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WO/2024/108654A1 |
A device for enhancing leaching of metal ions by using a plasma, and a leaching method. Specifically disclosed is a device for enhancing leaching of metal ions by using a plasma, comprising: an atmospheric pressure plasma generating comp...
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WO/2024/108266A1 |
The present invention relates to a method for the recovery of manganese from a manganese containing material, the method comprising the steps of: (i) subjecting the manganese containing material to an acid leach step comprising contactin...
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WO/2024/110332A1 |
The invention relates to a method for improved slag control in a metallurgical vessel. To date, slags cannot be used further in the dephosphorization of a metal melt and have to be deposited. By means of the method according to the inven...
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WO/2024/108267A1 |
The present invention relates to a method for the recovery of manganese from an acidic leach solution comprising manganese ions, the method comprising the steps of: (i.) subjecting the acidic leach solution to one or more preliminary imp...
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WO/2024/112059A1 |
The present invention relates to a method for recycling a positive electrode active material, characterized by comprising the steps of: (a) recovering the positive electrode active material by heat-treating a waste positive electrode inc...
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WO/2024/108876A1 |
Provided in the present invention is a method for preferentially recovering manganese from a waste lithium-rich manganese-based positive electrode material. The method comprises: step 1) roasting and leaching: mixing a waste lithium-rich...
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WO/2024/106310A1 |
A method for recovering metals from a metal-containing solution containing nickel ions, lithium ions, and anions of an inorganic acid, the method including: a nickel extraction step including extraction that mixes the metal-containing so...
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WO/2024/106631A1 |
The present invention relates to a system for recovering valuable metals from a used crucible for firing a cathode, the system comprising: a crucible input unit provided to input, into the system, a used crucible containing LiAlO2 and ca...
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WO/2024/103548A1 |
The present invention relates to the technical field of used lithium battery recycling. Disclosed is a treatment method for used lithium battery leachate. The treatment method for used lithium battery leachate comprises copper removal, f...
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WO/2024/107207A1 |
Recycling of charge material for an NMC (Ni, Mn, Co) battery recovers lithium from a recycled battery stream by roasting a black mass from the recycled stream in a partial oxygen environment at a temperature based on the thermal reductio...
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WO/2024/106640A1 |
The present invention provides a method for recovering metallic reduced iron (Fe3O4, FeO, and Fe) and aluminum oxide, from a mineral iron oxide (Fe2O3) component contained in red mud, an industrial waste, and existing in a hematite or ma...
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WO/2024/106752A1 |
The present invention pertains to a recycled positive electrode active material; a recycling method thereof; and a secondary battery including same. More specifically, the present invention pertains to a recycled positive electrode activ...
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WO/2024/105264A1 |
A method of extracting lithium hydroxide from a lithium containing solid such as lithium ore or lithium batteries. The problem addressed by the invention is the provision of an extraction method where non-lithium components are removed s...
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WO/2024/101982A1 |
The present invention discloses a method to extract the RE from tin tailings. Apart from that, the tin tailings sample contain substantial content of other minerals, namely Anatase (21.5%), Rutile (5.3%), Zirconia (10.4%) and Cassiterite...
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WO/2024/101608A1 |
The present invention relates to a method for efficiently recovering valuable metals from end-of-life waste batteries in a dry smelting manner and, more specifically, to a lithium recovery method wherein a flux and a sulfur component are...
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WO/2024/097668A1 |
Methods and systems for the recovery and reuse of conductive additives for flash Joule heating. The conductive additives utilized or flash Joule heating for materials such as e-waste, ores, fly ash, soil, and/or bauxite residue can be re...
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WO/2024/095738A1 |
Disclosed is a method for separating a transition metal and Li, the method comprising: a step for obtaining a first solution containing Li ions, Ni ions, and carboxylate anions by dissolving a compound containing Li and a transition meta...
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WO/2024/094721A1 |
The present disclosure relates to a plant for recycling lithium ion battery materials, in particular lithium ion batteries, and to a process for recovering valuable materials from lithium ion battery material.
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WO/2024/097221A1 |
According to the present invention there is provided processes for the recovery of lithium from end-of-life lithium-ion batteries and battery matter. A representative process resides in a process for separating lithium from lithium ion b...
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WO/2024/094723A1 |
The present disclosure relates to a plant for recycling used batteries, in particular lithium iron phosphate (LFP) batteries, and to a process for recovering valuable materials from used batteries.
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WO/2024/095737A1 |
The disclosed method for isolating a transition metal and Li comprises a step in which a compound including Li and the transition metal is reacted with a carboxylic acid in water to obtain a slurry comprising both a first solution, which...
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WO/2024/096336A1 |
A lithium recovery apparatus, according to an embodiment of the present invention, comprises: a recovery main body providing an internal path through which gaseous lithium sulfide passes; a plurality of first electrodes installed in the ...
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WO/2024/094724A1 |
The present invention refers to a process and a plant (100) for recycling used LFP batteries, the plant comprising: - a first comminuting device (110) to comminute used LFP batteries to a first degree of comminution; - a drying device (1...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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