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Matches 301 - 350 out of 8,831

Document Document Title
WO/2023/115152A1
An apparatus for changing one or more physical properties of a material is disclosed. The apparatus comprises first and second grinding surfaces movable relative to one another, the first and second grinding surfaces being spaced apart b...  
WO/2023/120294A1
Provided is a method for producing lithium hydroxide by which it is possible to obtain a high-purity lithium hydroxide by reducing impurities to a predetermined level prior to an electrodialysis conversion step. The lithium hydroxide p...  
WO/2023/121058A1
The present embodiments relate to a valuable metal recovery alloy, a valuable metal recovery composition, and a method for recovering a valuable metal. The valuable metal recovery alloy according to an embodiment may comprise, on the bas...  
WO/2023/108226A1
A method of recovering free milling gold from a gold-containing feed material that includes processing at least a part of a tailings stream from a flotation element in a size separation element and producing a fines stream and a coarse s...  
WO/2023/111254A1
The present invention provides processes for recovering cobalt from solid materials, comprising the steps of: leaching a solid material comprising 1 to 75 wt.% cobalt, relative to the total weight of said solid material, wherein the weig...  
WO/2023/111697A1
The present invention relates to a method and system for beneficiation. In particular, it relates to the recovery of alloys, metals, and minerals from mining and process waste, for example, the recovery of ferrochrome (FeCr) from less de...  
WO/2023/110167A1
The invention relates to a method for recycling rechargeable batteries, in particular lithium rechargeable batteries and/or sodium rechargeable batteries, which each consist of at least one galvanic element, each having two poles, and co...  
WO/2023/109224A1
The present invention discloses a high-value processing method for a solid waste containing zinc and iron, and belongs to the technical field of metal recycling. The method comprises the following steps: washing, filtering, drying, and g...  
WO/2023/108264A1
A process for producing functionalized activated carbon product includes creating grafting sites on a surface of an activated carbon product, to yield a precursor activated carbon product; exposing the precursor activated carbon product ...  
WO/2023/113504A1
Provided is a method for recovering lithium ions by: adding, to a solution in which lithium ions are dissolved, a residue remaining after leaching lithium from spodumene-containing ore; reacting the solution, into which the residue is ad...  
WO/2023/111167A1
The present invention relates to a method for the recovery of rare earth elements (REEs) from acidic mine waters (AMWs), wherein the method comprises (a) depleting the AMWs of alkaline earth metals of group 2, transition metals of groups...  
WO/2023/106210A1
The present invention provides a method for efficiently obtaining a solution that contains nickel and/or cobalt from lithium ion battery waste or the like, which is an alloy that contains nickel and/or cobalt and copper. The present in...  
WO/2023/105904A1
The present invention provides a method for leaching out a metal contained in a battery powder of lithium ion battery waste into an acidic leaching liquid 21 by bringing the battery powder into contact with the acidic leaching liquid 21 ...  
WO/2023/102684A1
The present application relates to the technical field of wastewater treatment, and discloses a device for recycling metal in electroplating sewage. The device comprises a sedimentation tank, a dosing box is fixedly mounted at a corner o...  
WO/2023/105903A1
A metal leaching method includes contacting battery powder of lithium ion battery waste with an acidic leachate 21 inside a leaching container 1 and leaching a metal contained in the battery powder into the acidic leachate 21, wherein th...  
WO/2023/105180A1
A method of refining a metal (e.g. titanium), comprising the following steps: (a) providing (10) an oxide of the metal having a level of impurities of at least 1.0 wt%; (b) reacting (12) the oxide of the metal to form an oxycarbide by pr...  
WO/2023/104830A1
Disclosed herein are methods for leaching a material comprising one or more metals in a zero oxidation state and one or more chosen from metal oxides, metal hydroxides, and combinations thereof, wherein the method comprises contacting th...  
WO/2023/106164A1
This method for manufacturing a vanadium compound includes an alkali extraction step (step 12) for adding alkali and water, or an alkali solution to raw material ash containing vanadium to obtain an alkali leachate, a solid-liquid separa...  
WO/2023/098167A1
Disclosed in the present invention is a method for recovering a waste lithium cobalt oxide battery, the method comprising: feeding a lithium cobalt oxide battery black powder in a column-shaped container, adding a first acid to the colum...  
WO/2023/102570A1
A method and system for converting copper cyanide to copper oxide is provided. The method includes contacting a copper cyanide solution with an acidic solution in a precipitation tank under reaction conditions sufficient to produce a cop...  
WO/2023/097923A1
A low-cost reducing agent for selective precipitation of noble metal ions, relating to the technical field of waste resource recycling. According to the present invention, noble metal (gold, platinum, and palladium) ions in a solution co...  
WO/2023/099424A1
The present disclosure concerns a process for the removal of Cu and Fe from an acidic aqueous solution further containing one or more of Ni and Co, comprising the steps of: - adding a metallic reagent comprising one or more of Ni and Co ...  
WO/2023/099401A1
The invention describes a process for the separation of Fe from Cu and one or more of Ni and Co contained in an alloyed powder having more than 1% by weight of Cu, comprising the steps of: - contacting, in oxidizing conditions, the alloy...  
WO/2023/097924A1
A low-cost and high-efficiency method for recovering precious metals from circuit board components, which method belongs to the technical field of waste resource recovery. The method mainly solves the problem of selective recovery of pre...  
WO/2023/099076A1
The invention relates to a method for separating rhodium from an aqueous hydrochloric solution which contains at least one chloro complex of rhodium and at least one chloro complex of iridium and/or at least one chloro complex of rutheni...  
WO/2023/102064A1
A method for selective extraction of lithium from geothermal brines using host-guest complexes of host molecules such as calixarene, dendrimeric polymers, hyper-branched polymers, and/or acid-catalyzed resins complexed with synergists su...  
WO/2023/096988A1
Methods and systems for the extraction of metals from an aqueous feed solution containing the metal ions. The aqueous feed solution is contacted with one side of a hydrophilic membrane support while an organic liquid is contacted with an...  
WO/2023/097008A1
A process for water, mineral, and/or organics recovery, as well as devices and systems that practice the process, are disclosed. The process may include providing a plurality of evaporator structures, each structure physically separated ...  
WO/2023/094835A1
The present invention relates to the field of chemistry, in particular the field of acids, and methods and processes relating to increasing the concentration, and decreasing the pH, of green organic acids (and thereby increasing their le...  
WO/2023/087727A1
The present invention relates to the technical field of vanadium extraction metallurgy, and in particular to a method for vanadium extraction and precipitation by using a vanadium-containing carbonated leach liquor and recycling of resid...  
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...  
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...  
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.  
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...  
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...  
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...  
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 ...  
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,...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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 ...  
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 ...  
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 ...  
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...  
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...  
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...  

Matches 301 - 350 out of 8,831