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Matches 1 - 50 out of 4,995

Document Document Title
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...  
WO/2019/071790A1
A method for recovering valuable components from mixed slag containing zinc and iron, comprising the following steps: S1, adding zinc smelting slag into a heat preservation device or into a smelting reaction device from which slag may fl...  
WO/2019/071792A1
A production method based on smelting reduction of slag containing zinc and iron. The method comprises the following steps: S1, adding zinc smelter slag into a thermal insulation apparatus or a smelting reaction apparatus allowing slag t...  
WO/2019/055766A1
Compositions and methods are provided that provide recovery of metals such as copper, nickel, cobalt, indium, and other metals are recovered from mine tailings, in situ ore bodies, or postconsumer waste. An amine-containing lixiviant is ...  
WO/2019/047468A1
A method for sulfuration of a tin refining sulfur slag, comprising: uniformly mixing the sulfur slag and a sulfurizing agent, then placing the mixture into a sealed container, and performing a sulfuration reaction under the oxygen-free c...  
WO/2019/038866A1
A concentrate burner of a copper smelting furnace, which is mounted on the upper part of the reaction shaft of the copper smelting furnace and charges starting material containing copper concentrate into the copper smelting furnace, is c...  
WO/2019/033154A1
A process for recovery of one or more elements, selected from precious metals and chalcophile metals, as herein defined, from materials containing precious and/or chalcophile metal/s, said process including: (i) contacting the material w...  
WO/2019/035446A1
Provided is a metal which is one of tin, silver, copper, zinc, or indium, and has low α-ray emission, wherein the α-ray emission of the metal after being heated in air at 100°C for 6 hours is 0.002 cph/cm2 or less. A metal selected fr...  
WO/2018/217083A8
A hydrometallurgical process is provided for the recovery of one or more target metals from a metalliferous feed material to produce one or more metal products by using ammonia leaching and solvent extraction, whereby entrained ammonia i...  
WO/2019/008962A1
Provided is an ore dressing method capable of efficiently separating copper ore from molybdenum ore. The ore dressing method is provided with: a conditioning step for adding a sulfite as a surface treatment agent to an ore slurry compris...  
WO/2019/006568A1
The present invention relates to a method for extracting base and precious metals, all contained in refractory minerals, using aqueous media. The aim is to replace the current "flotation/smelting"· method for extracting minerals in Chil...  
WO/2018/234855A1
This invention relates to an integrated process for recovering value metals from sulphide ore which includes the steps of bulk sorting 16 and screening 24/28 crushed ore. The sorted/screened coarse ore stream is ground and classified 20 ...  
WO/2018/231040A1
The present invention relates to copper leaching, more specifically to a method for leaching copper oxide ore to produce copper precipitates, which method uses a non-polluting leaching agent and comprises the following steps: (a) crushin...  
WO/2018/228073A1
An anode copper production method and device. The production method comprises the following steps: conveying copper matte to a copper production furnace (20), and injecting oxygen-enriched air into the copper production furnace (20) to p...  
WO/2018/231533A1
Methods for removing sludge and/or impurities from a molten metal are disclosed herein, as well as sludge removal devices and systems for use in the methods. Sludge removal devices that can reduce the downstream deposition of sludge in c...  
WO/2018/228075A1
A method and system for short-process copper smelting. Copper smelting equipment employed in the method comprise a smelting furnace (10), a copper forging furnace (20), a CR furnace (30), a first flow groove, and a second flow groove. Th...  
WO/2018/217083A1
A hydrometallurgical process is provided for the recovery of one or more target metals from a metalliferous feed material to produce one or more metal products by using ammonia leaching and solvent extraction, whereby entrained ammonia i...  
WO/2018/206237A1
The content of oxygen in molten metallic copper is reduced during the copper refining process by adding pure carbon monoxide, produced by electrolysis of carbon dioxide in a solid oxide electrolysis cell (SOEC), thereby removing oxy- gen...  
WO/2018/202691A1
The present invention relates to a method for performing a bioleaching process of chalcopyrite comprising the steps of: providing a chalcopyrite containing material; providing microorganisms, the microorganisms oxidizing iron(ll) at a ra...  
WO/2018/187855A1
Process for recovering one or both of copper and silver from a sulphidic feed containing iron, arsenic, copper and silver by pressure oxidizing an aqueous feed slurry of the sulphidic feed in a pressure vessel to form a liquid phase cont...  
WO/2018/189154A1
Disclosed is a pyrometallurgical process for producing a crude solder from a feedstock selected in terms of its levels of Sn, Cu, Sb, Bi, Zn, As, Ni and Pb, the process comprising at least the steps of obtaining in a furnace a liquid bat...  
WO/2018/184071A1
A method of leaching copper-containing ores, such as chalcopyrite ores, with a leach liquor in the presence of silver and an activation agent that activates silver whereby the silver enhances copper extraction from copper ores.  
WO/2018/181816A1
A lithium ion battery scrap treatment method including a calcination step, a crushing step, and a sieving step, followed by: a leeching step in which Cu is leeched an acidic solution and at least some Cu remains as a solid; an Fe/Al-remo...  
WO/2018/172307A1
The present invention relates to a process to treat metal or mineral ores with a collector composition that comprises a nitrile group-containing compound of the formula (I) wherein R is a saturated or unsaturated, linear or branched, hyd...  
WO/2018/161652A1
A beneficiation-metallurgy combination recycling method for a solid inclusion copper oxide ore. According to the purpose, high-intensity magnetic separation is performed on a copper oxide ore wrapped by a weakly magnetic ore which is dif...  
WO/2018/161653A1
A method for recycling wrapped complex copper oxide ores. A wrapped copper oxide ore which is difficult to recycle by floatation and has a low direct acid leaching rate is subjected to a combination of vulcanization, xanthate, fatty acid...  
WO/2018/127979A1
Provided is a treatment method for arsenic-containing copper mineral, with which it is possible to efficiently leach copper from an arsenic-containing copper mineral, and with which it is easy to recover arsenic. This treatment method fo...  

Matches 1 - 50 out of 4,995