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WO/2023/075738A1 |
The present invention relates to the processing of natural titanium-containing feedstock, mainly ilmenite concentrate, including ilmenite ores with a low TiO2 content, into products with high added value without generating any liquid or ...
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WO/2023/073568A1 |
THIS invention relates to a method and heap for recovering metal values from ore in a heap leach process. The method includes the steps of depositing and stacking crushed ore 16 on an impermeable pad 12 to form a heap, and enclosing the ...
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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/2023/061038A1 |
Disclosed in the present invention is a combined treatment method for a nickel-iron alloy material and a nickel-containing raw material. The method comprises the following steps: placing a nickel-iron alloy material into an anode basket ...
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WO/2023/060114A1 |
The Invention pertains to a Process for the manufacturing of hot briquetted iron (HBI) from direct reduced iron (DRI) wherein iron ore is direct reduced in a reactor by a reducing gas consisting of natural gas and/or hydrogen and/or carb...
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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/2023/053661A1 |
Provided is a novel method for producing an agglomerated raw material, whereby a raw material can be agglomerated at low temperature, thereby suppressing overall energy consumption. Provided is a method for producing an agglomerated ra...
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WO/2023/054588A1 |
This ironmaking method comprises: a mineral processing step for processing an iron ore having a high water of crystallization content and a loss on ignition of 3-12 mass% into a goethite-rich part having a loss on ignition of at least 4 ...
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WO/2023/048162A1 |
The present invention provides a novel flocculant and the like. The flocculant comprises a polymer having a structural unit derived from a monomer that contains a (poly)oxyalkylene [for example, a structural unit derived from a monomer t...
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WO/2023/049381A1 |
Compositions, systems, and methods for selectively leaching and/or extracting lithium from sedimentary deposits and other resources are generally described.
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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/2023/048232A1 |
This agglomerated ore is a molded object in which a plurality of types of particles are mixed. The plurality of types of particles include at least iron carbide particles and iron oxide particles. At least a portion of the iron oxide par...
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WO/2023/039651A1 |
The present invention relates to solid agglomerates for use in siderurgical reduction furnaces. In this context, the present invention provides a solid agglomerate (A) comprising a core (N) made of a first composition and a coating (R) m...
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WO/2023/041890A1 |
A method of recycling one or more valuable metal elements from a source material comprising the one or more valuable metal elements, the method comprising: forming an acidic aqueous recycling feed by acid leaching the source material or ...
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WO/2023/039652A1 |
The present invention relates to a cold-pressed solid agglomerate using an organic binder. In this context, the present invention provides a solid cold-pressed agglomerate containing a mixture which in turn comprises at least one main co...
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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/2023/042606A1 |
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/2023/042526A1 |
Provided are: a collector containing a compound that increases the recovery amount of an ore to be recovered; an ore flotation method that uses this compound; and a compound that is suitable as a collector. This collector contains a comp...
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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/2023/029898A1 |
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/2023/032043A1 |
Provided are a method and device that can suppress release of CO2 gas into the atmosphere and efficiently recover valuable metal from mineral resources that, conventionally, have not be effectively utilized. This method includes: pretrea...
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WO/2023/029572A1 |
The present invention relates to the field of recycling of waste lithium batteries. Disclosed is a preparation method for aluminum nitride. The preparation method comprises the following steps: adding a sodium hydroxide solution to waste...
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WO/2023/023791A1 |
This invention relates to processes for removing contaminants from a mineral sand particulate. Also described are apparatus for carrying out the processes, and the purified products of the reaction and reaction intermediates.
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WO/2023/025646A1 |
The invention relates to a method for producing a manganese melt, comprising the steps of: - reducing manganese ore to reduced manganese ore, - melting the reduced manganese ore in an electric furnace. According to the invention, a hydro...
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WO/2023/026769A1 |
Provided is a method for recovering valuable metals that makes it possible to efficiently recover valuable metals at a high recovery rate. The present invention is a method for recovering the valuable metal from a raw material that con...
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WO/2023/019719A1 |
A method and system for recycling stainless steel mixed acid pickling sludge. An alkaline solution is prepared from condensate liquid or water or a mixture of the two, and ammonia water, and a stainless steel mixed acid pickling sludge i...
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WO/2023/019311A1 |
A method for recovering iron values and aluminium values from a red mud residue of the Bayer process is disclosed. The method comprises optionally adjusting the pH of the residue from alkaline toward neutral; separating a solid component...
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WO/2023/015765A1 |
An iron ore powder briquetting method, comprising: (i) adding water to iron ore powder, limestone powder, cement and a pore-forming agent to be mixed well, so that the mixture has certain plasticity; (ii) adding the plastic mixture to an...
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WO/2023/010969A1 |
Disclosed in the present invention is a method for recycling spent lithium-ion batteries, which method relates to the technical field of the recovery or processing of waste materials. The method for recycling spent lithium-ion batteries ...
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WO/2023/013665A1 |
Provided are: a gold ore pretreatment method capable of facilitating recovery of gold even when a gold ore contains a sulfide or a carbonaceous component; and a gold recovery method exhibiting a high gold recovery rate. The pretreatment ...
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WO/2023/010837A1 |
A pyrolysis sulfurization beneficiation method for a laterite-nickel ore, comprising the following steps: S1) optionally drying a laterite-nickel ore to obtain a dry laterite-nickel ore; S2) heating and reacting the dry laterite-nickel o...
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WO/2023/004925A1 |
A method for enriching and recovering chromium resources by means of the synergistic utilization of chromium-containing sludge and chromium-containing waste residue: the chromium-containing sludge and the chromium-containing waste residu...
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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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