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JP5399510B2 |
A high purity platinum recovery method including the steps of dissolving a platinum alloy containing ruthenium in aqua regia and eliminating residue, thereafter causing acid with platinum dissolved therein and an ammonium chloride soluti...
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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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JP2014012874A |
To provide an economical method for efficiently recovering a noble metal with high purity by preventing degradation of a desorption component in a noble metal ion desorbent, capable of repeatedly utilizing the desorbent after recovering ...
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JP2014501850A |
The present invention is related to the mining industry and treatment of mineral and materials that contain gold and silver. Specifically, it is related to a process to recover gold and silver, from copper thiosulfate solutions with a au...
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JP5387228B2 |
To provide a method of efficiently removing dissolved palladium from a solution after an organometallic reaction using a palladium catalyst. The solution after the organometallic reaction using the palladium catalyst is brought into cont...
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JP5381473B2 |
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JP5383233B2 |
Process for removing ruthenium by distilling ruthenium tetroxide from ruthenate-containing solutions, comprises: (a) treating the ruthenate-containing solution with an oxidizing agent; (b) distilling off the formed ruthenium tetroxide; a...
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JP5376642B2 |
To provide a method for producing Au-Ag-Cu recycle sludge having a value as valuables from cyanide washing water derived from Au-Ag-Cu plating by the existing device and a simple operation in a plating factory. An area in which a plurali...
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JP5374041B2 |
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JP5376437B2 |
Recovery (M1) of ruthenium from materials containing ruthenium or ruthenium oxides or from ruthenium-containing noble metal ore concentrates involves introducing the material into an alkali hydroxide melt in the presence of nitrate as ox...
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JP5376558B2 |
To provide a method for efficiently recovering a noble metal without using acid having high oxidizing power. This invention relates to the method for recovering the noble metal from a base material containing the noble metal. The method ...
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JP5367648B2 |
To provide a noble metal adsorbent which uses magnetite in slag produced in copper smelting as a raw material, and to provide a method for producing the same.The method for producing the noble metal adsorbent includes providing slag prod...
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JP5351747B2 |
To provide a method for recovering gold with high purity, by using a reducing agent which demonstrates sufficient reduction efficiency under the condition of room-temperature and restrains the reduction of tin-ion. In the method for shif...
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JP5355977B2 |
To provide a method for concentrating a platinum group element, rhenium and arsenic in a substance to be treated which contains the platinum group element, rhenium and arsenic respectively, and separating each element from the others. Th...
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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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JP5354305B2 |
A method for recovering gold, which comprises a first step wherein a gold layer (12) of a composite material (10), wherein the gold layer is formed on a copper plate (11), is converted into an Au-Zn-Cu alloy layer (12a) containing zinc b...
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JP5344607B2 |
To provide a solid-liquid type palladium ion adsorbent requiring no organic solvent, and a method for selectively separating and recovering palladium. A compound having an amide-containing sulfur functional group represented by formula (...
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JP5344493B2 |
The present invention provides a composition for collecting a metal component from a metal component-containing material, the composition containing a compound containing at least one element selected from the group consisting of lanthan...
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JP5344313B2 |
To provide a method for recovering metal iridium from a chloride solution of iridium.Concerning the method for recovering metal iridium from the chloride solution of iridium, this fire reduction method of iridium includes; a recovery pro...
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JP5344430B2 |
To provide a new rare metal extractant which can extract rare metals, in particularly palladium, with high efficiency. The rare metal extractant contains a cyclic phenol sulfide derivative expressed by general formula (1), wherein R1, R2...
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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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JP5339067B2 |
To provide a method for selectively separating ruthenium after separating platinum from hydrochloride acidic solution containing the platinum group. Disclosed is the method for separating the ruthenium, in which after removing the platin...
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JP5339068B2 |
To provide a method for selectively separating ruthenium after separating platinum from hydrochloride acidic solution containing the platinum group. Disclosed is a method for refining the ruthenium, in which a process for precipitating r...
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JP5339302B2 |
A metal storage material, containing a perovskite-type composite oxide of formula (1), which is a material to stores a metal component of a metal-containing material: ABHaO3-bFormula (1) in which A is at least one selected from lanthanoi...
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JP2013227608A |
To provide such a method that is high in selectivity and recovery efficiency of noble metal and can reuse substance used for recovering noble metal.A mixed solution of polar organic solvent and water is prepared, which contains pH respon...
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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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JP5327420B2 |
To provide a method where platinum precipitates are produced from a platinum-containing solution using platinum-containing scrap and a platinum-containing material in noble metal refining as raw materials, so as to recover platinum, by w...
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JP2013221173A |
To provide a method for separating and recovering noble metals from a spark plug having a complicated constitution by a simple method.A method for separating and recovering noble metals from a spark plug is characterized in that, in a me...
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JP5319718B2 |
Disclosed is a method of leaching copper and gold from sulfide ores, which includes Process (1) of bringing a first aqueous acidic solution which contains chlorine ion, copper ion and iron ion, but no bromine ion, into contact with sulfi...
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JP5317273B2 |
To provide an extracting agent for highly selectively recovering a noble metal, such as gold, palladium, platinum, especially gold, contained in the waste electronic materials or the waste electronic device, and the extracting agent for ...
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JP5317094B2 |
To provide a recovery method for efficiently recovering a noble metal from a noble metal-containing base material without using acid having high oxidizing power. The recovery method includes: a stage S10 where the noble metal and a recov...
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JP5315103B2 |
To provide a method where, from a ruthenium-containing material including impurities such as silicon dioxide, lead silicate and aluminum oxide at high concentrations, the impurities are removed, and ruthenium is concentrated. In the meth...
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JP2013204116A |
To provide a method for recovering metal dissolved in a strong acid aqueous solution layer.A separation recovering method for metal includes a step in which a strong acid aqueous solution in which metal is dissolved and a fluorous metal ...
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JP5299962B2 |
Provided is a novel extractant for palladium capable of improving an extraction rate compared to the conventional extractant, DHS, and also capable of back-extracting palladium using an ammonia solution, and a method of separating and re...
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JP5291968B2 |
To provide a method for recovering a high purity ruthenium from a low concentrated ruthenium-contained material containing many elements except the ruthenium. This method for recovering the high purity ruthenium is performed through the ...
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JP2013181181A |
To enable recovering of gold with high quality from a sample including gold used for various parts.A method for recovering gold from a sample including gold and metal other than gold includes a first separation step of causing the sample...
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JP5284970B2 |
The application relates to a method for treating waste containing precious metals, said method comprising the following successive steps: the waste is brought into contact with a composition based on molten lead; the mixture obtained is ...
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JP5283783B2 |
Disclosed is a method and apparatus for recovering rare metal, which separates and collects rare metals by making use of chemical actions in an efficient combination of adsorption and separation, thereby reducing work load and improving ...
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JP2013166996A |
To provide a palladium extractant having a high selectivity and extraction rate of palladium and capable of being back-extracted with ammonia, and to provide a separation method of palladium using the same.A palladium extractant is compo...
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JP2013163868A |
To provide a leaching method of copper and gold from a sulfide ore, in which the separation efficiency of copper and gold can be improved.A method for leaching copper and gold in a sulphide mineral includes: a process 1 for leaching a co...
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JP5268398B2 |
To provide a treatment method of precious metal scraps for easily recycling precious metal, preventing deterioration of durability due to overheating in a first combustion furnace, and preventing the risk of the occurrence of dioxin and ...
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JP2013159821A |
To provide a method for selectively separating and recovering palladium from palladium-containing selenium powder.Palladium-containing selenium powder is dissolved at a liquid temperature of 55°C or lower by adding hydrochloric acid and...
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JP5263483B2 |
To provide a method for economically and efficiently recovering a noble metal from waste material, etc., containing the noble metal. In the method for recovering the noble metal, with which the noble metal-containing material is heated a...
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JP5265112B2 |
Cermet material obtained from unused inert anodes, used inert anodes and cermet used in the production of inert anodes is beneficiated into a nonferrous metal concentrate composition from which metal values contained in the composition m...
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JP2013151740A |
To provide a method for effectively recovering platinum from gas engine components.A method for recovering high purity platinum efficiently in a short time in recovering platinum used in gas turbine components of an aircraft includes the...
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JP2013147685A |
To provide a method of efficiently recovering gold contained in metal sulfide ores at low cost, and a method of producing gold from a recovered gold solution.A recovery method includes a step of heating/leaching gold from a base metal su...
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JP5251786B2 |
To provide a solid-liquid type platinum group metal adsorbent having both of the extraction properties and selectively of a liquid-liquid platinum group metal extractant in a conventional solvent extraction method and dispensing with the...
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JP5250683B2 |
To provide a method of recovering tin or silver of high purity efficiently and economically at high yield from Pb-free waste solder.The recovering method includes (1) a step of manufacturing an anode from Pb-free waste solder containing ...
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JP5237120B2 |
The invention relates to a method for recovering gold in connection with the hydrometallurgical production of copper from a waste or intermediate product containing sulphur and iron that is generated in the leaching of the copper raw mat...
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JP2013136035A |
To provide an adsorbent which has excellent selective gold adsorption capacity, enables filling in a column and dispersion to a solution and can be easily separated from the solution, and a gold recovery method using the adsorbent.An ABC...
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