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JP2023149014A |
To make an accurate measurement of a liquid level even if the level of liquid in a reaction vessel is not larger than a specific level when a regular resting repair, for example, is performed for the reaction vessel such as autoclaving t...
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JP7360091B2 |
To provide a solvent extraction method that can improve separability between nickel and cobalt in a nickel recovery stage.A solvent extraction method includes a nickel recovery stage in which an acidic extraction agent carrying nickel an...
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JP2023147089A |
To provide a nickel oxide ore smelting method, which is a smelting method for producing valuable metal by reducing a mixture containing nickel oxide ore, and in which a high-quality (high-grade) valuable metal can be produced efficiently...
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JP2023147088A |
To provide a nickel oxide ore smelting method, which is a smelting method for producing valuable metal by reducing a mixture containing nickel oxide ore, and in which a high-quality (high-grade) valuable metal can be produced efficiently...
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JP2023147090A |
To provide a nickel oxide ore smelting method, which is a smelting method for producing valuable metal by reducing a mixture containing nickel oxide ore, and in which a high-quality (high-grade) valuable metal can be produced efficiently...
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JP2023147086A |
To provide a nickel oxide ore smelting method, which is a smelting method for producing valuable metal by reducing a mixture containing nickel oxide ore, and in which a high-quality (high-grade) valuable metal can be produced efficiently...
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JP2023147087A |
To provide a nickel oxide ore smelting method, which is a smelting method for producing valuable metal by reducing a mixture containing nickel oxide ore, and in which a high-quality (high-grade) valuable metal can be produced efficiently...
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JP7358864B2 |
To provide a simulation method capable of calculating behavior of a substance in a reaction furnace with high accuracy, by considering a material for combustion charged from the middle of a reaction furnace.A simulation method comprises ...
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JP7359062B2 |
To provide a method capable of effectively utilizing dust discharged in an oxidize-roasting process, and also capable of inexpensively and efficiently recovering valuable metal.A method for recovering valuable metal from a waste lithium-...
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JP7358862B2 |
To provide a simulation method capable of calculating behavior of a substance in a reaction furnace with high accuracy, by considering a material for combustion charged from the middle of a reaction furnace.A simulation method performing...
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JP2023145408A |
To provide a method of recovering cobalt and nickel from a solution containing one or both of cobalt and nickel, and further containing copper and iron (III) which can be applied to real operation.This method of recovering cobalt and nic...
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JP7358863B2 |
To provide a simulation method capable of calculating behavior of a substance in a reaction furnace with high accuracy, by considering a material for combustion charged from the middle of a reaction furnace.A simulation method comprises ...
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JP7359760B2 |
A process is divulged for recovering metals from a metal-bearing material containing, in oxidized form, more than 1% of Co, a total of Co and Ni of more than 15%, and more than 1% Mg. comprising smelting said metal-bearing material in a ...
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JP2023542549A |
Some variations are compositions for reducing metal ores, wherein the composition comprises carbon metal ore particulates, and the carbon metal ore particulates have a carbon metal ore particulate content of at least about 0.1 on an anhy...
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JP2023542551A |
Some variations are compositions for reducing metal ores, wherein the composition comprises carbon metal ore particulates, and the carbon metal ore particulates have a carbon metal ore particulate content of at least about 0.1 on an anhy...
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JP2023542552A |
Some variations are compositions for reducing metal ores, wherein the composition comprises carbon metal ore particulates, and the carbon metal ore particulates have a carbon metal ore particulate content of at least about 0.1 on an anhy...
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JP2023542198A |
A method for recovering active metal of a lithium secondary battery includes the steps of: collecting a positive electrode active material mixture from a positive electrode of a lithium secondary battery; preparing a pre-precursor mixtur...
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JP7356642B2 |
To separate magnesium from a hydroxide of nickel containing magnesium at a low cost.A refining method of nickel hydroxide includes a primary cleaning step for mixing a hydroxide containing nickel and magnesium with a cleaning liquid and ...
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JP2023142339A |
To provide a method for recovering a catalyst layer from an electrode including a conductive substrate and the catalyst layer disposed on the conductive substrate.A method for recovering a catalyst layer from an electrode including a con...
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JP7354845B2 |
To provide a production method for nickel sulfate aqueous solution capable of inhibiting filtration leakage.A production method for nickel sulfate aqueous solution comprises: a pressure exudation process of obtaining an exudation slurry ...
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JP7355713B2 |
To surly remove Cu from a recovered matter in advance to thereby recover Co and Ni with a high yield from the recovered matter with Cu removed therefrom.A pretreatment method on recovery of a valuable element from a secondary battery is ...
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JP7355186B1 |
The present invention provides a method for controlling the particle size of a nickel-cobalt mixed sulfide, which is capable of controlling the particle size of a sulfide precipitate and reducing variations thereof. [Solution] A sulfuriz...
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JP7354903B2 |
To provide a method capable of simply and surely adjusting an oxidation degree in a melting process, and also capable of inexpensively and efficiently recovering valuable metal.A method for recovering valuable metal from a waste lithium-...
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JP2023138482A |
To provide a method for recycling metals from porous materials comprising metals.A method comprises: (1) at least one step of heat treatment of a porous material A which comprises at least one mineral oxide and has a sulphur content of 2...
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JP2023136438A |
To maintain quality of ferronickel appropriate even when calcium oxide is used as a desulfurizing agent for removing sulfur from rough ferronickel melt in a pyrometallurgical method for producing ferronickel.A manufacturing method of fer...
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JP7350318B2 |
To recover cobalt at high purity from a liquid to be treated in which cobalt and impurity metals are dissolved.The cobalt recovery method comprises: a step of adjusting the pH to 4 to 7, inclusive by alkali addition to a solution to be t...
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JP7349592B1 |
A method for leaching a metal in a battery powder containing at least copper and one or more of cobalt and nickel, the method comprising a leaching process repeated multiple times, wherein the leaching process a first leaching step in wh...
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JP7348130B2 |
To provide a removing method of magnesium ion in a metal-containing solution capable of effectively removing the magnesium ion from a metal-containing solution that contains cobalt ion and/or nickel ion, furthermore magnesium ion as the ...
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JP2023539886A |
Following steps: (a) producing a nickel-containing oxide, (oxy)hydroxide, hydroxide or carbonate by (co)precipitation in an aqueous medium; (b) separating the oxide, (oxy)hydroxide, hydroxide or carbonate from the aqueous medium by a sol...
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JP2023539433A |
A method for recycling nickel from waste battery material is described. The method includes the steps of: preparing a waste battery material containing a nickel-containing oxide; reducing nickel in the waste battery material to a zero ox...
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JP7344512B2 |
To provide a sulfide leaching method capable of improving a leaching rate.The present invention is a sulfide leaching method, in which a sulfur compound containing a metal sulfide is leached with acid, includes: a pretreatment step S1 of...
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JP7344511B2 |
To provide a sulfide leaching method capable of improving a leaching reaction rate.The present invention is a sulfide leaching method in which acid is added to a sulfur compound containing a metal sulfide, in a state coexisting with a me...
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JP2023129361A |
To improve a lithium recovery rate from lithium-containing liquid.Lithium-containing liquid is heated, the heated lithium-containing liquid is blended with phosphate to produce lithium phosphate, and the produced lithium phosphate is rec...
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JP7343833B2 |
To provide a method enabling an estimation of a mineral concentrate distribution inside a burner cone.A mineral concentrate distribution estimation method is configured for an inside of a burner cone installed at an upper end of a reacti...
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JP7342989B2 |
Provided is a method by which it is possible to safely and efficiently collect valuable metals from raw material including waste lithium-ion batteries or the like.　The present invention is a method for producing, from raw materials con...
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JP7342692B2 |
To provide a method for smelting oxide ore that reduces oxide ore to obtain a reduced product, in which metal is rendered sufficiently coarse and the metal recovery rate is improved.A method for smelting oxide ore reduces oxide ore to ob...
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JP7341830B2 |
To efficiently separate and recover metal from a calcined LIB (lithium ion secondary battery).The present invention relates to a method for leaching out manganese from a lithium ion secondary battery and a technique relating thereto. Whe...
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JP7341395B2 |
To provide a recovery method of copper, nickel, cobalt from waste lithium ion secondary batteries, by efficiently removing manganese when recovering metals from the waste lithium ion secondary batteries.A recovery method of copper, nicke...
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JP7341598B2 |
A process for water removal and/or recycling of sodium sulphate and/or sodium dithionate containing liquors derived from processing a cobalt resource derived from components of lithium ion batteries comprising steps of deriving from the ...
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JP2023537953A |
The present invention discloses a method of concentrating niobium titanium in iron-bearing niobium titanate ores and the use of nickel-containing materials. In the method according to the present invention, raw materials containing 1 par...
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JP2023124699A |
To provide a treatment method of positive electrodes of nonaqueous electrolyte secondary batteries capable of reducing phosphorous (P) in a metal material at low cost, and a recovering method of valuable metals from metal composite oxide...
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JP2023124181A |
To stably and uniformly distribute a slurry from an upstream device to a plurality of devices arranged side by side on a downstream side in a chromite ore capture facility including a configuration where separation device of the same kin...
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JP2023123944A |
To provide a method for efficiently recovering nickel from a nickel solution containing a nickel compound produced in an organic chemical reaction process.A nickel recovery method includes the following steps of: (a) preparing a nickel s...
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JP7338309B2 |
To provide a smelting method of an oxide ore capable of efficiently recovering a metal contained in the oxide ore.A smelting method is configured to apply a reduction treatment to a mixture including an oxide ore and a carbonaceous reduc...
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JP2023122850A |
To provide a method of enhancing a solid concentration of a residual slurry extracted from a bottom part of a thickner.A solid-liquid separation method comprises adding sulfuric acid to an ore slurry containing nickel oxide ore in a raw ...
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JP2023122674A |
To provide an analysis method capable of simply and quickly quantifying SO4 even for a nickel raw material containing a nickel sulfate hydrate.An analysis method for a nickel raw material includes: a molar ratio identification step of id...
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JP7338326B2 |
To provide a process for recovering valuable metal at low cost.Provided is a process for recovering valuable metal including the following steps: a preparation step of preparing a charge material containing at least lithium (Li) and valu...
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JP7336749B2 |
A process for producing nickel particles comprises the steps of: melting a nickel source to produce a melt; and powderizing molten nickel contained in the melt by an atomization method comprising atomizing a gas or an aqueous medium onto...
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JP2023537467A |
The present invention is a process for recovering one or more metal ions selected from the group consisting of cobalt, nickel, manganese and mixtures thereof from a metal-containing residue comprising: A) the residue with a leaching solu...
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JP2023121702A |
To provide a method capable of safely and efficiently collecting valuable metals from a raw material including a waste lithium ion battery, etc.A method for manufacturing valuable metals from a raw material including valuable metals cont...
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