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WO/2023/004926A1 |
An efficient enrichment, separation, and recovery method for chromium in chromium-containing sludge in an iron and steel plant. The method comprises: drying and grinding raw materials, and then adding Fe2O3 powder accounting for 5.0-15.0...
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WO/2023/004465A1 |
A method of leaching a gold/copper-containing sulfidic mined material that includes two leach stages, with a gold leach stage leaching gold from the material with a gold leach liquor and a copper leach stage leaching copper from the mate...
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WO/2023/000843A1 |
Disclosed are a method for selectively extracting lithium from a retired battery and an application of the method. According to the method, on the basis of an ion exchange effect between a divalent manganese ion and a lithium ion, a posi...
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WO/2023/000845A1 |
Disclosed in the present invention is a method for extracting valuable metal from low-matte nickel converter slag. The method comprises: mixing low-matte nickel converter slag and quicklime then calcinating, obtaining a calcinated materi...
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WO/2023/286653A1 |
This state estimation method for a sintering process includes: a process variable calculation step (S1) for using a physical model that takes into consideration of a chemical reaction and a heat transfer phenomenon in a sintering process...
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WO/2023/285168A1 |
The invention relates to a method for electrolytically obtaining at least one metal. The method comprises providing (61) an aqueous solution (10) of the metal, suspended in which are particles (20) the density of which is greater than th...
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WO/2023/286387A1 |
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 which is for producing valuable metal...
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WO/2023/284292A1 |
A system for smelting a tin-containing material, comprising a pretreatment mechanism, a screening mechanism, a feeding mechanism, a smelting mechanism, a slag treatment mechanism and a tail gas treatment mechanism. Further disclosed in t...
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WO/2023/286386A1 |
Provided is a method for safely and efficiently recovering a valuable metal from a material including waste lithium ion batteries or the like. The present invention is for producing a valuable metal from a material including the valuab...
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WO/2023/283289A1 |
Some variations provide a process for producing biocarbon pellets, comprising: pyrolyzing a biomass-containing feedstock in a first pyrolysis reactor to generate a first biogenic reagent and a pyrolysis vapor; introducing the pyrolysis v...
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WO/2023/282824A1 |
The present disclosure relates to an iron briquette produced by providing sponge iron pellets, providing carbon powder, producing a mixture of the sponge iron pellets and the carbon powder, and briquetting the mixture to provide an iron ...
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WO/2023/279142A1 |
The present invention relates to a method for the recovery of vanadium from a vanadium containing leach residue, the method comprising the steps of: subjecting the leach residue to a calcination step to produce a calcined residue; subjec...
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WO/2023/275375A1 |
Suggested is a method for recovering metals from batteries comprising or consisting of the following steps: (a) providing black mass prepared from spent batteries; (b) providing a culture of microorganisms obtained by using suitable carb...
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WO/2023/278429A1 |
In accordance with one embodiment, a method comprises dissolving a sulfide of a first metal in a solvent comprising molten aluminum; aluminothermically reduce at least a portion of the sulfide through reactive vacuum distillation to form...
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WO/2023/273263A1 |
Disclosed are a method for treating a mixture of laterite nickel ore leached slag and jarosite slag and an application thereof, the method comprising the following steps: granulating and drying jarosite slag, performing primary roasting,...
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WO/2022/268792A1 |
The present invention relates to a process for recycling battery materials, in particular lithium ion/polymer batteries, and to the subsequent use of the useful materials recovered by way of the process according to the invention.
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WO/2022/267419A1 |
Disclosed are a method for recovering elemental copper in waste lithium-ion battery powder and an application. The method comprises the following steps: adding concentrated sulfuric acid into lithium-ion battery powder for an aging react...
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WO/2022/267426A1 |
The present invention relates to a method for recovering metal in laterite-nickel ore. The method comprises: using laterite-nickel ore slag as a raw material, mixing the laterite-nickel ore slag with compounding agents, and then grinding...
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WO/2022/267190A1 |
Provided in the present invention is a method for treating high-phosphorus oolitic iron ores. The method comprises the following steps: A) mixing the high-phosphorus oolitic iron ores, a dephosphorizing agent and water, and pressing the ...
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WO/2022/264549A1 |
Provided is an agglomerated ore assessing method that enables assessment of clustering of reduced iron while taking into consideration the thermal compensation attributed to sensible heat in blown air when reduction is performed at a hig...
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WO/2022/262971A1 |
The invention is directed to a process and its relating plant for recycling zinc oxide residues. Thereby, zinc oxide residues are granulated to particles with a size of d80 between 0,3 and 5 mm, preferably between 0.5 and 2 mm. These par...
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WO/2022/264667A1 |
Provided is a method for producing an agglomerated ore by which reduced iron can be efficiently produced by hydrogen reduction without requiring preheating of raw materials and raising the temperature of reducing gas. With the method f...
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WO/2022/262812A1 |
Disclosed is a pre-reduced pellet preparation device and method, wherein the pre-reduced pellet preparation device comprises a straight grate system and a hydrogen-based shaft furnace reduction system; by organically combining the roasti...
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WO/2022/260580A1 |
The present invention concerns a metal agglomerate production configuration (1) comprising an induration apparatus (3) configured to provide a metal oxide material manufacturing thermal process (MTE) comprising indurating a metal ore mat...
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WO/2022/259656A1 |
Provided is an ore crushing method that makes it possible to efficiently crush iron ore that is difficult to finely crush. According to the present invention, an ore crushing method involves coarsely crushing iron ore to reduce the propo...
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WO/2022/252602A1 |
The present invention relates to the technical field of waste battery recovery. Disclosed are a method for safely leaching a waste battery and an application. The method comprises the following steps: discharging, roasting, and screening...
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WO/2022/252604A1 |
Disclosed in the present invention is a safe reactor for leaching of waste battery powder and capable of controlling hydrogen concentration, comprising a platform, a rotary acid pumping cylinder, and a delivery pipe; the platform is prov...
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WO/2022/248245A1 |
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.The slag composition is defined according to: 10% < MnO < 40%; (CaO ...
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WO/2022/246566A1 |
A method of separating plastic material from battery materials can include: a) receiving battery materials in an immersion comminuting apparatus; b) by carrying out at least a first size reduction of the battery materials under immersion...
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WO/2022/247356A1 |
Provided in the present application is a method for smelting a nickel-containing metal, which comprises the following steps: step one, mixing a low grade nickel material with lime and performing oxidative roasting, and obtaining a nickel...
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WO/2022/248436A1 |
The present disclosure concerns a 2-step smelting process, for recovering of Ni and Co from batteries and other sources. The process comprises the steps of: - defining an oxidizing level Ox, and a battery- bearing metallurgical charge; -...
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WO/2022/242185A1 |
Disclosed in the present invention are a method for safely oxidizing and roasting a neodymium-iron-boron powder and the application thereof. The method comprises: magnetizing and drying a neodymium-iron-boron powder, igniting and spontan...
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WO/2022/239454A1 |
Provided is a method for producing valuable metal from raw materials including, for example, waste lithium ion batteries by a pyrometallurgical method, said method making it possible to efficiently separate manganese included in the raw ...
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WO/2022/237607A1 |
Disclosed are a method for enriching niobium-titanium in an iron-containing niobium-titanium ore and a use of a nickel-containing substance. The method of the present invention comprises the following steps: reacting raw materials compri...
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WO/2022/240468A1 |
A method for recycling an aluminum alloy scrap includes performing selective oxidation roasting and washing treatment on the aluminum alloy scrap to obtain an uncoated aluminum alloy scrap; melting the uncoated aluminum alloy scrap in a ...
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WO/2022/239453A1 |
The present invention provides a recycling method for recycling metal from an article having fastening products (40, 50, 80) that include metal components. The recycling method includes a crushing step (14, 34) for crushing at least some...
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WO/2022/240467A1 |
A method includes performing pre-treating, comprising fire-roasting or wet-washing, on the processed aluminum scraps of aeronautical aluminum alloy. The method further includes performing pressing formation on the pre-treated processed a...
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WO/2022/237532A1 |
The present invention belongs to the technical field of metallurgy, and specifically relates to a harmless treatment method for recovering sulfur, rhenium, and arsenic from arsenic sulfide slag. The method comprises four steps, namely ox...
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WO/2022/235356A1 |
A method for extracting noble metals from mining tailings and other solids is provided. The method uses a Lewis acid, Brønsted acid, complexing agent and oxygen to provide excellent extraction without the need for chorine gas or cyanide.
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WO/2022/230858A1 |
[Problem] To provide a method for manufacturing sintered ore and a device for manufacturing sintered ore, whereby unevenness of firing in the width direction of a pallet can be reduced. [Solution] A method for manufacturing sintered ore ...
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WO/2022/227801A1 |
An iron-containing material composite injection method and system. The method comprises the following steps: (i) crushing and grinding an iron-containing material, and then performing dehydration drying treatment and primary preheating p...
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WO/2022/222348A1 |
The present application provides a recovery method for an ultra-high-purity copper-manganese target material. The recovery method comprises: performing primary treatment on an ultra-high-purity copper-manganese target material; performin...
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WO/2022/224264A1 |
A method of extracting a plurality of battery materials from lithium batteries. The one or more battery materials recovered are selected from magnetic steel, copper, plastic, Aluminium, and dry mixed electrode powder.
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WO/2022/217350A1 |
A process for helping improve hydrometallurgical precious metal recovery from preg-robbing ores or concentrates, such as double refractory ores or concentrates or carbonaceous ores. The process comprises treating the ore or concentrate i...
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WO/2022/218043A1 |
A solid waste treatment process centered on sintering and pelletizing procedures. After multi-source solid wastes are classified and subjected to respective pretreatment, pretreatment slag generated by the pretreatment enters sintering a...
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WO/2022/218044A1 |
Disclosed in the present invention is a solid waste synergistic sintering and pelletizing disposal process. The disposal process comprises: sieving solid waste residue obtained by means of subjecting multi-source solid waste to incinerat...
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WO/2022/213158A1 |
A method (14) for the recovery of vanadium, the method comprising the steps of: (i) Subjecting a vanadium-containing ore (12) to a beneficiation step (14) incorporating a sequence of medium-intensity magnetic separation, high-intensity m...
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WO/2022/215584A1 |
According to the present invention, in a bottom surface of a pan 1 on which a scraper 2 is disposed in a specific state, if a straight line at which a virtual extension surface of a side surface 21 of the scraper 2 intersects the bottom ...
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WO/2022/213677A1 |
The present invention relates to the technical field of battery recycling. Disclosed are a recycling method for controlling the particle size of aluminum slag and an application of the recycling method. The recycling method comprises the...
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WO/2022/213679A1 |
The present invention relates to the field of metallurgy. Disclosed are a method for leaching a nickel-ammonia solution from a nickel-iron alloy in a wet process and an application. The method comprises the following steps: performing ox...
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