| Document |
Document Title |
|
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...
|
|
JP2009179841 |
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...
|
|
JP2009179820 |
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...
|
|
JP2009179824 |
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...
|
|
JP2009167469 |
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...
|
|
JP2009144213 |
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...
|
|
JP2009127064 |
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...
|
|
JP2009127118 |
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...
|
|
JP2009090180 |
To provide a waste water treatment method where harmful waste water containing heavy metals and organic matters is subjected to purification treatment, and the waste water is made harmless to a dischargeable state.Floatation waste water ...
|
|
JP2009079303 |
To provide a manufacturing method of stainless steel capable of decreasing reduction energy of Cr and increasing the yield of Cr into molten steel, when reutilizing a waste such as dust generated in a stainless steel manufacturing proces...
|
|
JP2009074132 |
To provide a method for producing an electrolytic solution of zinc, which uses a zinc-containing substance having a high halogen content as a raw material, can easily remove the halogen with high productivity without using a dry process ...
|
|
JP2009052141 |
To provide a method for reducing an electric furnace dust, comprising compressing molding a powdery mixture of an electric furnace dust, produced in an electric furnace for steelmaking, with a carbon material to prepare a briquette which...
|
|
JP2009041050 |
To provide a slag-fuming method which can yield a dust that contains zinc, lead and little amount of arsenic, antimony and a halogen group element, and a slag that stably satisfies a standard for a soil environment at a high volatilizati...
|
|
JP2009041051 |
To provide a slag-fuming method which can yield a dust that contains zinc, lead and little amount of arsenic, antimony and a halogen group element, and a slag that stably satisfies a standard for a soil environment at a high volatilizati...
|
|
JP2009028597 |
To provide a flotation method with which floatability of pyrite for sulfide minerals containing valuable metals contained in an ore is restrained, so that a high-grade purified ore can be efficiently recovered.The flotation method with w...
|
|
JP2009030121 |
To provide a method for recovering zinc oxide from electric furnace dust by which zinc oxide can be obtained in a non-reduced state, zinc oxide can be more efficiently separated while saving energy, and further added value can be applied...
|
|
JP2008302356 |
To provide a method of biotreating a solid material to remove an undesired compound using a nonstirred surface bioreactor.The surface of a plurality of coarse substrates is coated with a solid material to be biotreated to form a pluralit...
|
|
JP2008297623 |
To provide a reduction treatment apparatus and a reduction treatment method, capable of lowering treatment cost.In a reduction oven 2 in which zinc-containing iron oxide, zinc oxide or iron oxide is supplied, at least one of waste, effec...
|
|
JP2008297624 |
To improve the working rate of a solid-reduction furnace, relating to an apparatus and a method for processing the reduction of iron oxide containing zinc or zinc oxide or iron oxide.This apparatus is the one, in which the iron oxide con...
|
|
JP2008291332 |
To stably perform the operation without developing such problems as to increase the blasting pressure and drop the molten iron tapping temperature and slag temperature, when the molten iron is produced by using dust-agglomerate as a part...
|
|
JP2008291331 |
To manufacture a dust aggromerate, which is hardly pulverized in a furnace and has high strength, by agglomerating zinc-containing dust to be generated in a vertical scrap melting furnace.The method for manufacturing the zinc-containing ...
|
|
JP2008291292 |
To provide a method for manufacturing molten zinc at a low cost while preserving the environment by using metal iron powder as not only a reducing agent but also a heat generating source without using a carbon material.Zinc oxide is mixe...
|
|
JP2008291334 |
To stably recover secondary dust having high zinc concentration by exactly controlling the zinc concentration in the secondary dust, when molten iron is produced while charging furnace-produced dust in a recycling manner as dust agglomer...
|
|
JP2008291333 |
To stably recover secondary dust of high zinc concentration and also, reduce the producing amount of the dust when molten iron is produced while recyclingly charging a furnace-produced dust as dust-agglomerate in a vertical scrap-melting...
|
|
JP2008291342 |
To provide a high-frequency induction heating type device for recovering reduced iron, which can simply recycle iron oxides and zinc contained in the electric furnace dust which is produced in steelmakers and the like, and now is dispose...
|
|
JP2008274413 |
To provide an easily performable method for recovering a metal where a metal can be recovered by a simple process of a pulverization operation.Balls for pulverization, the powder of a compound composed of a metal oxide including a prescr...
|
|
JP2008274383 |
To provide a rare metal/platinum-based metal extractant having a completely new structure which cannot be seen in the conventional rare earth/platinum-based metal extractants and having excellent extracting performance and also to provid...
|
|
JP2008266774 |
To recover zinc with a high purity from a hydroxide containing zinc, cadmium, copper, arsenic, iron, etc.A method for recovering zinc with a high purity from a hydroxide produced from smelting dust is provided, wherein the hydroxide cont...
|
|
JP2008261006 |
To provide a method for easily and efficiently treating iron precipitate produced in a process of refining nickel, while solving problems originating in an influence of chlorine contained in the iron precipitate and the properties of the...
|
|
JP2008249189 |
To provide a dust disposal device having superior heating efficiency.This dust disposal device is composed of an inner cylinder 4 having a supply opening 4c for supplying dust including heavy metal, and a discharge opening 4d for dischar...
|
|
JP2008229649 |
To provide a method for casting an alloy capable of developing parts made of a magnesium alloy, parts made of an aluminum alloy and parts made of a zinc alloy having excellent functionality such as corrosion resistance and, e.g., used fo...
|
|
JP2008196039 |
To efficiently adsorb and remove fluorine so that fluorine does not accumulate in liquid when using zinc-containing matters such as crude zinc oxide containing fluorine in a wet zinc smelting process.The problem can be solved by making f...
|
|
JP2008184641 |
To provide a melting/evaporating device for metal where productive efficiency is improved, and further, melting and evaporating can be swiftly performed at a stable speed.The melting/evaporating device is provided with: a storage tank 4;...
|
|
JP2008169424 |
To provide a method by which a high grade zinc compound having low moisture content can be efficiently separated and recovered from a substance containing heavy metals including zinc.The method for treating the substance containing heavy...
|
|
JP2008163420 |
To provide a metal refining method and a device by where high purity metal can be safely and efficiently refined without increasing the peripheral velocity of a cooling body and without providing a baffle at the inner circumferential fac...
|
