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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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WO/2023/026025A1 |
The present invention relates to a treatment process for treating an aqueous effluent from a platinum group metal (PGM) refining process, the treatment process comprising supplying the effluent to a medium, the medium comprising a popula...
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WO/2023/023791A1 |
This invention relates to processes for removing contaminants from a mineral sand particulate. Also described are apparatus for carrying out the processes, and the purified products of the reaction and reaction intermediates.
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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/2023/023861A1 |
Integrated pressure leaching, heap leaching process for recovering copper from sulphidic feed containing iron, arsenic, and copper. Aqueous feed slurry of sulphidic feed is pressure oxidized to form a liquid phase containing free sulphur...
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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/2023/022622A1 |
The invention relates to the production of alumina from bauxite ores. Proposed is a classical Bayer process-based treatment for bauxites, in which, after wet grinding, the slurry is treated with ultrasound, and reverse and direct flotati...
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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/2023/023273A1 |
Described herein are cost-effective methods for recycling lead and transparent conductive oxide-coated glass and/or glass substrates from a perovskite solar cell or solar module. Also described herein are methods for preparing a lead hal...
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WO/2023/019311A1 |
A method for recovering iron values and aluminium values from a red mud residue of the Bayer process is disclosed. The method comprises optionally adjusting the pH of the residue from alkaline toward neutral; separating a solid component...
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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/2023/017348A1 |
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/2023/010207A1 |
A method of processing size-reduced battery materials comprising aluminum, copper and black mass, may include: subjecting the size-reduced battery materials to a caustic leaching process to yield a pregnant leach solution; physically sep...
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WO/2023/013665A1 |
Provided are: a gold ore pretreatment method capable of facilitating recovery of gold even when a gold ore contains a sulfide or a carbonaceous component; and a gold recovery method exhibiting a high gold recovery rate. The pretreatment ...
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WO/2023/013672A1 |
Provided is a separation and purification method comprising: a step (1) for adjusting a sample solution including a first metal ion, a second metal ion, and a chelating agent to a pH at which the second metal ion chelates to form a compl...
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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/2023/009888A1 |
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/2023/005404A1 |
Disclosed is a method for leaching and extracting a valuable metal and a sulfur element from low nickel matte, comprising: adding a ferric iron salt solution and an organic solvent into low nickel matte scraps, introducing an oxidizing g...
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WO/2023/008588A1 |
The present disclosure addresses the problem of providing a method for recovering rhodium at a high recovery rate from a rhodium-containing plating solution. This method for recovering rhodium from a rhodium-containing plating solution...
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WO/2023/007127A1 |
A method of separating a metal from a solution comprises adding to the solution a compound having a structure represented by Formula (I): wherein: R1, R2, R3 and R4 are each independently a substituted or unsubstituted aryl group or a su...
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WO/2023/004465A1 |
A method of leaching a gold/copper-containing sulfidic mined material that includes two leach stages, with a gold leach stage leaching gold from the material with a gold leach liquor and a copper leach stage leaching copper from the mate...
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WO/2023/005428A1 |
Disclosed in the present invention is a method for extracting nickel from a high matte nickel leaching residue. The method comprises: firstly, adding a crushed material of a high matte nickel leaching residue to an organic solvent in whi...
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WO/2023/000847A1 |
Disclosed are a nickel-iron wet treatment method and an application thereof. The treatment method comprises: in a high-pressure oxygen environment, mixing a crushed nickel-iron material, sulphuric acid and a corrosion aid, performing an ...
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WO/2023/002917A1 |
Provided is a method for obtaining a solution having a high concentration of 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. A method for treating an ...
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WO/2023/004333A2 |
Disclosed are proteins based on lanmodulin (LanM) that comprised one or more sensitizers. Various residues in LanM may be substituted with a sensitizer, such as, for example, tryptophan. The proteins may be used to detect and quantify la...
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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/2023/002912A1 |
The present invention provides a method that is capable of selectively obtaining nickel and/or cobalt from an alloy, which contains copper as well as nickel and/or cobalt, in a waste lithium ion battery or the like. A method for proces...
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WO/2023/000845A1 |
Disclosed in the present invention is a method for extracting valuable metal from low-matte nickel converter slag. The method comprises: mixing low-matte nickel converter slag and quicklime then calcinating, obtaining a calcinated materi...
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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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