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WO/2024/047950A1 |
Provided is an iron ore pellet production method with which both suppression of bursting and strength of an iron ore pellet are achieved. This iron ore pellet production method involves a crystalline water removal treatment step for elim...
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WO/2024/048249A1 |
To provide a method whereby a valuable metal can be efficiently recovered from a waste lithium-ion battery, the present invention is a method for recovering a valuable metal from a waste lithium-ion battery, and comprises an oxidation ro...
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WO/2024/045614A1 |
The present invention relates to a recycling treatment method for a pickling waste liquid. The method comprises: filtering pickling waste liquid to obtain a clean acid and filtered sludge; feeding the clean acid into a resin treatment de...
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WO/2024/045530A1 |
Disclosed in the present invention is a method for recovering nickel. The method comprises the following steps: S1, mixing a nickel-containing waste residue and a leaching agent, carrying out solid-liquid separation, and collecting a sol...
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WO/2024/048247A1 |
To provide a method of recovering, at low cost, valuable metals from waste lithium-ion batteries by a dry smelting process. The present invention is a method of recovering valuable metals from waste lithium-ion batteries, the method co...
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WO/2024/048248A1 |
Provided is a method for cost-effectively recovering valuable metals from waste lithium-ion batteries through a pyrometallurgical process. The present invention pertains to a method for recovering valuable metals from waste lithium-ion...
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WO/2024/047951A1 |
Provided is a method for producing a pellet, the method being capable of suppressing green pellet bursting. This method for producing an iron ore pellet comprises: a crushing step for obtaining ore powder by crushing iron ore having an i...
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WO/2024/046889A1 |
The present invention relates to a method for reconditioning lithium-containing energy accumulators, the method comprising at least the following method steps: i) possibly pretreating the lithium-containing energy accumulator, with the p...
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WO/2024/040910A1 |
Disclosed is a method for recovering valuable metals from a waste lithium-ion battery. The method comprises the following steps: S1: discharging the waste lithium-ion battery in a discharge solution containing sulfate, then mixing with s...
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WO/2024/038643A1 |
The present invention proposes a method for producing a sintered ore with high productivity without requiring both an expensive anionic polymer dispersant and a step for grinding an iron ore into a fine powder. The present invention prov...
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WO/2024/037981A1 |
This disclosure relates to a process for selective extraction and separating vanadium and iron using a method of chlorinating vanadium-containing iron oxide ores. More particularly, the disclosure relates to a process for producing vanad...
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WO/2024/039795A1 |
A method of recovering copper from a feed material includes steps of: leaching the feed material with a lixiviant adapted to leach the copper from a feed material feed stream in a leaching circuit having a plurality of leaching vessels V...
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WO/2024/039279A1 |
The present invention regards a method of production of a metal oxide material (5) by means of a metal oxide material production apparatus (3) and the apparatus per se. the apparatus comprises a pre-heating zone (8) configured to pre-hea...
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WO/2024/031789A1 |
A method for producing high-nickel matte by means of reduction sulfidation smelting of laterite-nickel ore, comprising: mixing laterite-nickel ore with a reducing agent, a sulfidizing agent and a flux to prepare pellets, and performing s...
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WO/2024/034754A1 |
The present invention relates to a method for recycling a secondary battery material from a waste battery material comprising a metal oxide composed of various types of metals, and the method may comprise the steps of: a) providing a was...
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WO/2024/034327A1 |
Provided is a treatment method for obtaining a solution, that contains nickel and/or cobalt, from a waste battery. The invention comprises executing, in the stated order: 1) a pre-treatment step for detoxifying a waste battery and crus...
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WO/2024/028920A1 |
The present invention provides non-fired pellets and a method for manufacturing the same, the non-fired pellets reducing opportunities for contact between low-melting slags and being effective at preventing clustering by inhibiting meldi...
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WO/2024/028923A1 |
Provided is a sintered ore that has improved reduction characteristics and reduced disintegration-during-powdering characteristics. Proposed is a method for producing the sintered ore. Further provided are a sintered ore for hydrogen red...
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WO/2024/028922A1 |
The present invention provides non-fired pellets and a method for manufacturing the same, the non-fired pellets reducing opportunities for contact between low-melting slags and being effective at preventing clustering by inhibiting meldi...
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WO/2024/029129A1 |
According to the present invention, a dust D containing zinc is indirectly heated in a rotating rotary kiln 10, thereby gasifying the zinc contained in the dust; a treated gas G containing the gasified zinc is sucked by a suction tube 30...
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WO/2024/023660A1 |
The invention deals with a method of manufacturing molten pig iron into an electrical smelting unit 13. The method comprises the following successive steps: - providing a directly reduced iron product 12, - feeding the DRI product 12 int...
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WO/2024/023517A1 |
A method of producing a pellet, which may comprise the steps of: mixing an organic binder with water to form an organic hydrogel binder; mixing the hydrogel with a particulate substrate selected from a metal ore, metal ore containing was...
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WO/2024/023055A1 |
The present invention relates to a new hydrometallurgical process for recovering palladium from a spent catalyst, wherein a specific order of multiple process-steps is carried out.
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WO/2024/023567A1 |
The invention deals with a method of manufacturing molten pig iron into an electrical smelting unit 13. The method comprises the following successive steps: - providing a directly reduced iron product 12, - feeding the DRI product 12 int...
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WO/2024/021237A1 |
A recovery method for lithium iron phosphate. The method specifically comprises: mixing lithium iron phosphate and an acidic solution to prepare a slurry, mixing and leaching the resulting slurry and an oxidizing agent, and collecting a ...
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WO/2024/020653A1 |
Microbial-assisted heap leaching of fragments or agglomerates of fragments of copper- containing sulfidic ores, such as chalcopyrite ores, and copper-containing sulfidic waste materials is disclosed. A heap leaching method includes contr...
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WO/2024/018692A1 |
Provided is a method for smelting nickel-containing oxide ore for which the generated amount of CO2 is reduced and the nickel recovery rate is high. The present invention is a method for smelting nickel-containing oxide ore, comprising...
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WO/2024/014144A1 |
Provided is a method for recovering valuable materials from lithium ion secondary batteries, said method comprising: a heat treatment step for obtaining a heat-treated material by subjecting a lithium ion secondary battery to a heat trea...
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WO/2024/013653A1 |
A method for the direct reduction of iron oxide-based material for the production of steel, iron sponge or cast iron is described, comprising the steps of: a) producing, by forming at a temperature not exceeding 45°C, briquettes made of...
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WO/2024/010474A1 |
A method for the recovery of metals from metallurgical waste, especially zinc and iron from dusts is characterized in that the zinc-bearing dusts are granulated with the addition of a reducing agent (coal dust, carboniser, fly ash) in an...
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WO/2024/004356A1 |
This method for heat-treating lithium-ion battery waste includes: a battery-heating step for heating the lithium-ion battery waste in a heat treatment furnace; and a gas combustion step for feeding generated gas generated in the heat tre...
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WO/2024/003452A1 |
According to an example aspect of the present invention, there is provided a method for processing a manganese containing material comprising: a) leaching the manganese containing material using sulfuric acid and hydrogen peroxide to pro...
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WO/2024/003541A1 |
A method (100, 200) of recovering alkali metal materials from battery waste comprises obtaining (102) black mass from battery waste, the black mass comprising electrode materials and one or more impurities including at least one of fluor...
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WO/2024/000838A1 |
A method for extracting lithium from lithium clay. The method comprises: roasting a lithium clay powder; grinding the roasted clinker, then mixing same with a leaching agent and water, leaching same at a temperature of 150-300°C and a p...
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WO/2024/000883A1 |
A method for extracting lithium from lithium clay, which relates to the technical field of extraction of lithium from lithium resources. The method for extracting lithium from lithium clay comprises the following steps: (1) pretreating l...
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WO/2023/242614A1 |
A binder for extruded, pelletized, briquetted, or agglomerated material, said binder comprising from 80% to 90% in weight of a pyrolysis oil resulting from the pyrolysis of biomass and from 10% to 20% in weight of thermoplastics.
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WO/2023/240343A1 |
The present application provides a process and system for extraction of rare earth elements from a solid feed that employs a high solid to liquid pulp density during cracking. In particular, the present application provides a high pulp d...
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WO/2023/240334A1 |
The present relates to a process of shredding a lithium battery. The lithium battery is shredded and quenched with a shredding liquid in a shredding compartment to safely discharge the batteries and producing shredded battery residues an...
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WO/2023/240346A1 |
Methods and systems for the extraction of magnetic material from magnet containing material, and for extraction of rare earth elements (REEs) from the magnetic material are disclosed. An exemplary system includes a milling/washing unit f...
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WO/2023/243385A1 |
Provided is a recycled positive electrode material comprising: lithium, nickel, cobalt, and manganese; 0.3 mass% to 3 mass% of aluminium; and less than 1 mass% of at least one of copper and iron.
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WO/2023/242687A1 |
A binder for extruded, pelletized, briquetted, or agglomerated material, said binder comprising from 80% to 90% in weight of a pyrolysis oil resulting from the pyrolysis of biomass and from 10% to 20% in weight of thermoplastics.
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WO/2023/242684A1 |
A method of, and system for, operating/monitoring a grinding mill. A first and second variable is obtained. The first variable relates to a first property of a current grinding mill operation. The second variable relates to a second prop...
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WO/2023/242465A1 |
A method for handling fine tailings (1) from mineral treatment processes is disclosed. An arrangement for handling fine tailings (1) from mineral treatment processes is further disclosed.
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WO/2023/242731A1 |
The present invention relates to an agglomerated product for use in a steelmaking process comprising a carbonaceous material selected from the group consisting of thermoplastic polymeric recycled materials, biogenic materials obtained fr...
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WO/2023/238446A1 |
The present invention enables recovery of a high-purity manganese-containing solution from a waste dry battery with high yield. A method for recovering manganese that is contained in a waste dry battery according to the present inventi...
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WO/2023/239296A2 |
An assembly and a method for photovoltaic (PV) panel recycling is disclosed. The assembly comprises (a) a mechanical means to remove aluminium frames; (b) a furnace; (c) a cooling station; (d) a wet bench; (e) a filtration system; (f) a ...
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WO/2023/233871A1 |
The present invention proposes: the establishment of a more advanced production technology of a granulated starting material for sintering by studying the optimization of stirring conditions (stirring energy) by taking changing propertie...
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WO/2023/228912A1 |
Provided is: a separation method for stainless steel capable of efficiently separating stainless steel from electrical/electronic component scraps, in particular, crushed scraps obtained by subjecting electrical/electronic component scra...
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WO/2023/229528A1 |
The present disclosure concerns a method of extracting platinum group metals (PGM) from a material, the method comprising surface oxidising the material; ultrasonicating the surface oxidised material of step a) in the presence of an acid...
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WO/2023/225716A1 |
A method of recycling a battery waste material comprising Li and one or more of Mn, Co, and Ni, the method comprising: extracting Li from the battery waste material by selectively dissolving Li in a solvent; after extracting Li, forming ...
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