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JP5548641B2 |
To provide a material having excellent metal ion adsorptive properties and elution properties and also excellent durability, and a composition used for the same.The composition contains an amine-based polymer (A) having 10-35 primary ami...
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JP5553301B2 |
A method for the individualization of a metallic material by means of a carbon-containing basic material of organic origin is proposed. The novel method makes it possible to produce individualized ornamental alloys and individualized sym...
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JP5542378B2 |
To solve problems, e.g., that, in the case, from a member containing a stainless steel to which platinum is stuck to the surface, the platinum is recovered, the corrosion (dissolution) in the surface of the member containing the stainles...
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JP5539777B2 |
To provide a method for treating a reducing slag, which ensures a high leaching rate of a tellurium into a leaching solution.This method includes: a first leaching process, in which the reducing slag containing selenium, tellurium, ruthe...
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JP5539775B2 |
To provide a method for refining a solution containing Rh (rhodium), in which the Rh-loss on the way of refining can be decreased as much as possible and Rh can be easily collected in a short time.The method for refining the solution con...
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JP5540548B2 |
To recover catalytic metals without performing a process of incineration of generating environmental pollution gases from fuel cell elements containing the catalytic metals and a fluororesin. The method for recovering the catalytic metal...
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JP5534631B2 |
A method of recovering metal values from an ion exchange resin to which a metal species is bound comprising contacting the reaction product stream with a basic ion exchange resin such that at least a part of the metal becomes bound to th...
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JP2014118585A |
To provide a method for separating and recovering, on an occasion for separating and recovering ruthenium from an aqueous alkali solution including ruthenium, the method being economically in a high recovery ratio based on a simple opera...
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JP2014111829A |
To provide a novel adsorbent that selectively adsorbs gold ions and has excellent handleability and a gold ion adsorption module using the same.The gold ion adsorption material has a degree of swelling of less than 200 mass% when it is i...
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JP5526282B2 |
The present invention relates to a method for preparing fine ruthenium powder having higher purity from a waste ruthenium target, wherein the object of the method is to overcome the disadvantages of using conventional wet preparation met...
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JP2014109064A |
To provide a metal recovery method which can recover metals efficiently by an inexpensive and simple method.The metal recovery method uses a carboxylic acid ester of polysaccharide as a metal capture agent, which captures metals which di...
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JP5518514B2 |
To provide a metal extractant which can selectively extract palladium and zirconium, and methods for extracting palladium and zirconium using the metal extractant. The metal extractant comprises an annular sulfide derivative expressed by...
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JP2014105346A |
To provide a method for recovering a valuable metal, which is capable of reducing the number of processes as compared with a conventional method and achieving reduction in energy consumption and waste, and to provide a system for recover...
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JP5509834B2 |
To provide a method for treating a recyclable raw material capable of efficiently performing melting treatment on recyclable raw materials of low bulk specific gravity such as flexible substrate, photographic film, film for movies, and p...
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JP5512640B2 |
To provide a method of efficiently recovering silver of high purity from a silver solution of low concentration by a simple device.The method of recovering silver includes: extracting silver in a solvent from an acid aqueous solution who...
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JP5513854B2 |
To achieve establishment of a method for efficiently separating Pt and Ru from raw material containing Pt and Ru, the establishment being urgently needed since the amount of generation of the raw material containing Pt and Ru is anticipa...
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JP5502678B2 |
To provide a material which has excellent metal ion adsorbability, elution property and durability as well, and to provide a composition which can be used therefor.The composition comprises: polyethylene imine (A) by 15 to 40 mass%; and ...
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JP5502679B2 |
To provide a material which has excellent metal ion adsorption property and elution property, and further has excellent durability, and to provide a composition which is usable therefor.The composition comprises: an amine based polymer (...
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JP5502178B2 |
A method for efficiently collecting high-purity silver from an acidic aqueous solution containing silver and at least one of iron and zinc with a simple device is provided. The method for collecting silver includes separating silver and ...
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JP5498686B2 |
A recovering method is provided, which includes contacting a solid component containing Ru with an aqueous solution to create a Ru compound, and causing the Ru compound to selectively elute in the aqueous solution. The aqueous solution i...
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JP5497219B1 |
To recover valuable metals contained in waste, e.g. municipal refuse incineration ash or sludge, at low costs.Dust containing valuable metals is recovered in a cement production process using a cooling tower 3 which cools the whole of a ...
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JP5498040B2 |
To provide a method for efficiently recovering high purity ruthenium from low concentrated ruthenium containing impurity elements such as niobium, molybdenum tungsten. The method includes: an alkali-fusing process, in which the ruthenium...
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JP2014511943A |
The invention relates to the provision of noble metal-containing mixtures for a process for processing them by heating the mixture, preferably for processing them by means of an ashing process. This provision is characterized by the foll...
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JP5486535B2 |
To provide a material having excellent metal ion adsorptive properties and elution properties and also excellent durability, and a composition used for the same.The composition contains an amine-based polymer (A) having 10-35 primary ami...
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JP2014077162A |
To provide a platinum group metal recovery member capable of effectively recovering a platinum group metal from a nitric acid aqueous solution under presence of a high level radioactive waste liquid, using a simple operation.A recovery m...
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JP5479627B2 |
Planar sputtering target with an area of greater than 0.3 m 2> or tubular sputtering target with a length of at least 1 m, comprises a silver-based alloy with 0.01-5 wt.% at least one further alloy component comprising indium, tin, antim...
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JP5472722B2 |
The present invention is to provide a novel rare metal extractant containing a cyclic phenol sulfide derivative of the formula (1) and a method for extractive separation of rare metal(s) using the rare metal extractant with high efficiency.
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JP5467133B2 |
Provided is a method for recovering gold with which it is possible to increase the amount of gold adsorbed by activated carbon. This method for recovering gold comprises: a step for obtaining a gold leachate by using an acidic leaching s...
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JP2014507564A |
This invention relates to a process in which a Platinum Group Metal (PGM)-rich residue from a BMR (Base Metals Refinery) process is subjected to a high temperature roast to remove contaminants, typically volatile elements (for example Se...
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JP5454461B2 |
To provide a method by which, when valuable metals are recovered from a leachate obtained by chlorine leaching of copper electrolysis slime having a high arsenic concentration, an extraction residual liquid after extraction separation of...
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JP2014051737A |
To provide a method by which a minute amount of a noble metal included in cyanogen-containing waste liquor, in particular plating waste liquor can be effectively recovered, and to provide a method for effectively treating the cyanogen-co...
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JP5447824B2 |
To provide a method for purifying a rhodium-containing solution, which has a good purification effect, and a high recovery rate of rhodium; and to provide a method for producing a rhodium nitrite salt containing only a small amount of im...
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JP5447357B2 |
To provide a chlorine-leaching method of copper electrolytic slime capable of suppressing leaching of antimony by controlling a chloride concentration in the range of about 85-130 g/L when performing chlorine-leaching of copper electroly...
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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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JP5441506B2 |
To increase recovery efficiency of noble metals by selectively separating noble metals from dental material-polished powder, and concentrating the noble metals in the refining raw material to increase the grade thereof. A method for conc...
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JP5440137B2 |
To provide a method in which palladium can selectively be separated from chloride solution containing arsenic and the palladium at a low cost, and even in the case that the arsenic concentration varies, the palladium can stably and effic...
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JP2014505788A |
The present invention is related to the mining and mineral or materials treatment industries that deal with gold and silver. Specifically, it is related to the process to recover gold and silver from thiosulfate or thiourea solutions, wi...
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JP5432978B2 |
To provide an apparatus for recovering ruthenium with high efficiency which enables a simple process and high safety, and a method for recovering ruthenium using the same.The apparatus for recovering ruthenium with high efficiency compri...
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JP5426129B2 |
To solve the problem that a recovered Ru of low Pb concentration has not been obtained from a high Pb-containing Ru raw material in high yield. The method includes: an alkali-fusing process, in which the ruthenium-containing raw material...
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JP5429740B2 |
Disclosed is a method for recovery of a metal using plants. The method for recovery of a metal involves bringing a protonema of a moss plant belonging to the family Funariaceae into contact with a metal-containing solution in which a met...
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JP5429522B2 |
To provide an extraction agent for selectively extracting a metal ion from an aqueous solution containing the metal ion, and to provide an extraction method. The extraction agent for highly selectively extracting the metal ion contains a...
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JP5424809B2 |
To provide a method for collecting a precious metal, which shows adequate selectivity and collection efficiency to the precious metal, and can recycle a material which has been used for collecting the precious metal. The method for colle...
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JP5424297B2 |
To provide a method for recovering a noble metal with which the noble metal can be recovered without using a complicated chemical treatment and a large quantity of chemical drag; to provide a method for producing a functional material ca...
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JP5424205B2 |
To provide a new phenolic hydroxy group-containing polymer useful for recovering various noble metals. A metal adsorbent is a tyramine polymer (polytyramine) being a polymer containing a phenolic hydroxy group and is obtained by polymeri...
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JP5423230B2 |
To provide a method where, while suppressing the generation of coarsened powder out of specification, a high quality rhodium powder is recovered from a sparingly soluble residue containing a platinum group element(s). The method includes...
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JP5413564B2 |
To provide a method of easily and efficiently separating copper and rhodium from a solution or a solid mixture in which rhodium and a large quantity of copper are coexistent. The method of separating rhodium and copper is characterized i...
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JP5413588B2 |
To provide a reduction method facilitating reduction treatment and having high recovery rate of a metallic rhodium. A rhodium reduction method is characterized in that rhodium black is generated by adding hydrazine into rhodium nitrite s...
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JP5408993B2 |
To develop a new technique for efficiently recovering a high purity target material in a simple and inexpensive method since a used spattering target containing platinum group elements for forming a thin film material is generated in lar...
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JP5408412B2 |
To provide a method of easily recovering platinum metal having only little impurities by a simple treatment operation without using a special chemical agent. The method of recovering the platinum includes: precipitating ammonium chloropl...
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JP5405768B2 |
To provide a method for effectively recovering valuable components from nickel-copper mats containing noble metals by utilizing existing copper refining facilities without using special facilities. In the method for recovering the valuab...
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