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Matches 551 - 600 out of 2,540

Document Document Title
JP4904067B2  
JP2012057234A
To provide a leaching method capable of efficiently recovering main metals such as copper and zinc included in a waste electronic substrate or the like, and highly recovering rare metals as well.Waste electronic substrate powder being at...  
JP4903042B2  
JP4885391B2  
JP2012025616A
To liquefy a zinc gas and a zinc chloride gas included in a reaction exhaust gas while suppressing additional reaction, and to separately recover two liquids.A body part 10 with a tilt angle of 10-30 degrees is filled with a liquid zinc ...  
JP4872316B2  
JP2012012230A
To produce waste acid gypsum with high purity at low cost.There is provided a method for producing waste acid gypsum, including the steps of: a waste acid processing step in which sodium hydrosulfide is added to a waste acid containing s...  
JP2012500959A  
JP2012500902A  
JP2012007211A
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...  
JP4852716B2  
JP2012500110A  
JP2011530650A  
JP2011256084A
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...  
JP4820777B2  
JP4823192B2  
JP2011230074A
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 ...  
JP2011231366A
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...  
JP2011219323A
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...  
JP4806120B2  
JP2011195392A
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...  
JP2011195908A
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...  
JP2011190515A
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,...  
JP2011178586A
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...  
JP4769498B2  
JP4765062B2  
JP4765114B2  
JP2011523979A  
JP2011156473A
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...  
JP2011157568A
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...  
JP4750846B2  
JP4735947B2  
JP4735943B2  
JP2011131195A
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 ...  
JP2011519314A  
JP4715022B2  
JP2011127156A
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...  
JP4681623B2  
JP2011083733A
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...  
JP2011080127A
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...  
JP2011074426A
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...  
JP2011073965A
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...  
JP2011062644A
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...  
JP2011052273A
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...  
JP2011045875A
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...  
JP2011042850A
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...  
JP2011038182A
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...  
JP2011038129A
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...  
JP4639398B2  
JP4635231B2  

Matches 551 - 600 out of 2,540