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Matches 101 - 150 out of 3,821

Document Document Title
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...  
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...  
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...  
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). ...  
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...  
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 ...  
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 ...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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, ...  
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;...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
WO/2021/172718A1
The present invention relates to a metal leaching method using linking between bioleaching and adsorption, the method adsorbing and recovering metal cyanide ions generated through bioleaching, thereby increasing metal leaching efficiency...  
WO/2021/166755A1
Provided is a method for treating an alloy by which nickel and/or cobalt can be selectively isolated from an alloy that contains copper as well as nickel and/or cobalt, in a waste lithium ion battery or the like. The present invention ...  
WO/2021/157483A1
Provided is a separation method for valuable resources, the method comprising: a heat treatment step for heat-treating an object containing valuable resources to melt aluminum and separate a molten material; a crushing step for crushing ...  
WO/2021/147342A1
An all-component rapid microwave digestion and noble metal ion liquid extraction method for a waste circuit board, belonging to the field of hydrometallurgy. As microwave can penetrate a leaching medium and directly heat a circuit board,...  
WO/2021/134385A1
An oxygen-enriched side blowing furnace smelting method for a secondary resource having arsenic and dispersed elements by adding ion and chlorinating agent respectively, comprising: adding a chlorinating agent accounting for 1-1.5% of th...  
WO/2021/127795A1
This patent of invention application relates to a system for detecting and quantifying mineralogical species by means of X-ray diffraction (XRD) of the dry copper concentrate prior to being injected in a converter or smelting furnace. Sp...  
WO/2021/129205A1
A method for the coordinated treatment of slag from the pyrolysis of and smoke from smelting a scrap circuit board, which belongs to the field of the comprehensive recovery and use of valuable elements in typical ash from the fire treatm...  

Matches 101 - 150 out of 3,821