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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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WO/2024/048589A1 |
This production method for a positive electrode active material comprises the following steps. (1) A step for bringing an electrode mixture containing a positive electrode active material, a binder member, and an electrolyte into contact...
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WO/2024/046889A1 |
The present invention relates to a method for reconditioning lithium-containing energy accumulators, the method comprising at least the following method steps: i) possibly pretreating the lithium-containing energy accumulator, with the p...
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WO/2024/047281A1 |
The present invention relates to a method for recovering lithium from a stream containing lithium, the method comprising contacting the stream, or a pre-treated solution obtained from said stream, with an aluminium-containing material to...
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WO/2024/042233A1 |
The invention relates to a method for treating used cathode material (200) from used lithium-ion batteries and/or reject cathode material (200.1) from defectively produced and unused lithium-ion batteries to produce a recycled cathode ma...
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WO/2024/043332A1 |
[Problem] The purpose of the present invention is to provide: an iron and steel slag modification method which is capable of modifying iron and steel slag so that a specific mineral phase of the iron and steel slag contains a rare earth ...
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WO/2024/040910A1 |
Disclosed is a method for recovering valuable metals from a waste lithium-ion battery. The method comprises the following steps: S1: discharging the waste lithium-ion battery in a discharge solution containing sulfate, then mixing with s...
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WO/2024/043046A1 |
A method for fixing carbon dioxide according to an embodiment of the present invention comprises: a flow-through step for allowing a polyol compound-containing solvent to flow through a slag layer formed by filling a vessel with a calciu...
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WO/2024/042115A1 |
The present invention provides a process for preparing a high-purity nickel sulphate solution, comprising the steps of: i. forming an aqueous mixed metal sulphate solution by reacting sulphuric acid with a raw material feed comprising ni...
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WO/2024/042225A1 |
The invention relates to a method for separating the components of assemblies containing solder by oxidizing Fe(II) to Fe(III) by means of at least one Fe(II)-oxidizing microorganism and by at least partially leaching solder, wherein Fe(...
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WO/2024/037272A1 |
A leaching method for a ternary battery powder, which method comprises the following steps: the formulation of a reaction slurry, dechlorination, fluorine removal, alkali leaching, roasting, water leaching and high-pressure leaching, whe...
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WO/2024/037305A1 |
A method for recovering a waste lithium-aluminum-silicon glass ceramic, which method comprises the following steps: subjecting the waste lithium-aluminum-silicon glass ceramic to ball milling, so as to obtain a glass powder; formulating ...
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WO/2024/037659A1 |
The present disclosure relates to a method for preparing high-nickel matte by combining ternary iron-aluminum slag with a laterite-nickel ore, and belongs to the technical field of nickel matte preparation. The method comprises the follo...
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WO/2024/033477A1 |
The present invention relates to waste treatment and provides a process for depletion of zinc from Zn-coated Fe by subjecting the Zn-coated Fe to a leaching step in an acidic solution comprising Fe3+ to provide an acidic solution contain...
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WO/2024/032804A1 |
The present invention belongs to the technical field of solid waste resource utilization, and provides a method for extracting zinc and enriching iron in cooperation with the consumption of CO2 by means of the hot alkali dissolution of m...
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WO/2024/034327A1 |
Provided is a treatment method for obtaining a solution, that contains nickel and/or cobalt, from a waste battery. The invention comprises executing, in the stated order: 1) a pre-treatment step for detoxifying a waste battery and crus...
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WO/2024/026711A1 |
The present invention relates to a high-performance and low-cost die-casting aluminum alloy material produced from fully recycled materials and a preparation method therefor. The alloy comprises the following components, in percentages b...
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WO/2024/030253A1 |
Methods of solvent extraction are provided, including methods that exhibit improved phase disengagement times or reduced crud. The methods may include contacting an aqueous phase with a phase disengagement agent. The phase disengagement ...
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WO/2024/029355A1 |
Provided is a noble metal recovery kit that is capable of recovering highly pure noble metal from a metal secondary resource in a simple and energy-saving manner. A noble metal recovery kit according to the present disclosure is for re...
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WO/2024/026575A1 |
A method for producing supplementary cementitious material. The method comprises contacting a mineral stream with an acid to form an activated mineral stream; reducing the moisture content of the mineral stream; and comminuting the miner...
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WO/2024/029129A1 |
According to the present invention, a dust D containing zinc is indirectly heated in a rotating rotary kiln 10, thereby gasifying the zinc contained in the dust; a treated gas G containing the gasified zinc is sucked by a suction tube 30...
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WO/2024/020628A1 |
A method of recycling one or more valuable metal elements from a solid source material comprising the one or more valuable metal elements and fluorine, the method comprising: forming an acidic aqueous recycling feed by acid leaching the ...
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WO/2024/023055A1 |
The present invention relates to a new hydrometallurgical process for recovering palladium from a spent catalyst, wherein a specific order of multiple process-steps is carried out.
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WO/2024/021237A1 |
A recovery method for lithium iron phosphate. The method specifically comprises: mixing lithium iron phosphate and an acidic solution to prepare a slurry, mixing and leaching the resulting slurry and an oxidizing agent, and collecting a ...
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WO/2024/021290A1 |
The present invention relates to relates to the technical field of lithium battery recovery. Disclosed are a waste lithium battery leachate treatment method and a waste lithium battery recovery method. Iron-aluminum slag generated in the...
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WO/2024/020653A1 |
Microbial-assisted heap leaching of fragments or agglomerates of fragments of copper- containing sulfidic ores, such as chalcopyrite ores, and copper-containing sulfidic waste materials is disclosed. A heap leaching method includes contr...
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WO/2024/017929A1 |
The present disclosure relates to a recovery system for recovering volatile precious metals from a gas phase, particularly for selectively recovering Pt and/or Pd, but not Rh from a gas phase. The recovery system is characterized in that...
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WO/2024/018232A1 |
A method of recycling lead-containing waste, the method comprising: providing a slurry of a lead-containing waste, the lead-containing waste comprising lead sulphate; passing the slurry through a comminution unit while controlling the pH...
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WO/2024/017928A1 |
The present disclosure relates to a method for selectively recovering Pd, Pt, or a combination of Pd and Pt from a gas phase comprising volatile precious metals. The method comprises the step of contacting the gas phase comprising volati...
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WO/2024/014540A1 |
Provided are a method for removing impurities that can effectively remove impurities such as fluoride ions, and a method for recovering metals. The method for removing impurities from a metal-containing solution obtained by leaching batt...
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WO/2024/014520A1 |
Provided are a method for removing aluminum which can effectively remove aluminum, and a method for recovering metals. A method for removing aluminum includes a leaching step of bringing a raw material obtained from lithium ion battery w...
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WO/2024/014521A1 |
Provided are a method for removing aluminum which can effectively remove aluminum, and a method for recovering metals. A method for removing aluminum includes: a leaching step of bringing a raw material, the raw material having battery p...
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WO/2024/011760A1 |
Disclosed are a PLGlu-SS-lithium ion sieve composite material, a preparation method therefor, and a use thereof. The composite material comprises an H3LiMnTi4O12 lithium ion sieve and a gamma-polyglutamic acid compounded with the H3LiMnT...
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WO/2024/014144A1 |
Provided is a method for recovering valuable materials from lithium ion secondary batteries, said method comprising: a heat treatment step for obtaining a heat-treated material by subjecting a lithium ion secondary battery to a heat trea...
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WO/2024/011796A1 |
Provided in the present invention is a lithium adsorption material, which is a hydroxyl synthetic salt with a porous structure and a molecular formula of DG3(TO4)2(OH)6 or DG3(TO4)2(OH,H2O)6, where D represents a cation with a coordinati...
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WO/2024/014541A1 |
Provided is a method for recovering metals, which can produce a lithium hydroxide solution from a metal-containing solution and appropriately process the impurities separated at that time. The method for recovering metals from battery po...
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WO/2024/014522A1 |
Provided is a method for recovering metals, which can produce a lithium hydroxide solution from a metal-containing solution and appropriately process the impurities separated at that time. The method for recovering metals from battery po...
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WO/2024/008789A1 |
The present invention relates to a method for recovering bismuth (Bi) from a solid impurity stream generated during the pyrometallurgical production of copper, wherein the method comprises the steps of leaching the solid impurity stream ...
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WO/2024/009695A1 |
The present invention provides a method for removing zinc, the method being capable of removing zinc by determining the heating temperature of a galvanized steel sheet, while taking the oxidation of lead into consideration. The present...
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WO/2024/010474A1 |
A method for the recovery of metals from metallurgical waste, especially zinc and iron from dusts is characterized in that the zinc-bearing dusts are granulated with the addition of a reducing agent (coal dust, carboniser, fly ash) in an...
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WO/2024/004356A1 |
This method for heat-treating lithium-ion battery waste includes: a battery-heating step for heating the lithium-ion battery waste in a heat treatment furnace; and a gas combustion step for feeding generated gas generated in the heat tre...
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WO/2024/000842A1 |
Disclosed in the present invention is a method for purifying a leachate from ternary lithium battery recovery, the method comprising the following steps: (1) subjecting a leachate from ternary lithium battery recovery to primary heating,...
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