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JP5546359B2 |
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JP5546289B2 |
To provide a method for treating fine powder comprising a lead component and a calcium component in which the recovery rate of a lead component is high, and which can recover the lead component and the calcium component in a classified w...
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JP2014122369A |
To provide a method for recovering metals from a composite metal oxide under conditions of reducing the number of steps and saving energy consumption.A method for recovering metals from a composite metal oxide includes: a melting step to...
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JP2014122421A |
To achieve that refined magnesium can be utilized for various purposes such as metal material utilization, water, magnesium utilization, medical equipment, pharmaceutical development, and space industrial transportation equipment.Equipme...
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JP5535717B2 |
To provide a method for recovering lithium in which lithium can be efficiently recovered from lithium cobaltate as the positive electrode material of a lithium ion secondary battery, and the reutilization of the lithium ion secondary bat...
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JP5539942B2 |
To provide a method in which iron and aluminum are separated at satisfactory treatment efficiency from a solution including iron, aluminum and manganese, and also, the other metal is efficiently recovered.The method for separating the ir...
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JP5538290B2 |
A low temperature alkali metal electrolysis process is provided. The process comprises carrying out the electrolysis in the presence of a co-electrolyte and an alkali metal halide. The co-electrolyte comprises (1) a nitrogen-containing c...
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JP5535716B2 |
To provide a method for recovering lithium by which lithium can efficiently be recovered from manganese acidic lithium being positive-electrode material of a lithium-ion secondary battery without needing mineral acid which requires liqui...
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JP5531851B2 |
To provide a method for efficiently recovering valuable metals even when large amounts of waste batteries such as lithium ion batteries are to be treated.The method for recovering valuable metals includes: a dry process of melting waste ...
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JP5528130B2 |
To provide a fine powder treatment method capable of keeping the addition amount of a sulfurizing agent for producing lead sulfide constantly at the optimum value and recovering Pb constantly at a high recovery ratio without measuring th...
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JP5528153B2 |
To produce a high concentration lithium solution from a lithium-containing liquid by a simple method without performing electrodialysis and solvent extraction so as to efficiently recover lithium. The method is composed of: a phosphorizi...
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JP2014105346A |
To provide a method for recovering a valuable metal, which is capable of reducing the number of processes as compared with a conventional method and achieving reduction in energy consumption and waste, and to provide a system for recover...
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JPWO2012093724A1 |
The present invention includes alkali metal separation including separating permeated water containing an alkali metal from raw water containing an alkali metal using a nanofilter membrane, and recovering the alkali metal contained in th...
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JP5514844B2 |
To provide a method of separating valuable metals, i.e., Co, Ni, Li, Mn, in the recycling of waste secondary batteries from impurities, i.e., Al, Fe, Zn, and the like, efficiently and recovering the valuable metals efficiently with high ...
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JP5501180B2 |
To provided a method for recovering lithium from a lithium ion battery using comparatively simple equipment and without using a cumbersome process. A lithium extraction method for extracting lithium from the positive electrode material o...
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JP5488376B2 |
To provide a method of recovering lithium, which can recover the lithium efficiently which does not contain impurities, such as phosphorus and fluorine, from a lithium-containing solution that contains lithium hexafluorophosphate isolate...
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JP2014084501A |
To continuously refine magnesium by a solar furnace with converged solar light as a heat source.A retort previously filled with a magnesium reduction raw material or to be intermittently fed with the reduction raw material is installed i...
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JP2014508863A |
The present disclosure relates to processes for recovering rare earth elements from an aluminum-bearing material. The processes can comprise leaching the aluminum-bearing material with an acid so as to obtain a leachate comprising at lea...
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JP5469042B2 |
In a process for producing an alkali metal from alkali metal amalgam by electrolysis using an alkali metal amalgam as anode, a solid electrolyte which conducts alkali metal ions and a liquid alkali metal as cathode, the alkali metal amal...
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JP5459146B2 |
To provide a method for recovering lithium, which efficiently recovers lithium that is free from impurities such as phosphorus, fluorine or the like.The method for recovering lithium includes: an extraction step of adding an alkali to an...
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JP2014046264A |
To provide an ion exchanger having thermostability and durability for use at high temperature under presence of water and a collection method capable of collecting useful metals and toxic metals at high temperature.An ion exchanger is ob...
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JP5435258B2 |
To provide a briquette for producing a metallic material, when a magnesium material made of the scrap of a magnesium-containing metal is reutilized, which can be safely treated in the state of the briquette having sufficient strength, an...
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JP5429741B2 |
To provide a cleaning method for a molding made of a magnesium alloy which can easily remove a carbonized deposit, has excellent recycling properties, and further has a reduced environmental load. A carbonized deposit deposited on the su...
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JP5424562B2 |
Methods for producing cesium hydroxide solutions during which: cesium-containing ore is disintegrated with sulfuric acid while forming a cesium aluminum sulfate hydrate, which is poorly soluble at low temperatures; the formed cesium alum...
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JP5428283B2 |
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JP5419058B2 |
To provide a method which enebles efficient separation of Sr and Rb by a simple operation utilizing a very ordinary reagent without requiring a harmful compound having a complicated structure and a special expensive resin. A water solubl...
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JP5422495B2 |
Provided is a valuable-metal recovery method for recovering metals from lithium ion batteries using comparatively simple equipment and without using a cumbersome process. In said method, a positive electrode material from lithium ion bat...
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JP5405392B2 |
This invention aims to provide a recycled magnesium alloy having a good corrosion resistance and a process for producing the same. The process of the present invention comprises an adjusting step of adjusting composition of molten metal ...
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JP5406260B2 |
To provide a method for efficiently recovering aluminum and manganese from a solution including at least one kind selected from cobalt, nickel and lithium, and aluminum and manganese, while suppressing the loss of at least one kind selec...
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JP2013256685A |
To provide a method for extracting magnesium from dolomite, in which the remarkable reduction of magnesium separation cost is achieved.In a method for extracting magnesium from dolomite, dolomite is reacted with the water solution of a h...
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JP5374041B2 |
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JP5354486B2 |
To provide an easily performable method for recovering a metal where a metal can be recovered by a simple process of a pulverization operation. Balls for pulverization, the powder of a compound composed of a metal oxide including a presc...
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JP5351150B2 |
A rotary device for treating molten metal, said device comprising a hollow shaft at one end of which is a rotor, said rotor having:- a roof and a base, said roof and base being spaced apart and connected by a plurality of dividers; a pas...
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JP5336193B2 |
Provided is a safe and efficient method for producing lithium metal which facilitates efficient production of anhydrous lithium chloride without corrosion of the system materials by chlorine gas or molten lithium carbonate, and which all...
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JP2013221209A |
To provide a refining method of magnesium or magnesium alloy which is capable of obtaining magnesium or magnesium alloy excellent in corrosion resistance efficiently.A refining method of magnesium or magnesium alloy is for removing impur...
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JP5311811B2 |
To recover a metal from a used solid oxide type fuel cell. The method comprises: a first step 11 where a used cell is pulverized; a second step 12 where fine powder in the first step 11 and water are mixed, so as to produce slurry having...
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JP5311812B2 |
To recover a metal from a used solid oxide type fuel cell. The method comprises: a first step where a used cell is pulverized into fine powder; a second step 12 where the fine powder in the first step 11 and water are mixed, so as to pro...
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JP2013194315A |
To provide a method for efficiently recovering valuable metal, such as cobalt and/or nickel and lithium, from a scrapped lithium ion secondary battery at low cost.A method for recovering valuable materials from a lithium ion secondary ba...
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JP2013185582A |
To provide a natural energy utilization system including production of ocean resource in ocean including united electric conversion using ocean wave power and storage, transportation and recycling utilization method of electric energy an...
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JP5290387B2 |
The present invention provides a method for producing high-purity calcium, the method being characterized by the following: performing first sublimation purification by introducing calcium starting material having a purity, excluding the...
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JP2013181247A |
To provide a method of efficiently separating a metal group B from a metal mixed solution containing a metal group A consisting of at least one kind of cobalt, nickel and lithium and the metal group B consisting of at least one kind of c...
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JP5288778B2 |
To provide a method for obtaining a solid component which has less water content, low chlorine concentration, and contains lead and zinc from th heavy metal-containing powder containing calcium, lead, zinc, copper and chlorine. The metho...
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JP5279311B2 |
To provide a treating method which can separate a calcium component and a lead component from fine powder containing the calcium component and the lead component with a high separating performance. The treating method includes a (A) proc...
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JP2013170296A |
To provide a metal piece for regenerative melting which has few impurities and easily melts when remelting, and a method for producing the same.A metal piece 13 for regenerative melting is a chip obtained by cutting a cast plate 11 of a ...
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JP2013531738A |
The present invention provides a process for preparing lithium alloy or lithium metal from lithium carbonate or its equivalent lithium ion source such as spudomene ore without creating toxic byproducts such as halogen gases and a system ...
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JP5254407B2 |
To obtain a solution with liquidity whick can effectively leach nickel, cobalt, manganese, and lithium from a positive electrode active material of a lithium ion secondary battery, and is favorable for separating the respective metals.In...
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JP5247877B2 |
To provide a method of highly efficiently separating/recovering a positive electrode active material and a current collector at low cost.A method of separating/recovering a current collector and a positive electrode active material from ...
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JP2013527306A |
The invention relates to a method for recovering lithium from a starting material comprising lithium. According to the invention, the starting material is heated with carbon in a reactor by carrying out direct inductive heating of the ca...
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JP2013527307A |
A method for recovering hydrochloric acid and metal oxides from a chloride liquor is described. The method uses a chloride liquor including the metal and mixing the liquor and a matrix solution to produce a reaction mixture, wherein the ...
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JP5209147B2 |
A lithium recovery device is provided with which, when lithium is separated and recovered, high-purity lithium can be efficiently recovered and which can be easily and cost-effectively scaled up to an industrial level. The lithium recove...
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