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Matches 351 - 400 out of 1,241

Document Document Title
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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;...  
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...  
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...  
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...  
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...  
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; ...  
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...  
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...  
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...  
JP2010007182
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...  
JP2010007180
To provide a method for producing pig iron by using iron ore with a high content of zinc, which can effectively use the iron ore with the high content of zinc and can solve a problem that both of zinc and iron are in short supply.The met...  
JP2010001524
To provide a method of making zinc content in dust in iron manufacturing low, in which processes are made efficient while using a magnetic separation method, and which is economically excellent.The method for making the zinc content in t...  
JP2009293090
To provide a lead splash condenser facility that can enhance the efficiency of a condenser, which is the efficiency in collecting zinc, while inhibiting the space from being blocked and splashed lead from being carried to the outside of ...  
JP2009287051
To provide a zinc recovery device which can efficiently recover zinc from zinc-containing ash.The zinc recovery device 5A by which zinc is recovered from zinc-containing flying ash, is provided with: a melting-reducing tank 19 storing fl...  
JP2009281617
To provide an exhaust gas treatment method for a rotary hearth furnace, increasing an exhaust gas flow velocity in comparison with a conventional one, and suppressing attachment of dense solid materials to a duct even when the exhaust ga...  
JP2009281687
To provide a method and a device for recovering valuables from exhaust gas of a heating furnace containing the valuables which do not oxidize valuable metal because of the treatment the exhaust gas emitted from the heating furnace such a...  
JP2009263737
To provide an operating method by which, in the operation of a slag cleaning furnace in which zinc and lead are separated from slag produced from a smelting furnace in zinc and/or lead smelting, when the operation of the slag cleaning fu...  
JP2009256741
To provide a technique for efficiently recovering a large amount of various valuable metals from waste batteries by a dry process.The method comprises separating and recovering the specific metal by charging and loading metal-containing ...  
JP2009242850
To provide a method capable of treating lead in which all are performed using a wet process.The method for leaching lead slag is a method for removing at least copper and zinc in a lead slag which is a smelting intermediate product of no...  
JP2009242934
To provide a method for charging raw material into a top-blowing type sintering machine, in which the raw material is charged through a hopper to form an ore layer on a fire-grate in a Dwight-Lloyd system top-blowing type sintering machi...  
JP2009235464
To provide a reduction treatment apparatus which can prevent the decrease of the total zinc amount in zinc refinement, and to provide a reduction treatment method therefor.The reduction treatment apparatus 1 includes: a rotary kiln 2 whi...  
JP2009221491
To provide a method for sintering a raw sulfide material containing a raw oxide material, which can acquire adequate productivity in a production of a sintered lump and enhance such a quality that the sintered lump contains less remainin...  
JP2009209389
To provide a slag-fuming method where, when a fuming furnace having an electric furnace type fusion section is used, the reduction in the temperature of a fused body accompanying the charge of a copper source to the fusion section is sup...  
JP2009209388
To provide a slag-fuming method where, in a slag-fuming method in which, while charging slag containing zinc, lead, arsenic and a halogen group element produced from a refining furnace in zinc and/or lead refining, and a copper source in...  
JP2009191305
To provide a method for practically recovering a zinc with which in the case of recovering the zinc from secondary dust generated in a reduction furnace for reducing sub-production materials, such as iron and zinc-containing dust, slurry...  

Matches 351 - 400 out of 1,241