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JP5811017B2 |
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JP2015197286A |
To perform uniform heating over an entire treatment object and improve heat treatment efficiency.A heat treatment device that applies heat treatment to a treatment object using sunlight, comprises a light collection part that collects su...
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JP2015196900A |
To manufacture reduced iron having enhanced separability of reduced iron and a slag, small in the slag content and S content by heating an agglomerate containing an iron oxide-containing material and carbonaceous reductant in a heating f...
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JP2015197288A |
To provide a heat treatment device using sunlight which holds a treatment object at a heat treatment position and stably heats it.A heat treatment device 1 that applies heat treatment to a treatment object using sunlight, comprises a lig...
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JP5804546B2 |
Provided is a method for recovering PGM from a material to be processed that contains PGM. Specifically provided is a method for recovering PGM from a material to be processed that contains PGM, which comprises: a reduction smelting step...
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JP5797276B2 |
The present invention provides a method for producing direct reduced iron and/or hot metal using high-moisture content carbonaceous material, including: agglomerating carbonaceous material from the high-moisture content carbonaceous mate...
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JP5796882B2 |
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JP5795727B2 |
To provide a method for easily and effectively recovering indium or an indium alloy from a high-purity indium oxide-containing scrap which is generated at manufacture or after use of an oxide scrap containing indium, in particular an ind...
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JP5780606B2 |
In a method for reduction of a solid feedstock, such as a solid metal compound, in an electrolytic apparatus a portion of the feedstock is arranged in each of two or more electrolytic cells (50, 60, 70, 80). A molten salt is provided as ...
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JP5778215B2 |
A method for manufacturing an austenitic stainless steel from a nickel laterite ore and a chromite ore includes the steps of determining a nickel content of the nickel laterite ore; processing the nickel laterite ore into a nickel-contai...
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JP2015158293A |
To provide a retort for magnesium heat reduction capable of facilitating put-in/out of a briquette and being filled in a uniform state.In order to support a briquette 29 to a support cylinder 22, the inside of a retort 1 can be filled wi...
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JP5774092B2 |
A molten bath-based direct smelting process comprises controlling the process conditions in a direct smelting vessel so that molten slag in a molten bath of metal and slag in the vessel has a viscosity in a range of 0.5-5 poise when the ...
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JP5771031B2 |
To recover a manganese alloy from manganese oxide waste and waste derived from the positive electrode material of a lithium ion secondary battery.Manganese in battery scrap is distributed to the side of a molten metal phase by smelting r...
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JP5770843B2 |
A vanadium-chromium-iron alloy is composed of (by wt%) 58.53~71.21% V, 24.76~36.49% Cr, 5.02~8.27% Fe and balance inevitable impurities. The alloy has low costs and can be used as a base material for producing V-based hydrogen-storage al...
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JP5770118B2 |
To provide a method of producing reduced iron, capable of continuously operating a rotary kiln for a long period of time by preventing generation of deposits on an inner wall of the rotary kiln.A method of producing reduced iron includes...
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JP2015137410A |
To provide a reducer or the like capable of more efficiently performing reduction of magnesium oxide.A reducer 1 reduces magnesium oxide for acquiring magnesium. A laser radiation part 200 radiates laser to a magnesium oxide 2 mounted on...
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JP2015521236A |
In the method of removing a substance from a feedstock containing a solid metal or a solid metal compound, the feedstock is brought into contact with a molten salt melt. The molten salt melt contains a molten salt, a reactive metal compo...
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JP5751724B2 |
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JP5742360B2 |
To provide an operation method of a rotary kiln for reduction-roasting of steel dust by which even from steel dust having much content of zinc, zinc can be recovered with high yield and an iron-containing clinker usable as iron resources...
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JP5737157B2 |
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JP2015101765A |
To provide a solar heat magnesium reduction furnace capable of simultaneously heating many retorts.High temperature heat is generated by irradiating a heat exchange member 7 with condensed sunlight L. Since expansion chambers 3 are forme...
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JP5729073B2 |
To provide a raw material pellet for reduction-roasting of steel dust with which the volatilization ratio of zinc contained in the steel dust can be improved, and a method of manufacturing the same.The raw material pellet for reduction-r...
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JP2015514875A |
To disclose a method for producing magnesium and ferrosilicon using Ferro-Nickel Slag, which is a by-product of a ferronickel production process. The present invention comprises a step of blending a first raw material containing ferronic...
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JP5719972B2 |
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JP5715474B2 |
To provide a practicable method which can efficiently collect a rare metal by using a mechanochemical reaction.The rare metal is obtained by bring a powder of a rare metal oxide into mechanochemical reaction with a powder of a lanthanoid...
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JP5713530B2 |
A method of preparing primary refractory metals (e.g., primary tantalum metal) by contacting a particulate refractory metal oxide (e.g., tantalum pentoxide) with a heated gas (e.g., a plasma), is described. The heated gas comprises hydro...
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JP5709552B2 |
To provide a method for producing a new hydrogen storage alloy composite recovered from a waste nickel hydrogen battery, by which oxygen concentration in the hydrogen storage alloy composite can be reduced and, as a result, a recovery is...
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JPWO2013084351A1 |
It collects high-purity silicon and effectively reduces the amount of carbon dioxide. By irradiating a mixture or compound of a first oxide such as magnesium oxide, potassium oxide or calcium oxide with a second oxide such as carbon diox...
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JP2015081206A |
To recover mercury efficiently from cement kiln exhaust gas at low costs.A treatment apparatus 1 for cement kiln exhaust gas includes an external kiln 2 which heats dust D1 recovered from cement kiln exhaust gas to vaporize mercury conta...
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JP5702428B2 |
Metallic titanium is continuously produced in an electric-arc furnace under a vacuum by the metallothermic reduction of titanium tetrachloride by a reducing agent such as magnesium. The nanoparticles of titanium obtained from the reducti...
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JP2015063744A |
To provide a method for inexpensively recovering metal from waste such as residue containing various metal oxides and ores.Metal oxide and fine powder silicon or/and fine powder silicon carbide are mixed, and the mixture is layed in a sl...
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JP2015063740A |
To provide a method for producing granular iron capable of preventing the reoxidation of reduced iron obtained by subjecting an agglomerate to heating reduction and granular iron obtained by melting and agglomerating the reduced iron in ...
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JP5698221B2 |
A metal titanium production device comprising: (a) a magnesium evaporation unit in which solid magnesium is evaporated and a first flow path which is communicated with the evaporation unit and through which gaseous magnesium is supplied;...
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JP5692950B2 |
A method for the production of metal powders or metal hydride powders of the elements Ti, Zr, Hf, V, Nb, Ta, and Cr is disclosed, whereby an oxide of the said elements is mixed with a reducing agent and said mixture, optionally with a hy...
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JP2015505581A |
The starting material 2 in the form of a magnesium-containing metal melt is present in the upper region 11 of the distiller 1 heated by the external heating element 5 along with the upper region 32 of the condensing vessel 3. Steam rises...
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JP2015034352A |
To provide a method of reducing a thin film on a low temperature substrate.A method of preparing a conductive thin film on a substrate is disclosed. First a reducing metallic compound and a reducer are dispersed in a liquid. Then, this d...
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JP5656172B2 |
The present invention relates to a method of recovering a valuable metal from slag. The method includes the steps of: applying a magnetic field whose magnitude is increased in a stepwise fashion to crushed slag to separate a magnetic mat...
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JP5652765B2 |
The present invention provides a metal component collection agent for collecting one or more metal components from a metal component-containing material; the agent containing, as an active ingredient, a compound containing one or more gr...
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JP5651283B2 |
The process for converting a copper sulphide matte to blister copper, is achieved by adding the copper sulphide matte and flux to a suitable agitated slag phase; and injecting, from a discharge tip at the lower end of a top-submerged lan...
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JP5646935B2 |
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JP2014534348A |
Disclosed are iron and molybdenum-containing pellets and a production method for producing the above pellets. Raw pellets are produced by mixing iron-containing powders, molybdenum oxide powders and carbonaceous powders. The raw pellets ...
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JP2014221936A |
To provide a method of recovering rare earth metals, including Dy, from a rare earth magnet by the molten metal extraction method.A method of recovering rare earth metals includes an extraction step of extracting rare earth metals from a...
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JP5632359B2 |
A method for producing nanostructures on a metal oxide substrate includes the following steps: a) forming metal aggregates on the metal oxide substrate; and b) vapor phase growing nanostructures on the metal oxide substrate covered with ...
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JP5630962B2 |
Production of niobium sub-oxide involves reacting niobium dioxide with niobium metal in the presence of hydrogen. Production of niobium sub-oxide (NbO x) involves reacting niobium dioxide (NbO y), where y is 1.8-2.1, with a stoichiometri...
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JP5623956B2 |
To provide a method of producing a high-purity metal iridium having reliable grindability from an iridium chloride solution.The method of producing the metal iridium from the iridium chloride solution includes: a step of heating the irid...
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JP5614056B2 |
To provide a method for operating a copper refining furnace, in which slag and matte in molten metal are efficiently separated, and magnetite is prevented from being deposited at a furnace wall part and thickly accumulated thereon, and a...
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JP2014201793A |
To micronize scrap or ingot-shaped aluminum by a simple and safe method and to use the same for a reducing agent.Scrap or block-shaped aluminum is dissolved, is thereafter discharged from a heating furnace and is allowed to cool. The sur...
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JP2014196560A |
To provide a metal recovery method which reduces the time for metal recovery and improves the quality of a recovered metal.A metal recovery method is for recovering a metal X from a raw material containing the metal X and has a metal X r...
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JP5608876B2 |
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JP5605828B2 |
An ironmaking process and an ironmaking system are provided in which ammonia, which is transported by an established method, is used as a reducing agent to thereby lower the temperature for the reduction reaction and make it possible to ...
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