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JP6592088B2 |
Lead from lead acid battery scrap is recovered in two separate production streams as clean grid lead and as high-purity lead without smelting. In preferred aspects, lead recovery is performed in a continuous process that uses an aqueous ...
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JP6573115B2 |
To provide useful new compounds, particularly a compound that can be used as an extractant for extracting a valuable metal, such as a rare metal and a noble metal, or a toxic metal having high toxicity.A compound represented by the gener...
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JP6550582B1 |
The method for producing lead is a method for producing lead using lead paste having or not having grid leads or galena ore as a raw material, and acetic acid, chloride, nitrate, citrate or salts thereof in an aqueous solution. Contact w...
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JP6547963B2 |
To provide a metal ion adsorption material capable of eliminating and recovering metal ions from the adsorption material at high efficiency to heavy metal ions in a non-polar organic liquid, and in which the repeated adsorption recovery ...
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JP6516264B2 |
To provide a copper refining slag treatment method suitable for recovering valuable metal from copper refining slag with high efficiency, and a copper refining slag treatment method suitable for removing a harmful substance from the copp...
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JP2019512606A |
A method of reusing glass from a screen derived from the waste of a cathode ray tube television set by quantitative recovery of lead in metallic form is described. [Selection diagram] None
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JP6513826B2 |
Provided are a method and an arrangement for operating a metallurgical furnace. The method comprises a feeding step, and a temperature controlling step for controlling the temperature of a molten metal layer and a slag layer in a furnace...
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JP6511503B1 |
To provide a method for treating waste containing harmful organic halides and heavy metals, which can suppress flue obstruction. This is a method of treating an object to be treated including an object to be treated containing an organic...
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JP6488312B2 |
The present invention relates to a process for the selective and ecoefficient recovery of lead and silver jointly as a concentrate product from hydrometallurgical residues.
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JP6474811B2 |
A process of treating a solid material containing lead and elemental sulphur, by feeding the solid material to a furnace containing a bath of molten slag under conditions such that elemental sulphur burns in the furnace to form sulphur d...
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JP6452790B2 |
To provide a method for recovering low melting point alloy in which a low melting point alloy is recovered from a mixture (mixed liquid) of a metal microbody and a low melting point alloy to utilize.Provided is a method for separating, f...
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JP6391046B2 |
To provide a metal smelting raw material recovery apparatus and method which can efficiently recover metal smelting raw materials of precious metals and valuable metals from incineration ash obtained by incinerating waste.An apparatus fo...
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JP6379179B2 |
The invention relates to a method for concentrating metals, in particular silver and/or tin and/or lead from scrap containing metal, by treating the material/scrap containing silver and/or tin and/or lead with a sulfonic acid of the form...
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JP6373257B2 |
Provided are a cleaning device and cleaning method capable of reducing the amount of fluorine in dust containing fluorine in a high concentration of 2% or more, while preventing useful metal from being extracted therefrom. A mixing/clean...
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JP6374267B2 |
To provide a treating method for radioactive cesium-contaminated objects that serves to raise the volume reduction rate of substances containing radioactive cesium and at the same time to obtain radiation shielding materials.Radioactive ...
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JP2018123356A |
To provide a metal recovery method where, without requiring complicated machines such as a vibration device, the separation of electronic components can be easily performed from a printed circuit board, and further, the electronic compon...
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JP2018123357A |
To provide a method for collecting metal, capable of efficiently collecting higher purity metal from a noble metal plated product.The method for collecting metal, capable of collecting metal from a noble metal plated product having a bas...
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JP6363733B2 |
Provided is a method for directly recovering lead oxide used for a lead-acid battery negative electrode from waste lead paste. The method comprises: (1) contacting waste lead paste with a barium-containing desulphurizer under desulphuriz...
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JP6361871B2 |
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JP6356137B2 |
In an example of a method for recovering lead from a mixed oxidized lead material, methane sulfonic acid is selected as a leaching acid for the mixed oxidized lead material. The mixed oxidized lead material is exposed to a solution inclu...
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JP6357123B2 |
The present invention provides a method for recovering a metal, capable of reducing the amount of a chelating agent to be used. The method for recovering a metal of the present invention includes a complex forming step of forming, in a m...
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JP6328446B2 |
To provide a technology which comparatively easily reduces a generation amount of sediment while magnesium is dissolved in an aqueous solution, in a step of removing cadmium and lead from the aqueous solution when the aqueous solution is...
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JP6307180B2 |
To provide a method for recovering lead from lead-containing glass capable of easily recovering lead without heating a lead-containing glass in an optical lens, a cathode-ray tube or the like and without exhausting the vapor of lead oxid...
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JP6258086B2 |
To provide a treatment device that removes chloride, at a low cost and a high level, from radioactive contaminated water comprising radioactive material and chloride.The treatment device comprises lead addition means 2 for adding a lead ...
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JP2017222913A |
To provide a process for recovering lead from an inclusion of lead and halogen.The process for recovering lead from an inclusion of lead and halogen comprises: a first step S2 in which a solution 14 containing a first halogen salt is add...
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JP2017535670A |
To provide a method for recovering tin-lead solder from scrap of an electronic printed circuit board and an apparatus for executing the method. A method for recovering tin-lead solder from electronic printed circuit board scrap and an ap...
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JP2017189775A |
To provide a municipal refuse treatment system by which the fly ash of a municipal refuse incinerator and a melting furnace is perfectly reutilized.In a municipal refuse treatment system 1 which comprises an incinerator 2 incinerating mu...
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JP6182096B2 |
A method for removing a metal contained in an organic-solvent solution thereof, the method comprising dissolving a polymer in the metal-containing organic-solvent solution to form a composite of the metal with the polymer and separating ...
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JP6173595B2 |
Lead from lead acid battery scrap is recovered in two separate production streams as clean grid lead and as high-purity lead without smelting. In preferred aspects, lead recovery is performed in a continuous process that uses an aqueous ...
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JP6150182B2 |
The invention provides a method and device of separating lead from lead glass, which does not employ ethyl alcohol or acid in abstraction and separation, and can perform processing under the low temperatures lower than the melting temper...
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JP6134251B2 |
A process for stabilizing a sulfate and/or sulfide-rich waste material (comprising metal sulfide minerals) and sequestering CO 2 comprises exposing the material to a CO 2 -enriched gas mixture, reacting the CO 2 -enriche gas mixture with...
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JP6121359B2 |
The present invention provides a method for leaching a metal oxide, reducing an amount of a reducer which is required to be added or removing addition of the reducer while leaching target metal, thereby effectively reducing costs. The pr...
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JP2017066464A |
To provide a method for effectively separating silver and lead from a mineral slurry such as copper removal slime containing silver selenide and lead sulfide by an ore floatation.There is provided a floatation separation method of silver...
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JP6108376B2 |
To provide an extraction method of lead ions and an extracting agent of lead ions capable of selectively and efficiently extracting and separating lead ions.An extract phase containing diglycolamide acid to be expressed by a general form...
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JP6088250B2 |
To provide a method of recovering lead from a lead-containing glass, the method not requiring heating of the lead-containing glass such as an optical lens and a cathode ray tube containing lead to high temperature and enabling lead to be...
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JP6047132B2 |
Processes for recycling printed wire boards using environmentally-friendly compositions, wherein electronic components, precious metals and base metals may be collected for reuse and recycling.
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JP5979712B2 |
The present invention is one capable of collecting the metal dissolving in a solution, wherein graft chains of a glycidylalkyl(meth)acrylate represented by the following general formula (1) are formed in the polymer substrate and the gra...
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JP5926380B2 |
Lead and/or Indium cam be recovered from cullet containing indium and/or lead, such as cullet from CRTs and flat panel displays. A chloride salt melt including AlCl3 is used to dissolve the cullet. The melt may be electrolyzed and the le...
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JP5909189B2 |
Methods and apparatus for condensing vapour phase compounds or elements, typically metals such as magnesium, obtained by reduction processes.
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JP5905191B2 |
To provide an ore flotation method in which recovered ore floats always has a high content and a high recovery rate of a substance to be recovered and which can perform efficient treatment with a small number of flotation tanks even when...
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JP5862305B2 |
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...
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JP5843289B2 |
To provide a method for processing a printed circuit board easily and efficiently.There is provided a method for processing a printed circuit board in which electronic members each containing metals and resins are solder-welded onto a su...
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JP5813506B2 |
The method involves melting a metallic element comprising a feeder material e.g. aluminum, which is heated by a burner (4). The burner is set to a reduction period in a reduction operation state when a change of exhaust gas temperature i...
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JP5792284B2 |
Processes for recycling printed wire boards using environmentally-friendly compositions, wherein electronic components, precious metals and base metals may be collected for reuse and recycling.
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JP5786021B2 |
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...
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JP5770984B2 |
Disclosed is a rotary kiln provided with a rotary furnace in which an object to be treated containing a metal is burnt, an electric furnace which is connected to the rotary furnace via a connecting portion and which separates the metal f...
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JP5757529B2 |
Urban ore is a mixture of a lot of metallic elements, and these metallic elements need to be separately collected therefrom. However, because the content of each metallic element is very small, it has been extremely difficult to selectiv...
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JP5752383B2 |
To provide an apparatus and method for separation of smelting dust, capable of improving a rate of recovery of impurities from the smelting dust.A smelting dust separation apparatus includes: a separation tank where a slurry obtained by ...
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JP5722122B2 |
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...
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JP5690409B2 |
A method for recycling noble metals from electronic waste materials and apparatus thereof. The method comprises the following steps: mechanically breaking up the electronic waste materials; removing rubber and plastic materials by electr...
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