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JP5666156B2 |
To solve the following problems: in Ag dissolved by addition of a deoxidizer thereto, the deoxidizer remains in the Ag, however sometimes the remaining of the deoxidizer can not be allowed upon the production of Ag alloy admixed with a t...
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JP5667111B2 |
Disclosed is a method of recovering gold from an aqueous solution having a gold concentration of 10 mg/L or lower, using a plurality of extraction apparatuses for bringing the aqueous solution into contact with an extraction agent, arran...
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JP5663013B2 |
The present invention provides a noble metal fine particle with a protein adsorbed thereon, including a noble metal fine particle, and a protein adsorbed on a surface of the noble metal fine particle. The protein has an isoelectric point...
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JP5661197B2 |
A process and a plant for treating ore concentrate particles containing valuable metal and having at least arsenic and sulfur containing components. The process comprises a two-stage roasting process comprising a first roasting step and ...
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JP2015007293A |
To provide a method which allows the recovery of gold from an aqueous solution having a gold concentration of 10 mg/L or less by a solvent extraction method.The method for recovering gold from an aqueous solution having a gold concentrat...
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JP5652765B2 |
The present invention provides a metal component collection agent for collecting one or more metal components from a metal component-containing material; the agent containing, as an active ingredient, a compound containing one or more gr...
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JP5644250B2 |
To provide a method for recovering platinum group elements, by which Rh and Ru can be efficiently separated and recovered from a solution containing Rh and Ru through their adsorption to an adsorbent so as to be recycled as materials, wh...
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JP5644251B2 |
To provide a method for recovering platinum group elements, by which Rh and Ru can be efficiently separated and recovered from a solution containing Rh and Ru through their adsorption to an adsorbent so as to be recycled as materials, wh...
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JP2014234550A |
To provide an elution promotion liquid for promoting the elution of noble metals, and a method for recovering noble metals using the elution promotion liquid.The elution promotion liquid is used before waste whose surface is stuck with n...
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JP5636769B2 |
To provide a production method in which the end point of a reaction can be safely and accurately measured and the reaction can be objectively controlled without resort to worker's experience or visual observation, with respect to a produ...
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JP2014224281A |
To abate the recovery cost of a recovery method of platinum group metals and rare earth metals.The provided recovery method of platinum group metals and rare earth metals includes an acid dissolution step (S10) of immersing a treatment t...
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JP5629193B2 |
To provide a method of collecting a platinum group metal efficiently from a catalyst-containing wash coat by a simple treatment.The method for collecting a platinum group metal comprises as follows. A catalyst-containing wash coat is lea...
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JP5629166B2 |
To provide a method for efficiently recovering highly pure Pt from a Pt-containing liquid containing at least Ru, wherein contamination of Ru is extremely reduced in the Pt.The method for recovering Pt from the Pt acidic liquid containin...
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JP5629167B2 |
To provide a method of efficiently recovering Pt from a Pt acidic solution containing an impurity of a heavy metal only by salt separation.The method of recovering Pt in a Pt acidic solution containing a heavy metal as an impurity as a p...
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JP2014529500A |
To recycle a waste electric / electronic device such as a component of a printed wiring board. An apparatus and process for recycling printed wiring boards, in which electronic components, precious metals, and base metals can be collecte...
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JP5623956B2 |
To provide a method of producing a high-purity metal iridium having reliable grindability from an iridium chloride solution.The method of producing the metal iridium from the iridium chloride solution includes: a step of heating the irid...
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JP5617430B2 |
To provide a solid-liquid palladium ion adsorbent which has both extraction performance and selectivity of a liquid-liquid palladium extracting agent in a conventional solvent extraction method and which does not require use of an organi...
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JP2014205626A |
To provide a platinum binder using a peptide or polypeptide having binding capacity to platinum.A peptide comprising amino acid sequence YKRGYK, or a polypeptide comprising the amino acid sequence has platinum binding capacity, and can b...
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JP2014205869A |
To provide a gold ore after a pretreatment, which is suitable for collecting gold therefrom by wet processing, the gold ore before the pretreatment containing iron pyrite.There is provided a gold ore after a pretreatment for collecting g...
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JP2014201808A |
To easily separate and recover mercury and mercury-soluble precious metals from amalgam.An amalgam separator includes: a container body 10 which mounts amalgam 1 in which mercury-soluble precious metals are bonded to mercury; a lid part ...
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JP2014201821A |
To provide a method for recovering precious metals in an industrially usable form.A precious metal recovery method for recovering precious metals as nanoparticles comprises bringing a sample solution in which precious metals are dissolve...
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JP2014198330A |
To provide an adsorbent enabling efficient adsorption and recovery of gold ions and a method for manufacturing the same.(1) The provided gold ion adsorbent is a gold ion adsorbent including at least one polymer in which an ether group an...
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JP5609121B2 |
The present invention provides a means for efficiently recovering a platinum group element by efficiently concentrating it in a molten copper phase obtained from copper-iron scrap containing a platinum group element. It is a method compr...
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JP2014195772A |
To produce an adsorption agent capable of separating and recovering noble metals more efficiently as compared with a conventional one and to provide a method for recovering noble metals from a solution containing noble metals such as gol...
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JP5602361B2 |
To provide a material excellent in an adsorption and elution of a metallic iron and further, durability, and a method for reasonably recovering a platinum group metal by using the material. The metallic iron-recovering material consists ...
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JP2014525906A |
This invention relates to bio synthesis of novel nano gold through environment friendly process with the aid of plant materials classified under the taxonomical genus Dalbergia, Citrus, Ferula and Dolichos or Macrotyloma. The present inv...
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JP2014185366A |
To provide a method and an apparatus for recovering platinum safely, easily and economically with reduced environmental load.A method of recovering platinum comprises applying a voltage between the platinum and a counter electrode 24 in ...
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JP2014181384A |
To provide a noble metal adsorbent capable of separating and recovering noble metals more efficiently than before by using a phenol-based compound which is a component contained abundantly in natural phenol as a raw material and to provi...
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JP2014180644A |
To provide a filter for metal ion adsorption excellent in adsorption property and elution property of metal ions, and shape maintenance properties.There is provided a metal ion adsorption material containing 100 pts.mass of a resin compo...
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JP2014180643A |
To provide a metal ion adsorption material excellent in adsorption property and elution property of metal ions, and having improved swelling properties.There is provided a metal ion adsorption material containing 100 pts.mass of a resin ...
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JP2014176780A |
To provide an adsorbent which exhibits noble metal-adsorption capacity, a production method of the same, and a recovery method of a noble metal.An adsorbent has a graft chain introduced into a base material and a functional group to adso...
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JP2014172838A |
To provide: novel compounds permitting selective efficient extraction of at least one of palladium and platinum; metal extractants containing the novel compounds; and methods of extracting palladium and platinum using the metal extractan...
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JP5591748B2 |
To provide a method for recovering tellurium, which can improve the recovering rate of tellurium, and promote the efficiency of the treatment process as a whole.The method for recovering tellurium includes a leaching step of mixing an al...
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JP5591749B2 |
To provide a treatment method of an alkali leaching residue containing tellurium, which can effectively utilize the alkali leaching residue containing tellurium formed in an alkali leaching step in the refining without repeating to there...
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JP2014167149A |
To provide a method of recovering silver efficiently from a silver kovar material consisting of kovar coated with silver.A method of recovering silver from a silver kovar material consisting of slug and an outer frame by an electrolytic ...
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JP5579357B2 |
An object of the present invention is to provide a process for recovering ruthenium at a sufficient recovery rate from a solid in which a ruthenium compound is supported on a carrier. The present invention relates to a process for recove...
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JP5580326B2 |
The present invention relates to a method, and apparatus for the recovery of precious metals. Accordingly, it provides a continuous process for obtaining a precious metal composition from a feedstock material, the process comprising the ...
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JP2014152337A |
To provide a new precipitation method capable of precipitating metallic silver from an aqueous phase, etc., and a method capable of controlling morphology of metallic silver to be precipitated when the metallic silver is precipitated by ...
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JP5574910B2 |
To provide a method for recovering rare metals, which does not use molten salt, which requires a less energy cost than before, whose impurity content is small, and which has high electrolysis efficiency, and to provide a device for recov...
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JP5573763B2 |
To reduce a load on waste water treatment of waste liquid generated in a process of producing high-purity silver.A method for treating the waste liquid generated in producing high-purity silver includes: a silver leaching step of leachin...
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JP5570335B2 |
To provide a method for recovering niobium with high efficiency from a scrapped electronic board with a niobium capacitor mounted thereon or from a scrapped niobium capacitor.The method for recovering the niobium from the board with the ...
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JP5570334B2 |
To provide a method for recovering tantalum with high efficiency from a scrapped electronic board with a tantalum capacitor mounted thereon or from a scrapped tantalum capacitor.The method for recovering the tantalum, includes: a first h...
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JP5569415B2 |
To provide a method for effectively separating a copper and a rhodium from a raw material containing the copper and the rhodium by decreasing the loss of a noble metal element, especially, the rhodium.In the treating method for separatin...
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JP2014140835A |
To provide separating agents that enable rhodium ions to be selectively separated and recovered from a solution containing a plurality of metal ions, and rhodium ion separating methods.A separating agent in which a functional group repre...
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JP2014518565A |
The present invention is related to a method for manufacturing Ru powder and a target which are frequently used in a seed layer for forming a magnetic layer. When producing Ru powder and a target by using a conventional wet method, it ta...
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JP5560440B2 |
To provide a method for recovering noble metals excellent in an environmental harmonization with which in extracting platinum-group metals, the targeted metal is efficiently melted by using solution having no oxiding power, and the amoun...
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JP2014133227A |
To provide a separating agent and a platinum ion separation method that enable platinum ions to be separated from a solution containing low to high concentration of platinum ions in a short time and with high selectivity.A separating age...
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JP5554285B2 |
A process of leaching gold can be inexpensively and efficiently carried out from a mixture containing sulfur and gold, typically from the material containing sulfur and gold that is an intermediate product recovered by the flotation meth...
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JP5556681B2 |
To provide a method for producing easily dissolvable sponge platinum, in which there is no risk regarding safety, such as risk of hydrogen explosion during operation, which is economically advantageous, and in which sponge platinum is ea...
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JP5556701B2 |
To provide a method of efficiently separating impurity elements such as bismuth, tin and antimony from a solution of platinum group elements at a low cost and obtaining the solution of the platinum group elements with a low concentration...
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