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WO/2022/161086A1 |
The present invention belongs to the technical field of the recycling of spent lithium-ion batteries, and provided is a process for selectively recovering current collectors from spent lithium-ion batteries, the process comprising the fo...
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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/2022/147078A1 |
A copper concentrate such as chalcopyrite is contacted with an aqueous solution includes acids and a reducing agent, such as vanadium (II) ions, chromium (II) ions, or tungstozincic acid (H6ZnW12O40). The aqueous solution reduces the cop...
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WO/2022/134467A1 |
Disclosed is a method for treating a waste circuit board by means of a continuous copper smelting process. The method comprises the following steps: (1) pre-treating a waste circuit board; (2) batching and conveying; (3) side-blowing sme...
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WO/2022/136316A1 |
This method for processing waste containing metal compounds, in particular waste electrical and electronic equipment, comprises the following steps: - providing a gaseous mixture (MG) comprising ammonium and hydrogen sulphide, and option...
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WO/2022/122022A1 |
A method for preparing silicon carbide from a waste circuit board light panel cracking residue, belonging to the field of comprehensive utilization of waste circuit board cracking products, and particularly relating to a new method for h...
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WO/2022/125872A1 |
The present disclosure is related to the recovery of metal(s) using molten salt and related systems.
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WO/2022/110822A1 |
A method for separating copper and manganese, comprising the following steps: (1) performing first extraction on a copper-manganese liquid to obtain a first organic phase and a first aqueous phase, wherein an extraction agent A used in t...
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WO/2022/104427A1 |
A process for recovery of one or more target metals, selected from precious metals and chalcophile metals as respectively herein defined, from materials containing precious and/or chalcophile metal/s, said process including: (i) leaching...
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WO/2022/092374A1 |
The present invention relates to a method for isolating cobalt, nickel and copper, which are contained in a waste lithium ion battery, by means of selective leaching. The method according to the present invention is a leaching method for...
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WO/2022/090630A1 |
The invention relates to a control system for a copper extraction process having at least a leaching phase (9), a solvent extraction phase (15) and an electrowinning phase (16), the leaching phase comprising a post leach thickener (13). ...
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WO/2022/087063A1 |
A process which improves the environmental performance of primary non-ferrous metal smelters by reducing carbon emissions, providing enhanced energy utilization, improving consumption efficiencies, and improving worker safety. The smelte...
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WO/2022/081411A1 |
The present disclosure provides a method of recovering copper, molybdenum, and a precious metal value from a metal-bearing material, the method comprising bulk flotation of the metal-bearing material to form a flotation product, wherein ...
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WO/2022/079133A1 |
The invention relates to a method for purifying at least one fraction or compound of interest from a starting material comprising at least two inorganic compounds or at least one inorganic compound and at least one organic compound. The ...
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WO/2022/081413A1 |
The present disclosure provides a method of recovering copper, molybdenum, and a precious metal value from a metal-bearing material, the method comprising bulk flotation of the metal-bearing material to form a flotation product, wherein ...
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WO/2022/067448A1 |
Solutions and methods for leaching coinage metals. For example, Solutions and methods for leaching copper and/or silver from a substance comprising copper and/or silver (such as a coinage metal-concentrate, or electronic waste) using a w...
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WO/2022/068983A1 |
The invention relates to a method for the desulphurisation of industrial exhaust gas with an SO2 output content in the range of 12 to 30 vol.%, in particular exhaust gas from large-scale pyrometallurgical processes, the desulphurisation ...
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WO/2022/056622A1 |
The present disclosure relates to the use of a wetting agent such as a non-ionic wetting agent and a reagent comprising a thiocarbonyl functional group, for example, in a method/process or use for extracting a base metal such as copper f...
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WO/2022/059565A1 |
A method for recovering valuable materials from a lithium ion secondary battery, the method including: a heat treatment step for heat-treating a lithium ion secondary battery containing aluminum, carbon, and copper foil as constituent ma...
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WO/2022/057882A1 |
Disclosed is a resource recycling method for a copper smelting residue, comprising the following steps: (1) mixing a copper blowing residue, a vulcanizing agent 1, a residue type modifier 1 and a reducing agent 1, smelting same to obtain...
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WO/2022/056621A1 |
The present disclosure relates to the use of carbonaceous matter and a reagent comprising a thiocarbonyl functional group, for example, in a method for extracting a base metal such as copper from a material comprising the base metal. Suc...
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WO/2022/054723A1 |
A valuable matter recovery method comprising: a heat treatment step for heat-treating an object containing a valuable matter by supporting an object storage means that houses the object by means of a support means capable of supporting s...
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WO/2022/048308A1 |
The present application relates to a method for separating copper and manganese from a mixed solution containing copper, manganese, calcium and zinc, the method comprising: (1) subjecting the mixed solution containing copper, manganese, ...
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WO/2022/044934A1 |
Provided are: an alloy powder in which nickel and cobalt can be easily dissolved in an acid and stably leached with an acid; a manufacturing method with which an alloy powder that enables stable acid leaching can be obtained at low cost;...
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WO/2022/044599A1 |
In order to decrease arsenic, which is a harmful substance, in a copper concentrate, provided is a method for selectively recovering an arsenic-containing copper mineral from a mixture including the arsenic-containing copper mineral and ...
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WO/2022/042228A1 |
The present invention relates to a method for recycling iron and aluminum in a nickel-cobalt-manganese solution. The method comprises the following steps: leaching a battery powder and removing copper therefrom to obtain a copper-removed...
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WO/2022/036399A1 |
An apparatus for recovering metal copper from a product material, comprising: a body having a central core formed therein and a coil mounted within the body and arranged to extend in a vertical axis so as to extend about the central core...
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WO/2022/038854A1 |
The present invention involves an arsenic flotation step of subjecting, to flotation, slurry in which mineral ores including a copper mineral substance and an arsenic mineral substance are mixed without adding a collector or with a colle...
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WO/2022/028004A1 |
Disclosed is a multilayer hierarchical matching optimization method for an operating mode of a copper matte blowing process, comprising initializing system parameters, discretizing and then layering an operating mode, and calculating a h...
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WO/2022/031191A1 |
A method of processing copper-containing materials with the recovery of a precious metal concentrate can be used in non-ferrous metallurgy in the comprehensive processing of copper materials, copper-nickel materials or other copper-conta...
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WO/2022/021879A1 |
Provided are an electric furnace oxygen-blowing smelting process and system. The electric furnace oxygen-blowing smelting process comprises: in an electric furnace, carrying out oxygen-blowing smelting on an output of a copper concentrat...
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WO/2022/026817A1 |
A method of processing a pyrite-containing slurry is disclosed. The method includes removing pyrite from the pyrite-containing slurry and forming (i) an inert stream and (ii) a pyrite-containing material, with the pyrite-containing slurr...
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WO/2022/019172A1 |
The present invention provides a method for recovering a valuable metal with high efficiency, while suppressing refractory erosion in a furnace and efficiently removing impurity metals in cases where a valuable metal is recovered from a ...
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WO/2022/012968A1 |
The present invention relates to a method for obtaining metals of the 8th to 14th group, in particular raw copper, comprising the steps of: i) providing and melting down a mixed feed comprising electronic waste in a smelting reactor, so ...
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WO/2022/012851A1 |
The present invention relates to a method for obtaining non-ferrous metals, more particularly black and/or raw copper, from scrap containing organic matter (8), comprising the steps: i) providing a melting reactor (2), the melting reacto...
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WO/2022/009657A1 |
The present invention provides a method capable of precisely controlling the oxygen partial pressure required when raw materials are melted, and thereby more efficiently recovering valuable metals. Provided is a method for recovering v...
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WO/2022/009656A1 |
The present invention provides a method which is capable of more strictly controlling the oxygen partial pressure required during the melting of a starting material, thereby being capable of recovering a valuable metal more efficiently.ã...
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WO/2022/009742A1 |
The purpose of the present invention is to provide a method whereby an oxygen partial pressure required for the melting of a raw material can be controlled accurately and thereby a valuable metal can be recovered more efficiently. Prov...
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WO/2021/243477A1 |
The composition of the present application comprises: one or more surfactants and one or more adjuvant gases in the hydrometallurgical and pyrometallurgical processes in which it is used, which are added thereto as nanobubbles and microb...
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WO/2021/235699A1 |
The present invention relates to a method for recovering precious metals from a waste printed circuit board and, more specifically, to: a step (S1) of separating a precipitate comprising tin and lead by pre-treating a waste printed circu...
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WO/2021/228464A1 |
The invention relates to a gas injection device (1) for introducing a process gas into a non-iron molten metal and/or slag, in particular molten copper and/or copper slag, comprising a hollow cylindrical lance (2) which is made of a refr...
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WO/2021/226719A1 |
A green chemistry hydrometallurgical process for recovering one or more metals from a metal-containing material includes leaching the metal-containing material with formic acid, obtaining a leachate comprising the one or more metals as o...
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WO/2021/217220A1 |
Disclosed herein is a method for reducing a metal oxide in a metal oxide containing precursor. The method comprises providing a reaction mixture comprising the metal oxide containing precursor and an aluminium reductant; heating the reac...
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WO/2021/215449A1 |
Provided is a method for efficiently promoting a leaching reaction of copper. Equipment for inducing leaching of copper, wherein: the equipment comprises a leaching reaction reactor and a reduction potential controller; the reactor is co...
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WO/2021/207792A1 |
A process for leaching minerals that contain metal sulphides and one or more precious metals or precious metal compounds, the process comprising the steps of a first leaching step to leach the minerals under oxidative conditions at a pH ...
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WO/2021/205903A1 |
The purpose is to provide a method for recovering a valuable metal at low cost. The present invention is a method for recovering a valuable metal, the method comprising a step of preparing a burden material containing at least a valuab...
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WO/2021/204579A1 |
A direct current plasma arc furnace (1) for melting and/or treating a material by production of electric arcs and providing a molten product, the furnace (1) comprising; a tank (10) comprising: a crucible (12) delimiting a chamber (11) c...
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WO/2021/186376A1 |
An oxidative bioleaching process for leaching a base metal from an ore that includes an ore agglomeration step, an ore stacking step wherein agglomerated ore is stacked to form a heap, a curing step, a rinse step, an inoculation step and...
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WO/2021/186374A1 |
A method of leaching copper from a heap of ore which includes an ore agglomeration step, an ore stacking step wherein agglomerated ore is stacked to form a heap, a curing step, a leach step, and a rinse step, wherein, during the ore aggl...
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WO/2021/177005A1 |
Provided is a method for recovering valuable metals contained in waste batteries, wherein valuable metals can be efficiently recovered while suppressing a reduction in recovery rate. The method according to the present invention for re...
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