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JP7396072B2 |
To provide a mixer and a mixing method capable of more uniformly supplying components contributing to a reaction in gas, in a mixing tank generating a reaction by stirring while introducing gas in a liquid material.The mixer 1 of the pre...
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JP7396171B2 |
To provide a method of reducing a recovery loss of small particle size ore, by efficiently separating/recovering the small particle size ore containing valuable metals remaining in a large particle size ore sieved by a predetermined part...
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JP7396194B2 |
To provide a method for purifying an aqueous solution of nickel chloride which enables more removal of iron and furthermore enables further reduction of nickel loss.When an oxidizing agent and a neutralizing agent are added to an aqueous...
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JP2023551442A |
Improved processes and systems for producing renewable hydrogen suitable for reducing metal ores and for producing activated carbon are disclosed. Some variations include pyrolyzing biomass to produce carbon-containing biological reagent...
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JP2023551607A |
The present disclosure provides methods and systems for recovering metals from lithium ion batteries, and specifically for co-recovering cobalt and nickel in metallic form by an electrowinning process. The present disclosure further prov...
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JP2023551443A |
Improved processes and systems for producing renewable hydrogen suitable for reducing metal ores and for producing activated carbon are disclosed. Some variations include pyrolyzing biomass to produce carbon-containing biological reagent...
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JP2023174586A |
To provide a process for recovering and purifying nickel (Ni), manganese (Mn), cobalt (Co) and lithium (Li) from black mass obtained from recycling of lithium-ion batteries so as to produce high-purity products.The process may include re...
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JP2023173712A |
To provide a stirring device that is excellent in corrosion resistance, abrasion resistance and impact resistance and is improved in useful life.A stirring device 10, which stirs slurry in a tank, comprises at least a rotating shaft 11 p...
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JP7393570B1 |
The present invention provides a ferronickel alloy that has a good shape for use as a raw material for stainless steel and special steel, has high purity, and in particular makes effective use of a trace amount of sulfur. [Solution] In t...
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JP2023172493A |
To provide a method for suppressing excessive viscosity increase of a slurry, which causes poor transfer, at a cost lower than conventional means, in production of the ore slurry for obtaining the ore slurry from raw material ore.A metho...
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JP7392538B2 |
The present invention provides a method for treating an alloy, wherein nickel and/or cobalt is obtained by separating copper and zinc from an alloy that contains copper, zinc, and nickel and/or cobalt. The present invention is a method f...
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JP2023172337A |
To provide a stirring device that is excellent in corrosion resistance and abrasion resistance and is improved in useful life.A stirring device 1, which stirs slurry in a tank, comprises at least a rotating shaft 10 provided vertically i...
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JP7392539B2 |
Provided is an alloy treatment method comprising separating copper and zinc from an alloy containing nickel and/or cobalt and also containing copper and zinc to obtain nickel and/or cobalt selectively. An alloy treatment method is provid...
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JP2023550618A |
Improved processes and systems for producing renewable hydrogen suitable for reducing metal ores and for producing activated carbon are disclosed. Some variations include pyrolyzing biomass to produce carbon-containing biological reagent...
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JP2023550382A |
The present invention relates to a method for reducing metal oxides, and more specifically, in manufacturing high-grade alloy metals using metal oxides as raw materials, it is possible to eliminate the existing manufacturing process usin...
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JP7389354B2 |
To provide a method for effectively recovering valuable metals when recovering valuable metals contained in a battery.A method for recovering valuable metals from a waste battery includes: a roasting step S1 of roasting the waste battery...
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JP2023169855A |
To provide a box-shaped reduction furnace with a heat treatment part connected to a treatment object storage part, which enables the efficient loading and unloading of the treatment object into and out of the reduction furnace, during th...
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JP7389338B2 |
To provide a manufacturing method of nickel aqueous solution capable of reducing a nickel loss while efficiently removing iron.A manufacturing method of nickel aqueous solution includes: an iron removing process of removing iron included...
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JP7389344B2 |
To provide a method that can efficiently recover valuable metal while maintaining a good work environment when disposing of a waste battery.A method for recovering valuable metal from waste battery has a calcining step S1 for calcining a...
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JP7389343B2 |
To provide a method for efficiently separating valuable metal in a waste battery and recovering the valuable metal effectively and inexpensively.A method for recovering valuable metal from waste battery has a calcining step S1 for calcin...
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JP2023168817A |
To provide a recovery method of valuable metals from Mo, Ni, and V-containing waste capable of preventing deterioration of solubility of a heating furnace, even if a content of Al2O3 in the Mo, Ni and V-containing waste becomes large.A r...
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JP2023549575A |
A method for selectively removing Li from an input material comprising Li and one or more transition metals, the method comprising: contacting the input material with a leaching medium comprising formic acid; and leaching the Li from the...
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JP2023549557A |
The present invention is a method for converting metal oxides into metal M.1To provide a system and method for reducing [Selection diagram] Figure 1
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JP2023549374A |
Process and method for producing crystallized metal sulfates. The crystallized metal sulfate may be battery grade. The method can include receiving a stream containing metal ions and crystallizing a metal sulfate from the stream. The pro...
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JP2023548882A |
Described herein are methods for isolating purified water from waste streams resulting, for example, in battery manufacturing or recycling; A method for isolating purified water suitable for use in industrial processes is disclosed.
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JP7384805B2 |
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...
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JP2023165749A |
To provide a metal leaching method and a metal recovery method which can improve a leaching rate of cobalt and/or nickel while easily removing copper.A method for leaching metal in battery powder containing at least copper and one or mor...
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JP7380424B2 |
To provide an oxidation-neutralization reaction device where a gaseous oxidant and a slurry neutralizer can be homogeneously dispersed and mixed although a reaction tank has a vertically long shape having a large aspect ratio (H/D).An ox...
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JP7380118B2 |
To provide a production method of a nickel sulfate capable of suppressing a contamination of a thiosulfuric acid in a nickel sulfate crystal.A production method of a nickel sulfate includes: a leaching step S2 of applying a sulfate leach...
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JP2023547876A |
A method (2800) of selectively leaching one or more manganese-containing phases from a mixed phase battery electrode material comprises treating (2802) the mixed phase battery electrode material with a solution of an acid. forming a mang...
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JP7378900B2 |
To provide a recovery method of a valuable metal from a material recovered from secondary batteries, which can prevent an increase of an operating temperature in a furnace, can recover at low cost and can improve the yield.When recoverin...
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JP7378058B2 |
To provide a method for separating manganese and nickel in which manganese and nickel can be separated from a material containing lithium metal oxide containing manganese and nickel safer and at a lower cost than conventional ones.A meth...
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JP7377452B2 |
To provide a method for separating/refining metal salt by crystallization from aqueous solution containing metal salt.MEANS: A method for separating metal salt from aqueous solution containing metal salt includes the steps of: adding amm...
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JP2023163910A |
To provide a method of maintaining a concentration of nickel oxide ore slurry at a high concentration while efficiently performing a necessary heat treatment in its pretreatment step, about the nickel oxide ore slurry supplied to a leach...
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JP2023161557A |
To provide a method of producing highly pure cobalt sulfate without using an electrolytic process.Provided is a production method of obtaining cobalt sulfate by removing impurities from a cobalt chloride solution containing one or more i...
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JP2023159846A |
To efficiently take in and out a treatment object while suppressing a temperature drop in a heat treatment part during the progress of reduction treatment in a box-shaped reduction furnace in which the heat treatment part and a treatment...
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JP2023158803A |
To provide a technology capable of effectively manufacturing high-quality ferronickel with less CO2 discharge while suppressing a smelting cost, in a method for reducing a mixture containing nickel oxide ore to manufacture ferronickel.In...
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JP2023159399A |
To provide a method for processing cobaltous sulphate/dithionate liquors derived from cobalt resource.There is provided a process for water removal and/or recycling of sodium sulphate and/or sodium dithionate containing liquors derived f...
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JP7368474B2 |
The present disclosure concerns a process for the recovery of valuable metals from polymetallic nodules. A two-stage process using SO2 in an acidic aqueous media is disclosed. In a first step, performed in mildly acidic conditions, Mn, N...
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JP2023155718A |
To provide a method having high productivity and efficiency and capable of producing high-quality ferronickel using a nickel oxide ore as a raw material.There is a provided a smelting method for producing ferronickel by forming pellets f...
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JP2023155717A |
To provide a method having high productivity and efficiency and capable of producing a high-quality and valuable metal containing nickel using a nickel oxide ore as a raw material.There is provided a smelting method for producing a valua...
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JP7365846B2 |
The present invention is a method for producing, from a cobalt sulfate solution including nickel ions, a high-purity cobalt sulfate solution having a higher purity level of cobalt compared to the aforementioned cobalt sulfate solution. T...
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JP7363122B2 |
To provide a pipeline support member capable of preventing a pipeline from being damaged by abrasion wear with a simple configuration and a method for installing the pipeline.A pipeline support member 10 is for a pipeline to be used in a...
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JP2023153726A |
To provide a method for effectively separating an object metal, a metal coordination polymer for use in the same, and so on.A separation method for separation object metal, which uses a metal coordination item with an oxide of the separa...
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JP7363608B2 |
To provide a pressurized oxidation leaching method capable of reducing nickel loss.A raw material slurry containing nickel sulfide as a raw material is continuously supplied to an autoclave 1 having a plurality of reaction chambers 14a t...
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JP7363207B2 |
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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JP2023150907A |
To provide a leaching method that enables efficient acid leaching of an electrode material contained in a lithium ion secondary battery at a low cost without using an excessive amount of reducing agent, and to provide a separation method...
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JP2023150668A |
To provide a method for leaching an electrode material that enables efficient acid leaching of electrode material contained in a lithium ion secondary battery in a short period of time without using an excessive amount of acid, and to pr...
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JP2023150686A |
To provide a method for leaching an electrode material that enables efficient acid leaching of an electrode material contained in a lithium ion secondary battery in a short period of time without using an excessive amount of acid, and to...
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JP2023150694A |
To provide a separation method for cobalt and nickel in which cobalt and nickel are collected from a lithium ion secondary battery at low cost.A separation method for cobalt and nickel includes a crushing and classifying step of crushing...
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