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WO/2023/243878A1 |
Provided in one embodiment of the present disclosure is a method for leaching copper by using pressure leaching, comprising: a raw material preparation step of preparing a raw material including copper; and a pressure leaching step, whic...
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WO/2023/244779A1 |
The present disclosure relates to a method of extracting and isolating a target cation from precursors containing a mixture of cation species.
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WO/2023/243385A1 |
Provided is a recycled positive electrode material comprising: lithium, nickel, cobalt, and manganese; 0.3 mass% to 3 mass% of aluminium; and less than 1 mass% of at least one of copper and iron.
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WO/2023/244964A1 |
A method for extracting a metal of interest from a mineral substrate comprising: 1) providing a mineral substrate containing a metal of interest, 2) contacting the mineral substrate with a leaching medium comprising a pH reducing microor...
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WO/2023/243832A1 |
The present invention provides a method for producing a nickel sulfate solution, the method comprising: a leaching step for leaching a nickel cathode in sulfuric acid at high temperature and high pressure; a neutralization step for neutr...
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WO/2023/245183A2 |
The present disclosure relates to methods and materials for leaching and recovering metals from oxide ores.
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WO/2023/238446A1 |
The present invention enables recovery of a high-purity manganese-containing solution from a waste dry battery with high yield. A method for recovering manganese that is contained in a waste dry battery according to the present inventi...
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WO/2023/239119A1 |
The present invention provides an optimized method for recovering high-purity lithium phosphate from lithium-containing composite oxides deposited on the eroded surface of a waste saggar. The method of the present invention for producing...
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WO/2023/239095A1 |
The present invention provides an optimized method for collecting high-purity lithium carbonate from a lithium-containing composite oxide deposited on an eroded surface of discarded waste sagger. Therefore, the use of the method for manu...
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WO/2023/236317A1 |
The invention relates to the field of electronic industrial raw material purification, and relates in particular to an impurity adsorbent, a preparation method and a method for using the adsorbent to purify trimethylaluminium. The impuri...
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WO/2023/237716A1 |
The invention provides a process for generating a metal sulphide comprising nickel and/or cobalt, comprising the steps of: i. forming an aqueous metal sulphate solution by reacting sulphuric acid with a raw material feed comprising nicke...
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WO/2023/239875A2 |
Integrated recycling method and processes including recycling spent catalyst to produce one or more water-soluble metal salts and one or more water-insoluble tail byproducts, and recycling rechargeable batteries to produce one or more ba...
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WO/2023/237713A1 |
The present invention provides a method for processing a metal-containing feed comprising at least one Ni compound and/or at least one Co compound, said feed further comprising one or more impurities, said method comprising the steps of:...
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WO/2023/238635A1 |
In the present invention, lithium can be easily and efficiently recovered from a lithium-containing starting liquid, using a lithium recovery agent containing an electricity-generating bacterium and a lithium intercalation material.
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WO/2023/239061A1 |
The present invention relates to a method for recovering metals from a waste battery by using a magnetic field-applied biological leaching process. According to the method of the present invention, by applying a magnetic field to the bio...
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WO/2023/238447A1 |
According to the present invention, a high-purity manganese-containing solution is recovered with high yield from a waste dry battery. In this recovery method for manganese contained in a waste dry battery, the following steps are perf...
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WO/2023/239120A1 |
The present invention provides an optimized method for recovering high-purity lithium carbonate from lithium-containing complex oxides, such as lithium silicate, lithium aluminum oxide, and lithium aluminum silicate, deposited on the ero...
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WO/2023/234562A1 |
The present invention provides a method for removing chlorine in a process solution in zinc hydrometallurgy, the method comprising the steps of: preparing a process solution from a leaching process for leaching zinc calcine; adding the p...
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WO/2023/234623A1 |
The present disclosure relates to a method for removing halides from waelz oxide which comprises halides. According to the present method it is possible to effectively remove halides included in waelz oxide, particularly insoluble fluori...
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WO/2023/230661A1 |
The present disclosure relates to a solution, a precursor material for making a cathode active material, and a cathode active material. The solution comprises nickel, cobalt, manganese and one additional element selected from a group of ...
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WO/2023/235624A1 |
Described herein are methods of recovering a target ion, such as lithium, from earth materials. The methods include leaching the target ion from an earth material such as a clay to form a target solution and extracting the target ion fro...
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WO/2023/229007A1 |
The problem to be solved by the present invention is to provide a method for extracting aluminum without causing precipitation of aluminum from an acid dissolution solution. A method for extracting aluminum according to the present inven...
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WO/2023/229528A1 |
The present disclosure concerns a method of extracting platinum group metals (PGM) from a material, the method comprising surface oxidising the material; ultrasonicating the surface oxidised material of step a) in the presence of an acid...
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WO/2023/229533A1 |
Disclosed herein is a method of recycling a spent battery material, the method comprising the steps of (a) providing a first reaction compartment fluidly connected to a cathode side of an electrolyser, (b) in a second reaction compartmen...
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WO/2023/229494A1 |
The invention relates to the field of chemical technology and non-ferrous metallurgy and can be used for extracting vanadium from petroleum coke combustion ash. Petroleum coke combustion ash is leached, and vanadium is then extracted fro...
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WO/2023/229045A1 |
The present invention addresses the problem of providing a method which is for recovering lithium from waste lithium ion batteries, and which enables recovering of lithium at a high recovery rate. This method for recovering lithium from ...
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WO/2023/225716A1 |
A method of recycling a battery waste material comprising Li and one or more of Mn, Co, and Ni, the method comprising: extracting Li from the battery waste material by selectively dissolving Li in a solvent; after extracting Li, forming ...
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WO/2023/227526A1 |
The present invention relates to a system (10) for extracting lithium or lithium salts from a brine, comprising: a feed circuit (20) for receiving the brine; a pre- treatment circuit (30) for removing carbon dioxide, silica and transitio...
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WO/2023/226546A1 |
A method for recycling lithium from lithium clay, comprising: roasting lithium clay powder for the first time, mixing the primary roasted material with an additive, grinding to obtain a ground material, mixing the ground material with ac...
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WO/2023/230474A1 |
Provided herein are assemblies and methods for calcium and/or other valuable element extraction. An assembly includes a dissolution tank defining an interior chamber having a first inlet, a second inlet, and a mixture outlet. The dissolu...
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WO/2023/225245A1 |
Described herein are methods of recovering target ions from salt deposits. The methods include dissolving a target ion from a salt deposit to form a target solution and extracting the target ion from the target solution using a selective...
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WO/2023/224970A1 |
Disclosed is a method for leaching lithium via an electrochemical apparatus including a multi-functional current collector, an electrode, an electrolyte, and a lithium-bearing material, wherein the lithium-bearing material is dispersed o...
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WO/2023/224933A1 |
The present disclosure relates to systems and methods for recovering radium-226. In one embodiment, uranium tailings are processed to achieve an aqueous solution comprising radium-226. A macrocyclic material may be used to sorb the radiu...
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WO/2023/220785A1 |
A method and a mine for in situ recovery of a valuable metal from a hard rock ore body reserve is disclosed. Resource definition holes that were drilled as part of a resource definition program are used as production holes. The resource ...
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WO/2023/221907A1 |
Disclosed is a method for synchronously removing fluorine, chlorine and iron in a solution, comprising: continuously introducing gas containing a strong oxidizing gas into a solution containing Fe2+, F- and Cl-, at the same time adding a...
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WO/2023/220072A1 |
In one aspect, the disclosure relates to relates to systems and methods for the separation and recovery of rare earth elements and other critical minerals from AMD-based pre-concentrate materials, e.g., a solid pre-concentrate material, ...
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WO/2023/218288A1 |
A process (10) for extracting manganese from manganese-bearing ore includes roasting (12.2) a feed admixture of particulate manganese-bearing ore (26), comprising Mn and Fe, and ammonium sulphate (24) at a first temperature T1 to provide...
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WO/2023/220735A1 |
Extraction of elements and/or compounds from iron-containing materials, such as iron- containing tailings, and related systems and products are generally described. The systems and methods described herein can provide, in accordance with...
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WO/2023/220394A1 |
A membrane for capturing lithium via adsorption can include a stretched film and at least one of woven or knitted fabric or a nonwoven mat of fibers and can be functionalized by including at least one of: polymers coextruded with lithium...
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WO/2023/215448A1 |
Described herein are methods of recovering lithium from dilute lithium sources. The methods include concentrating a dilute aqueous lithium source to yield an extraction feed having an extraction lithium concentration; extracting lithium ...
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WO/2023/215353A1 |
Described herein are methods of recovering lithium from aqueous sources. The methods include extracting lithium from an aqueous lithium source using an extraction stage to yield a lithium intermediate; routing the lithium intermediate to...
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WO/2023/215274A1 |
Disclosed are solutions for the recovery of elemental metals at industrial scales without smelting including, for example, the recovery of near-pure lead from recycled LABs via specialized electrolytic processing. Further disclosed are n...
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WO/2023/213919A1 |
The present invention provides a process for the preparation of a nickel chloride solution in a column reactor, whereby metal particles containing nickel and/or cobalt are reacted with an oxidative leach solution comprising hydrochloric ...
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WO/2023/213961A1 |
The present invention relates to a process for the produc- tion of sulfuric acid from a process gas comprising 1-10 vol% SO3 and 10-70 vol% H2O, as well as 1-5000 mg/Nm3 of particulate solids having a diameter above 1 µm, comprising the...
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WO/2023/212833A1 |
The present invention patent application relates to a process for obtaining high-purity lithium sulfate monohydrate by leaching from a lithium sulfate concentrate, in order to produce a high-purity lithium sulfate monohydrate with a low ...
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WO/2023/213099A1 |
A self-cage-breaking anti-seepage agent and an anti-seepage method. The self-cage-breaking anti-seepage agent comprises the following components in percentage by mass: 15-20% of main monomer, 3-8% of temperature-resistant and salt-resist...
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WO/2023/215313A1 |
The present disclosure relates to the extraction of lithium from liquid resources such as natural and synthetic brines, leachate solutions from clays and minerals, and recycled products. Herein are systems and processes for extracting li...
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WO/2023/215541A1 |
A waste extraction system that includes a column set positioned between and fluidly coupled to an upstream segment of a main waste pathway and a column effluent tank, the column set having a uranium adsorption column fluidly coupled to a...
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WO/2023/215450A1 |
Described herein are methods of recovering lithium from dilute lithium sources. The methods include concentrating a dilute aqueous lithium source to yield an extraction feed having an extraction lithium concentration; extracting lithium ...
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WO/2023/215002A1 |
Described herein are methods of recovering lithium from dilute lithium sources. The methods include concentrating a dilute aqueous lithium source to yield an extraction feed having an extraction lithium concentration; extracting lithium ...
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