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JP2012007211 |
To provide a slag fuming operation method excellent in productivity in which the volatilization separation of zinc and lead per unit time is promoted and dust including a large amount of zinc and lead is obtained.The slag fuming operatio...
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JP2011256084 |
To provide a method for producing polycrystalline silicon whose production cost is low and operation control and apparatus control are simple.The method for producing high purity polycrystalline silicon includes oxidation treatment which...
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JP2011231366 |
To provide a valuable metal recovery method that has excellent valuable metal selectivity and recovery efficiency, and furthermore is capable of reusing materials that have been used in the recovery of a valuable metal.The valuable metal...
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JP2011230074 |
To specifically provide a simple, practical and effective method for separating wet dust in gas emissions from a blast furnace for iron manufacturing containing a large amount of carbon (C) into iron (Fe) and carbon (C) to reuse them in ...
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JP2011219323 |
To provide a method for recovering unreacted zinc which efficiently recovers the zinc which does not contribute to a reduction reaction and is discharged in an unreacted state in a zinc reduction method for refining silicon for a solar c...
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JP2011195392 |
To provide a method for continuously refining polycrystalline silicon by which, when the polycrystalline silicon is produced by reducing silicon tetrachloride by a zinc reduction method, reduction is continuously performed and generation...
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JP2011195908 |
To provide a dezincification apparatus and a dezincification method, achieving uniform heating in a furnace, thereby ensuring dezincification.The dezincification apparatus comprises: an induction heating furnace 10 that has an input port...
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JP2011190515 |
To provide a method in which metal included in raw ore or mineral concentrate of low quality or a solid waste material in an iron mill is leached at low cost, at high speed and at high efficiency so as to be recovered, and, particularly,...
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JP2011178586 |
To provide a method for producing polycrystalline silicon of solar cell quality while stably regenerating zinc chloride when polycrystalline silicon is produced from silicon tetrachloride by a zinc reduction method.Regarding the method f...
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JP2011156473 |
To provide a simple and efficient treatment method to separate and remove a fluorine ion and/or a chlorine ion from dust containing zinc.A method of treating dust includes mixing the dust containing zinc to an alkali aqueous solution con...
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JP2011157568 |
To provide a method for efficiently recovering an iron and a zinc at a low cost from a waste galvanizing liquid by an economic method.The problem is solved by the method for recycling the waste galvanizing liquid, and the method includes...
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JP2011131195 |
To recover manganese oxide from a dry cell by a low-cost method.The method for recovering manganese oxide from the dry cell includes: a crushing/sieving treatment process of crushing and then sieving the dry cell and obtaining a crushed ...
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JP2011127156 |
To provide a method of recovering a metal with excellent economic efficiency.The metal is recovered through the following processes: (1) a leaching process of reducing trivalent iron ion to divalent iron ion by iron reduction bacteria an...
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JP2011083733 |
To provide a method for regenerating an organic solvent whose extraction capacity is deteriorated with a simple processing step and high regeneration effect with regard to organic solvents and the like that extract indium from a tin elec...
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JP2011080127 |
To provide a zinc separation method and an appliance for separating zinc which separate zinc from iron material having deposited zinc while preventing oxidation of iron material part of the iron material having deposited zinc although th...
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JP2011073965 |
To provide a method for manufacturing a zinc oxide powder by recycling a zinc-containing waste acid.The method for manufacturing the zinc oxide powder by recycling the zinc-containing waste acid comprises: a step of recovering the zinc-c...
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JP2011074426 |
To produce a briquette whose strength can be increased even when the amount of a binder used is reduced as far as possible.A method for producing the briquette includes: a step of forming primary granules with an apparent density of 1,00...
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JP2011062644 |
To provide a method for recovering valuable resources from disposed matter capable of recovering efficiently and purely valuable metals such as iron, zinc, copper, and lithium, valuable oxides, or halogen compounds such as salt, and pota...
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JP2011052273 |
To provide a method for removing tin from a tin-containing material, in which tin can easily be removed.The method for removing tin from a tin-containing material includes: a leaching stage where tin is leached from the tin-containing ma...
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JP2011045875 |
To provide a method for removing cadmium and zinc from soil.The invention relates to a method for removing cadmium and zinc from soil and optionally a method for recovering cadmium and zinc using Thlaspi caerulescens originating subspeci...
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JP2011042850 |
To provide a dezincification apparatus which can extremely inexpensively and surely remove zinc, and to provide a dezincification method therefor.This dezincification apparatus includes: an induction heating container 50 which has an inp...
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JP2011038129 |
To provide a concrete method and suitable conditions for effectively utilizing Fe content while suppressing the content of accessory Zn with respect to a wet type magnetic adhesion sorting technique for effectively utilizing the Fe conte...
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JP2011038182 |
To provide a method for extracting valuable metals from an acidic or ammonia aqueous solution.A solvent extraction composition is provided which comprises one or more orthohydroxyarylaldoximes or orthohydroxyarylketoximes and one or more...
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JP2011032516 |
To reduce the recovery cost of copper by reducing the content of copper in residue after separation treatment of lead in copper converter dust treatment.The treatment method for copper converter dust includes: an oxidation-acid leaching ...
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JP2011026687 |
To reduce residue from refining dust discharged in copper refining, and to increase the throughput of the raw material for the refining dust.The method for treating copper converter dust includes: a dilute sulfuric acid leaching treatmen...
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JP2011006749 |
To provide a method for effectively and economically separating and collecting elements such as copper which coexists in iron scrap.This separation and collection method includes: melting the iron scrap; bringing the obtained melt of the...
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JP2010284593 |
To efficiently recover water and a metal from washing wastewater in electroplating.The method for recovering the water and metal from the washing wastewater in the electroplating includes an iron insolubilizing step for oxidizing a bival...
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JP2010285655 |
To provide a metal recovering method in which, when valuable metal-containing waste water is fed to a chelating resin column to allow ions of the metal to be adsorbed and then the metal ions adsorbed by the chelating resin are eluted for...
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JP2010275568 |
To provide a co-refining method for zinc and lead which efficiently obtains zinc and lead from zinc sulfide ores, and to provide a zinc-lead co-sintering apparatus suitable for the method.In the method of co-refining zinc and lead, a raw...
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JP2010269306 |
To efficiently decrease the concentrations of a heavy metal and a sulfate ion in the washed filtrate which is generated when dust is treated and solid-liquid separation is performed and which contains potassium and chlorine as main compo...
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JP2010253432 |
To recover manganese oxide from a dry cell by a low-cost method.The method of recovering manganese oxide from a dry cell includes: a crushing/sieving treatment process of crushing and then sieving the dry cell and obtaining a crushed mat...
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JP2010248558 |
To provide a method for igniting a raw material in an ignition burner by which an accidental fire trouble is eliminated and a consumption unit of fuel used for the ignition burner is reduced in a sintered mass producing process using a t...
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JP2010235371 |
To provide a method for efficiently reduce the content of zinc in cement without influencing the quality of the cement.The method for removing zinc from a cement firing kiln comprises charging a combustible substance in a region in the c...
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JP2010196162 |
To provide a method for removing a metal element from an organic phase (A) which is produced in a back extraction step constituting a solvent extraction process and contains an amine-based extractant that carries chloro complex ions of t...
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JP2010190551 |
To provide a method for charging recycled reduction materials into a furnace to hold the recycled reduction materials at a predetermined position.In the method for charging recycled reduction materials, a tire is rolled and charged into ...
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JP2010179209 |
To clean a contaminated soil efficiently and stably.This method of cleaning a contaminated soil comprises the following processes. First, a seedling nursing process is to fill a large number of cells, fitted to a tray body of a plug tray...
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JP2010180472 |
To provide a method for separating zinc from a galvanized steel scrap in which zinc can be efficiently removed without dissolving and sticking iron.The method for separating zinc from a galvanized steel scrap includes heating the scrap f...
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JP2010180430 |
To provide an extracting agent for highly selectively recovering a noble metal, such as gold, palladium, platinum, especially gold, contained in the waste electronic materials or the waste electronic device, and the extracting agent for ...
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JP2010180461 |
To provide an apparatus for recovering zinc with which high quality zinc having reduced chlorine content, is efficiently recovered from dust containing zinc oxide.The apparatus for recovering zinc includes; a furnace body 7, in which dus...
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JP2010168625 |
To recover a higher purity reclaimed solder when oxidized scum is removed from solder dross, and also to dispose of only the oxidized scum without entraining the reclaimed solder.An agitation unit 3 is set to an opening 2a of a solder me...
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JP2010121179 |
To provide a more efficient method and specific condition for increasing an enrichment rate of zinc and a collection rate of zinc, in a process of collecting the zinc by reducing a by-product containing iron and zinc such as dust and slu...
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JP2010053376 |
To manufacture briquettes with increased strength, even when using minimal quantities of binder and water.The briquette manufacturing method includes a process where an iron oxide raw material and/or a carbonaceous substance are crushed;...
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JP2010043310 |
To efficiently produce high purity zinc by electrolyzing zinc chloride generated as a by-product by a zinc reduction method and to produce silicon by the zinc.A method of producing zinc comprises: a distillation step of obtaining purifie...
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JP2010043344 |
To provide an apparatus and a method for recovering metal by which the metal is efficiently recovered from an acid waste fluid produced when removing a metal element in an aquatic product and the eluate can be reused.The apparatus compri...
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JP2010031356 |
To provide a method for producing reduced iron using high zinc-content iron ore with which the effective utilization can be obtained.This method for producing the reduced iron using the high zinc-content iron ore is characterized in that...
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JP2010031355 |
To provide a method for producing luppe using high zinc-content iron ore with which the effective utilization can be obtained.This method for producing the luppe using the high zinc-content iron ore is particularly used as the followings...
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JP2010031302 |
To provide a hydrometallurgical process comprising: a step (1) for obtaining an aqueous solution of crude nickel sulfate by high temperature-pressure acid leach of a nickel oxide ore; a step (2) for obtaining a zinc-free final solution; ...
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JP2010018865 |
To manufacture briquettes with enhanced strength even if reducing consumption of a binder and water to the utmost.The method includes a step for forming primary particulates using the metal oxide powder containing iron oxide and at least...
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JP2010008030 |
To improve a concentration of zinc in dust without increasing production cost while performing stable operation, in a method of producing molten metal by melting iron-based scrap by using a vertical melting furnace.Shredded iron-based sc...
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JP2010007181 |
To provide a method for producing reduced iron by which in the case of producing the reduced iron from iron ore by using a shifting-type hearth furnace, dust containing zinc content in the iron ore with the usable concentration as a zinc...
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