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JP7124588B2 |
To provide a method for smelting an oxide ore capable of improving a grade of a resulting metal and efficiently producing a high quality metal.A method for smelting an oxide ore comprises: a mixing step of mixing the oxide ore and a carb...
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JP7124601B2 |
To provide a smelting method of oxide ore for improving the quality of a metal to be obtained and efficiently producing a metal having high quality in a smelting method for producing metal by reducing a mixture containing oxide ore such ...
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JP7124923B1 |
The present invention provides a method for producing valuable metals from raw materials including waste lithium-ion batteries, which can effectively obtain metals with a reduced phosphorus content. The present invention is a method for ...
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JP7121885B2 |
To enable cobalt and nickel to be recovered from a lithium ion secondary battery at a low cost.A method for separating cobalt and nickel comprises: a heat treatment step of heating a lithium ion secondary battery thereby performing heat ...
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JP7119551B2 |
To provide a method capable of reducing cobalt concentration in organic after reverse extraction while reducing iron concentration in a reverse extraction post liquid.There is provided a manufacturing method of a cobalt chloride solution...
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JP2022119616A |
To provide a method for smelting nickel oxide ore that can efficiently produce high-quality metal.A method for smelting nickel oxide ore includes a mixing step for mixing nickel oxide ore with a carbonaceous reductant to obtain a mixture...
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JP2022119615A |
To provide a method for smelting nickel oxide ore that can efficiently produce high-quality metal.A method for smelting nickel oxide ore includes a mixing step for mixing nickel oxide ore with a carbonaceous reductant to obtain a mixture...
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JP7119856B2 |
To provide a smelting method for an oxide ore, the smelting method producing a metal by reducing a mixture containing an oxide ore such as a nickel oxide ore, capable of enhancing a grade of an obtained metal and capable of efficiently p...
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JP2022118594A |
To recover Ni or/and Co contained in battery slag by efficiently leaching it into sulfuric acid.A recovery method includes a heating step S3 for heating battery slag M1 having a cathode active material containing Ni or/and Co and an anod...
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JP2022117640A |
To provide a method for recovering valuable metals by using an induction heating furnace, in which a trouble caused by foaming of carbon dioxide (CO2) is reduced, enabling efficient recovery of valuable metals.A method for recovering val...
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JP7115170B2 |
To provide a treatment method of a nickel oxide ore capable of enhancing filtration property when a slurry containing zinc sulfide is filtrated.There is provided a treatment method of a nickel oxide ore having an exudation process S1 for...
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JP2022114695A |
To provide a method for accurately and efficiently taking out a reduced material produced by reduction treatment from a reduction furnace, and preventing quality deterioration in the obtained metal.A method for smelting a nickel oxide or...
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JP2022114653A |
To provide a technique for manufacturing ferronickel by heating and reducing a mixture containing a nickel oxide ore in a reduction furnace, which can accurately and efficiently charge the mixture into the reduction furnace and take out ...
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JP7112677B2 |
To provide a cobalt leaching method for selectively leaching cobalt by suppressing leaching of copper and iron when leaching cobalt refining intermediates containing copper and iron, especially copper so as to reduce the consumption of a...
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JP2022112162A |
To provide a solid-liquid separation treatment method where the solid-liquid separation of a slurry is performed while performing multistage washing using a multistage thickener and efficient treatment is performed by reducing the additi...
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JP7110578B2 |
To provide a control system for keeping the temperature and pressure of an autoclave constant.There are provided a steam discharge valve (10) for controlling pressure in an autoclave (90), and a valve opening control part (60). The valve...
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JP2022112159A |
To provide a method for manufacturing a ferronickel by heating and reducing a mixed matter containing a nickel oxide ore inside a reduction furnace, the method capable of accurately and efficiently charging the mixed matter of a processi...
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JP2022111625A |
To provide a method for producing cobalt chloride having high purity, by separating impurities and cobalt from a cobalt chloride solution including impurities without using an electrolysis process.A method for producing cobalt sulfate se...
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JP2022110782A |
To provide a method for producing cobalt chloride having high purity, by separating impurities and cobalt from a cobalt chloride solution including impurities without using an electrolysis process.A method for producing cobalt sulfate se...
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JP2022111016A |
To provide a method for producing cobalt chloride having high purity, by separating impurities and cobalt from a cobalt chloride solution including impurities without using an electrolysis process.A method for producing cobalt sulfate se...
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JP7107927B2 |
The present invention concerns the recovery of cobalt from cobalt-bearing materials, in particular from cobalt-bearing lithium-ion secondary batteries, from the spent batteries, or from their scrap. A process is divulged for the recovery...
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JP2022108703A |
To provide a method for producing a cobalt sulfate with high purity through separating impurities and cobalt, without employing an electrolysis process, from a cobalt chloride solution containing the impurities.The method sequentially ex...
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JP2022108700A |
To provide a method for producing a cobalt sulfate with high purity through separating impurities and cobalt, without employing an electrolysis process, from a cobalt chloride solution containing the impurities.The method sequentially ex...
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JP7106121B2 |
To provide a cobalt recovery method, in which cobalt can be recovered at a high recovery rate from a liquid to be treated containing cobalt and impurity metals.The cobalt recovery method includes: a first pH adjustment step S3 for adjust...
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JP2022106353A |
To provide a tilting jig for a sulfuric acid precipitation storage container capable of manually easily and safely removing sulfuric acid precipitation from a sulfuric acid precipitation storage container in a hydrometallurgical method (...
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JP7100211B1 |
To provide a method for efficiently recovering a metal from lithium ion battery waste by suppressing the use of sodium hydroxide as a pH adjuster. This is a method for recovering a metal from a lithium ion battery waste, in which a metal...
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JP7100217B1 |
To provide a method for efficiently recovering a metal from lithium ion battery waste by suppressing the use of sodium hydroxide as a pH adjuster. This is a method for recovering a metal from a lithium ion battery waste, in which a metal...
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JP7099592B1 |
To provide a method for producing high-purity cobalt sulfate by separating impurities and cobalt from a cobalt chloride solution containing impurities without using an electrolysis step. A copper removal step S1, in which a sulfide is ad...
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JP2022104019A |
To provide a method in neutralization treatment of neutralization-removing an impurity metal ion from a sulfate acidic solution containing the metal ion which can effectively reduce an amount of use of a neutralizing agent to efficiently...
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JP2022104563A |
To provide a method for producing cobalt sulfate from crude cobalt hydroxide while reducing a recovery loss of cobalt to the utmost.A production method of cobalt sulfate of the present invention includes a leaching step for slurrying cru...
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JP7095606B2 |
Provided is a wet smelting method whereby the amount of nickel coprecipitated with impurities is reduced and nickel yield can be increased.　The present invention provides a method for manufacturing a nickel/cobalt mixed sulfide, the me...
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JP7095807B2 |
The present invention pertains to a method for recovering a rare metal salt, the method comprising: an acid treatment step for obtaining a rare metal-containing acidic aqueous solution by putting a material containing monovalent and poly...
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JP7094877B2 |
A method for recovering at least cobalt of valuable metals, cobalt and nickel, from an acidic solution obtained by subjecting waste containing positive electrode materials for lithium ion secondary batteries to a wet process, the acidic ...
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JP2022098258A |
To provide a method for shortening the time required for inactivation operation.Disclosed is an inactivation method after shut-down of a sulfurization reaction vessel in which a nickel-cobalt mixed sulfide is generated by supply of hydro...
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JP2022097127A |
To provide a method for producing a high Ni alloy ingot that includes Zr uniformly distributed with the reduced amount of addition of ZrO2 to flux.The present invention discloses a method for producing a high Ni alloy ingot containing Zr...
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JP7091909B2 |
To provide a manufacturing method of nickel powder capable of efficiently manufacturing nickel powder.A manufacturing method of nickel powder includes: a first step of mixing a nickel sulfate aqueous solution and a neutralization agent t...
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JP2022095165A |
To provide washing means capable of effectively separating and recovering fine recovery objects adhering to coarse particles of contaminants or the like removed in wet classification means.A drum washer having a trommel type sieving part...
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JP7090877B2 |
To provide a recovery method of a valuable metal, with which the content of impurities is reduced, the content of the valuable metal is improved, and the valuable metal is recovered with a simple method.A recovery method of a valuable me...
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JP2022094152A |
To provide a lithium ion battery waste processing method capable of effectively depositing aluminum ions and iron ions in a liquid through neutralization and relatively easily separating the deposits.A lithium ion battery waste processin...
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JP7090617B2 |
The present invention is related to a polymer membrane for the selective extraction of cobalt (II) ions as well as a method for extracting cobalt (II) ions using said polymer membrane.
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JP2022093175A |
To provide a smelting method for forming a pellet from nickel oxide ore to produce a metal or an alloy, this smelting method allowing high-quality metal to be produced at low cost with high productivity and efficiency.A method for smelti...
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JP2022093176A |
To provide a smelting method for forming a pellet from nickel oxide ore to produce a metal or an alloy, this smelting method allowing high-quality metal to be produced at low cost with high productivity and efficiency.A method for smelti...
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JP2022529679A |
The present invention relates to a method for recovering a metal such as Ni and Co from a Li-containing starting material. In particular, this method is a method of recovering a metal M containing Ni and Co from a Li-containing starting ...
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JP2022092452A |
To provide a smelting method for forming a pellet from nickel oxide ore to produce a metal or an alloy, this smelting method allowing high-quality metal to be produced at low cost with high productivity and efficiency.A method for smelti...
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JP2022092451A |
To provide a method for smelting nickel oxide ore that can give metal with improved quality and allows the high-quality metal to be efficiently produced.A method for smelting nickel oxide ore includes a mixing step for preparing a mixtur...
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JP7087601B2 |
To provide a sulfurizing agent removal method of removing a sulfurizing agent such as hydrogen sulfide from a post sulfurization liquid generated in a wet-type process of refining nickel oxide ore, capable of improving an effect of decre...
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JP2022528969A |
A method for removing aluminum and iron in the recycling of rechargeable batteries, preparing leachate from black lumps, phosphoric acid (H).3PO4) Is added to the leachate and the pH is adjusted to iron phosphate (FePO).4) And Aluminum P...
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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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JP2022083865A |
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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