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JP5188118B2 |
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 ...
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JP5169445B2 |
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...
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JP5132137B2 |
To provide a simple processing method for separating and recovering a calcium component and a lead component from a micropowder containing the calcium component and the lead component, which method requires few steps and chemicals and ca...
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JP5128494B2 |
The invention concerns a method for the continuous or discontinuous extraction of a metal or several metals from a slag that contains the metal or a compound of the metal, in which the liquefied metal-containing slag is heated in a prima...
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JP5117527B2 |
An exhaust-gas processing apparatus in nonferrous smelting facilities includes: a tower that removes particulate impurities from an exhaust gas emitted from a furnace by spraying a circulating liquid onto the exhaust gas, and deposits th...
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JP2013007106A |
To provide a means of efficiently recovering metal lead from dross including lead and oxide.Dross 9 including lead and oxide is charged to the crucible 2 of a recovery boiler 1, and a state where it is heated at ≥886°C is continued. S...
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JP2013501137A |
In a process and apparatus for the reduction of metal oxides to form metalized material by contact with hot reducing gas, which is produced at least partially by catalytic reformation of a mixture of—a gas containing carbon dioxide (CO...
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JP2013500566A |
An all-wet process for reclaiming the lead content of impure electrode paste or slime from discarded lead batteries and/or lead minerals, in form of high purity lead compound, comprises a) suspending the impure lead containing material i...
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JP5094411B2 |
The invention is directed to a process for extracting a metal from a slag containing said metal, wherein the liquefied metal-containing slag is heated in at least one electric arc furnace (1, 2). In order provide an improved method for r...
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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...
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JP2012239945A |
To provide a lead removal method for lead containing glass which is excellent in efficiency by reducing the yield of lead chloride.The lead removal method for lead containing glass includes: a reductive dissolution process of melting cru...
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JP5088724B2 |
To provide a treating method by which a calcium component and a lead component can be sorted and recovered from fine powder containing the calcium component and the lead component by a small number of processes and chemicals and by a sim...
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JP5092615B2 |
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...
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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...
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JP5086500B2 |
Evaluating steel works dust containing iron, zinc and lead comprises mixing and/or agglomerating the dust with a finely ground carbon carrier that can react. The amount of carbon compared with all carbon-consuming reactions is present st...
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JP5076062B2 |
To obtain high-grade economical lead of reduced refining cost by separating lead contained in a residue occurring at hydrometallurgical zinc refining from silica, tin and antimony more effectively than before. An apparatus 1 for treating...
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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:-subjecting ...
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JP5070837B2 |
To provide a method for easily producing a lead alloy from which antimony is removed or is decreased to a sufficiently low level, without leaving an unfavorable component as a material for a grid body in a lead storage battery therein. T...
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JP5074762B2 |
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...
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JP2012528243A |
A method for leaching one or more target metals from a sulfide ore and/or concentrate containing such, the method comprising the steps of: (a) Exposing the ore and/or concentrate to an aqueous solution of chlorine-based oxidising species...
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JP5063885B2 |
To reduce equipment cost and running cost in the recovery of lead from cement kiln dust or chlorine bypass dust. The lead recovering device 1 is equipped with: a dissolution reaction tank 7 where cement kiln dust or the like are dissolve...
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JP5063630B2 |
To provide a treating method in which the solid concentration of slurry comprising of fine powder and water can be always maintained at an optimum value and by which high treating efficiency and high lead contents of float can be obtaine...
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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.
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JP5046306B2 |
To provide a method for treating fine powder, capable of maintaining the addition amount of a sulfating agent for generating lead sulfide at an optimum value at all times by a simple method without measuring the content of lead in the fi...
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JP5025537B2 |
To provide a method of treating calcium component and lead component which can be fractionally recovered, at a high lead recovery rate, from microdust containing both components (e.g., chlorine bypass dust). This method comprises the fol...
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JP5019831B2 |
To utilize dust in a bled gas while reducing an amount of a chemical agent to be used when Se is removed from a treatment liquid of the dust contained in the bled combustion gas of a cement kiln. This treatment method comprises the steps...
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JP5016929B2 |
To provide a method for purifying an arsenic solution, in order to drastically reduce the content of mercury and lead contained as impurities in the arsenic solution. A method for purifying an arsenic solution, where metal sulfide, such ...
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JP4999904B2 |
To provide a method of treating waste capable of stably and thoroughly removing lead from waste containing a large amount of lead such as incineration fly ash discharged from a municipal-waste incineration plant, molten fly ash discharge...
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JP4960331B2 |
The disclosure provides an article having a circuit mounted with parts characterized by comprising an electronic part soldered with a lead free solder and having an identification marking indicating no inclusion of lead and an electrical...
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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...
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JP2012508825A |
The invention relates to a method for treating materials containing a mixture of plastic materials and metal materials, said method including: —crushing the material to be treated; pyrolysis of the crushed material; a first magnetic se...
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JP4897170B2 |
Compositions and methods for selectively binding metal ions from source solutions are disclosed. The compositions include 1) polyamide-containing ligands covalently bonded to a particulate solid support, and 2) polyamide-containing polym...
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JP4876221B2 |
To provide a method for recovering, from copper, lead, tin and indium which are contained in dross generated at metal melt treatment etc. in a smelting process, the respective metals at a low cost in high yield. A raw material composed o...
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JP4872316B2 |
To provide a method and system for the recovery of valuable elements in a cement calcination plant which enables an efficient recovery of valuable elements contained in exhaust gas and their recycle as resources, in the utilization of va...
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JP2012021176A |
To recover metallic lead, without heating up to 800°C or more, by using, as a raw material, wastes which contain lead oxide or lead halide including lead blast-furnace cinders, refined cinders from other than lead refining, cinders afte...
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JP2012007211A |
To provide a slag fuming operation method excellent in productivity in which the volatilization separation of zinc and lead per unit time is promoted and dust including a large amount of zinc and lead is obtained.The slag fuming operatio...
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JP2012500110A |
A method for disposing electrical and electronic equipment comprising plastic and metal components, the method comprising: melt processing the equipment and/or comminuted parts thereof to form a melt processed product; transferring the m...
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JP4823192B2 |
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...
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JP2011231366A |
To provide a valuable metal recovery method that has excellent valuable metal selectivity and recovery efficiency, and furthermore is capable of reusing materials that have been used in the recovery of a valuable metal.The valuable metal...
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JP4797163B2 |
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JP4798469B2 |
The industry urges to get a method for processing lead in a wet method in the whole process. The invention provides a carbonation method for lead, wherein when the lead sulfate in a lead-contained article is made into a solution by means...
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JP4785438B2 |
To efficiently remove or recover heavy metals from chlorine by-pass dust or the like produced in a cement production process. One or more kinds selected from thallium, lead and selenium are removed or recovered from heavy metal-containin...
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JP4765062B2 |
To provide a wet treatment method for zinc leaching residue by which the amount of copper source substance to be added required for reducing the grade of rare metal such as indium in a solid content mainly including copper and arsenic as...
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JP4743794B2 |
To provide a method for removing an inorganic substance such as lead compounds from a polyvinyl chloride material, by which lead compounds can be efficiently removed from used PVC containing lead compounds. The method comprises: a PVC di...
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JP4737395B2 |
To provide a method for treating a fine powder containing a calcium component and a lead component, which can separately collect the calcium component and the lead component from the fine powder containing the calcium component and the l...
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JP4736362B2 |
To provide an adsorption material provided with both functions of adsorption and desorption of a soluble material in a solution, and also having a high recovery efficiency of the soluble material. The adsorption material includes light r...
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JP2011117061A |
To recover metal, metal oxide and metal chloride by controlling waste gas generated when treating metal-containing material such as iron scrap and shredder dust at high temperature in an incineration furnace, a heating furnace or a fusio...
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JP2011062644A |
To provide a method for recovering valuable resources from disposed matter capable of recovering efficiently and purely valuable metals such as iron, zinc, copper, and lithium, valuable oxides, or halogen compounds such as salt, and pota...
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JP2011052273A |
To provide a method for removing tin from a tin-containing material, in which tin can easily be removed.The method for removing tin from a tin-containing material includes: a leaching stage where tin is leached from the tin-containing ma...
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JP4639398B2 |
A method for the treatment of a fly ash which comprises a process wherein a slurry of a fly ash is reacted with SO2, to thereby dissolve Ca and Zn in the fly ash into a solution, and these elements are separated from a residue containing...
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