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Matches 1 - 50 out of 5,086

Document Document Title
WO/2020/183261A1
The present invention concerns a method for recovering gold from electronic components, comprising the execution of a first macro-step of dissolving gold and copper from said electronic components using an aqueous solution comprising HNO...  
WO/2020/171994A1
Provided herein is a system for producing suspensions comprising soluble metal ions. The system comprises a basket to hold a metal load comprising a permeable floor so as to allow a solution to come into contact with the metal load. The ...  
WO/2020/142855A1
The present patent relates to a plant in a regime for the two-stage production of copper sulphate pentahydrate from oxidised copper minerals, with an average content of 20% Cu, with mineral species predominant in copper oxides. The first...  
WO/2020/142856A1
The present patent considers a two-stage method for obtaining copper sulphate pentahydrate from oxidised copper minerals with an average content of 20% Cu, wherein the predominant mineralogical species are copper oxides. The first stage ...  
WO/2020/126632A1
The present disclosure concerns a process for the recovery of valuable metals from polymetallic nodules. A two-stage process using SO2 in an acidic aqueous media is disclosed. In a first step, performed in mildly acidic conditions, Mn, N...  
WO/2020/081707A3
Methods and systems for removing impurities from a molten salt stream are provided. A molten salt stream is provided that comprises a mixture of compounds selected from the group consisting of LiF, BeF2, and NaF, and ZrF4. The molten sal...  
WO/2020/099912A1
The invention relates to a chemical and physical hydrometallurgical method with solid-liquid-solid interaction, for the solubilisation of copper sulphides, by means of the selective transformation and precipitation of soluble, chlorinate...  
WO/2020/099966A1
The present invention relates to a solid-liquid-solid hydrometallurgical method in the presence of hydrated and/or non-hydrated salts in an oversaturation condition, which is achieved by the intentional and repetitive application of dryi...  
WO/2020/093234A1
Disclosed is a fuel mixture for smelting copper. The fuel mixture comprises: a composite carbon powder, oxygen and natural gas, which are conveyed to a mixing gun through respective conveying pipes therefor and merged, and are finally in...  
WO/2020/082726A1
A bottom-blowing refining furnace and use thereof. The bottom-blowing refining furnace comprises a rotary furnace (100) and a bottom-blowing redox lance (200). The rotary furnace (100) comprises a rotary furnace housing (110), a furnace ...  
WO/2020/085219A1
Provided is a method for selecting a mineral containing arsenic. A peptide having the following amino acid sequence: (TSNQ)-(LIVFA)-(ED)-(RKNMDCPQSETGWHY)-(LIVFA)-(RKNMDCPQSETGW HY)-(LIVFA)-(LIVFA)-(LIVFA)-(RHK)-(TSNQ)-(TSNQ) [wherein an...  
WO/2020/078779A1
The present invention relates to a process for the recovery of transition metals from batteries comprising treating a transition metal material with a leaching agent to yield a leach which contains dissolved copper impurities, and deposi...  
WO/2020/077026A1
Disclosed are reagent compositions for metal solvent extraction and methods of preparation and use thereof. In certain embodiments, the disclosure relates to recovering metal values from an aqueous process stream using solvent extraction...  
WO/2020/062145A1
An oxygen pressure leaching method for a copper sulfide concentrate and a copper smelting method. The oxygen pressure leaching method comprises: first, adding water to the copper sulfide concentrate and grinding same into pulp; adding a ...  
WO/2020/057266A1
A copper smelting device, comprising a furnace body (100), a feeding port (101), a smoke outlet (106), a slag outlet (102), a copper matte port (103), and a primary air vent (104). A copper matte layer (112), a slag layer (113), and a ga...  
WO/2020/041914A1
The present invention relates to a system for imparting solubility in an aqueous medium to chemical elements contained in a sulfide ore concentrate having iron, cobalt, nickel, copper, platinum-group metals and other metals considered va...  
WO/2020/044365A1
The present invention relates to a method of extraction of metals from printed circuit boards of electronic devices in an environmentally friendly and economical process. This is achieved by the use of a single acid. The main principle u...  
WO/2020/037357A1
A method of recovering gold and copper from a sulphide ore includes (a) removing valuable fines from a product stream from a comminution circuit, such as a crushing and milling circuit, for run of mine ore and producing a valuable fines ...  
WO/2020/013293A1
Provided are: an alloy powder that can be obtained from a waste lithium ion battery, wherein the alloy powder can be dissolved easily in an acid solution and enables efficient recovery of valuable metals contained in the alloy powder; an...  
WO/2020/013294A1
Provided is a more efficient dry refining process for improving the recovery rate of phosphorus-free valuable metals from waste lithium ion batteries. The present invention provides a method for recovering valuable metals from waste lith...  
WO/2020/010745A1
A solar cell recycling method, comprising: separating an organic film layer from a solar cell, and thereby forming a de-encapsulated solar cell, the de-encapsulated solar cell comprising a stainless steel substrate and an active material...  
WO/2019/242607A1
A copper slag depletion device and method. The device comprises a copper slag depletion treatment furnace (10) and a wire feeding device (20), wherein the copper slag depletion treatment furnace (10) uses electrothermal or plasma heat as...  
WO/2019/232630A1
A device and burner for a flash furnace, and methods for monitoring the operation, and operating, a flash furnace burner. The burner comprises a burner block and a sensor positioned to take readings of combustions within a combustion env...  
WO/2019/213694A1
A method of leaching copper-containing ores includes leaching copper-containing ores or concentrates or tailings of the ores or concentrates with a leach liquor in the presence of an additive that enhances the dissolution of copper from ...  
WO/2019/203342A1
The objective of the present invention is to separate a metal RI in a short time. A separating device 3 for separating a radioisotope (RI) from a first solution containing a metal and the RI, obtained by transformation of the metal, is p...  
WO/2019/193403A1
The present invention relates to an autocatalytic reductive chemical procedure with solid-solid interaction in conditions of supersaturation of salts, via the phenomenon of efflorescence in order to dissolve a copper metal, from a metall...  
WO/2019/163607A1
Provided is an operating method for a metal refining furnace that can control against deformation of a furnace body due to expansion of refractories of the metal refining furnace. Displacement meters 8-1 through 8-42 are disposed around ...  
WO/2019/151351A1
Provided is a processing method for electronic/electric device component waste by which it is possible to increase the amount of electronic/electric device component waste that can be processed in a smelting step, and by which valuable m...  
WO/2019/138316A1
The invention provides a process for recovering copper (Cu) and cobalt (Co) from a copper–cobalt containing material sample, and which is adapted for treating both low and high grades of copper–cobalt source material, such as Cu-Co s...  
WO/2019/128754A1
A method and apparatus for the comprehensive recycling of copper smelting slag. The method comprises the following steps: introducing copper smelting slag to a cavity by means of a first inlet; and in the heat supply state of an electrod...  
WO/2019/128863A1
A method for circulated chloridized enrichment of noble metals from circuit board molten pool smelted flue dust. The smelted flue dust is subjected to acid extraction, and calcined two times to obtain calcined sands and flue gas, the cal...  
WO/2019/131977A1
Providing a method of recovering Cu from copper ore containing Hg. A method for recovering Cu from copper ore, the method comprising: (A) providing copper ore containing Hg with an amount of 0.2 ppm or more; (B) treating the copper ore t...  
WO/2019/121086A1
Process for the recovery of transition metal from cathode active materials containing nickel and lithium, wherein said process comprises the steps of (a) treating a lithium containing transition metal oxide material with a leaching agent...  
WO/2019/123365A1
A method of maximising the amount of water available for rinsing in a high-chloride heap leach operation which includes the step of using process make-up water in the range of 0.05 to 0.35 m3 / ton of ore to rinse leach residue ore, in t...  
WO/2019/124015A1
Provided is a method for separating copper from nickel and cobalt, which can efficiently and selectively separate copper from nickel and cobalt in a substance containing copper, nickel, and cobalt in a waste lithium ion battery, etc. In ...  
WO/2019/123362A1
A method of controlling the acid balance in a high chloride heap leach process tomaximise the copper dissolution in a cure step and to increase overall copperrecovery which include an agglomeration stage in which acid and processsolution...  
WO/2019/119166A1
The present invention relates to the field of mining. Specifically, to a method for bioleaching minerals. Even more specifically, to a method for bioleaching sulfur-containing minerals using a consortium of microorganisms comprising iron...  
WO/2019/115543A1
Disclosed is a process for the production of a crude solder product and a copper product comprising the steps of a) providing a black copper comprising >= 50%wt of copper together with >= 1.0%wt of tin and/or >= 1.0%wt of lead, and (i) r...  
WO/2019/115536A1
Disclosed is a process for the production of a crude solder composition (18, 26) comprising the provision of a first solder refining slag (16, 24) comprising tin and/or lead, the process further comprising the steps of (i) partially redu...  
WO/2019/113719A1
The invention relates to an agglomerate product comprising a compacted mixture primarily formed of oxides such as silica, calcium oxide, magnesium oxide, aluminium oxide and clinoptilolite, carbon, sodium carbonate, iron oxide and binder...  
WO/2019/115524A1
Disclosed is a dilute copper metal composition (11, 15) comprising 57-85%wt Cu, ≥3.0%wt Ni, ≤0.8%wt Fe, 7-25%wt Sn and 3-15%wt Pb, together with a process comprising partially oxidizing b) a black copper composition (1) to obtain a f...  
WO/2019/102765A1
Provided is a treatment method whereby it becomes possible to recovery copper, nickel and cobalt, which are valuable metals, contained in a lithium ion battery waste and to separate copper, nickel and cobalt from one another effectively....  
WO/2019/102764A1
Provided is a method whereby it becomes possible to treat a lithium ion battery waste more efficiently and stably while reducing the loss in the collection of a valuable metal, e.g., nickel and copper, in the collection of the valuable m...  
WO/2019/084669A1
A process for recovering copper from heap leach residues containing residual copper, includes identifying a production zone within the heap leach residues for secondary leaching, drilling wells into the heap at locations suitable for del...  
WO/2019/071798A1
A method for producing smelting slag from nickel, comprising the following steps: S1, mixing furnace slag: adding nickel smelting slag into a smelting reaction device, and adding a calcium-series mineral and an additive; stirring, heatin...  
WO/2019/071797A1
A method for producing mixed slag containing nickel and iron, comprising the following steps: S1. furnace slag mixing: adding nickel smelting slag into a reaction apparatus, and adding one or more of lead smelting slag, blast furnace sla...  
WO/2019/071795A1
A manufacturing method using a copper-containing slag, comprising the following steps: S1, slag mixing: putting a copper slag into a reaction device and adding calcium-based minerals and additives, heating the slag into a molten state an...  
WO/2019/071788A1
A manufacturing method using a copper and iron containing mixing slag. The manufacturing method comprises the following steps: S1, slag mixing: putting a copper slag into a smelting reaction device, adding one or more of a lead smelting ...  
WO/2019/071787A1
A method for recovering valuable components from smelting slag containing nickel, comprising: adding nickel smelting slag into a reaction device, adding a calcium-series mineral and an additive, forming mixed slag, heating the mixed slag...  
WO/2019/071793A1
A method for recovering a valuable component from slag containing copper, comprising: S1. mixing furnace slag: adding copper slag into a smelting reaction device, adding a calcium-series mineral and an additive, forming mixed slag, heati...  

Matches 1 - 50 out of 5,086