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JP6393951B2 |
To provide metallic silver with high purity formed using a forming material for metallic silver.Provided is metallic silver formed using β-ketocarboxylic acid silver expressed by the following general formula (1), in which, when, from t...
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JP6394503B2 |
To provide a method for extracting a solvent of gold capable of suppressing the reduction in the extraction rate of gold even upon the use of a circulation process of repeatedly using an extraction solvent.There is provided a method of r...
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JP6397946B2 |
Apparatuses and processes for recycling printed wire boards, wherein electronic components, precious metals and base metals may be collected for reuse and recycling. The apparatuses generally include a mechanical solder removal module an...
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JP2018145479A |
To provide a recovery method of platinum group metals capable of recovering platinum group metals with good efficiency without using acid with strong oxidation power, which generates waste fluid difficult to be processed.A platinum group...
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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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JP2018524480A |
Generally, the recovery of precious metals (s) from precious metal-containing materials is described. In some cases, the noble metal (s) can be selectively recovered so that the noble metal (s) is at least partially separated from the no...
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JP6382717B2 |
The present disclosure is directed to a process for recovering a precious metal from a pregnant leach solution using a resin extractant. The precious metal is eluted from the loaded resin using an eluant comprising trithionate. The barre...
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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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JP6376349B2 |
To provide a treatment method where platinum group elements are efficiently concentrated- recovered from the rear liquid or the like extracted with gold in a copper electrolytic slime, and further, from the concentrate of selenium, tellu...
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JP6376660B2 |
An objective of invention is conveniently concentrating a metal in a metal ion-containing solution with high efficiency and to recover the metal from the metal ion-containing solution with high recovery efficiency. A method for concentra...
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JP6375205B2 |
To provide a valuable metal recovery method and a valuable metal recovery system capable of efficiently recovering valuable metals such as gold in waste.Provided is a valuable metal recovery system 1 comprising a vertical mill 20 where m...
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JP6375458B1 |
To monitor the operating status of a metal recovery device and predict the recovery status and recovery time of metal, and when an abnormality occurs in the metal recovery device, a notification to that effect is sent to the recovery com...
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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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JP6369834B2 |
To provide a valuable metal recovery method capable of recovering a high-purity noble metal at low cost by peeling and recovering the noble metal in a solid state, by dissolving a base metal of a noble metal plated article.There is provi...
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JP6368672B2 |
To obtain metallic silver having a high chlorine content from silver chloride, and also, to refine silver at a low cost by repeatedly utilizing thiosulfate.Provided is a method where silver chloride is dissolved in a sodium thiosulfate s...
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JP6366039B2 |
To provide a method for recovering a noble metal improved in dissolubility where, in a method in which a charged solid raw material is rotatively moved to recover a noble metal, by promoting the stirring the raw material present at the l...
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JP6361871B2 |
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JP6357009B2 |
To recover valuable metals contained in waste matter such as city waste incineration ash and sludge at a low cost.A raw material D5 for refining valuable metals is obtained as a solid by extracting a part of the combustion gas from a kil...
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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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JP6351427B2 |
The purpose of the present invention is to provide a novel technology for separating and recovering metal, namely, to provide a convenient, low-cost, and superiorly selective metal recovery method and metal recovery agent. This metal rec...
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JP6340302B2 |
To solve such a problem that as a method for treating waste liquid containing inorganic salt, a method for recovering an acid solution and an alkaline solution from the waste liquid using a bipolar electrodialyzer is known, however when ...
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JP6338296B2 |
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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JP6339497B2 |
The present invention relates to a process for recovery of a precious metal catalyst from an organosilicon product-containing liquid reaction medium containing precious metal catalyst.
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JP6327943B2 |
To recover valuable metals contained in waste, such as municipal waste incineration ash and sludge, at a low cost.In a method for recovering valuable metals from a cement production process having a cooling tower 22 for cooling the whole...
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JP6329939B2 |
Provided is a method for pretreatment of gold ore in order to leach out gold from gold ore containing pyrite, with which it is possible to suppress the generation of sulfide dioxide and to improve the leaching rate of gold. A method for ...
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JP2018076574A |
To provide a method for producing a spherical palladium powder having high conductivity.Iron-reducing bacteria are added to an aqueous solution having pH of 0.5 or lower or 7.0 and containing a palladium ion, together with a reductant un...
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JP6325358B2 |
To provide a method capable of analyzing noble metals enabling quantitative determination to a sample including noble metals such as iridium, ruthenium and rhodium in trace quantity.Provided is a method for separating trace noble metals ...
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JP2018070905A |
To provide an extraction reductant capable of extracting gold ion at high selectivity and reducing the same to gold, and a method for recovering the gold ion as gold, a noble metal solid by extracting the gold ion at high selectivity and...
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JP6320026B2 |
To recover metal easily and continuously in high efficiency from a metal ion-containing solution.A method for recovering a metal from metal ion-containing solution, comprising the following steps (1) and (2); the method for recovering me...
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JP6317964B2 |
To provide a method capable of quickly, easily, selectively, and efficiently recovering palladium and platinum from a solution containing palladium and platinum.In a separation method of palladium and platinum, a solution containing at l...
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JP6302779B2 |
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JP2018044236A |
To provide an inexpensive and safe gold separation method without using a dissolution reaction of gold and a gold separation method capable of separation at a thin film shape.The metal separation method separates gold from a separation o...
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JP2018044200A |
To provide a method of treating a metal-containing hydrochloric acidic liquid that can efficiently recover ruthenium from a metal-containing hydrochloric acidic liquid that contains ruthenium and tellurium.A method of treating a metal-co...
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JP2018035413A |
To provide a method of recovering gold from post-leaching liquid containing the gold.A method for recovering gold includes the step of bringing yeast into contact with a solution containing gold, iron, copper, and halide ions, and recove...
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JP2018035383A |
To provide a valuable article recovering method capable of recovering valuable articles effectively.The valuable article recovering method is for recovering valuable articles from a sludge to a recovery liquid by putting the sludge conta...
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JP2018031042A |
To provide a method for producing a noble metal nanosheet (especially a platinum nanosheet) using graphene as a template.The method for producing a noble metal nanosheet comprises: step A of preparing a solution by dissolving a hydrophil...
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JP2018505956A |
A method for recovering metal valuables from a molten slag composition comprises atomizing an oxygen-containing gas and slag into solid slag granules in a gas micronization apparatus. Oxygen in the micronized gas converts the metal into ...
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JP6284133B2 |
To provide a method of processing an integrated circuit simply and efficiently.A method of processing an integrated circuit includes: heating processing for carbonizing resin by heating an integrated circuit that contains metal including...
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JP6266370B2 |
To provide an apparatus and a method for recovering/treating valuable metals, in each of which recycling of noble metals can be facilitated, deterioration of durability of a first treatment furnace due to superheating can be prevented an...
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JP6264566B2 |
To provide a method where impurities are removed from a solution or a precipitate containing platinum group elements and containing an oil content or tin, thus a solution suitable for refining suitable for the refining of the platinum gr...
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JP2018009246A |
To provide methods of recovery of platinum from coatings containing platinum aluminide (PtAl).The present invention is directed to a method for recovery of platinum from a coating on a component, where the coating includes platinum alumi...
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JP6263422B2 |
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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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JP6252422B2 |
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JP6250365B2 |
To provide a method for concentrating rhodium and ruthenium capable of concentrating rhodium and ruthenium at a low cost and with high efficiency without leaching rhodium and ruthenium.There is provided a method for concentrating rhodium...
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JP6247088B2 |
To provide a simple recovery method of a noble metal capable of efficiently recovering a noble metal from an aqueous solution containing a Sn-containing hydrochloric acid acidic recovery liquid of a noble metal catalyst.A noble metal is ...
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JP2017205745A |
To provide a palladium solid phase extraction material high in selectivity to palladium and a manufacturing method therefor, and a solid phase extraction process for separating and recovering palladium and platinum.There are provided a n...
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JP6236311B2 |
To provide a simple recovery method of a noble metal capable of efficiently recovering a noble metal from an aqueous solution containing a Sn-containing hydrochloric acid acidic recovery liquid of a noble metal catalyst.A noble metal is ...
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JP6229847B2 |
To provide a recovery method having an enhanced recovery ratio of selenium, rhodium, and ruthenium while suppressing reduction of tellurium.In a recovery method of platinum group elements and selenium where selenium scum is precipitated ...
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