Li-ion batteries by dismantling and disassembling all types of Li-ion batteries, mechanical physical destruction of the batteries and separation o...
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WO/2023/060889A1 |
A method for extracting Fe, Zn and Pb from electric furnace dedusting ash and the high value utilization of same. Bulk dangerous waste electric furnace dedusting ash is used as a raw material, oxalic acid is used as a leaching agent, and...
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WO/2023/064320A1 |
Continuous monitoring of density in lithium extraction and recovery using inertial density sensors is described herein. Lithium recovery methods and processes using inertial density sensors are also described herein. A method comprises d...
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WO/2023/062986A1 |
A method (40) for producing cobalt sulfate crystals which is for obtaining crystals of cobalt sulfate heptahydrate from an aqueous solution containing cobalt sulfate. The method comprises a crystallization step (10) in which an aqueous s...
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WO/2023/061038A1 |
Disclosed in the present invention is a combined treatment method for a nickel-iron alloy material and a nickel-containing raw material. The method comprises the following steps: placing a nickel-iron alloy material into an anode basket ...
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WO/2023/058548A1 |
To obtain a high-purity monovalent metal ion recovery solution at a high recovery rate using a nanofiltration membrane and a reverse osmosis membrane from a solution in which monovalent metal ions and polyvalent metal ions are contained,...
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WO/2023/057754A1 |
Disclosed herein is a method of extracting lithium from a lithium bearing material comprising the steps of: a) providing an aqueous oxidant mixture comprising water, an oxidising means, and a source of halide ion; b) contacting the aqueo...
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WO/2023/056505A1 |
A process for recovering value metals from a nickel and cobalt bearing lateritic ore, the process including the steps of: leaching the nickel and cobalt bearing lateritic ore with a lixiviant comprising hydrochloric acid at a concentrati...
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WO/2023/050804A1 |
Disclosed is a method for efficiently removing fluorine from a spent lithium battery. The method comprises: mixing aluminum and a sodium hydroxide solution for reaction to obtain a sodium metaaluminate solution; introducing sulfuric acid...
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WO/2023/054618A1 |
Provided is a method for dissolving battery powder in hydrochloric acid, whereby a large amount of battery powder can be dissolved in hydrochloric acid after a single treatment and excellent workability is achieved. In this method for di...
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WO/2023/049967A1 |
The invention relates to a process for leaching metals from metal sulfide ore and/or concentrate, comprising: electrolytically generating a leach solution of oxidative halogen-based lixiviant; contacting the metal sulfide ore and/or conc...
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WO/2023/054120A1 |
Provided is a method for separating and recovering metal ions wherein an oil phase containing an extraction agent is mixed with an aqueous phase that contains at least two metal ion species including a group 3 to group 16 metal ion and t...
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WO/2023/054159A1 |
Provided is a method for efficiently obtaining a solution containing nickel and/or cobalt from alloys containing nickel and/or cobalt and copper, such as waste lithium-ion batteries. The present invention pertains to an alloy treatment...
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WO/2023/054621A1 |
Provided is a method by which high-purity valuable metals can be recovered from a waste lithium-ion battery. A method for recovering a valuable metal from a waste lithium-ion battery comprises: a dissolution step for dissolving an active...
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WO/2023/054227A1 |
The present invention provides a method for leaching lithium, the method enabling the achievement of a lithium compound that has a purity sufficient for use in batteries by leaching lithium from lithium titanium oxide that is contained, ...
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WO/2023/049956A1 |
A process of preparing an alkali salt solution for the production of catalysts or promoters of catalysts, the process comprising the steps of: (i) Passing a solution containing a mixture of potassium, rubidium and caesium sulfates throug...
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WO/2023/054667A1 |
Provided is a method for recovering lithium from waste lithium-ion batteries, that facilitates lithium recovery at a high recovery rate and facilitates recycling of resources. In this method for recovering lithium from waste lithium-ion ...
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WO/2023/050805A1 |
The present invention belongs to the technical field of processing waste lithium batteries, and disclosed is a method for removing fluorine from waste lithium batteries. The method comprises the following steps: adding an oxidizing agent...
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WO/2023/047139A1 |
The present invention relates to compositions and processes for the extraction of metals from solid material using non-aqueous solvents and oxidisers. The processes and compositions of the present invention are useful for selectively ext...
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WO/2023/049381A1 |
Compositions, systems, and methods for selectively leaching and/or extracting lithium from sedimentary deposits and other resources are generally described.
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WO/2023/048196A1 |
Provided is a treatment method for chlorine gas whereby chlorine gas generated when a battery powder is dissolved in hydrochloric acid to leach a valuable metal using the hydrochloric acid can be rendered harmless or used effectively. Th...
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WO/2023/049383A1 |
Compositions, systems, and methods for selectively leaching and/or extracting lithium from sedimentary deposits and other resources are generally described.
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WO/2023/046725A1 |
The present invention concerns a process for recovering metallic manganese from a non-carbonated manganese ore without CO2 emission, comprising the following successive steps: a) direct reduction step of the non-carbonated manganese ore ...
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WO/2023/041890A1 |
A method of recycling one or more valuable metal elements from a source material comprising the one or more valuable metal elements, the method comprising: forming an acidic aqueous recycling feed by acid leaching the source material or ...
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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/2023/039668A1 |
The present application relates to a method of recovering vanadium in the form of a vanadyl sulfate solution from a secondary source of vanadium using a reductive leaching process using a saccharide and sulfuric acid. The secondary sourc...
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WO/2023/044091A1 |
Described herein are compositions and methods for the low-temperature desalination of high-salinity water such as seawater or high-salt groundwater. In one embodiment, one or more of the ionic liquids, 1-ethyl-3-methylimidazolium bis(tri...
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WO/2023/043071A1 |
The present invention relaters to a method for recycling a cathode active material and a cathode active material recycled thereby and, more specifically, to a method for recycling a cathode active material and a cathode active material r...
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WO/2023/042606A1 |
The purpose of the present invention is to recover a high-purity manganese-containing solution from a waste dry battery with high yield. Provided is a method for recovering manganese contained in a waste dry battery, the method comprisin...
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WO/2023/043898A1 |
Methods for recovering a metal value from a metal-bearing material are provided. The method comprises agglomerating the metal-bearing material with an agglomeration solution comprising a raffinate, an oxidant, and citric acid or salts th...
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WO/2023/043095A1 |
The invention relates to a method for extracting waste denitrification catalyst-containing valuable metals and, more specifically, to a method for extracting waste denitrification catalyst-containing valuable metals, wherein a process of...
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WO/2023/042526A1 |
Provided are: a collector containing a compound that increases the recovery amount of an ore to be recovered; an ore flotation method that uses this compound; and a compound that is suitable as a collector. This collector contains a comp...
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WO/2023/036441A1 |
The method according to the invention for treating steel mill slag comprises the steps of: A) providing steel mill slag in solid form having a fineness such that the steel mill slag has a specific BET surface area of 0.1 m2/g or more; B)...
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WO/2023/035636A1 |
Disclosed in the present invention is a method for preparing nickel sulfate from low nickel matte. The method comprises: adding a sulfuric acid solution and an oxidizing agent into a low nickel matte crushed material for an acid leaching...
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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/2023/037876A1 |
A method is provided which enables selectively leaching nickel and/or cobalt from an alloy that contains copper and nickel and/or cobalt in a waste lithium ion battery. This alloy processing method involves obtaining a solution that co...
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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/2023/038283A1 |
The present invention relates to a method for recycling a cathode active material and a cathode active material recycled thereby and, more specifically, to a method for recycling a cathode active material and a cathode active material re...
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WO/2023/033023A1 |
Provided is a method for effectively obtaining a solution containing nickel and/or cobalt from an alloy that contains copper as well as nickel and/or cobalt, in a waste lithium-ion battery or the like. The present invention is an alloy...
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WO/2023/034590A1 |
A precious metal leaching method includes providing a slurried feed, comprising (i) in the solid phase, a refractory sulfide-containing material, the material comprising at least about 0.05 oz/tonne of a precious metal, at least about 0....
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WO/2023/032815A1 |
This metal recovery material includes cyanobacteria of genus Leptolyngbya.
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WO/2023/032811A1 |
This method for recovering a metal from a metal element-containing substance comprises: a step in which a solution containing metal ions or metal complex ions is obtained by bringing a dissolution liquid that contains nitric acid and a s...
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WO/2023/032043A1 |
Provided are a method and device that can suppress release of CO2 gas into the atmosphere and efficiently recover valuable metal from mineral resources that, conventionally, have not be effectively utilized. This method includes: pretrea...
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WO/2023/034810A1 |
Disclosed herein are fusion peptides comprising a fluorescent domain and a rare earth element detection domain capable of binding to a rare earth element and fluorescing when exposed to light when a rare earth element is bound and compos...
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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/2023/027567A1 |
The invention is applicable in metallurgy to obtain an iron alloy with a particularly high titanium content by remelting a consumable electrode in an electric arc furnace, supplemented by an electromagnetic system for generating a pulsed...
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WO/2023/026041A1 |
Disclosed herein are methods of purifying precious metal from a precious metal- bearing material comprising the steps of: a) forming an aqueous acidic oxidant mixture from an oxidant, an acid, and a source of bromide ion, said aqueous ac...
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