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WO/2022/168805A1 |
The present invention has: a heating step (S3) for heating a battery slag (M1) having a positive-electrode active material that includes one or both of Ni and Co and a negative-electrode active material that includes graphite, and thereb...
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WO/2022/166476A1 |
Disclosed are a method for extracting nickel from nickel-containing iron powder and preparing iron phosphate, and an application. The method comprises the following steps: (1) adding sulfuric acid and phosphoric acid into nickel-containi...
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WO/2022/160493A1 |
The present invention belongs to the field of nonferrous metallurgy. Disclosed are a recovery method and the use of a crude ferro-nickel alloy. The recovery method comprises the following steps: crushing and ball-milling crude ferro-nick...
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WO/2022/161087A1 |
The present invention belongs to the field of hydrometallurgy. Disclosed are a method for separating nickel and iron from a nickel-iron alloy and use. The method comprises the following steps: dissolving a nickel-iron alloy in an acid so...
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WO/2022/163179A1 |
Provided is a method with which it is possible to inexpensively recover a valuable metal.　The present invention is a method for recovering a valuable metal, the method including the following steps: a readying step for readying a charg...
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WO/2022/140863A1 |
Processes and methods for refining ferronickel alloy, and producing nickel sulfate or other nickel product, are provided, where the ferronickel alloy is treated with an oxidizing leach. The oxidizing leach may be, for example, a pressure...
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WO/2022/138239A1 |
Provided is a method with which it is possible, when manufacturing an ore slurry containing a metal ore such as nickel oxide ore as a raw material, to obtain an ore slurry in which the solid content and the slurry density are raised with...
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WO/2022/140461A1 |
A method for recovering the valuable materials from energy storage devices (e.g., spent rechargeable lithium batteries, especially those batteries using nickel-based or nickel and cobalt containing cathode materials) are described. In pa...
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WO/2022/126761A2 |
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WO/2022/128491A1 |
The present invention relates to a method for producing a recycled catalyst comprising at least one group VIB metal M1 and/or at least one group VIII metal M2, optionally phosphorus and/or sulphur, and a carrier based on oxide(s). The me...
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WO/2022/130793A1 |
The present invention provides a method for processing lithium ion battery waste, said method being capable of effectively precipitating aluminum ions and iron ions in a liquid by means of neutralization and being capable of relatively e...
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WO/2022/118743A1 |
Provided is a method for preparing a nickel oxide ore slurry with which it is possible to wet-sift a nickel oxide ore to efficiently separate an ore slurry collected on the minus-sieve side by sedimentation.　The present invention is a ...
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WO/2022/110821A1 |
Disclosed are a carboxylic acid compound as represented by formula I, a preparation method therefor and the use thereof. When the carboxylic acid compound is used as an extraction agent for the extraction and separation of metal ions, th...
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WO/2022/104427A1 |
A process for recovery of one or more target metals, selected from precious metals and chalcophile metals as respectively herein defined, from materials containing precious and/or chalcophile metal/s, said process including: (i) leaching...
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WO/2022/094706A1 |
A treatment process for crystallizing a metal sulfate involving pre-treating a feedstock comprising calcium, magnesium, and/or lithium impurities, the pre-treating involving pre-leaching the feedstock in the presence of a lixiviant, sele...
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WO/2022/088641A1 |
The present invention relates to the technical field of resource recovery, and discloses a non-full extraction battery recovery method, comprising the following steps: introducing pre-treatment gas into a device containing waste battery ...
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WO/2022/089203A1 |
An extraction method for removing aluminum from a leaching solution of a ternary battery material, comprising the following steps: (1) saponification: mixing an extraction solvent and a saponifier together to obtain a saponified extracti...
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WO/2022/087063A1 |
A process which improves the environmental performance of primary non-ferrous metal smelters by reducing carbon emissions, providing enhanced energy utilization, improving consumption efficiencies, and improving worker safety. The smelte...
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WO/2022/081411A1 |
The present disclosure provides a method of recovering copper, molybdenum, and a precious metal value from a metal-bearing material, the method comprising bulk flotation of the metal-bearing material to form a flotation product, wherein ...
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WO/2022/081413A1 |
The present disclosure provides a method of recovering copper, molybdenum, and a precious metal value from a metal-bearing material, the method comprising bulk flotation of the metal-bearing material to form a flotation product, wherein ...
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WO/2022/077112A1 |
Processes are provided for treating mineralized silicates by selective leaching of Ni and Co values carried out in concert with sequestration of gaseous CO2 as mineral carbonates. These processes may be applied to extract Ni and Co value...
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WO/2022/065702A1 |
A method for recovering active metals of a lithium secondary battery comprises the steps of: collecting a cathode active material mixture from the cathode of the lithium secondary battery; subjecting the cathode active material mixture t...
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WO/2022/057412A1 |
The present application provides a method for separating nickel from lithium, comprising: (1) performing a saponification reaction on an extraction reagent and an alkaline compound to obtain a saponified extraction agent, wherein the ext...
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WO/2022/050248A1 |
This method comprises: a heat treatment step (S1) wherein a heat treatment is carried out by heating a lithium ion secondary battery; a grinding and sorting step (S2) wherein the lithium ion secondary battery after the heat treatment is ...
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WO/2022/044934A1 |
Provided are: an alloy powder in which nickel and cobalt can be easily dissolved in an acid and stably leached with an acid; a manufacturing method with which an alloy powder that enables stable acid leaching can be obtained at low cost;...
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WO/2022/044931A1 |
Provided is a technique for obtaining metal powder having little variation in particle size by stabilizing the supply amount of molten metal when manufacturing the metal powder by means of atomization.　The present invention is an atomi...
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WO/2022/042228A1 |
The present invention relates to a method for recycling iron and aluminum in a nickel-cobalt-manganese solution. The method comprises the following steps: leaching a battery powder and removing copper therefrom to obtain a copper-removed...
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WO/2022/045557A1 |
A method for recovering an active material from cathode scraps and reusing same is provided. A cathode active material reuse method of the present invention obtains a reusable active material through the steps of: (a) heat treating, in a...
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WO/2022/037404A1 |
Disclosed is a method for producing a battery-grade nickel sulfate by means of laterite nickel ore. The method comprises the following steps: a laterite nickel ore is sorted to obtain a lump ore and a mud and sand ore; the lump ore is cr...
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WO/2022/039436A1 |
A method for recovering an active metal of a lithium secondary battery comprises the steps of: preparing a cathode active material mixture from a cathode of a waste lithium secondary battery; fluidizing the cathode active material mixtur...
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WO/2022/039039A1 |
Provided is a method for treating sulfide suitable for obtaining nickel and/or cobalt from sulfide containing copper and nickel and/or cobalt.　A method for treating sulfide containing copper and nickel and/or cobalt, the method compris...
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WO/2022/038337A1 |
A method is described for recycling nickel from waste battery material. The method includes providing waste battery material comprising a nickel-containing oxide, reducing the nickel in the waste battery material to the zero oxidation st...
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WO/2022/032344A1 |
The present disclosure relates generally to processes for the selective separation and recovery of metal values from process liquors. More specifically, the present disclosure relates to processes for the selective recovery of mixed meta...
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WO/2022/034401A1 |
A process is described for recovering cobalt and/or manganese from a residue from a catalytic oxidation process for producing an aromatic polycarboxylic acid, wherein the residue comprises water-soluble cobalt and/or manganese compounds ...
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WO/2022/019172A1 |
The present invention provides a method for recovering a valuable metal with high efficiency, while suppressing refractory erosion in a furnace and efficiently removing impurity metals in cases where a valuable metal is recovered from a ...
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WO/2022/009657A1 |
The present invention provides a method capable of precisely controlling the oxygen partial pressure required when raw materials are melted, and thereby more efficiently recovering valuable metals.　Provided is a method for recovering v...
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WO/2022/009656A1 |
The present invention provides a method which is capable of more strictly controlling the oxygen partial pressure required during the melting of a starting material, thereby being capable of recovering a valuable metal more efficiently.ã...
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WO/2022/009004A1 |
A process for generating a metal sulfate that involves crystallizing a metal sulfate from an aqueous solution to form a crystallized metal sulfate in a mother liquor with uncrystallized metal sulfate remaining in the mother liquor; separ...
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WO/2022/009742A1 |
The purpose of the present invention is to provide a method whereby an oxygen partial pressure required for the melting of a raw material can be controlled accurately and thereby a valuable metal can be recovered more efficiently.　Prov...
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WO/2022/010975A1 |
A process for recovering a nickel cobalt manganese hydroxide from recycled lithium-ion battery (LIB) material, such as black mass, black powder, filter cake, or the like. The recycled LIB material is mixed with water and either sulfuric ...
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WO/2022/003198A1 |
The present disclosure is directed to processes for separating a mixture of oxalates of two or more of Ni (nickel), Co (cobalt) and Mn (manganese). Such processes are useful, for example, to separate recovery of two or more of Ni, Co and...
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WO/2022/000881A1 |
Provided are a carboxylic acid compound of formula I, and a preparation method therefor and application thereof. When being applied to the extraction and separation of metal ions, the carboxylic acid compound can achieve a high separatio...
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WO/2022/000830A1 |
A method and device for recycling a cobalt metal in a lithium-ion battery waste. The recycling method comprises the following steps: step one, mixing a solid waste with an alkali metal solution, fully reacting the mixture, and chelating ...
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WO/2021/238738A1 |
Disclosed are applications of a carboxylic compound serving as an extracting agent and a metal ion extraction method. The carboxylic compound is provided with the structure as represented by formula I. The extracting agent as represented...
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WO/2021/241742A1 |
The present invention relates to a method for separating and recovering a cobalt salt and a nickel salt, the method including a separation step for separating a cobalt salt and a nickel salt from a rare metal-containing aqueous solution ...
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WO/2021/226719A1 |
A green chemistry hydrometallurgical process for recovering one or more metals from a metal-containing material includes leaching the metal-containing material with formic acid, obtaining a leachate comprising the one or more metals as o...
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WO/2021/217220A1 |
Disclosed herein is a method for reducing a metal oxide in a metal oxide containing precursor. The method comprises providing a reaction mixture comprising the metal oxide containing precursor and an aluminium reductant; heating the reac...
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WO/2021/215484A1 |
The present invention pertains to a method for recovering a rare metal salt, the method comprising: an acid treatment step for obtaining a rare metal-containing acidic aqueous solution by putting a material containing monovalent and poly...
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WO/2021/215520A1 |
A method for producing a metal mixture solution which contains manganese ions, and cobalt ions and/or nickel ions, said method comprising: an Al removal step wherein aluminum ions are removed from an acidic solution, which is obtained by...
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WO/2021/205903A1 |
The purpose is to provide a method for recovering a valuable metal at low cost.　The present invention is a method for recovering a valuable metal, the method comprising a step of preparing a burden material containing at least a valuab...
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