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WO/2023/089234A1 |
The present invention relates to a process for recovering zinc and iron products from zinc- containing waste materials obtained from the zinc or steel industry, or both, by first treating the waste material(s) with strong acid, to conver...
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WO/2023/087114A1 |
The present techniques include recovering organic and metallic fractions from electronic waste by conditioning the electronic waste to produce a conditioned material; pyrolyzing the conditioned material to thermally decompose the conditi...
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WO/2023/088955A1 |
The present disclosure relates to a process for removing fluoride from acidic solution, the process comprising a series of precipitation stages in which the pH is selectively increased using a neutralization agent.
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WO/2023/091287A2 |
Various examples disclosed relate to methods for recycling lithium-ion battery cathode materials. The present disclosure includes methods that use ionic liquids, such as containing tetrachloroaluminate anions, or organic solutions of alu...
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WO/2023/086718A1 |
The present disclosure relates to processes for recovering rhodium from a hydroformylation process. In one aspect, a tails stream from a product-catalyst separation zone is provided to at least one organic solvent nanofiltration separati...
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WO/2023/081961A1 |
A process for extracting a metal from a metal containing material comprises contacting a process stream containing a species of the metal with a system comprising carbon dioxide to solubilise metals as carbonates or bicarbonates in the p...
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WO/2023/083953A1 |
The present invention relates to a process for selectively leaching nickel from a mixed hydroxide precipitate (MHP) by contacting the mixed hydroxide precipitate with an acidic leach solution and with peroxymonosulfuric acid to cause at ...
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WO/2023/083065A1 |
The present invention is a method for preparing a granular titanium-based lithium ion sieve adsorbent having a high adsorption capacity. The method comprises: step 1, preparing a titanium-based lithium-ion sieve precursor powder; step 2,...
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WO/2023/086884A1 |
A method is provided for recycling lithium-ion batteries containing plastics, electrolyte, carbon, metals, and lithium. The method includes: Lithium-ion batteries are ground to form ground battery material which is then pyrolyzed at a te...
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WO/2023/079208A1 |
The present invention relates to an arrangement for processing a lithium-containing mineral, including the recirculation of a carbonate-containing liquid stream back to an off-gas treatment unit. Further, the invention relates to a metho...
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WO/2023/077215A1 |
It is provided a process for extracting nickel sulfate from mining ores, such as serpentine, comprising the steps of conducting a magnetic separation of the mining ores producing a magnetic fraction and a non magnetic fraction; leaching ...
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WO/2023/079834A1 |
A method for producing a cobalt solution which involves removing magnesium ions from a cobalt-containing solution which contains magnesium ions and is obtained by subjecting battery powder from lithion-ion battery waste to at least a lea...
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WO/2023/079055A1 |
The present invention relates to a method for extracting at least one lanthanide element, preferably selected from lanthanum (La), praseodymium (Pr), neodymium (Nd), europium (Eu), dysprosium (Dy), and ytterbium (Yb), from a solid materi...
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WO/2023/081773A1 |
A bioreactor stimulator is provided. A platform is operable to receive a metal sample of a desired metal. The metal sample is operable to interact with microbe and stimulate the microbe to recover the desired metal from selection materia...
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WO/2023/070234A1 |
The present invention relates to a method for producing 99.7% high-purity magnesium hydroxide (Mg(OH)2) from discard bischofite, said method comprising: a) preparing reagents, dissolving 88% pure discard bischofite in water, and forming ...
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WO/2023/075738A1 |
The present invention relates to the processing of natural titanium-containing feedstock, mainly ilmenite concentrate, including ilmenite ores with a low TiO2 content, into products with high added value without generating any liquid or ...
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WO/2023/073568A1 |
THIS invention relates to a method and heap for recovering metal values from ore in a heap leach process. The method includes the steps of depositing and stacking crushed ore 16 on an impermeable pad 12 to form a heap, and enclosing the ...
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WO/2023/066656A1 |
The present disclosure is directed to methods and systems for reacting elemental nickel particles with sulfuric acid and hydrogen peroxide solutions to produce nickel sulfate products, for example, nickel sulfate products suitable for ba...
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WO/2023/068525A1 |
The present invention relates to a method for regenerating a positive electrode active material and a positive electrode active material regenerated therefrom, the method comprising the steps of: (a) recovering a positive electrode activ...
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WO/2023/065967A1 |
A manufacturing method for and a use of a complete man-made bottom plate. Flow guide holes do not need to be formed on the complete man-made bottom plate, and a rare earth mother liquor can be drawn out by means of a tunnel and an in-roa...
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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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