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Matches 551 - 600 out of 2,589

Document Document Title
JP5102317B2  
JP2012246546A
To provide a metal recovery method capable of efficiently recovering metal components from the exhaust gas dust discharged from a smelting furnace in a metal refining process.The metal recovery method includes: feeding the exhaust gas du...  
JP5094411B2  
JP2012240031A
To provide a heavy metal collecting material which is obtained by making effective use of woody incineration ash to be generated as waste when woody biomass is burned, which promotes the utilization of the woody biomass as fuel, which ca...  
JP2012241205A
To provide a method for the reduction treatment of a metal oxide in which metallic zinc in a waste gas can be fully oxidized, and deposits on the inside surface of an exhaustion duct can be reduced.The method for the reduction treatment ...  
JP5090655B2  
JP5092615B2  
JP2012233261A
To provide a method for utilizing a secondary raw material including iron, zinc, lead, and preferably, steelmaking dust, using slag adjusted to basicity in a rotary tubular furnace conventionally equipped for a rolling process.The raw ma...  
JP5084272B2  
JP5086500B2  
JP5079222B2  
JP5071770B2
The invention relates to a process for the separation and recovery of non-ferrous metals from zinc-bearing residues, in particular from residues produced by the zinc manufacturing industry. The process comprises the steps of: —subjecti...  
JP5074762B2  
JP2012528243A
It is the method of exuding the above-mentioned target metal at least from one of the sulfuration ore containing one or more target metal and sulfuration pure ore, (a) Oxidize the above-mentioned target metal with the process and; (b) hy...  
JP2012214865A
To provide a process of leaching gold efficiently at low cost, from a mixture containing sulfur and gold, typically from a floatation recovered material containing sulfur and gold being an intermediate product in wet smelting, without us...  
JP5057206B2  
JP2012201947A
To provide a raw material pellet for reduction-roasting of steel dust with which the volatilization ratio of zinc contained in the steel dust can be improved, and a method of manufacturing the same.The raw material pellet for reduction-r...  
JP2012201901A
To provide a method for manufacturing a zinc oxide sintered ore which is low in grade of chlorine, fluorine and lead from zinc-containing iron and steel dust generated in a manufacturing process for iron and steel and is suitable for ele...  
JP2012201931A
To provide a refining method of Al scrap by which an Al refined article can be highly efficiently produced from Al scrap, the Al refined article simultaneously satisfying the predetermined high Si removal rate and high Al recovery rate a...  
JP2012201917A
To provide a refining method of Al scrap by which an Al refined article (an integration body of the compressed primary crystal) from which Si is removed at a predetermined high Si removal rate, can be highly efficiently produced from Al ...  
JP2012201946A
To provide an operation method of a rotary kiln for reduction-roasting of steel dust by which even from steel dust having much content of zinc, zinc can be recovered with high yield and an iron-containing clinker usable as iron resources...  
JP5052963B2  
JP5049311B2  
JP2012192312A
To selectively recover desired heavy metal from wastewater.An adsorbent is produced by mixing clay mineral, metal containing trivalent cations, and leaf mold containing corrosive acid at a predetermined ratio.  
JP2012193396A
To provide a new method for producing metallic gallium with which copper can be efficiently removed in a method for producing metallic gallium from gallium and copper-containing raw material.The production method contains a step of disso...  
JP3178801U
[Subject] From zinc oxide ashes generated in a bath surface by hot-dip-galvanizing work, a device efficiently divided into a zinc metal and processing ashes is provided in parallel to hot-dip-galvanizing work. [Means for Solution] While ...  
JP2011530650A5  
JP2012167334A
To provide a method of efficiently recovering Ir from a platinum group-containing solution, capable of improving an adsorption rate of Ir to activated carbon and efficiently recovering Ir.The method of recovering Ir from a platinum group...  
JP5007779B2  
JP4992549B2  
JP4983276B2  
JP4982662B2  
JP4980399B2  
JP4961600B2  
JP2012513536A
The present invention relates to a method for removing halides, in particular chlorides and fluorides, from starting secondary zinc oxides, for example Waelz or Primus oxides, comprising the steps (1) for washing the secondary zinc oxide...  
JP4932085B2  
JP2012086209A
To provide a method removing Fe from a phosphoric ester extracting agent used for Zn solvent extraction and containing 800 mg/L or more of Fe to thereby reproduce the agent.The method of reproducing a deteriorated extracting agent includ...  
JP2012082458A
To inexpensively and efficiently separating zinc in the zinc plating waste liquid from iron, and to produce high concentration zinc cakes of a zinc concentration of 40% or more which can be economically recycled.The method includes: an a...  
JP4921529B2  
JP2012077374A
To increase the concentration of cadmium by a simple method, and to easily and stably obtain crude cadmium having a relatively high purity (Cd>90%) even if some impurities are present.The method for producing crude cadmium is characteriz...  
JP2012077343A
To provide a method for refining high-purity bismuth while efficiently recovering valuable metals from lead anode slime.The method for refining bismuth includes the steps of: adding zinc to a bismuth molten metal containing at least silv...  
JP2012077341A
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 s...  
JP4914976B2  
JP2012067375A
To provide a processing method for converting slag ejected from a converter in a copper smelting into an iron raw material.In the method for processing the converter slag containing 1 mass% or more of Cu produced in the copper smelting p...  
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  

Matches 551 - 600 out of 2,589