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JP5786021B2 |
A method for recovering valuable metals, such as lead, silver and gold from the residue of an electrolytic zinc process, wherein the residue from the zinc process is suspended and sulfidized for converting the lead and silver compounds i...
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JP5787288B2 |
To provide a Pd ion collector that extracts palladium (Pd) efficiently and inexpensively.The Pd ion adsorbent compound such as DDHMP that selectively adsorb Pd as a target metal is supported by highly ordered mesoporous silica (HOMS) man...
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JP5784307B2 |
The membrane electrode assemblies of fuel cells are recycled to recover the catalyst precious metals from the assemblies. The assemblies are cryogenically embrittled and pulverized to form a powder. The pulverized assemblies are then mix...
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JP5777494B2 |
To provide a metal recovering method, which reduces the amount of use of a chemical used for the recovery treatment, makes the amount of generation of a waste small, and is economically executed, even when recovering a rare metal from a ...
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JP5777150B2 |
To selectively, rapidly, readily and efficiently recover platinum and palladium from a nitric acid solution containing platinum, palladium, silver, copper, etc.A method for recovering platinum and palladium comprises: a step of contactin...
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JP2015157976A |
To provide a method of recovering a silver solder ingredient from a silver cladding kovar through selective dissolution selectively by a simple dissolving method, while suppressing dissolution of kovar substrate ingredients, without an e...
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JP2015158004A |
To provide a method of recovering precious metals which enables recovery of precious metals with high efficiency and allows reduction of discharge of waste liquid (environmental load) associated with the recovery of precious metals becau...
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JP5772628B2 |
To provide a method for recovering rhodium by which the rhodium can be effectively and selectively recovered as a crystal using wet treatment from a nitrous acid neutralization filtrate and loss of the rhodium due to repetition to a refi...
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JP5770984B2 |
Disclosed is a rotary kiln provided with a rotary furnace in which an object to be treated containing a metal is burnt, an electric furnace which is connected to the rotary furnace via a connecting portion and which separates the metal f...
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JP5767951B2 |
To highly efficiently recover iridium from iridium and ruthenium adsorbed by activated carbon available at a relatively low cost, upon purifying/recovering iridium.There is provided a method of recovering iridium comprising purifying/rec...
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JP2015145529A |
To provide a method of recovering silver from zeolite comprising a sulfur component and silver.This invention provides a method of recovering silver from zeolite comprising a sulfur component and silver, the method comprising: a heat tre...
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JP5761697B2 |
To provide a metal adsorbent capable of selectively recovering useful metals by effectively using biomass wastes.There is provided a metal adsorbent which comprises: acetylated chitosan; a graft chain formed by graft polymerization of a ...
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JP5759785B2 |
To provide a method with which platinum group metals of Pt, etc., can be easily recovered at low cost from blasting sand containing the platinum group metal.There is provided the method for recovering the platinum group metal from the bl...
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JP5757529B2 |
Urban ore is a mixture of a lot of metallic elements, and these metallic elements need to be separately collected therefrom. However, because the content of each metallic element is very small, it has been extremely difficult to selectiv...
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JP2015131989A |
To provide a method in which temperature is not required to be raised to as high as 70°C or more in obtaining high-purity metal Au from organic phase containing Au and impurity, high-purity Au can be obtained even if temperature exceeds...
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JP2015124114A |
To provide a glass plate manufacturing method for preventing the agglomerate of a platinum group metal evaporated from molding equipment and agglomerated from contaminating into sheet glass, and to provide a manufacturing apparatus.A met...
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JP2015120141A |
To provide a filter using a hydrophilic polymer composition containing an amine based polymer as adsorbent and capable of being used stably in a wet state.There is provided a filter which is constituted by a plurality of single low swell...
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JP2015114240A |
To provide a gold distribution ratio analysis method of ore capable of accurately analyzing a gold partition ratio.A step of performing an alkali exudation after performing an acid exudation or a cyan exudation of an ore sample is repeat...
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JP2015113503A |
To provide a method of effectively separating and collecting selenium and tellurium mixed in hydrochloric acid acidic liquid comprising one or more element of rhodium, ruthenium, and iridium.This invention provides a method where, to hyd...
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JP2015114241A |
To provide an existence form analysis method of a fine metal in the ore which can specify mineral species even in the co-existence of the fine metal.The existence form analysis method of a fine metal includes: a mineral species specifica...
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JP5733732B2 |
The present invention is related to a manufacturing method of high purity and refined Ru (Ruthenium) powder produced by using a waste Ru target. Yield of the target and physical properties of a thin film are improved by producing tremend...
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JP2015098619A |
To provide a method of selectively separating a noble metal from a metal base material catalyst and efficiently collecting it.A noble metal separation collection method comprises a step of bringing metal base material catalyst into conta...
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JP5722122B2 |
To provide a metal recovery method capable of efficiently recovering metal components from the exhaust gas dust discharged from a smelting furnace in a metal refining process.The metal recovery method includes: feeding the exhaust gas du...
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JP2015092019A |
To provide a method of highly selectively separating platinum ions from a solution containing platinum (IV) ions by a simple method.The method is used which includes: an adsorption step of bringing a solution containing platinum (IV) ion...
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JP5716867B2 |
The present invention relates to a method of concentrating and recovering precious metals from waste mobile phone PCBs and spent automotive catalysts using waste nonferrous slag, in which precious metals such as gold, silver, platinum, p...
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JP2015089947A |
To provide a highly efficient method for recovering noble metal enabling noble metal to be recovered with high yield.The method for recovering noble metal comprises an adsorption step of a noble metal for contacting a solution containing...
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JP5711999B2 |
An adsorbent contains a carbohydrate having an ether linkage. Alternatively, an adsorbent contains a carbohydrate having a cross-linkage formation produced by a dehydration reaction using a strong acid. In collection of a precious metal ...
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JP5714069B2 |
Incineration plant comprises a heat treatment chamber (1) with a fireproof insulating lining in the interior of the heat treatment chamber and an exhaust gas purification system. The insulating lining is resistant against hydrofluoric ac...
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JP5713697B2 |
A method of suppressing a distribution of PGM into a Cu20 slag in an oxidation smelting of a method of recovering PGM, is provided, including: carrying out reduction smelting to a treatment target member containing PGM, Cu and/or Cu 2 O,...
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JP5709102B2 |
To provide a method for recovering platinum group elements and rare earth elements in which the platinum group elements and the rare earth elements are dissolved into a single ion liquid, and they are selectively separated, and a recover...
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JP5703514B2 |
To provide a collecting material capable of selectively and efficiently collecting (adsorbing) and recovering (separating) gold under acidic conditions, and a separating and recovering method for gold, capable of easily performing recove...
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JP5702272B2 |
To provide a method for treating bismuth electrolytic slime, in which damage or an environmental load of treating equipment is favorably prevented.The method for treating the bismuth electrolytic slime includes: a step 1 of leaching the ...
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JP2015067877A |
To provide a method of separating and recovering noble metals from a solution containing noble metals, such as gold, palladium, and platinum.A noble metal recovery agent adsorbs and/or recovers noble metals from a solution. The recovery ...
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JP2015510541A |
Provided is a method for recovering rare earth minerals and zirconia in a reusable form from waste containing them. This method consists of a step of mixing ammonium sulfate powder and a powder containing oxide waste, a step of heating t...
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JP5690409B2 |
A method for recycling noble metals from electronic waste materials and apparatus thereof. The method comprises the following steps: mechanically breaking up the electronic waste materials; removing rubber and plastic materials by electr...
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JP5688200B2 |
To provide a method for recovering noble metals by which combustion efficiency is improved to reduce energy consumption, and further the extraction rate of noble metals can be improved, and to provide a combusting device suitable for imp...
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JP5689340B2 |
Provided is a method of unevenly distributing a specific element in a copper phase out of platinum group elements that exist in the copper phase, including further adding copper into a molten copper phase containing the platinum group el...
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JP5685645B2 |
The invention relates to a method for recovering gold by solvent extraction from an acidic chloride-containing aqueous solution or from slurry containing gold-bearing solids using a diester-based reagent that is poorly soluble in water a...
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JP5686470B2 |
To provide a method of collecting silver and copper which can collect silver and copper from a deposit containing silver, copper and calcium which are obtained by washing scattered ash with at least water by an easy operation and at high...
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JP2015048524A |
To inexpensively and efficiently recover Au adsorbed to an active carbon.A recovery method of Au adsorbed to an active carbon includes a step in which Au adsorbed to an active carbon is eluted by an eluent being an acidic solution includ...
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JP2015042783A |
To recover useful metals simply and reliably from combustible members of the electronic substrates, without high-temperature fusion or oxidation, even when various types of electronic substrates are treated in a heat treatment furnace.A ...
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JP5676649B2 |
In a method for producing metal powder, the first part of an acid-containing starting solution is fed on the anode side of an electrolytic cell as anolyte, to contact the anode and supply material containing yield metal, and a second par...
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JP5676348B2 |
To provide a method for recovering platinum as ammonium chloroplatinate from a blasting powder containing platinum, which improves a recovery rate as a whole by reducing the amount of platinum contained in a filtrate from which ammonium ...
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JP5676797B2 |
The present invention extracts precious metals from an acidic solution containing precious metals in an early and highly efficient manner. Provided is an extraction agent for precious metals that is represented by the general formula bel...
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JP2015030726A |
To provide a noble metal ion desorbent which can be repeatedly used by preventing degradation of the noble metal ion desorbent, and to provide an efficient method of recovering novel metal using the same.A noble metal ion desorbent conta...
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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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