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Matches 1 - 50 out of 9,476

Document Document Title
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  

Matches 1 - 50 out of 9,476