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JP2022083866A |
To provide a method for smelting an oxide ore capable of enhancing a grade of a metal to be obtained, and efficiently producing a high-quality metal.A method for smelting an oxide ore includes: a mixing step of obtaining a mixture contai...
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JP7077498B2 |
To recover metals such as nickel and cobalt inexpensively and efficiently from recovered materials from secondary batteries.Provided is a metal recovery method comprising: allowing a reductant to act on recovered materials obtained from ...
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JP2022080505A |
To provide a flash device and a method for efficiently extracting a residue such as a leach residue left inside a flash tank.A flash device 9 is positioned on a downstream side of an autoclave 4 which performs exudation processing with a...
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JP7070208B2 |
To provide an efficient production method of a high purity cobalt chloride aqueous solution of a low Mg concentration.The production method of a high purity cobalt chloride aqueous solution is comprised of a solvent extraction step S1 an...
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JP2022075169A |
To provide a discharge method capable of discharging a diluted residue in a flash vessel to a liquid level that allows for a manhole to be opened.A discharge method for discharging a residue remaining in flash vessels 20, 30 in the rear ...
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JP7070209B2 |
To provide an efficient production method of a high purity cobalt chloride aqueous solution of a low Mg concentration.The production method of a high purity cobalt chloride aqueous solution is comprised of a solvent extraction step S1 an...
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JP2022070031A |
To provide a method for smelting oxide ore that can improve the quality of resultant metal and can efficiently produce high-quality metal.A method for smelting oxide ore includes a mixing step for obtaining a mixture containing oxide ore...
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JP7057900B2 |
The present invention provides a pretreatment method for a nickel oxide ore slurry, said method being capable of controlling the sedimentation rate of an ore slurry to a predetermined value for the purpose of suppressing increase in the ...
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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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JP7052239B2 |
To provide a method which can efficiently produce higher quality metal with high productivity in a smelting method for producing the metal by reducing a mixture containing oxide ores such as a nickel oxide ore.There is provided a method ...
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JP2022057560A |
To provide a smelting method for manufacturing a ferronickel through reducing a mixture containing a nickel oxide ore, the method capable of inhibiting deterioration in quality of an obtained reduced product and enabling an efficient ope...
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JP2022057559A |
To provide a smelting method for manufacturing a ferronickel through reducing a mixture containing a nickel oxide ore, the method enabling an efficient operation and capable of inhibiting deterioration in quality of an obtained reduced p...
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JP2022056392A |
To improve work efficiency and provide an environmentally friendly cobalt recovery method.A mixed material S which is a mixture of lithium cobalt oxide separated from a lithium ion battery and graphite separated from the lithium ion batt...
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JP2022054212A |
To provide a washing method of a filter cloth for a liquid filter where the accumulation of the clogging of the filter cloth is suppressed and the periodic replacement frequency of the filter cloth is reduced.The washing method of a filt...
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JP7047502B2 |
To provide a technology capable of surely blocking supply of steam from a plurality of steam lines at emergency.There is provided a high pressure acid exudation facility having an autoclave AC01 having a plurality of store parts 2A to 2G...
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JP2022052231A |
To provide a method for manufacturing a nickel-cobalt mixed sulfide of a low zinc sulfide grade, capable of removing a zinc sulfide contained in the nickel-cobalt mixed sulfide as an impurity.A method for manufacturing a nickel-cobalt mi...
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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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JP7039936B2 |
To provide a solid liquid separation method of a nickel high pressure leach residue, capable of preventing excessive addition of a coagulant to a thickener and improving solid liquid separation property of leach residue.There is provided...
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JP7040196B2 |
To provide a cobalt and aluminum separation method capable of accurately separating and collecting cobalt and aluminum included in a lithium ion secondary battery.A cobalt and aluminum separation method for separating cobalt and aluminum...
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JP7035735B2 |
To provide a method capable of controlling particle diameter of a nickel cobalt mixed sulfide in a desired range at relatively low cost without reducing nickel recovery rate.There is provided a manufacturing method of nickel cobalt mixed...
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JP7035322B2 |
To provide a nickel oxide ore smelting method capable of efficiently refining a nickel oxide ore, in a method of producing a metal or an alloy by reducing a mixture including an oxide ore.An oxide ore smelting method is of producing a me...
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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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JP7027934B2 |
To provide a method for high pressure oxidation leaching of a metal sulfide capable of reducing a loss of a recovery target metal.In a method for high pressure oxidation leaching, when continuously supplying a raw material slurry contain...
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JP7027935B2 |
To provide a method for high pressure oxidation leaching of a metal sulfide capable of reducing a loss of a recovery target metal.In a method for high pressure oxidation leaching, when continuously supplying a raw material slurry contain...
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JP2022033492A |
To provide a processing method of a sulfide suitable for obtaining nickel and/or cobalt from a sulfide containing copper and nickel and/or cobalt.A method of processing a sulfide containing copper, nickel and/or cobalt comprises: a step ...
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JP7022332B2 |
To provide a method for efficiently suppressing abnormal growth of copper grains while maintaining high current efficiency, and preventing generation of problems such as short circuit or reduction of operation efficiency.There is provide...
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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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JP6990337B1 |
To provide a Ni-based alloy having an excellent surface texture by controlling the composition of non-metal inclusions which affect the surface texture. In the following mass%, Ni: 52.0% or more, C: 0.001 to 0.030%, Si: 0.01 to 0.10%, Mn...
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JP7016484B2 |
To provide a method for efficiently manufacturing nickel powder which directly a collects nickel ammine complex solution from a reduction filtrate remained after nickel powder has been obtained by subjecting the nickel ammine complex sol...
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JP6996328B2 |
To provide a method for enhancing zinc removal rate before and after passing a filtration device, and maintaining the high removal rate in a dezincification treatment capable of being applied to a dezincification process in a wet refinin...
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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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JP7015410B1 |
To provide a nickel alloy having an excellent surface texture and a method for producing the same by controlling the composition of non-metal inclusions which affect the surface texture. In the following mass%, Ni: 99.0% or more, C: 0.02...
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JP2022020162A |
To provide a method for purifying an aqueous nickel chloride solution that can remove iron and can reduce nickel loss.An oxidizer and a neutralizer are added to an aqueous nickel chloride solution containing iron, to form deferrized sedi...
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JP7011794B2 |
To provide a recovery method capable of selectively and efficiently separating aluminum from a hydroxide containing cobalt and nickel precipitated together with aluminum, and enhancing a rate of recovery of cobalt and nickel.A recovery m...
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JP7008904B2 |
To provide a cobalt, copper, and aluminum separation method capable of accurately separating and collecting cobalt, copper, and aluminum contained in a lithium ion secondary battery.A cobalt, copper, and aluminum separation method for se...
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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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JP7005909B2 |
To provide a method which can effectively remove impurity in an exudate as a precipitate, reduces turbidity, and can obtain a neutralizing-finish solution, in a neutralization treatment in a wet refining process of nickel oxide ore.A neu...
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JP7003848B2 |
To newly provide a calculation method of a required conveyance force, in accurately measuring the viscosity of a slurry including, as particles, a metal-hydroxide or a metal oxide, and in selecting a pump used for conveyance of such slur...
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JP2022507019A |
Described is a process for extracting a metal from a combination obtained from a used lithium ion battery and containing metals, liquids, acids, and other components. [Selection diagram] Fig. 1
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JP2022506693A |
Nickel (II) / Lithium (I) (Ni)2+/ Li+) Provide a process for extracting nickel and lithium from the solution. The process for extracting nickel and lithium is Ni containing a certain amount of lithium and a certain amount of nickel.2+/ L...
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JP2022006900A |
To provide a method for efficiently producing a high-purity nickel sulfate aqueous solution at low cost.Provided is a production method of a nickel sulfate aqueous solution for producing a high purity nickel sulfate aqueous solution from...
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JP6990348B1 |
To provide a method for recovering and reusing nickel and phosphorus resources in electroless nickel plating waste liquid in the form of metallic nickel and iron phosphate. S1, for filtering electroless nickel plating waste liquid by a m...
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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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JP6988435B2 |
To provide a method effectively and efficiently removing the droplets of a fine water phase included in an organic phase after extraction treatment using an organic solvent.There is provided a method of removing the droplets of a water p...
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JPWO2020174573A1 |
A residue treatment method comprising applying centrifugal force to a residue containing nickel and iron oxide to separate nickel and iron oxide.
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JP6984055B2 |
To provide a method for concentrating a valuable metal included in a lithium-ion secondary battery, the method targeting at a used lithium-ion secondary battery or a positive electrode material for the used lithium-ion secondary battery ...
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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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JP6981070B2 |
To provide a method which can efficiently recover metal and produce higher quality metal with little difference in quality in a smelting method for producing the metal by reducing a mixture containing oxide ores such as a nickel oxide or...
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JP6981206B2 |
Purpose of the present invention is to provide a dezincification system of a nickel sulfate aqueous solution capable of maintaining a zinc grade in a nickel/cobalt mixed sulfide stably low. A dezincification system of a nickel sulfate aq...
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JP6977458B2 |
To increase recovery rate of nickel without largely increasing used amount of sulfuric acid or the like.There is provided a hydrometallurgical process for exudation treating and recovering nickel from nickel oxide ore by using a high pre...
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