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JP2022085447A |
To provide an efficient pyrometallurgy process capable of recovering a valuable metal at a high recovery rate.A method for recovering a valuable metal (Cu, Ni, Co) includes steps of: preparing a charging material at least including a val...
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JP2022085446A |
To provide an efficient pyrometallurgy process capable of recovering a valuable metal at a high recovery rate.A method for recovering a valuable metal (Cu, Ni, Co) includes steps of: preparing a charging material at least including a val...
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JP7062748B2 |
To appropriately treat a general waste incineration ash.A method for treating a general waste incineration ash includes: a step of sieving the general waste incineration ash by using a sieve having a sieve mesh of 30-100 mm; a step of ma...
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JP7052635B2 |
To provide a method for separating copper, nickel and cobalt capable of efficiently and selectively separating copper, nickel and cobalt from a mixture containing copper, nickel and cobalt.A method for separating copper, nickel and cobal...
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JP7044404B2 |
This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, whe...
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JP2022039446A |
To provide a method for enabling to obtain alloy powder small in particle size fluctuation by atomizing.The present invention is a method of producing alloy powder containing Cu, Ni and Co from an alloy melt M by a water atomizing method...
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JP2022035750A |
To provide a flotation method that can effectively separate an arsenic mineral from a copper mineral.The method includes an arsenic flotation step of subjecting, to flotation, slurry in which mineral ores including a copper mineral and a...
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JP2022032930A |
To provide a method of efficiently recovering a valuable metal such as tin from an intermediate raw material containing copper and a metal oxide produced in a dry copper smelting process.By providing an intermediate raw material containi...
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JP7022331B2 |
To provide a method for preventing generation of problems such as short circuit or reduction of operation efficiency, due to abnormal growth of copper grains while maintaining high current efficiency.There is provided a copper removal el...
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JP7019311B2 |
To provide a method for determining slag-making stage end point in which the impurity grade in blister copper can be suppressed.The method for determining slag-making stage end point is characterized in that during operation of slag-maki...
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JP6992691B2 |
To provide a method of efficiently separating Cu/Ni and/or Co from an alloy which contains Cu/Ni and/or Co.In a method of separating Cu/Ni and/or Co from an alloy, the alloy which contains Cu/Ni and/or Co is used as an anode and, when me...
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JP7009245B2 |
To suppress gas leakage in a copper smelting converter.A copper smelting converter comprises: a castable refractory layer installed on the inner peripheral wall surface of a furnace steel shell; a tuyere pipe attached to the furnace stee...
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JP7007905B2 |
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...
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JP7006739B1 |
To provide an alloy powder in which nickel and cobalt are easily acid-dissolved and stably acid leached, a production method capable of stably obtaining an acid leaching alloy powder at low cost, and a valuable metal using the production...
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JP6998259B2 |
To provide a treatment method of copper ore containing arsenic and no soluble iron mineral, and capable of effectively removing the arsenic.In a treatment copper ore containing arsenic and no soluble iron mineral, a copper bleeding proce...
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JP6999109B2 |
To provide a beneficiation method that can efficiently recover fine particles of copper mineral.The beneficiation method comprises an aggregation step of adding kerosene to a mineral slurry containing fine particles of copper mineral hav...
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JP6990753B1 |
To recover copper from a lithium ion secondary battery containing aluminum, carbon and copper foil as a constituent material with a small number of steps, high quality, low aluminum quality, low fluorine quality and low carbon quality. T...
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JP2022502563A |
In the method of obtaining a brass billet having a reduced lead content of the present invention, a finished product or a semi-finished product made of conventional brass is machined by chip removal to obtain a conventional brass chip, a...
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JP2022001668A |
To provide a method of recovering base metal ions from a material containing base metal sulfide.The method comprises: bringing a material containing base metal sulfide into contact with an acidic solution containing halide ions and a rea...
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JP6985163B2 |
To provide an operation method of a flash furnace capable of efficiently dissolving and removing a coagulum at a connection opening between an uptake and an exhaust heat boiler.An operation method of a flash furnace dissolves and removes...
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JP6985678B2 |
To provide an electrolytic method capable of electrorefining a low-grade copper anode resulting from a secondary raw material such as a refining residue of a nonferrous metal and electric/electronic equipment waste, which has been diffic...
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JP6983666B2 |
A method of melting and refining an alloy comprises vacuum induction melting starting materials to provide a vacuum induction melted alloy. At least a portion of the vacuum induction melted alloy is electroslag remelted to provide an ele...
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JP2021191888A |
To provide a burner cone liner that can suppress wear of and damage to the inner surface without resort to wear resistance of the burner cone liner itself, and a method for producing the burner cone liner.A burner cone liner is provided ...
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JP6977515B2 |
To provide the method for electrolytically refining the nonferrous metal, that can prevent nonuniform current distribution in an electrolytic tank brought about by an increase in electrical resistance due to a reduction in a contact area...
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JP6974562B2 |
To provide an operation method for an oxygen producing device, capable of shortening a time required for operating the oxygen producing device.An operation method for an oxygen producing device is a method for operating an oxygen product...
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JP6970044B2 |
To provide a method for operating copper smelting furnace in which slag loss can be suppressed.The method for operating copper smelting furnace is a method for operating copper smelting furnace to generate a mat and a slag by introducing...
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JP6966960B2 |
To provide a method for processing a lithium ion battery waste, which enables the effective separation of a predetermined metal by sieving.A method for processing a lithium ion battery waste according to the present invention is a proces...
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JP6967802B2 |
Provided is a method of making a fiber comprising metal nanoparticles. The method includes steps of: Step (A): providing a fiber and a metal salt aqueous solution comprising first metal ions; Step (B): making the metal salt aqueous solut...
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JP6963746B2 |
To provide a valuable metal recycling method from a copper scrap containing vinyl chloride for easily recovering and recycling the valuable metal from a scrap such as a waste copper wire material containing vinyl chloride.There is provid...
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JP6962017B2 |
To provide a treatment method of waste acid capable of reducing amount of sulfide precipitates repeated in a refinement process by separating and recovering heavy metals other than Cu contained in waste acid.A treatment method has a firs...
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JP6958235B2 |
To provide a method of separating copper from nickel and cobalt that makes it possible to separate selectively copper from nickel and cobalt with efficiency, in an alloy containing copper, and nickel and cobalt: for example, an anticorro...
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JP6958304B2 |
To provide a lifting device capable of adjusting a height of a concentrate chute in a short time.A lifting device A includes an arm 30 fixed to a concentrate chute 24, and a jack 40. The jack 40 includes a proximal fixed to a wind box 21...
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JP6958659B2 |
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 valuable...
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JP6950900B2 |
To provide a beneficiation method capable of efficiently separating copper minerals and molybdenum minerals.A beneficiation method includes: a conditioning step of adding a disulfite to a mineral slurry containing copper minerals and mol...
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JP2021161464A |
To provide a mixing method of a raw material to be treated in copper smelting capable of homogeneously mixing a wet raw material containing miscellaneous raw materials and copper concentrate.A method for preparing a copper smelting raw m...
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JP2021155762A |
To provide a method for inexpensively recovering valuable metal by using a long-life refractory material, and a long-life refractory material that is used when recovering valuable metal.A method for recovering valuable metal including th...
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JP2021155761A |
To provide a method for inexpensively recovering valuable metal by using a long-life refractory material, and a long-life refractory material that is used when recovering valuable metal.A method for recovering valuable metal including th...
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JP6938414B2 |
To provide a method for processing component scraps which enables the removal of Sb one of smelting inhibitors while suppressing a loss of valuable metals recoverable in the copper smelting process.A method for processing component scrap...
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JP6940003B2 |
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...
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JP6939506B2 |
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 ...
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JP6936344B2 |
Provided is a method for processing electronic/electrical device component waste, which can increase an amount of electronic/electrical device component waste processed in a smelting step and efficiently recover valuable metals. The meth...
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JP2021130064A |
To provide a beneficiation method enabling fine powder of copper ore to be efficiently coagulated.The beneficiation method comprises a coagulation step of coagulating fine particles of copper ore, by adding emulsification kerosene into a...
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JP6931844B2 |
To provide a beneficiation method in which minerals containing arsenic or molybdenum can be separated more efficiently.A beneficiation method includes a heating step for heating a raw material containing a first mineral containing iron a...
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JP6918985B2 |
This raw material supply device supplies a raw material into a flash furnace, and at least supplies into the flash furnace a reaction gas that contributes to the reaction of the raw material, and is provided with: a lance which has a hol...
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JP2021115561A |
To provide a valuable metal adsorbent that has high adsorption power per unit amount, and can selectively adsorb and recover a valuable metal.A valuable metal adsorbent contains a cellulose derivative that has a repeating unit represente...
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JP6914505B2 |
To provide a novel peptide having binding affinity to chalcopyrite for separating enargite and chalcopyrite, and application thereof.A peptide is selected from: (a) a peptide containing a specific amino acid sequence; (b) a peptide conta...
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JP6913043B2 |
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 ...
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JP6915497B2 |
Provided is a method for separating copper from nickel and cobalt with which it is possible to selectively and efficiently separate copper, as well as nickel and cobalt, from an alloy including copper, nickel, and cobalt such as an alloy...
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JP6902679B1 |
To provide a method and an apparatus for producing a fine particle CuCr contact material at low cost using CuCr chips. The method for producing fine particle CuCr contact material is to wash and dry S1, mold an S2 electrode, put it in an...
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JP6900738B2 |
To provide a device and a method for preventing leakage of molten steel, which can easily detect damage on an outer surface of a converter and prevent molten steel from leaking from the outer surface of the converter.The device for preve...
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