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JP5690137B2 |
Device and method for separating metals and metal oxides thereof, in particular in nonferrous alloys, such as zinc. To this end, zinc residues (dross) is placed in a rotary drum and heated. After a certain treatment time, pure metal loca...
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JP5686470B2 |
To provide a method of collecting silver and copper which can collect silver and copper from a deposit containing silver, copper and calcium which are obtained by washing scattered ash with at least water by an easy operation and at high...
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JP5647158B2 |
To provide a method for treating agglutinate copper-containing impurities capable of selectively leaching and recovering copper from the agglutinate copper-containing impurities generated in lead smelting and of recycling valuable resour...
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JP2014201793A |
To micronize scrap or ingot-shaped aluminum by a simple and safe method and to use the same for a reducing agent.Scrap or block-shaped aluminum is dissolved, is thereafter discharged from a heating furnace and is allowed to cool. The sur...
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JP2014196560A |
To provide a metal recovery method which reduces the time for metal recovery and improves the quality of a recovered metal.A metal recovery method is for recovering a metal X from a raw material containing the metal X and has a metal X r...
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JP5596232B2 |
Disclosed is a method for recycling lead from waste glass containing lead, which comprises the following steps: mechanical crushing waste glass containing lead, ball milling and screening to obtain glass powder containing lead; alkaline ...
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JP5595543B1 |
In order to selectively extract copper and/or lead from an acidic solution containing high concentrations of manganese, etc., the valuable-metal extracting agent of the present invention is expressed by general formula (1). In the formul...
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JP2014172026A |
To provide, upon the discovery of a plant having a high heavy metal absorption/accumulation capacity, a method for efficiently removing heavy metals from a soil, etc. contaminated by the heavy metals as pollutants based on a phytoremedia...
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JP2014521831A |
The instant invention relates to a binder composition for pelletization of fine mineral particles comprising a) at least one colloid agent which exerts a cohesive force on the mineral particles forming the pellets, and b) at least one sy...
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JP5576901B2 |
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...
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JP5571345B2 |
Disclosed is a method for producing briquettes, by which briquettes having enhanced strength can be produced even when the amount of a binder used therefor is reduced as much as possible. Specifically disclosed is a method for producing ...
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JP5565354B2 |
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...
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JP5567680B2 |
A method of washing anode slime from lead-bismuth alloy electrolysis is disclosed, wherein a lead fluorosilicate solution with high concentration can be obtained by using the anode slime from lead-bismuth alloy electrolysis as raw materi...
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JP5554478B2 |
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 leas...
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JP5554481B2 |
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...
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JP5541658B2 |
To provide a flotation treatment method for recovering floating ore always having a high content and a high recovery ratio of an object substance to be recovered and recovering precipitating ore containing substantially none or an extrem...
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JP5546289B2 |
To provide a method for treating fine powder comprising a lead component and a calcium component in which the recovery rate of a lead component is high, and which can recover the lead component and the calcium component in a classified w...
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JP5541090B2 |
To provide a method for recovering lead from lead-containing glass in which a reduction reaction of lead oxide is advanced smoothly, an thereby which can collect metallic lead with a high yield.The method for recovering lead from lead-co...
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JP2014122369A |
To provide a method for recovering metals from a composite metal oxide under conditions of reducing the number of steps and saving energy consumption.A method for recovering metals from a composite metal oxide includes: a melting step to...
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JP5533076B2 |
To provide a method in which metal included in raw ore or mineral concentrate of low quality or a solid waste material in an iron mill is leached at low cost, at high speed and at high efficiency so as to be recovered, and, particularly,...
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JP5528130B2 |
To provide a fine powder treatment method capable of keeping the addition amount of a sulfurizing agent for producing lead sulfide constantly at the optimum value and recovering Pb constantly at a high recovery ratio without measuring th...
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JP5513627B2 |
A process for producing basic lead carbonate is provided. The process comprises: (1) immersing neutralization slag to obtain sodium hydroxide solution; (2) leaching lead chloride slag with the aqueous solution containing sodium chloride ...
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JP5514747B2 |
To provide a method of efficiently producing an electrolytic lead.The method of producing the electrolytic lead includes: a step of manufacturing an anode by adjusting a lead material having a bismuth concentration of 5-30 mass% so that ...
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JP5507310B2 |
To provide a method of efficiently and safely separating and recovering each of crude lead, crude copper and crude tin from a metallic mixture containing copper and tin and mainly containing lead.The method of producing valuable metal is...
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JP5482619B2 |
To provide a means for efficiently recovering lead from lead-containing glass such as a waste cathode ray tube.A method for recovering lead from lead-containing glass is provided, in which lead-containing glass, a reducing agent, a calci...
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JP5480502B2 |
A method for producing lead involves feeding lead concentrate, flux and solid fuel passing to a feed preparation unit. The prepared, mixed feed is then passed to a lead smelting furnace, such as an ISASMELT furnace or other top entry, su...
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JP2014046264A |
To provide an ion exchanger having thermostability and durability for use at high temperature under presence of water and a collection method capable of collecting useful metals and toxic metals at high temperature.An ion exchanger is ob...
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JP5411928B2 |
A process for chlorinating ore, slag, mill scale, scrap, dust and other resources containing recoverable metals from the groups 4-6, 8-12, and 14 in the periodic table. The process comprises: a) forming a liquid fused salt melt consistin...
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JP5403814B2 |
A method of recycling useful metals is provided. The method enables useful metals including indium, zinc, yttrium, europium, lanthanum, terbium, gadolinium, antimony, lead, copper, tin, and silver to be recovered from wastes, such as was...
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JP5374041B2 |
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JP5354486B2 |
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 presc...
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JP2013234356A |
To obtain high quality lead by effectively removing tin from lead including a large amount of tin derived from recycling raw materials as impurities.A soda treatment method in lead refining includes: a first soda treatment (S2) of dissol...
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JP2013542321A |
Zinc and lead are usually concomitantly present in Zn—Pb ores and tailings. A novel non-polluting hydrometallurgical process for selectively leaching and recovering zinc (Zn) from a composite lead (Pb) and zinc sulphide containing mine...
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JP5347091B2 |
A valuable metal is recovered from a waste-derived fine powder containing the valuable metal by magnetizing the valuable metal and using a simple separation method employing magnetic force, without using a complicated high-energy method ...
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JP5342560B2 |
The present invention relates to an electrolytic process for producing metallic lead starting from desulfurized lead pastel comprising the following operative phases: a) leaching the desulfurized pastel by putting it in contact with a so...
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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...
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JP5334312B2 |
To efficiently recover heavy metals such as lead from a cement production process and to increase the quantity of a recovered salt while avoiding the explosion in an electrostatic dust collector or the occurrence of harmful materials suc...
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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 s...
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JP2013538939A |
Process for melting scrap metal in a furnace comprising the steps of feeding a charge of solid scrap metal to the furnace, supplying fuel and an oxygen-rich oxidant to the furnace and combusting the fuel with the oxidant to generate heat...
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JP5299809B2 |
To provide a method for recovering metal from non-ferrous metal refinement debris, capable of efficiently removing arsenic from copper refinement debris with a high arsenic content and recovering valuable metals such as copper and lead i...
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JP5288778B2 |
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 metho...
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JP5279311B2 |
To provide a treating method which can separate a calcium component and a lead component from fine powder containing the calcium component and the lead component with a high separating performance. The treating method includes a (A) proc...
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JP5280904B2 |
To provide a method of electrolytically processing lead, by which high purity lead is recovered even for a high Bi grade anode for electrolysis obtained by treating dust, in the recovery of Pb in the dry dust produced from nonferrous ref...
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JP2013151414A |
To efficiently recover minor components such as lead from dust included in cement kiln combustion gas at low cost.An apparatus 1 for treating cement kiln dust is equipped with: a classifier 8 classifying dust included in combustion gas e...
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JP2013530366A |
Fuel-fired furnace and a method for operating it, in which method: a main oxidizing agent is injected at a controlled flow rate into the combustion chamber of the furnace; the combustible material is burnt in the combustion chamber with ...
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JP2013139595A |
To provide a method for efficiently separating and recovering copper and indium contained in a dross containing copper generated in a lead smelting step.The method for recovering valuables from an impurity lump containing copper includes...
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JP5224490B2 |
A method of processing flue dust that contains one or more compounds from a first group of zinc, lead and cadmium compounds, and contains iron compounds, involves heating the flue dust to cause a substantial portion of one or more of the...
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JP2013527307A |
A method for recovering hydrochloric acid and metal oxides from a chloride liquor is described. The method uses a chloride liquor including the metal and mixing the liquor and a matrix solution to produce a reaction mixture, wherein the ...
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JP5213119B2 |
[Subject] To efficiently reduce lead content of cement without exerting influence upon quality of the cement. [Means for Solution] The method comprises the steps of: controlling O 2 concentration of combustion gas in an inlet end of a ce...
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JP5201556B2 |
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 tra...
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