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WO/2023/079851A1 |
An object of the present invention is to provide a method for removing impurities that is capable of efficiently removing impurities mixed in aluminum or an aluminum alloy while reducing the environmental load. A method for removing impu...
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WO/2023/077841A1 |
A vanadium extraction and medium recycling method based on the carbonation leaching of vanadium slag, comprising the following steps: S1, roasting to prepare a powdered clinker; S2, preparing a concentrated solution and a deamination sol...
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WO/2023/079834A1 |
A method for producing a cobalt solution which involves removing magnesium ions from a cobalt-containing solution which contains magnesium ions and is obtained by subjecting battery powder from lithion-ion battery waste to at least a lea...
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WO/2023/079055A1 |
The present invention relates to a method for extracting at least one lanthanide element, preferably selected from lanthanum (La), praseodymium (Pr), neodymium (Nd), europium (Eu), dysprosium (Dy), and ytterbium (Yb), from a solid materi...
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WO/2023/072310A1 |
Disclosed in the present invention are an Acidomyces acidothermus strain and the use thereof in the leaching of a copper-containing pollutant of waste circuit boards, belonging to the technical field of bioleaching. In the present invent...
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WO/2023/070556A1 |
A method for removing thallium from leach liquor of ash of a lead smelting bottom-blown converter, comprising the following steps: S1, adding excessive potassium permanganate to an aqueous extract of ash of a lead smelting bottom-blown c...
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WO/2023/070801A1 |
Disclosed is a recovery method for valuable components of waste lithium-ion batteries. Lithium battery materials such as a lithium battery cell, a soft-pack battery, a mobile phone battery, and a 18650 small cylinder are directly pyrolyz...
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WO/2023/071353A1 |
Disclosed is a method for removing fluorine in a positive electrode leachate of lithium batteries, comprising: adding acid and an oxidizing agent to battery powder for leaching, and removing impurities from the obtained leachate to obtai...
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WO/2023/073257A1 |
Equipment and process for cooling and separating aluminium dross, comprising a dross extraction tray for collecting aluminium dross from the door of a melting furnace, a duct and a vibrating elevator transporting the dross to a cooling t...
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WO/2023/065571A1 |
Disclosed are a system and method for disposing a solid waste and a hazardous waste, and melting and recycling metals. The system comprises a high-temperature melting system. A material inlet is provided on the high-temperature melting s...
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WO/2023/068525A1 |
The present invention relates to a method for regenerating a positive electrode active material and a positive electrode active material regenerated therefrom, the method comprising the steps of: (a) recovering a positive electrode activ...
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WO/2023/069777A1 |
A method of preparing metal hydroxides from industrial wastes or alkaline rocks is provided. The method comprise subjecting a mixture comprising a solvent and a solid substrate to a stimulus in order to leach a metal cation from the soli...
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WO/2023/069325A1 |
A method for beneficiation of mineralogical materials that comprises using a one or more of a suite of processes including fluidized bed separation, plasma-based stimulation or enhancement of chemical reactions using a Reactive X-Ray Che...
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WO/2023/026287A9 |
The present invention relates to a hydrometallurgical method for removing metals from used Li-ion batteries by dismantling and disassembling all types of Li-ion batteries, mechanical physical destruction of the batteries and separation o...
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WO/2023/061389A1 |
Provided is a recovery method for valuable metal in copper anode mud, which belongs to the technical field of comprehensive treatment of copper anode mud. In the recovery method of the present invention, selenium, copper, tellurium, arse...
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WO/2023/063677A1 |
The method for recovering lithium hydroxide from a lithium secondary battery allows a powder comprising lithium and valuable metals to be prepared from the lithium secondary battery. The powder is reduced so as to form a preliminary prec...
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WO/2023/057905A1 |
The present invention relates to the production and concentration of lithium and potassium from natural sources, in particular from clays from salt flats.
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WO/2023/056724A1 |
The present invention discloses a treatment system and treatment method for intermediate materials of tin smelting. The treatment system comprises: a fuming furnace, a settling electric furnace, a lean-slag water quenching pool, a matte ...
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WO/2023/054618A1 |
Provided is a method for dissolving battery powder in hydrochloric acid, whereby a large amount of battery powder can be dissolved in hydrochloric acid after a single treatment and excellent workability is achieved. In this method for di...
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WO/2023/054120A1 |
Provided is a method for separating and recovering metal ions wherein an oil phase containing an extraction agent is mixed with an aqueous phase that contains at least two metal ion species including a group 3 to group 16 metal ion and t...
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WO/2023/054159A1 |
Provided is a method for efficiently obtaining a solution containing nickel and/or cobalt from alloys containing nickel and/or cobalt and copper, such as waste lithium-ion batteries. The present invention pertains to an alloy treatment...
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WO/2023/051017A1 |
Disclosed in the present invention is a method for recycling a retired lithium-ion battery. The method comprises the following steps: wrapping and clamping a positive electrode sheet of a retired lithium-ion battery with a conductive and...
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WO/2023/054621A1 |
Provided is a method by which high-purity valuable metals can be recovered from a waste lithium-ion battery. A method for recovering a valuable metal from a waste lithium-ion battery comprises: a dissolution step for dissolving an active...
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WO/2023/054227A1 |
The present invention provides a method for leaching lithium, the method enabling the achievement of a lithium compound that has a purity sufficient for use in batteries by leaching lithium from lithium titanium oxide that is contained, ...
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WO/2023/054667A1 |
Provided is a method for recovering lithium from waste lithium-ion batteries, that facilitates lithium recovery at a high recovery rate and facilitates recycling of resources. In this method for recovering lithium from waste lithium-ion ...
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WO/2023/050802A1 |
The present invention belongs to the technical field of lithium battery recovery. Disclosed is a method for separating and recovering valuable metals from waste ternary lithium batteries. The method comprises the following steps: adding ...
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WO/2023/047139A1 |
The present invention relates to compositions and processes for the extraction of metals from solid material using non-aqueous solvents and oxidisers. The processes and compositions of the present invention are useful for selectively ext...
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WO/2023/045331A1 |
The present invention relates to the field of lithium-ion battery recovering. Disclosed is a method for selectively recovering a valuable metal in a waste lithium battery. The method comprises the following steps: adding a sulfur-contain...
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WO/2023/044537A1 |
A process for extracting values from a leach residue from lithium extraction comprising: (a) mixing the leach residue with a chloride containing compound to form a first mixture; (b) calcining the first mixture to form a calcined mixture...
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WO/2023/048196A1 |
Provided is a treatment method for chlorine gas whereby chlorine gas generated when a battery powder is dissolved in hydrochloric acid to leach a valuable metal using the hydrochloric acid can be rendered harmless or used effectively. Th...
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WO/2023/045646A1 |
Disclosed in the present invention is a method for recycling lithium and nickel-cobalt-manganese from battery waste, comprising five steps of: (1) reduction roasting, (2) ball milling and water washing, (3) weak acid washing, (4) lithium...
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WO/2023/048430A1 |
In a method for recovering lithium hydroxide from a lithium secondary battery, electrode powder is prepared from the lithium secondary battery. A positive electrode active material mixture is prepared by mixing the electrode powder with ...
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WO/2023/042194A1 |
The present invention relates to a process for the beneficiation of solids and ores. The solids comprise metal oxides or metal hydroxides or metal carbonate. In said process, a strong acid salt is reacted with organic weak base (OWB) in ...
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WO/2023/039668A1 |
The present application relates to a method of recovering vanadium in the form of a vanadyl sulfate solution from a secondary source of vanadium using a reductive leaching process using a saccharide and sulfuric acid. The secondary sourc...
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WO/2023/040534A1 |
A method for lithium adsorption in a carbonate- and/or sulfate-containing solution, comprising using an aluminum-based lithium adsorbent for adsorption of lithium ions in the carbonate- and/or sulfate-containing solution, after the adsor...
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WO/2023/043071A1 |
The present invention relaters to a method for recycling a cathode active material and a cathode active material recycled thereby and, more specifically, to a method for recycling a cathode active material and a cathode active material r...
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WO/2023/042606A1 |
The purpose of the present invention is to recover a high-purity manganese-containing solution from a waste dry battery with high yield. Provided is a method for recovering manganese contained in a waste dry battery, the method comprisin...
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WO/2023/043095A1 |
The invention relates to a method for extracting waste denitrification catalyst-containing valuable metals and, more specifically, to a method for extracting waste denitrification catalyst-containing valuable metals, wherein a process of...
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WO/2023/036441A1 |
The method according to the invention for treating steel mill slag comprises the steps of: A) providing steel mill slag in solid form having a fineness such that the steel mill slag has a specific BET surface area of 0.1 m2/g or more; B)...
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WO/2023/037876A1 |
A method is provided which enables selectively leaching nickel and/or cobalt from an alloy that contains copper and nickel and/or cobalt in a waste lithium ion battery. This alloy processing method involves obtaining a solution that co...
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WO/2023/038542A1 |
The invention relates to a method of recycling spent lithium-ion current sources. The method includes collecting and sorting current sources, discharging same, shredding, comminuting, screening, leaching, extracting and recovering lithiu...
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WO/2023/036726A1 |
The invention relates to a method and a system for recovering metals from black mass, comprising the following steps in the following order: step (a), providing black mass, which contains Li; step (b), adding water to the black mass and ...
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WO/2023/038283A1 |
The present invention relates to a method for recycling a cathode active material and a cathode active material recycled thereby and, more specifically, to a method for recycling a cathode active material and a cathode active material re...
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WO/2023/033023A1 |
Provided is a method for effectively obtaining a solution containing nickel and/or cobalt from an alloy that contains copper as well as nickel and/or cobalt, in a waste lithium-ion battery or the like. The present invention is an alloy...
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WO/2023/032495A1 |
The present invention provides a method for producing a valuable metal at a low cost. A method according to the present invention comprises at least: a preparation step in which a starting material that contains Li, Mn, Al and a valuab...
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WO/2023/029573A1 |
Disclosed in the present invention is a method for extracting lithium from a waste lithium battery, comprising the following steps: putting positive electrode powder of a waste lithium battery in hydrochloric acid for leaching; filtering...
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WO/2023/029575A1 |
Disclosed in the present invention is a method for removing copper fluoride from a battery powder leachate. The method comprises: roasting a battery powder, then washing with an alcohol solution; adding an acid solution to the alcohol-wa...
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WO/2023/031545A1 |
The invention relates to the method for melting a charge of aluminium, comprising: procuring a charge (11, 12, 13) of aluminium of which at least 15 wt% is in the form of a bowl (11) of essentially cylindrical shape, of height h and maxi...
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WO/2023/029898A1 |
The present invention relates to the technical field of the recovery of spent lithium-ion batteries, and provides a method for recovering valuable metals from spent lithium-ion batteries. The method comprises: subjecting spent lithium-io...
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WO/2023/031546A1 |
The invention relates to a method for re-melting coated aluminium alloy scrap comprising a step of supplying coated ground aluminium alloy scrap consisting of individual entities; a stripping step; a step of preparing a heel; a step of l...
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