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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/2024/070500A1 |
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/2024/064154A2 |
In described embodiments, a process for reducing and precipitating copper in primary copper extraction comprises: adding a gas mixture of CO and H2 to a solution of CuSO4 forming a copper carbonyl (Cu(CO))2SO4; depressurizing the solutio...
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WO/2024/064293A1 |
A continuous process for converting metal compound particles into a mixture of elemental metals. Metal compound particles and a reductant are introduced into an ultra-high temperature reaction zone having a temperature greater than 2,700...
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WO/2024/062905A1 |
Provided is a method capable of suppressing generation of dust during handling of a mixed powder of positive electrode active material and negative electrode active material, which is the raw material to be processed in the method for re...
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WO/2024/056108A1 |
A device for producing magnesium by means of aluminothermic reduction. The device comprises a microwave resonance furnace body (1), a microwave heater (4), a power supply and control device (5), and a circulating cooling water device (6)...
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WO/2024/059874A1 |
Provided is a process for converting biomass waste to a solid carbon product. The process comprises passing the biomass waste batchwise into a reactor comprising a twin screw conveyor. The reactor is heated at a temperature of, e.g., 300...
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WO/2024/057736A1 |
Provided is a method for recovering nickel, cobalt, and manganese from a compound including metal oxides of nickel, cobalt, and manganese in which the concentration of manganese in recovered materials is kept low while increasing the con...
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WO/2024/056107A1 |
A method for producing magnesium by means of aluminothermic reduction, the method comprising the following steps: mixing, at a certain ratio until uniform, magnesium oxide and an aluminum powder that have particle sizes meeting standards...
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WO/2024/054513A2 |
A method for purifying lutetium that includes sublimating or distilling ytterbium from a solid composition comprising ytterbium and lutetium in an environment at a temperature in a range of from 400° C to 2000° C for a sublimation/dist...
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WO/2024/052439A1 |
The invention relates to a device for the pyrometallurgical CO2-neutral production of copper from a copper-containing starting material. According to the invention, during the melting and/or reduction process, a hydrogen-containing gas i...
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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/2024/046656A1 |
The invention relates to a process for the selective heavy metal removal from iron- and/or steelmaking flue dust, the process comprising the steps of: preparing a feedstock (FS) by blending or mixing a chloride precursor material (CPM) a...
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WO/2024/050045A1 |
A method of manufacturing porous silicon particles includes providing a rotary tube furnace including a tube extending between a first opening and a second opening opposite the first opening. The method includes providing a silica precur...
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WO/2024/047553A1 |
The invention relates to a device (20) for the gaseous extraction of reducible constituents (21) from a starting material (22), comprising: a gas-tight reactor body which is at least partly made of fire-proof material (26) and has a mate...
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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/2024/045562A1 |
The present invention relates to the technical field of magnesium metallurgy, in particular to an apparatus and method for magnesium production by means of vacuum carbothermic reduction of calcined dolomite. The apparatus comprises a rea...
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WO/2024/039280A1 |
The present invention concerns a metal material production configuration (1) and a method of direct reduction of a metal oxide material (5) holding a first thermal energy into a direct reduced metal material (16) by means of a metal mate...
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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/2024/039279A1 |
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/2024/024589A1 |
Provided is a valuable element recovery method that can recover not only valuable elements but also lithium. The recovery method involves: adding, to oxides including lithium and at least one element selected from the group consisting of...
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WO/2024/024585A1 |
The present invention provides a method for recovering a valuable element, the method being capable of selectively recovering Ni and Co. With respect to the above-described recovery method, a reducing agent and a slag making agent which ...
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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/2024/012957A1 |
The invention describes a method for obtaining a refractory metal, which is obtained by means of the following steps: - providing a comminuted starting material of or with the metal to be obtained in oxidically bound form, - providing a ...
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WO/2024/010502A1 |
The present disclosure relates to an arrangement and process for charging iron ore (207) to a direct reduction shaft (211), as well as an arrangement and process for discharging sponge iron (208) from a direct reduction shaft. The proces...
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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/2023/247627A1 |
The present invention relates to a method for reducing metal oxide (M1) by means of a reducing gas or gas mixture, said method having the following method steps: - feeding (V1) at least one starting material into a reactor (40); - genera...
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WO/2023/243337A1 |
The present invention provides: a technology for producing a metal by means of the reduction of a metal compound, while suppressing a carbon dioxide gas to be discharged into the environment as much as possible, the technology being capa...
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WO/2023/240365A1 |
The present disclosure provides an adjustment system and method for optimizing processing of feedstock by a processing system. The adjustment method comprises determining a chemical composition of the feedstock by obtaining an emission s...
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WO/2023/244479A1 |
An improved direct smelting vessel comprising a smelt reduction vessel (SRV) and optionally a cyclone converter furnace (CCF). The SRV provides means for promoting metal mixing at a zone below a slag layer adjacent to a vessel wall of th...
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WO/2023/224541A1 |
Method for producing direct reduced metal material (142), comprising the steps: a) charging material into a closed furnace space (120); b) filling the furnace space with heated inert gas, heating the material; c) providing a reducing gas...
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WO/2023/224513A1 |
The invention relates to the field of electrometallurgy and refractory metals and can be used in the production of high-purity niobium for the nuclear power industry and electrical engineering, and more particularly in the production of ...
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WO/2023/220735A1 |
Extraction of elements and/or compounds from iron-containing materials, such as iron- containing tailings, and related systems and products are generally described. The systems and methods described herein can provide, in accordance with...
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WO/2023/184002A1 |
The present invention relates to a method for producing high iron-content products with a high physical and metallurgical performance for use in reduction furnaces (high-temperature and direct reduction furnaces) and smelting furnaces (s...
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WO/2023/179002A1 |
Disclosed in the present invention is a short-process method for preparing high-purity metal arsenic from arsenic-containing solid waste. The method comprises carrying out oxidative alkaline leaching on arsenic-containing solid waste in ...
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WO/2023/173159A1 |
A method and an apparatus for producing direct reduced iron (DRI) move a material comprising iron ore and biomass through a preheat zone (20) and then a reduction zone (30) of a hearth furnace (3) and heat and progressively reduce iron o...
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WO/2023/166886A1 |
This method for producing a catalyst for direct breakdown reaction of hydrocarbons comprises: a preparation step for preparing a plurality of aggregates of particles made of iron oxides; and a reduction step for reducing the iron oxides ...
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WO/2023/162728A1 |
A method for producing an iron source, comprising: a preparation step in which a mixture for roasting is prepared by mixing a raw material containing a phosphorus-containing iron ore and a flux; a roasting step in which the mixture for r...
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WO/2023/162729A1 |
A method for producing an iron source, comprising: a preparation step in which a mixture for roasting is prepared by mixing a raw material containing a phosphorus-containing iron ore and a flux; a roasting step in which the mixture for r...
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WO/2023/158356A1 |
The disclosure relates to an arrangement for heating a process gas of an iron ore pelletizing plant, the arrangement comprising: - a heating chamber comprising a process gas inlet, a process gas outlet, and a heating chamber port; - a bu...
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WO/2023/157397A1 |
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 for producing valuable metals from ra...
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WO/2023/154976A1 |
According to the present invention there is provided a method for smelting a zinc sulfide concentrate, the method comprising the steps of: feeding the zinc sulfide concentrate to a reduction furnace at a known mass flow rate of sulfur; f...
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WO/2023/149293A1 |
The present disclosure addresses the problem of providing a reaction device that can increase the refinement amount of a reduction product, that makes it easy to control the sample temperature, and that facilitates mass production. The p...
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WO/2023/126557A1 |
The present invention relates to a method for obtaining lithium (Li), nickel (Ni) and cobalt (Co) from discarded lithium ion batteries, which comprises a step of carbothermic reduction and a step of magnetic separation. The invention is ...
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WO/2023/121540A1 |
Reduction reactor and process of effecting reduction of iron ore material to reduced iron material. The process comprising to feed (101) iron ore material into a reduction reactor (1) at a top portion (1a) thereof, creating a gravitation...
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WO/2023/111380A1 |
A feed inlet structure (10) for a burner (4) for a suspension smelting furnace comprises an inlet space (14) defined inside the feed inlet structure. The feed inlet structure (10) further comprises an inlet opening (15) and a feed distri...
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WO/2023/109170A1 |
A method for producing tantalum powder for a capacitor by reducing tantalum oxide using an alkaline earth metal, comprising the following steps: 1) mixing tantalum oxide with an excessive alkaline earth metal reducing agent magnesium, si...
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WO/2023/100707A1 |
The present invention proposes a method for producing a metal iron having a low phosphorus concentration from a raw material containing iron oxide and phosphorus as components. This production method for a metal iron comprises a high-tem...
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WO/2023/097336A2 |
A method of producing products includes contacting a hydrocarbon gas with a molten media, forming hydrogen and solid carbon based on the contacting, transferring the solid carbon to a heating chamber, heating the solid carbon in the heat...
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