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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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WO/2023/091896A1 |
A system and method for continuous production of Mg from metallothermic reduction of magnesium bearing ore from both the reactor side and condenser side of the system, using a separate collection vessel. The furnace is a heated tube thro...
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WO/2023/084947A1 |
Provided is a valuable element recovery method, whereby it becomes possible to obtain a metal containing a valuable metal at a large content. The recovery method includes adding a reducing agent to an oxide containing at least one elemen...
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WO/2023/079017A1 |
The invention relates to a method for reducing metal oxide (M1) by means of a reducing gas or gas mixture, having the following steps: - combining (V1) the metal oxide (M1) to be reduced and the gas or gas mixture used to reduce the meta...
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WO/2023/062128A1 |
The present invention relates to a device comprising at least one reaction container for receiving pulverulent reaction products, the reaction container having a frame and a screen fabric which is detachably connected to the frame. The i...
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WO/2023/049353A2 |
Methods are proposed for extracting transition metal oxides from scrap batteries by dissolving the metal oxides in a glass-forming oxide melt, followed by electrolytic reduction of the transition metal onto the cathode of an electrolytic...
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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/2023/042535A1 |
Provided is a gas separation method, whereby it becomes possible to separate gases respectively suitable for a plurality of gas utilization facilities from a raw material gas and supply the gases to the gas utilization facilities by a pr...
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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/2023/025646A1 |
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/2023/017265A1 |
This invention relates to a method for the production of reducible metal oxides (e.g. V2O3). The invention also relates to a method for the production of metals (e.g. vanadium) from said oxides. More specifically, the method facilitates ...
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WO/2023/004476A1 |
According to the present invention there is provided a method for treating a zinc leach residue comprising the steps of: adding the zinc leach residue and a sulfide material comprising copper and flux to a furnace having a molten bath th...
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WO/2023/007918A1 |
This method for producing an electrodeposit is a method for producing a Ti-containing electrodeposit by means of electrolytic purification using molten salt electrolysis, the method comprising an electrodeposit step in which an electrode...
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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/2023/286061A1 |
The present disclosure generally relates to processes for the reduction of transition metals using alkali metals to produce reduced transition metals.
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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/2023/275714A1 |
The present invention relates to a process for treating ladle furnace slag ("white slag") deriving from the refining of steel inside a ladle, said process comprising the following steps: a) adding metallic aluminum to a mixture comprisin...
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WO/2023/276790A1 |
This method for recovering valuable substance involves a reducing agent mixing step S150 in which a reducing agent is mixed with a valuable substance-containing material obtained from a secondary battery and a reducing step S190 in which...
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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/2022/264570A1 |
Provided is a method of effectively and efficiently separating impurities, in particular, iron contained in a raw material to be processed, and recovering valuable metal at a high rate of recovery.　Provided is a method of producing val...
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WO/2022/264569A1 |
The present invention provides a method by which a valuable metal is able to be recovered with a high recovery rate by effectively and efficiently separating impurities, in particular iron, from a starting material to be processed.　A m...
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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/2022/252374A1 |
The present disclosure discloses a method for producing low nickel matte by the smelting, reduction and sulfidation of nickel oxide ore. The method mainly comprises: drying and preheating nickel oxide ore to produce hot nickel oxide ore ...
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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/2022/236381A1 |
A process for separating nickel and/or cobalt salts from crude nickel and/or cobalt bearing materials is disclosed. The process comprises treating a crude nickel and/or cobalt bearing material with a salt of iron or aluminium under condi...
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WO/2022/227179A1 |
The present invention relates to the field of comprehensive utilization of copper slag, and relates to a molten copper slag depletion and side-top combined blowing reduction integrated method. Specific steps are: (1) molten copper slag i...
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WO/2022/224711A1 |
The present invention provides a method for producing a valuable metal from a starting material that contains waste lithium ion batteries, the method being capable of effectively obtaining a metal which has a reduced phosphorus content.ã...
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WO/2022/224719A1 |
Provided is a method that is for producing, from a raw material containing an oxide including nickel and cobalt, a valuable metal containing said nickel and cobalt, and that enables the degree of reduction of an alloy obtained through a ...
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WO/2022/209015A1 |
Proposed is an operating method for a reducing furnace that can reduce iron oxide included in a raw material more efficiently than conventional methods. This operating method for a reducing furnace, comprising loading a raw material that...
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WO/2022/204819A1 |
Provided are systems and methods for transport vehicles using recyclable metallic fuels. The method includes capturing fuel products, including a metal oxide and unburnt fuel from the combustion of a metallic fuel, storing the unburnt me...
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WO/2022/209014A1 |
Provided are raw material particles for the production of an agglomerate, able to produce an agglomerate having a higher reducing property. The raw material particles 1 (2) of the present invention, for producing an agglomerate used as r...
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WO/2022/194285A1 |
Provided is a comprehensive utilization method for columbite. The comprehensive utilization method for columbite comprises: step S1. carrying out reductive side-blown smelting on the columbite in a side-blown furnace to obtain molten iro...
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WO/2022/191754A1 |
43 Abstract Method for producing direct reduced metal material (106) in a continuous process, wherein hydrogen gas and inert gas is circulated in respective closed-loop first and second gas circuits via different respective gas connectio...
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WO/2022/178037A1 |
A method of recovering iron and other species from tailings that contain iron oxide. In the method an electric induction furnace or electric arc furnace is used as an iron-reduction furnace. The furnace is charged with tailings that cont...
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WO/2022/170774A1 |
A device for treating ilmenite ore by using solid waste pyrolysis products, the device comprising an ore preheating device, a pyrolysis reduction device and a multi-stage cooling device, wherein a heater is provided on an upper outer sid...
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WO/2022/160002A1 |
The present disclosure broadly relates to processes for preparing iron and ferro-alloys using coffee as a source of carbon.
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WO/2022/163179A1 |
Provided is a method with which it is possible to inexpensively recover a valuable metal.　The present invention is a method for recovering a valuable metal, the method including the following steps: a readying step for readying a charg...
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WO/2022/150880A1 |
The present disclosure broadly relates to a process for recovering cobalt from lithium-ion batteries using thermal techniques.
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WO/2022/140865A1 |
Provided are systems and methods for propulsion and powering systems using recyclable metallic fuels. The method includes capturing fuel products, including a metal oxide and unburnt fuel from combustion of a metallic fuel, storing the u...
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WO/2022/127117A1 |
Disclosed in the present invention is a low-cost method for cleanly treating a positive electrode material of a waste lithium ion battery. The method comprises: performing high-temperature reduction on the pre-treated positive electrode ...
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