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Matches 551 - 600 out of 2,656

Document Document Title
JP2013234368A
To obtain zinc in which the content of carbon is reduced, and further to obtain high purity silicon, in which the content of carbon is reduced, by a zinc reduction method using the zinc having a low carbon content.In a method for refinin...  
JP2013542321A
Zinc and a lead usually live together in a Zn-Pb ore and 尾鉱. A compound lead sulfide (Pb) and zinc which contain a mineral without needing refinement and refinement work, A new pollution-free wet metallurgical process of exuding and ...  
JP2013540889A
Process for treating liquid effluents and recovering metals, comprising the steps of a) equalizing the liquid effluent; b) ) adding sulfides and metal precipitation in the form of metal sulfides; c) separating solid/liquid from the metal...  
JP5336472B2
Treatment of residues (I) comprising zinc ferrites and lead, silver, indium, germanium and/or gallium as oxides and sulfates involves (a) roasting (I) in an oxidizing medium at high temperature to give a desulfurized residue, (b) carryin...  
JP5332806B2
To provide a method for recycling electric furnace dust, in which the electric furnace dust is recycled into the electric furnace by handling the electric furnace dust with a lifting-magnet crane while maximizing a recycling ratio of a t...  
JP5324544B2
To provide a method for treating lead slag, which can reduce the amount of drainage generated from lead slug and remove copper from the lead slag. The method for treating lead slag includes the steps of: adding a sulfuric acid, a ferric ...  
JP2013538939A
supplying an injection thing of a solid scrap metal to a furnace, fuel, and oxygen -- supplying a rich oxidant in a furnace, How to fuse in a furnace a scrap metal provided with a process of burning fuel with an oxidant and generating he...  
JP5317273B2
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 ...  
JP5312845B2
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 f...  
JP5303779B2
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...  
JP5303786B2
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...  
JP2013185179A
To provide a hydrometallurgical method for nickel oxide ore, with which it is possible to improve the filtering characteristics in a dezincification step in which a neutralized liquid that contains zinc besides nickel and cobalt is sulfi...  
JP5288778B2  
JP5281779B2
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 ...  
JP2013170291A
To provide a dezincing apparatus which can cope with an increase in throughput and can realize uniform heating irrespectively of the properties of a galvanized steel sheet.A dezincing apparatus is provided with: a heating vessel 10 in a ...  
JP2013159797A
To provide a method of producing reduced iron, capable of continuously operating a rotary kiln for a long period of time by preventing generation of deposits on an inner wall of the rotary kiln.A method of producing reduced iron includes...  
JP2013159838A
To provide a treatment method of zinc slime, by which a zinc slime (a mixture of a zinc hydroxide and another) generated in a non-ferrous smelting step and a chlorine-containing resin are recycled as a zinc smelting raw material, and als...  
JP2013155402A
To provide a method of producing economically recyclable high concentration zinc cake of a zinc concentration of at least 40%, by efficiently separating zinc present in a waste galvanization solution from iron at low cost.A zinc composit...  
JP5260065B2
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 vaporize...  
JP2013147702A
To provide a processed product of noble metal-containing scrap from which the noble metal can be simply and efficiently recovered and a production method therefor and a noble metal recovery method.A processed product of noble metal-conta...  
JP2013147364A
To provide a hydrogen sulfide gas production plant capable of recovering discharged waste hydrogen sulfide gas and efficiently supplying the gas to a treatment plant that performs treatment by using hydrogen sulfide gas; and a method for...  
JP2013531129A
A method for recovering valuable metals, such as lead, silver and gold from the residue of an electrolytic zinc process, wherein the residue from the zinc process is suspended and sulfidized for converting the lead and silver compounds i...  
JP2013139618A
To provide a treatment method for smoke ash which can recover lead with high efficiency while suppressing an increase in treatment cost, from smoke ash that is generated in refining a non-ferrous metal and contains lead and zinc where le...  
JP2013133479A
To provide a method of highly efficiently recovering metallic zinc present in the top dross of zinc-based molten metal at a high recovery rate without generating a harmful halogen or a harmful halide.The method of recovering metallic zin...  
JP5224490B2  
JP5206662B2  
JP2013112839A
To provide a method for producing a high-quality sintered ore by which a rotary kiln required to stably operate at high temperature can continue the high temperature operation and at the same time the generation of solid block etc. as th...  
JP5200422B2  
JP5201556B2  
JP2013518189A
A production method and a device of metal powder. In this method, a dissolved useful metal and the solution containing at least one mediation metal are mixed, a dissolved useful metal is settled, and it is considered as useful metal powd...  
JP2013095692A
To provide a means for selectively extracting cadmium or zinc ions from a solution containing at least one base metal ion chosen from cadmium and zinc.There is provided a compound represented by formula I [wherein R1, R2, R3 and R4 are e...  
JP5192000B2  
JP2013076149A
To provide a recycling system in which work burden on a rotary kiln is reduced and furthermore, reduced iron and zinc can be effectively taken out from soot and dust.The recycling system 10 includes: an electric furnace 12 which melts sc...  
JP5189873B2  
JP5188118B2  
JP5183638B2  
JP2013511620A
The present invention relates to the method of removing a chloride from sulfate-of-zinc solution in relation to zinc production. According to this method, a chloride is removed from solution by the 1 value copper generated in another cop...  
JP2013060662A
To provide a method of efficiently recovering indium and zinc from an indium-zinc oxide (IZO) sputtering target or IZO scrap such as IZO mill ends arising during manufacture.The method of recovering valuable metal from IZO scrap is chara...  
JP5176053B2  
JP5169445B2  
JP5168992B2  
JP5172061B2  
JP5167608B2  
JP5167586B2  
JP2013508559A
It is related with the present invention condensing metal, such as a gaseous phase compound or an element, for example, magnesium etc., by reduction processing. Metal reductionism and carbon reductionism are contained in this. This appli...  
JPWO2011048927A1
複数系列の処理設備を有するニッケル酸化鉱 石の湿式精錬プラントにおいて、該処理設備 に重大トラブルが発生した場合でも、これに よる処理量の減少を最小限とし、重大ト...  
JPWO2011048927A
In a wet refinement plant of a nickel oxidation ore which has multiple disposal equipment of a series, Even when a serious trouble occurs in the disposal equipment, reduction of a throughput by this is made into the minimum, and a wet re...  
JP2013044045A
To provide a method and system for recovering valuable metals of waste catalysts/waste adsorbents, efficiently recovering valuable metals from waste catalysts used in petroleum refining process.The method for recovering valuable metals o...  
JP2013039124A
To provide a seed plug capable of enhancing the germination rate and growing rate of seeds planted in a ground contaminated with heavy metals and thus efficiently and stably purifying contaminated soil, and to provide a method for purify...  
JP5149163B2  

Matches 551 - 600 out of 2,656