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WO/2024/058374A1 |
A method for recovering an active metal of a lithium secondary battery being capable of supplying a positive electrode active material mixture to a fluidized bed reactor including a reactor body. It is possible to form a fluidized bed co...
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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/2024/059585A2 |
A method for recovering elements from a waste material is disclosed, such as a black mass from spent Li-ion batteries, comprising thermally treating a solid waste material comprising carbon, at least one alkali metal, and one or more of ...
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WO/2024/058215A1 |
The present invention provides: a method for separating and recovering metal ions, wherein an aqueous phase that contains two or more kinds of metal ions in different groups, the metal ions being selected from among those of the fourth t...
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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/2024/053487A1 |
This metal recovery agent comprises a reducing compound which is represented by chemical formula (1), and causes a metal to precipitate by means of reduction caused by the reducing compound. In chemical formula (1), R1 represents CH3 or ...
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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/2024/048564A1 |
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/2024/045530A1 |
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/2024/046244A1 |
The present disclosure relates to the technical field of nickel smelting. Disclosed are a method and apparatus for producing a high-nickel matte from a low-nickel matte. The method comprises: continuously introducing a solid low-nickel m...
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WO/2024/040900A1 |
A continuously operating system for separating and enriching cobalt from a high-impurity content cobalt solution, and a method therefor, the continuously operating system adopting a novel internal switching multi-way valve design concept...
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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/2024/036914A1 |
A washing technological process for increasing the nickel-cobalt separation rate of a nickel adsorption resin. The washing technological process comprises the following steps: (1) introducing a nickel-cobalt sulfate solution containing i...
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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/2024/031789A1 |
A method for producing high-nickel matte by means of reduction sulfidation smelting of laterite-nickel ore, comprising: mixing laterite-nickel ore with a reducing agent, a sulfidizing agent and a flux to prepare pellets, and performing s...
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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/2024/026998A1 |
A method for treating laterite nickel ore by means of an oxygen-enriched side blowing furnace, belonging to the technical field of smelting. The method comprises the following steps: reducing and sulphurizing in an oxygen-enriched side b...
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WO/2024/024589A1 |
Provided is a valuable element recovery method that can recover not only valuable elements but also lithium. The recovery method involves: adding, to oxides including lithium and at least one element selected from the group consisting of...
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WO/2024/021229A1 |
A method for removing chromium during smelting of a laterite nickel ore to ferronickel, comprising the following steps: (1) carrying out ore washing on a laterite nickel ore, performing separation to obtain mineral slurry and an ore, add...
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WO/2024/024585A1 |
The present invention provides a method for recovering a valuable element, the method being capable of selectively recovering Ni and Co. With respect to the above-described recovery method, a reducing agent and a slag making agent which ...
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WO/2024/024930A1 |
The purpose of the present invention is to reduce the amount of neutralizing agent used in a hydrometallurgical process of nickel oxide ore without lowering the recovery of nickel. The present invention provides a hydrometallurgical me...
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WO/2024/018692A1 |
Provided is a method for smelting nickel-containing oxide ore for which the generated amount of CO2 is reduced and the nickel recovery rate is high. The present invention is a method for smelting nickel-containing oxide ore, comprising...
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WO/2024/012957A1 |
The invention describes a method for obtaining a refractory metal, which is obtained by means of the following steps: - providing a comminuted starting material of or with the metal to be obtained in oxidically bound form, - providing a ...
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WO/2024/000818A1 |
Disclosed in the present invention is a recovery method for spent lithium battery materials. The recovery method comprises the following steps: (1) subjecting a battery powder obtained by disassembling cells of spent lithium batteries to...
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WO/2023/249649A2 |
A hydrometallurgical process is described that can isolate and recover NIMH battery constituents in high-value form: the nickel and cobalt hydroxides (cathode) as nickel and cobalt hydroxides; elemental nickel and cobalt (metallic anode)...
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WO/2023/243337A1 |
The present invention provides: a technology for producing a metal by means of the reduction of a metal compound, while suppressing a carbon dioxide gas to be discharged into the environment as much as possible, the technology being capa...
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WO/2023/244094A1 |
A method for recovery of valuable metals from spent secondary batteries, according to one embodiment of the present invention, comprises: a pretreatment step of pretreating the spent secondary batteries; a melting step of generating melt...
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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/2023/245183A2 |
The present disclosure relates to methods and materials for leaching and recovering metals from oxide ores.
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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/2023/229045A1 |
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/2023/223144A1 |
The present invention relates to a dry process for recycling lithium-ion rechargeable batteries, lithium-polymer rechargeable batteries and nickel-metal hydride rechargeable batteries and for directly recovering cobalt, lithium, nickel, ...
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WO/2023/224907A1 |
A method of obtaining an electrode metal from an electrode of a lithium-ion (Li-ion) battery includes separating an electrode portion from a spent Li-ion battery. A leaching solvent is contacted to the separated electrode portion to form...
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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/2023/217710A1 |
The present invention lies in the field of pyrometallurgy and discloses a process and a slag suitable for the recovery of Ni and Co from Li-ion batteries or their waste, particularly from Black Mass. The slag composition is defined accor...
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WO/2023/209567A1 |
Processes are provided in which successive steps of hydrometallurgical value extraction may be carried out using the products of carbon capture and an electrolytic reagent-generating process. The electrolytic process provides an acid lea...
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WO/2023/195533A1 |
The present invention provides a method for recovering a valuable metal from waste lithium ion batteries, the method being capable of recovering lithium at a high recovery rate, and enabling recycling of resources. A method for recoverin...
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WO/2023/190908A1 |
This method for separating cobalt and nickel comprises: a step (S3) for immersing an electrode material for a lithium-ion secondary battery in a processing liquid including sulfuric acid and hydrogen peroxide to obtain a leeching solutio...
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WO/2023/191030A1 |
Provided is an electrode material leaching method for performing acid leaching on an electrode material of a lithium-ion secondary battery, the electrode material leaching method being characterized in that: the electrode material leachi...
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WO/2023/189211A1 |
This cobalt and nickel recovery method comprises: a pretreatment step for removing either/both copper ions or/and iron(III) ions contained in a raw solution containing either/both cobalt or/and nickel; and a xanthate treatment step for a...
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WO/2023/189436A1 |
A method for leaching at least one metal in battery powder containing at least copper and one or more of cobalt and nickel, the method including a leaching process repeating multiple times, wherein the leaching process includes: a first ...
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WO/2023/188489A1 |
This method for leaching metals in a battery powder containing at least copper as well as cobalt and/or nickel has a leaching process repeated a plurality of times. The leaching process includes: a first leaching step for leaching the me...
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WO/2023/165780A1 |
The invention relates to a method for recycling components of electrochemical energy stores, namely batteries with electrodes, which have electrode carrier foils and electrode coatings applied thereon, the method comprising the steps of:...
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WO/2023/162361A1 |
Provided is a method by which it is possible to safely and efficiently collect valuable metals from raw material including waste lithium-ion batteries or the like. The present invention is a method for producing, from raw materials con...
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WO/2023/157378A1 |
An aluminium removal method, comprising: a leaching step in which battery powder obtained from lithium-ion battery waste and containing at least one of aluminium, nickel and cobalt is leached with an acid to obtain a leached solution, wh...
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WO/2023/157397A1 |
Provided is a method by which it is possible to safely and efficiently collect valuable metals from raw material including waste lithium-ion batteries or the like. The present invention is a method for producing valuable metals from ra...
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WO/2023/150855A2 |
The present invention relates to a method of recovering materials derived from nickel ore, involving a method for obtaining nickel ore concentrate and a method for processing said concentrate, whereby nickel ore can be processed in an ef...
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WO/2023/139230A1 |
The invention relates to a process for preparing an iron-nickel-molybdenum alloy and V2O5 from a material comprising Fe2O3 and a material that is to be upgraded and comprises MoO3, NiO, V2O5 and phosphorus, preferably roasted or regenera...
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