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WO/2022/085635A1 |
A method for recovering lithium from a material that contains fluorine and lithium, wherein: the material is mixed with an aqueous sulfuric acid solution or water, thereby obtaining a mixed solution in which fluorine and lithium in the m...
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WO/2022/079409A1 |
A method for selectively removing Li from an input material comprising Li and one or more transition metals, comprising the steps of: contacting said input material with a leaching medium comprising formic acid; and leaching Li from the ...
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WO/2022/080657A1 |
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 comprises the steps of: (a-1) dry grinding cathode scraps, which comprise a cath...
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WO/2022/074329A1 |
Disclosed is a method for discharging an electrochemical generator (10) comprising a negative electrode (20) containing lithium or sodium and a positive electrode (30), the method comprising a discharging step during which the electroche...
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WO/2022/075525A1 |
A method for recovering zinc, indium and gallium from a waste IGZO target is provided. The method comprises the steps of: grinding a waste target composed of indium gallium zinc oxide, so as to generate a ground product; generating a mix...
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WO/2022/074328A1 |
The invention relates to a method for securing an electrochemical generator (10) comprising a negative electrode (20) containing lithium or sodium and a positive electrode (30), the method comprising the following successive steps: (a) i...
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WO/2022/067448A1 |
Solutions and methods for leaching coinage metals. For example, Solutions and methods for leaching copper and/or silver from a substance comprising copper and/or silver (such as a coinage metal-concentrate, or electronic waste) using a w...
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WO/2022/071274A1 |
This method for eluting a valuable metal from a glass-containing electrode containing glass and a valuable metal insoluble in a hydrofluoric acid involves: immersing an object including the glass-containing electrode in a hydrofluoric ac...
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WO/2022/069838A1 |
The invention relates in particular to a method for recycling a first lithium ion battery electrode, a precursor mixture of an electrode composition obtained through said recycling, and the composition resulting therefrom. The first elec...
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WO/2022/071297A1 |
Provided is a method for eluting valuable metals from a glass-containing electrode that contains valuable metals and glass, wherein the method includes: a step for pulverizing an object that contains a glass-containing electrode; and a s...
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WO/2022/069692A1 |
The present invention discloses the use of a spinel-based recovered sorbent of formula Zn0.85Mn2.15O4 or Zn0.25Mn2.75O4, working at a temperature range between 300 °C and 500 °C, for the removal of sulphur in gasification processes suc...
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WO/2022/062674A1 |
The present invention relates to the field of hydrometallurgy. Disclosed is a method for recycling gold from full-mud cyanide tailings, comprising the following steps: (1) performing pulping and screening on cyanide tailings to obtain a ...
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WO/2022/065721A1 |
Provided is a method for recovering and reusing an active material from positive electrode scrap. The method for reusing a positive electrode active material of the present invention comprises the steps of: (a) dry-grinding positive elec...
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WO/2022/061476A1 |
An electronic waste (E-waste) recycling process and composite article or material using the E-waste. E-waste, for example including printed circuit boards (PCBs) and/or electronic components (ECs) such as integrated circuit chips, is siz...
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WO/2022/059565A1 |
A method for recovering valuable materials from a lithium ion secondary battery, the method including: a heat treatment step for heat-treating a lithium ion secondary battery containing aluminum, carbon, and copper foil as constituent ma...
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WO/2022/057882A1 |
Disclosed is a resource recycling method for a copper smelting residue, comprising the following steps: (1) mixing a copper blowing residue, a vulcanizing agent 1, a residue type modifier 1 and a reducing agent 1, smelting same to obtain...
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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/2022/059009A1 |
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 or metal bicarbonates or salt of weak acids. In said process, a strong acid salt...
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WO/2022/052911A1 |
A blast furnace recovery and smelting apparatus and method for lead-containing materials, which belong to the technical field of environmental protection. The apparatus comprises a blast furnace, a powder storage tank, a mixer, a coal in...
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WO/2022/052670A1 |
The present invention belongs to the field of hydrometallurgy. Disclosed is a method for purifying a nickel-cobalt-manganese leaching solution. The method comprises the following steps: heating a nickel-cobalt-manganese leaching solution...
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WO/2022/055272A1 |
The present invention relates to a method for recovering a cathode material, from a cathode, in a form close to the original form, and makes it possible to selectively remove only fluorine components on the surface without loss of lithiu...
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WO/2022/054723A1 |
A valuable matter recovery method comprising: a heat treatment step for heat-treating an object containing a valuable matter by supporting an object storage means that houses the object by means of a support means capable of supporting s...
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WO/2022/053448A1 |
Battery grade metal sulfate solutions can be prepared directly from electrolytically produced metal objects, such as cathode plates, when these are subjected to an aqueous leaching solution comprising at least one acid leaching agent and...
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WO/2022/053568A1 |
The invention relates to a method for producing a valuable material product from industrial dust. The method has the steps of: i) providing the industrial dust, which has at least one valuable material and a first concentration of volati...
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WO/2022/048308A1 |
The present application relates to a method for separating copper and manganese from a mixed solution containing copper, manganese, calcium and zinc, the method comprising: (1) subjecting the mixed solution containing copper, manganese, ...
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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/2022/045559A1 |
Provided are: an apparatus for recovering an active material, the apparatus being capable of easily recovering an electrode active material from an electrode scrap as it is in its intrinsic shape; and a method for reusing a positive elec...
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WO/2022/037781A1 |
A method for separating zinc from an industry product (110) is described, the method comprising: i) providing the industry product (110) which comprises oxidized zinc (102); ii) heating the industry product (110) so that the industry pro...
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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/2022/032345A1 |
The present disclosure relates generally to processes for recovering values from batteries. More specifically, the present disclosure relates to processes for recovering an electrode material from lithium-ion batteries, such as an electr...
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WO/2022/035053A1 |
Provided are: an apparatus for recovering an active material, the apparatus being capable of easily recovering an electrode active material from an electrode scrap as it is in its intrinsic shape; and a method for reusing a positive elec...
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WO/2022/027146A1 |
Methods for leaching and extraction of precious metals. For example, methods of leaching palladium, rhodium, platinum from a substance comprising palladium, rhodium, and/or platinum (such as a platinum group metal (PGM) concentrate, and ...
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WO/2022/022608A1 |
The present invention belongs to the field of hydrometallurgy. Disclosed is a method for recovering lithium from lithium-containing wastewater. The method comprises the following steps: (1) adjusting the pH of lithium-containing wastewat...
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WO/2022/025600A1 |
The present invention relates to a method for selectively removing aluminum from a waste electrode and a method for recovering a metal component from a waste electrode using same. Specifically, the present invention provides a method for...
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WO/2022/018491A1 |
A procedure for producing silver concentrate from metallurgical residues containing copper, iron, lead, silicon, silver and antimony; (i) copper leaching with an acid solution of the metallurgical residue yielding a first leached sludge;...
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WO/2022/020470A1 |
Disclosed herein are systems and methods for processing ash. For example, in certain embodiments, the method comprises dissolving at least a portion of ash in acid. In some embodiments, the acid is produced in a reactor. In some embodime...
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WO/2022/018490A1 |
Procedure for producing germanium concentrate from metallurgical residues, comprising: (i) copper leaching with a first acid solution of the metallurgical residue, in order to obtain a first leaching solution rich in copper and iron, and...
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WO/2022/018437A1 |
1. The invention provides a method of recovering a precious metal in solid form from an article, the article comprising a base metal attached to the precious metal, the method comprising the steps of: (a) bioleaching of the base metal by...
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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/2022/012968A1 |
The present invention relates to a method for obtaining metals of the 8th to 14th group, in particular raw copper, comprising the steps of: i) providing and melting down a mixed feed comprising electronic waste in a smelting reactor, so ...
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WO/2022/012851A1 |
The present invention relates to a method for obtaining non-ferrous metals, more particularly black and/or raw copper, from scrap containing organic matter (8), comprising the steps: i) providing a melting reactor (2), the melting reacto...
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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/2022/008312A1 |
The invention relates to a method for recovering nonferrous metals from the ashes of domestic waste incineration plants and from the residues of thermal processes, from which ashes iron has been substantially liberated and in which ashes...
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