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Matches 551 - 600 out of 2,443

Document Document Title
JP2010043344A
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...  
JP4420216B2  
JP4417152B2  
JP2010031356A
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...  
JP2010031355A
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...  
JP2010031302A
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; ...  
JP2010504269A  
JP2010018865A
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...  
JP4399567B2  
JP2010008030A
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...  
JP2010007181A
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...  
JP2010007182A
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...  
JP2010007180A
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...  
JP4398021B2  
JP2010001524A
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...  
JP2009293090A
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 ...  
JP2009544846A  
JP4386469B2  
JP2009287051A
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...  
JP2009281617A
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...  
JP2009281687A
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...  
JP4376918B2  
JP4365124B2  
JP2009263737A
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...  
JP2009256741A
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 ...  
JP4359090B2  
JP2009242850A
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...  
JP2009242934A
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...  
JP4350262B2  
JP2009235464A
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...  
JP2009221491A
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...  
JP2009209389A
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...  
JP2009209388A
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...  
JP4328256B2  
JP2009191305A
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...  
JP2009179841A
To provide a method for treating molten fly ash, which can promote dechlorination and the elution of zinc while inhibiting the elution of copper.In a treatment process of dechlorinating a molten fly ash containing a valuable metal compon...  
JP2009179820A
To provide an apparatus for recovering vaporized zinc profitable to shorten an operating time without needing to be a high vacuum state from the atmospheric state of a scrap-accommodating chamber for accommodating the scrap.The vaporized...  
JP2009179824A
To provide a method for collecting zinc in an iron-making dust, which includes more efficient steps and is more economical than a conventional wet method.This collecting method includes a zinc elution step, a solid-liquid separation step...  
JP2009167469A
To provide a method for easily and efficiently treating copper-containing dross generated in a refining furnace process.When slag generated in a blast furnace is, after the coarse separation of copper-containing coarse lead and furnace i...  
JP4299548B2  
JP4295557B2  
JP4295193B2  
JP2009144213A
To provide a method achieving the suppression of the growth of depositions to the inner wall of a rotary kiln while depending on the content of a water content in a zinc oxide cake.Regarding the method for manufacturing a zinc oxide calc...  
JP4279964B2  
JP2009522450A  
JP2009127064A
To provide a reduction treatment apparatus and a reduction treatment method which can reduce treatment cost.At least one of sludge, oil spot, tree waste, fiber waste, rubber waste, and animal and plant residues as the waste material, whi...  
JP2009127118A
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 method...  
JP4277108B2  
JP4271196B2  
JP4274069B2  

Matches 551 - 600 out of 2,443