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JP2011255317A |
To provide a method for separating iridium, allowing economical separation and collection of iridium from refractories containing iridium.This method is a method for separating and collecting iridium from the refractories containing irid...
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JP4842426B2 |
A method for producing a silver having high purity from a raw material of low grade, characterized in that it comprises dissolving the raw material with a nitric acid solution, adding hydrochloric acid to the resulting mixture to give si...
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JP4837165B2 |
Methods and apparatus for the interseparation of platinum group metals (PGMs) are disclosed, in particular it relates to methods and apparatus for the interseparation of one or more of iridium, rhodium and platinum from their chlorocompl...
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JP4827146B2 |
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JP4819395B2 |
Dental prostheses are machined from a metallic body instead of being made by lost wax casting. Suitable gold base alloys have only base metal alloying additions which are more readily oxidized than gold and when combined with the gold ca...
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JP4821486B2 |
To provide a refining method which efficiently and selectively separates tin from a tin-containing raw material of platinum through a wet process to produce high-purity platinum. This refining method comprises the steps of: (1) subjectin...
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JP2011235236A |
To provide a metal adsorbent which can efficiently adsorb and recover a metal such as rare metal or deleterious metal, as well as a method for manufacturing the metal adsorbent and a method for adsorbing a metal with the help of the meta...
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JP2011231378A |
To provide an industrial separation method for platinum group elements by which can two or more kinds of platinum group elements can be easily extracted from a platinum group-containing material containing the platinum group elements, an...
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JP2011231366A |
To provide a valuable metal recovery method that has excellent valuable metal selectivity and recovery efficiency, and furthermore is capable of reusing materials that have been used in the recovery of a valuable metal.The valuable metal...
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JP2011224565A |
To recover metals such as nickel and cobalt at low cost that enters a soil by mining, smelting, manufacturing, or the like.The invention relates to growing a kind of metal-hyperaccumulating plants, and recovering the metals in the soil b...
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JP2011214128A |
To provide a device which feeds seawater by efficiently utilizing waves, and can extract gold and rare metal by the buoyancy of oil.Seawater pushed up by waves to a disk 3 floated on a tube in seawater, drops to the lower part from a wat...
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JP2011208248A |
To provide a method for separating a platinum group element in which a solvent extraction effect of the platinum group element is heightened when the platinum group element is separated from a platinum group element-including solution by...
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JP2011208249A |
To provide a method for separating a platinum group element in which a separation effect of the platinum group element by ion exchange is heightened when the platinum group element is separated from a platinum group element-including sol...
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JP2011195935A |
To provide a method for economically separating and recovering the whole kinds of platinum group elements as enriched material in high yield from the platinum group element-containing solution coexisting low-concentrated platinum group e...
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JP4789001B2 |
To provide a method for efficiently separating ruthenium and tantalum from raw materials containing a ruthenium-tantalum alloy. In the method for recovering ruthenium and tantalum from the ruthenium-tantalum alloy, a ruthenium-tantalum a...
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JP4788998B2 |
To provide a method for economically and efficiently collecting gold from etching waste with a simple operation. The method for collecting gold from the etching waste comprises the steps of: adding a sulfite solution to a waste liquid of...
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JP2011184764A |
To provide a method for treating waste catalysts in which platinum group metals are recovered from waste catalysts such as automotive catalysts and the aluminum content and magnesium content included in waste catalysts are separated as f...
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JP2011183376A |
To provide a method for efficiently adsorbing metals such as rare metals and harmful metals and recovering the adsorbed metals.Metals such as rare metals and harmful metals are adsorbed by using a hydrogel, which is obtained by cross-lin...
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JP2011184763A |
To provide a method for treating waste catalysts in which platinum group metals are recovered from waste catalysts such as automotive catalysts and the aluminum content and magnesium content included in waste catalysts are separated as f...
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JP2011184784A |
To provide a method for recycling silver-plated copper or copper alloy scrap, in which silver is stripped safely and efficiently from wholly or partially silver-plated copper or copper alloy scrap, the stripped silver is recovered and th...
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JP4771196B2 |
To provide a method for treating waste oil and waste oil sludge containing palladium and discharged as industrial wastes from various industries and producing a noble metal material, and particularly, a method for treating the waste oil ...
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JP4765062B2 |
To provide a wet treatment method for zinc leaching residue by which the amount of copper source substance to be added required for reducing the grade of rare metal such as indium in a solid content mainly including copper and arsenic as...
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JP4762670B2 |
In a method for recycling a double component developer that contains a carrier and a toner used for an image forming device such as office automation equipment, an economic value of recycling is increased, thereby allowing a company to c...
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JP4754488B2 |
The invention concerns a process for the spheroidisation, densification and purification of powders through the combined action of plasma processing, and ultra-sound treatment of the plasma-processed powder. The ultra-sound treatment all...
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JP4738572B2 |
Precious metal-containing concentrates are subjected to high temperature chlorination using HCl gas, an optional reduction and treatment with chlorine gas, an oxidation and finally a reduction, to remove most of the base metals especiall...
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JP2011140675A |
To provide a method for easily and selectively collecting silver and palladium contained in the nitric acid solution in which burned ash of the waste is dissolved when collecting precious metals out of the waste of containers, instrument...
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JP4726496B2 |
To provide a new method for separating and recovering noble metals where, from a material comprising a plurality of noble metals and base metals, each noble metal can be efficiently separated in a pure state by a simple operation using a...
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JP4723629B2 |
The present invention provides a method of recovering silver safely and efficiently from a chloride or bromide bath containing various metals. Specifically, a method of recovering silver from a hydrochloric acid solution containing alkal...
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JP2011132603A |
To provide a method for separating a composite material, which can recover a metal that is a separated component material, in a state of being capable of being recycled, and to provide a recovered metal.This recovered metal is a metal th...
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JP4715627B2 |
To provide a method by which, in a method for recovering a platinum group element by a roasting-(acid leaching) process from an ion exchange resin on which the platinum group element is adsorbed, the adsorbed platinum group element can b...
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JP4715621B2 |
To provide a method for surely separating lead from ammonium hexachloroiridate (IV) containing lead regardless of a contained form of lead, and consequently collecting iridium at a high yield. This refining method comprises the following...
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JP4715598B2 |
To provide a method where a soluble element(s) as chloride is dissolved away from lead electrolytic slime, and further, silver is converted into silver chloride at high efficiency, so as to be separated, thus chlorinated precipitates sui...
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JP4716398B2 |
Process for recovering valuable metals from super alloys comprises using an electrochemical treatment in which the electrolysis stream is subjected to a frequency of 0.005-5 Hz. Preferred Features: The super alloy contains cobalt (Co...
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JP2011125840A |
To provide a novel separation reagent which can achieve a high extraction rate of rhodium, a method for separation/collection of a platinum group metal using the same, and also an amide-containing tertiary amine compound relating to extr...
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JP2011121053A |
To provide a method for recycling an LCD component.An LCD is at least partially used as a substitute for other raw materials. In general, the LCD is heat-treated in a temperature range of 900 to 1,700°C. A used LCD and a manufacturing d...
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JP4702091B2 |
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JP4700815B2 |
To provide a method for recovering platinum group metals from a waste electrode in which a covering layer is peeled and separated from a used insoluble metallic electrode by a simple means, impurities are thereafter almost removed from t...
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JP2011105969A |
To provide a method for easily leaching a silver from a sulfide containing copper consisting essentially of chalcopyrite, at a low cost without needing a special consideration with respect to the safety environment.Slurry comprising sulf...
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JP4693123B2 |
To provide an adsorbent for easily, efficiently and selectively recovering gold from a liquid containing gold, and to provide a method for recovering gold by selective separation using the adsorbent. An adsorbent is provided which makes ...
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JP2011516369A |
Methods and equipment for recycling and purification of inorganic metal precursors. A first gas stream containing ruthenium tetroxide is provided and converted to a solid phase lower ruthenium oxide. This lower ruthenium oxide is reduced...
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JP2011516369T |
A method and a device for recycling of an inorganic metal precursor, and refining. The 1st gas stream containing ruthenium tetroxide is provided, and it is changed into the low-grade ruthenium oxidation thing of solid phase. It is return...
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JP4686771B2 |
To obtain a fine silver oxide powder which can be alternative to a silver powder as a filler for a silver-based conductive paste. The silver oxide powder has a specific surface area of 1.0-25.0 m2/g measured by the BET method, a mean par...
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JP4680591B2 |
The present invention relates to a process for separating at least one metal compound and/or a component thereof from a mixture, said process comprising contacting the said mixture with a heteropoly acid or heteropoly acid anion, thereby...
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JP2011513583A |
The invention relates to a method for recovering gold from an acid digest of a gold-containing copper anode slime. The acid digest is selectively extracted with an alcohol having low miscibility with water. Gold is then recovered from th...
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JP2011080664A |
To provide a method and a device for thermal-decomposing (dry distillation) mixed waste of waste substrates, waste batteries and metal or the like with rubber and plastic and to provide a method and a device for carbonizing and gasifying...
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JP2011073964A |
To provide a method for manufacturing a tin oxide powder by recycling an indium-tin oxide scrap.The method for manufacturing the tin oxide powder by recycling the indium-tin oxide scrap comprises: a step of dissolving the indium-tin oxid...
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JP2011074406A |
To provide a method which efficiently recovers noble metal components from a noble metal-containing iron-nickel alloy by utilizing existing copper refining equipment without using special equipment, and can recover nickel having reduced ...
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JP2011058018A |
To provide a method for concentrating gold contained in a leach residue obtained by leaching copper from a gold-containing copper sulfide mineral so as to be efficiently recovered in a copper refining process where copper is recovered fr...
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JP4657371B1 |
A target consisting essentially of a CoCrPt-based metal or a CoCrPtRu-based metal, and one or more metal oxides selected from the group consisting of SiO2, Cr2O3, CoO, TiO2 and Ta2O5, is heated in an upper crucible of a two-level crucibl...
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JP4658333B2 |
A sodium cyanide composition having a paste-like consistency is provided which comprises sodium cyanide, a base, water, and a rheology modifier. Also provided are processes for producing and using the composition. The composition can be ...
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