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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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WO/2023/283700A1 |
A gold-copper recovery circuit (10) comprises an adsorption circuit (20); and an elution circuit (30) in which the adsorption circuit (20) receives a slurry (22) containing gold and copper in a cyanide solution; and a resin adsorbent (10...
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WO/2023/285168A1 |
The invention relates to a method for electrolytically obtaining at least one metal. The method comprises providing (61) an aqueous solution (10) of the metal, suspended in which are particles (20) the density of which is greater than th...
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WO/2023/286850A1 |
Provided is a metal recovering method that has a low environmental load and that can efficiently achieve recovery of metal at a low cost. A metal recovering method comprising: an adsorption step for mixing yeast with a liquid containing ...
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WO/2023/286683A1 |
Provided are: a method for removing magnesium, contained as an impurity, from nickel sulfate; and a method for manufacturing high-purity nickel sulfate. The present invention is a manufacturing method characterized by comprising, as step...
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WO/2023/279144A1 |
The present invention relates to a method for the recovery of vanadium from a vanadium containing feed stream, the method comprising the steps of: subjecting the vanadium feed stream to a leach step, the leach step comprising contacting ...
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WO/2023/279143A1 |
The present invention relates to a method for the recovery of vanadium from a vanadium containing leach residue, the method comprising the steps of: subjecting the leach residue to a pulping step, the pulping step comprising the contact ...
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WO/2023/279142A1 |
The present invention relates to a method for the recovery of vanadium from a vanadium containing leach residue, the method comprising the steps of: subjecting the leach residue to a calcination step to produce a calcined residue; subjec...
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WO/2023/274838A1 |
A process is provided for recovery of scandium and certain other rare earth metals from titanium dioxide production residue The process comprises treating the residue with a calcium source at a temperature below 30°C to selectively co-p...
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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...
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WO/2023/275427A1 |
The present invention relates to an arrangement that is suitable for processing an aqueous metal-containing slurry to separate undesired fractions therefrom, including the units intended for cooling the slurry and simultaneously causing ...
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WO/2023/276710A1 |
Provided is a noble metal particle recovery kit which can be used repeatedly and which can recover, through a simple method, noble metal particles from a solution in which noble metals have been dissolved. The noble metal particle reco...
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WO/2023/272497A1 |
The present application provides N,N-dihydrocarbonyl amino carboxylic acid, a preparation method therefor, and the use thereof. The N,N-dihydrocarbonyl amino carboxylic acid can act as an extracting agent for enriching rare-earth element...
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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.
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WO/2022/269962A1 |
Provided is a method for producing high-purity cobalt sulfate by separating impurities and cobalt from a cobalt chloride solution containing impurities without using an electrolysis step. The method involves sequentially performing: a ...
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WO/2022/266919A1 |
Provided are an N,N-dihydrocarbyl amide carboxylic acid, a preparation method therefor and a use thereof. The N,N-dihydrocarbyl amide carboxylic acid can be used as an extractant to enrich rare earth elements from a low-concentration rar...
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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.
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WO/2022/266712A1 |
A process (10) for the treatment of a lithium slag, the process comprising the method steps of: (i) Passing the lithium slag to an activation step (14) in which the lithium slag is heated to an elevated temperature of less than about 250...
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WO/2022/261693A1 |
Processing of refractory (gold) ore. Treatment of mineral bearing material incudes reacting an oxidant and the mineral bearing material, recovering at least a portion of the oxidant and subsequently introducing part of the at least a por...
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WO/2022/258938A1 |
A method of recycling Ni and/or Co from a functional material such as a battery or catalyst material, the method comprising: forming an acidic aqueous recycling feed of the functional material by acid leaching the functional material or ...
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WO/2022/261626A1 |
A method of removing one or more of solutes from an aqueous solution comprises introducing, into a first fractional crystallization chamber, dimethyl ether and a salt‑containing solution comprising one or more dissolved salts to form a...
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