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WO/2024/090175A1 |
[Problem] To provide: a slurry concentrating system that is capable of stably adjusting, when concentrating a slurry, the concentration of the concentrated slurry; a sintered-ore raw material particle manufacturing system; a sintered ore...
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WO/2024/087476A1 |
The present application provides a method for producing an aluminum ingot by recycling aluminum from a positive electrode plate of a waste lithium battery, and relates to the technical field of new energy. In the method for producing an ...
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WO/2024/087437A1 |
Disclosed are a waste lithium battery positive electrode sheet recycling treatment device and a method thereof. According to a table of reactivity series of metals, iron is stronger than hydrogen, and thus iron ions in a ferric sulfate s...
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WO/2024/089266A1 |
The invention relates to a method and a device for recycling lithium-ion accumulators comprising one or more cells (13), wherein the cells (13) each contain electrode stacks (15) with strip-like electrodes (16, 19), and the strip-like el...
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WO/2024/090313A1 |
The present invention provides a method for recovering valuable materials from lithium ion secondary batteries, the method comprising: a heat treatment step in which a heat treated material is obtained by subjecting lithium ion secondary...
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WO/2024/087477A1 |
The present invention relates to the technical field of metallurgy, and disclosed are a modified lithium-ion sieve, an MnO2 adsorbent, a preparation method therefor and a use thereof, and a salt lake lithium extraction method. The modifi...
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WO/2024/082063A1 |
A method for direct cathode regeneration from spent lithium-ion batteries. The method includes treating black mass with organic acids to leach the valuable metal elements, and the residual impurities removal by filtration and further tre...
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WO/2024/059557A3 |
Disclosed herein are acid-base leaching methods and systems. Specifically, the systems and methods can include supplying an iron and/or aluminum feed material and an acid to a first reaction chamber; supplying a first leachate comprising...
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WO/2024/080557A1 |
Provided is a method for recycling waste batteries, the method including the steps of: introducing and feeding waste battery raw materials; heating the introduced and fed raw materials; cooling the heat-treated products; and discharging ...
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WO/2024/079439A1 |
A method of treating zinc-containing by-product is provided. The method comprises contacting an aqueous liquid with slag to produce a treatment composition having a pH of from 8 to 11; and contacting the treatment composition with ferrou...
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WO/2024/081797A1 |
Metal recovery and separation systems and methods, and, more particularly, electrothermal chlorination (ETC) and electrothermal carbochlorination (ETCC) methods and systems for the selective metal extraction, such as extraction of critic...
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WO/2024/079236A1 |
A process for recycling carbon and a hardly soluble alkaline earth sulfate from a leaching residue, comprising the steps of contacting in an alkaline earth metal contacting step a lithium battery material with an alkaline earth metal com...
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WO/2024/078885A1 |
The invention relates to a method for the incineration of waste containing fluorine and noble metals in a chamber furnace, the fluorine content of the waste lying in the range of >5 to 70 wt.%, and the noble metal content of the waste ly...
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WO/2024/074783A1 |
The invention relates to the use of a lipophilic derivative of an aminopolycarboxylic acid as an extractant to extract at least one rare earth from an acidic aqueous solution. Applications: production of rare earths from concentrates der...
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WO/2024/073856A1 |
A method of separating one or more metal compounds from a feed material stream that includes one or more metals, includes: subjecting the feed material stream to a metal compound precipitation process to yield a metal compound slurry; an...
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WO/2024/072435A1 |
Recycling of nickel-metal hydride (NiMH) batteries extracts substantially pure nickel based on adding a leach agent to granular cathode material resulting from agitation of the NiMH batteries to form a leach solution. A pH of the leach s...
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WO/2024/065007A1 |
The present invention relates to a method for producing an aluminous material from an aluminium-containing material, in particular a solid waste obtained from the combustion of coal. The method comprises providing an aluminium-containing...
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WO/2024/072434A1 |
A battery recycling process recovers lithium from nickel-rich cathode material in a recycling stream of end-of-life batteries. A dilute acid leach of a high nickel content cathode material contains a mixture of sulfuric acid based on a m...
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WO/2024/064995A1 |
Disclosed herein is a method for recovering metals from electronic waste or a leach residue thereof, the electronic waste or leach residue comprising elemental copper and one or more lithium compounds, the method comprising: leaching the...
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WO/2024/064996A1 |
The invention relates to a method for the recovery of lithium sulfate from an aqueous solution comprising lithium sulfate and ammonium sulfate, the method comprising: concentrating the aqueous solution and forming a lithium ammonium sulf...
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WO/2024/070500A1 |
Provided is a method which makes it possible to suppress wear of a treatment furnace, and to safely and efficiently collect valuable metals from raw materials including waste lithium-ion batteries and the like. This method is for produ...
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WO/2024/072201A1 |
The invention concerns a method for recovering rare earths and calcium sulfate present in a phosphogypsum (P0), comprising the following steps: (a) washing and crushing of the phosphogypsum (P0) so as to obtain a crushed phosphogypsum (P...
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WO/2024/072238A1 |
A method for recovering metals from black mass from recycling of spent lithium-ion batteries, characterized in that it comprises the following steps: a) leaching the black mass with sulfuric acid (VI) with the addition of H2O2 in order t...
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WO/2024/071147A1 |
Provided are a method for removing at least one metal that can effectively remove metals from lithium ion battery waste, and a method for recovering metals. A method for removing at least one metal from lithium ion battery waste, wherein...
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WO/2024/068615A1 |
A process for recycling aluminum hydroxide from a black mass comprising aluminum, the process comprising in the given order the steps of leaching in a first leaching step the black mass in an aqueous acid solution, thereby producing a fi...
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WO/2024/059933A1 |
A process of forming recycled cathode active material, particularly from depleted cathode active material from a battery, comprising: forming black mass from the depleted cathode active material; digesting the black mass with a carboxyli...
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WO/2024/064061A1 |
Described herein are various aspects of systems and methods for extracting and isolating re-usable materials from a metallurgical slags such as iron slag, steel slag, blast furnace slag, BOF slag, and/or EAF slag using aqueous acid and b...
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WO/2024/062155A1 |
The present disclosure relates to methods of extracting rare and precious metals (RPMs) from a substrate, in particular from recyclable materials such as electronic waste and exhaust catalysators. The extraction is based on subjecting re...
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WO/2024/061708A1 |
The invention relates to a feedstock composite comprising a metal oxide fraction and a carbonaceous fraction, a binder composition and the use thereof for obtaining the feedstock composite. Further, the invention refers to a method for o...
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WO/2024/062905A1 |
Provided is a method capable of suppressing generation of dust during handling of a mixed powder of positive electrode active material and negative electrode active material, which is the raw material to be processed in the method for re...
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WO/2024/055071A1 |
A method of recycling a waste battery cathode material comprising lithium and at least one of nickel, cobalt and/or manganese, the method comprising: heating the waste battery cathode material in a reducing atmosphere to form a heat-trea...
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WO/2024/055549A1 |
Disclosed in the present invention are a method for recycling a positive electrode material from scrapped positive electrode sheets by desorption and an application. The method comprises the following steps: (1) placing scrapped positive...
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WO/2024/059557A2 |
Disclosed herein are acid-base leaching methods and systems. Specifically, the systems and methods can include supplying an iron and/or aluminum feed material and an acid to a first reaction chamber; supplying a first leachate comprising...
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WO/2024/058600A1 |
The present invention provides an apparatus for vertical recycling waste batteries, the apparatus comprising: a heating unit for heating objects located inside an operation unit; and a control unit for controlling the operation of the he...
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WO/2024/057307A1 |
The invention provides a process which comprises the steps of obtaining a strongly acidic pregnant leach solution ( PLS ) that was produced by acid leaching of electrode material of lithium- ion batteries; adding a carbonate source to th...
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WO/2024/058603A1 |
The purpose of the present invention is to recover valuable metals by heating objects located inside a work unit. The work unit heat-treats the objects under a mixed reducing gas atmosphere in which log(PCO2/PCO), the logarithm of the pa...
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WO/2024/057736A1 |
Provided is a method for recovering nickel, cobalt, and manganese from a compound including metal oxides of nickel, cobalt, and manganese in which the concentration of manganese in recovered materials is kept low while increasing the con...
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WO/2024/052439A1 |
The invention relates to a device for the pyrometallurgical CO2-neutral production of copper from a copper-containing starting material. According to the invention, during the melting and/or reduction process, a hydrogen-containing gas i...
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WO/2024/053596A1 |
(Problem) The purpose of the present invention is to provide a method for recovering rare-earth elements comprising, while recovering scandium from iron and steel slag, crudely separating scandium and a rare-earth element other than scan...
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WO/2024/053147A1 |
A method for recovering a metal from a battery powder of waste lithium ion batteries, wherein a metal-containing solution that is obtained by leaching the battery powder contains lithium ions, magnesium ions, and at least one kind of met...
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WO/2024/048573A1 |
This method for producing a positive electrode active material comprises the following steps. (1) a step in which an activation agent containing at least one compound that is selected from the group consisting of a potassium compound and...
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WO/2024/048564A1 |
An active material according to the present invention comprises: at least one element M selected from the group consisting of nickel, cobalt, manganese, and lithium; and an element X differing from the element M. The element X is at leas...
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WO/2024/048249A1 |
To provide a method whereby a valuable metal can be efficiently recovered from a waste lithium-ion battery, the present invention is a method for recovering a valuable metal from a waste lithium-ion battery, and comprises an oxidation ro...
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WO/2024/046656A1 |
The invention relates to a process for the selective heavy metal removal from iron- and/or steelmaking flue dust, the process comprising the steps of: preparing a feedstock (FS) by blending or mixing a chloride precursor material (CPM) a...
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WO/2024/045530A1 |
Disclosed in the present invention is a method for recovering nickel. The method comprises the following steps: S1, mixing a nickel-containing waste residue and a leaching agent, carrying out solid-liquid separation, and collecting a sol...
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WO/2024/047553A1 |
The invention relates to a device (20) for the gaseous extraction of reducible constituents (21) from a starting material (22), comprising: a gas-tight reactor body which is at least partly made of fire-proof material (26) and has a mate...
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WO/2024/048247A1 |
To provide a method of recovering, at low cost, valuable metals from waste lithium-ion batteries by a dry smelting process. The present invention is a method of recovering valuable metals from waste lithium-ion batteries, the method co...
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WO/2024/048186A1 |
Provided is a method that is for treating a battery member containing a sulfide, and that is capable of effectively removing hydrogen sulfide generated when the battery member is brought into contact with a treatment liquid. The method...
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WO/2024/048248A1 |
Provided is a method for cost-effectively recovering valuable metals from waste lithium-ion batteries through a pyrometallurgical process. The present invention pertains to a method for recovering valuable metals from waste lithium-ion...
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WO/2024/048590A1 |
This method for producing a positive electrode active material comprises the steps described below. (1) A mixture is obtained by mixing an activation agent which contains one or more alkali metal compounds into an electrode mixture which...
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