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WO/2024/081701A1 |
Leaching solutions useful for extracting metals from ore. The leaching solutions include a leaching aid and an oxidant. The oxidant may be introduced into the leaching solution or a raffinate from a mining operation in the form of nanobu...
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WO/2024/081705A1 |
Disclosed herein are leaching solutions including a leaching additive having at least one organic compound having a sp3 hybridized sulfur and/or a sulfoxide; and a lixiviant. Also disclosed are methods of preparation and use thereof.
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WO/2024/073856A1 |
A method of separating one or more metal compounds from a feed material stream that includes one or more metals, includes: subjecting the feed material stream to a metal compound precipitation process to yield a metal compound slurry; an...
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WO/2024/064995A1 |
Disclosed herein is a method for recovering metals from electronic waste or a leach residue thereof, the electronic waste or leach residue comprising elemental copper and one or more lithium compounds, the method comprising: leaching the...
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WO/2024/060891A1 |
A green and efficient refining method for complex crude tins, which belongs to the technical field of pyrometallurgy of non-ferrous metals. The method comprises: subjecting a crude tin melt obtained by reduction smelting to a condensatio...
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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/2024/064332A2 |
Apparatus is provided for recovering mineral particles of interest from a pulp having crushed ore in a mining process, featuring: a conditioner configured to receive and condition a pulp having crushed ore with mineral particles of inter...
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WO/2024/057216A1 |
A method of extracting copper from a sulfide mineral ore including the steps of stacking the ore to form a heap, in a leach step, irrigating the heap with a first irrigation solution containing an acid nitrate solution and nitrite thereb...
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WO/2024/057234A1 |
Systems, devices, and methods for recovering gold from a loaded resin are disclosed herein. Exemplary methods for recovering gold from a loaded resin can (i) include providing a copper wash solution comprising thiourea and a pH within a ...
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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/2024/053487A1 |
This metal recovery agent comprises a reducing compound which is represented by chemical formula (1), and causes a metal to precipitate by means of reduction caused by the reducing compound. In chemical formula (1), R1 represents CH3 or ...
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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/2024/042225A1 |
The invention relates to a method for separating the components of assemblies containing solder by oxidizing Fe(II) to Fe(III) by means of at least one Fe(II)-oxidizing microorganism and by at least partially leaching solder, wherein Fe(...
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WO/2024/033165A1 |
Disclosed herein are methods for obtaining a composition comprising copper sulfide from a material, wherein the methods comprise: contacting the material with an acidic aqueous solution having a pH less than 6 in the presence of sulfur d...
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WO/2024/035774A1 |
Agglomerates for use in an electric arc furnace, wherein the agglomerates comprise iron or steel or both in particulate form and biochar held together by a binder wherein the bulk density of the agglomerates is sufficient for the agglome...
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WO/2024/030253A1 |
Methods of solvent extraction are provided, including methods that exhibit improved phase disengagement times or reduced crud. The methods may include contacting an aqueous phase with a phase disengagement agent. The phase disengagement ...
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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/2024/020692A1 |
A metal-dissolving apparatus and process is disclosed. The apparatus comprises a reactor, a metal inlet for receiving a metal-containing substance, a solution inlet for receiving a metal-dissolving solution, a solution outlet for providi...
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WO/2024/016522A1 |
The present invention relates to the field of non-ferrous metal metallurgy, and in particular, to a method for reducing acid and iron concentrations in a secondary copper sulfide ore bio-heap leaching system. The iron concentration in a ...
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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/2024/006689A1 |
The method may comprise receiving historical data (e.g., mineralogy data, irrigation data, raffinate data, heat data, lift height data, geographic data on ore placement and/or blower data); training a predictive model using the historica...
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WO/2024/006683A1 |
The method may comprise receiving historical data (e.g., mineralogy data, irrigation data, raffinate data, heat data, lift height data, geographic data on ore placement and/or blower data); training a predictive model using the historica...
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WO/2024/006687A1 |
The method may comprise receiving historical data (e.g., mineralogy data, irrigation data, raffinate data, heat data, lift height data, geographic data on ore placement and/or blower data); training a predictive model using the historica...
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WO/2024/006217A1 |
The method may comprise receiving historical data (e.g., mineralogy data, irrigation data, raffinate data, heat data, lift height data, geographic data on ore placement and/or blower data); training a predictive model using the historica...
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WO/2024/006686A1 |
The method may comprise receiving historical data (e.g., mineralogy data, irrigation data, raffinate data, heat data, lift height data, geographic data on ore placement and/or blower data); training a predictive model using the historica...
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WO/2024/000818A1 |
Disclosed in the present invention is a recovery method for spent lithium battery materials. The recovery method comprises the following steps: (1) subjecting a battery powder obtained by disassembling cells of spent lithium batteries to...
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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/2023/244094A1 |
A method for recovery of valuable metals from spent secondary batteries, according to one embodiment of the present invention, comprises: a pretreatment step of pretreating the spent secondary batteries; a melting step of generating melt...
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WO/2023/243878A1 |
Provided in one embodiment of the present disclosure is a method for leaching copper by using pressure leaching, comprising: a raw material preparation step of preparing a raw material including copper; and a pressure leaching step, whic...
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WO/2023/224907A1 |
A method of obtaining an electrode metal from an electrode of a lithium-ion (Li-ion) battery includes separating an electrode portion from a spent Li-ion battery. A leaching solvent is contacted to the separated electrode portion to form...
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WO/2023/220785A1 |
A method and a mine for in situ recovery of a valuable metal from a hard rock ore body reserve is disclosed. Resource definition holes that were drilled as part of a resource definition program are used as production holes. The resource ...
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WO/2023/212777A1 |
A method of processing a mined ore that contains a valuable metal includes producing a coarse concentrate in a coarse flotation unit (17) in one or more than one "non-hub" mine (1) and transporting the coarse concentrate to a "hub" mine ...
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WO/2023/199270A1 |
A method for recovering metals from scrap sources. The method includes obtaining scrap sources that include the metal to be recovered. The method also includes removing the metal from the scrap sources. Removing the metal from the scrap ...
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WO/2023/199257A1 |
The invention relates to a method for melting non-ferrous metal by means of at least one electric immersion heater, wherein: - at least one electric immersion heater is brought into contact or into close proximity with non-ferrous metal ...
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WO/2023/196348A1 |
Method(s) and system(s) for the direct production of lithium and other metals from a brine solution containing salts of various metal cations at room temperature via a combined sorbent extraction and electrochemical extraction/plating pr...
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WO/2023/189436A1 |
A method for leaching at least one metal in battery powder containing at least copper and one or more of cobalt and nickel, the method including a leaching process repeating multiple times, wherein the leaching process includes: a first ...
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WO/2023/183177A1 |
Black mass from disused lithium batteries is leached for recovery of various metals in a process that includes precipitation, solvent exchange, ion exchange, and salt splitting to create multiple product streams for recovery of pure valu...
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WO/2023/182562A1 |
The present invention relates to a method for recovering, at a high level of purity, valuable metals contained in waste product powder by selectively removing impurities therefrom by means of leaching, purification, and solvent extractio...
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WO/2023/175157A1 |
According to an example aspect of the present invention, there is provided a method for processing a black mass to battery chemicals. The method comprises leaching the black mass using sulfuric acid and a reducing agent to produce a firs...
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WO/2023/167910A1 |
A method and apparatus are presented for recovering a target metal from a feed material. The method includes: contacting the feed material with a lixiviant adapted to leach target metal from a feed material feed stream in a leaching circ...
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WO/2023/164504A1 |
The present invention relates to a method for recovering metals contained in electronic waste, in particular used electronic boards, as well as to a plant adapted to the implementation of this method while limiting energy consumption.
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WO/2023/162361A1 |
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, from raw materials con...
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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/2023/151602A1 |
Provided are a continuous copper smelting process and continuous copper smelting equipment for treating complex gold concentrate.
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WO/2023/148174A1 |
Disclosed are methods for leaching a material comprising copper in a zero oxidation state, wherein the method comprises contacting the material with an acidic aqueous solution having a pH less than 6 to form a leaching mixture, and oxidi...
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WO/2023/134017A1 |
The present invention relates to the technical field of separation and purification, and provides a method for separating and purifying tin and copper from tin refining sulfur slag. According to the present invention, tin refining sulfur...
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WO/2023/119017A1 |
This invention describes a hydrometallurgical process for extracting and recovering valuable metals contained within metalliferous minerals including ores, concentrates and other materials and generation of useful by-products including s...
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WO/2023/115152A1 |
An apparatus for changing one or more physical properties of a material is disclosed. The apparatus comprises first and second grinding surfaces movable relative to one another, the first and second grinding surfaces being spaced apart b...
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WO/2023/121058A1 |
The present embodiments relate to a valuable metal recovery alloy, a valuable metal recovery composition, and a method for recovering a valuable metal. The valuable metal recovery alloy according to an embodiment may comprise, on the bas...
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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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