| Document |
Document Title |
|
JP6230033B2 |
[Problem] To provide a means of using a yeast to recover noble metal ions in reduced form, i.e., as noble metals. [Solution] In a liquid to which an electron donor has preferably been added, Saccharomyces cerevisiae, Zygosaccharomyces ro...
|
|
JP2017196565A |
To provide an adsorbent for metal ions, which has excellent adsorption activity for metal ions including Group 10 metal ions.Provided is an adsorbent for metal ions, comprising a polymer or a salt thereof containing an unsaturated aromat...
|
|
JP6222469B2 |
To provide a method for efficiently recovering a high-purity platinum group metal with good separability of a platinum group without influence of Ru distillation on Pt recovery.A method for recovering a platinum group includes: a first r...
|
|
JP3213203U |
[Subject] Recovery subsystems, such as the useful precious metals using a heating furnace collected simply and certainly, are provided without carrying out high temperature fusion of the useful precious metals, or making it oxidize. [Mea...
|
|
JP2017189774A |
To provide an anion exchange resin, wherein, in a method for separating and recovering platinum group elements from a chloride solution, the anion exchange resin allows the platinum group elements to be efficiently recovered and can be u...
|
|
JP6214413B2 |
To provide a recovery method which enables recovery work of a noble metal from a used electronic substrate and the like to be performed at low cost and with high efficiency, and to provide a recovery apparatus for use in recovery work us...
|
|
JP6213454B2 |
|
|
JP6208630B2 |
To provide a method of manufacturing a resin enabling an efficient recovery of platinum group element in a method of separating and recovering the platinum group element from a chloride solution having the platinum group element.The meth...
|
|
JP2017170397A |
To provide a method of efficiently recovering metallic silver from waste water containing silver and a cyanogen at a low cost, and a method of treating waste water containing silver and a cyanogen that achieves resource saving and enviro...
|
|
JP2017171997A |
To provide a movement type gold refining system capable of recovering mercury evaporated in accordance with the heating of amalgam.Provided is a movement type gold refining system comprising: an electric furnace 11 heating amalgam 21 con...
|
|
JP6205290B2 |
To provide a method for recovering gold or silver from waste fluid at high working efficiency and recovery.There is provided a method for recovering gold or silver in gold or silver-containing cyanogen-based waste fluid, including a step...
|
|
JP2017160543A |
To provide a process for recovering a precious metal from a pregnant leach solution using a resin extractant.The precious metal is eluted from the loaded resin using an eluant comprising trithionate. The barren resin is contacted with a ...
|
|
JP6195536B2 |
To provide a method for removing iron which can realize cost reduction by making removal of an iron component from an acidic aqueous solution possible with a small amount of an acid, the acidic aqueous solution containing chloride ions a...
|
|
JP6196662B2 |
[Problem] To provide a simple, economic, and environment-friendly precious metal recovery method for recovering a precious metal from a used electronic device or the like. [Solution] A precious metal recovery method characterized in incl...
|
|
JP6187969B2 |
To provide an adsorbent which can adsorb noble metal ions and rare metal ions in urban ore efficiently and selectively.An adsorbent is obtained by fixing an amine-modified non-crosslinked polymer to a carrier.
|
|
JP6182096B2 |
A method for removing a metal contained in an organic-solvent solution thereof, the method comprising dissolving a polymer in the metal-containing organic-solvent solution to form a composite of the metal with the polymer and separating ...
|
|
JP2017133084A |
To recover gold and silver of high quality from wastes from circuit boards including silicon substrates containing gold, particularly Si in large quantities.A method of treating gold and silver slag includes leaching of gold and silver s...
|
|
JP2017125688A |
To provide a technique that enables a precise and easy analysis on rhodium in a sample.The method includes the steps of: coprecipitating rhodium ions with metal ions as a hydroxide from a solution A with a rhodium-containing sample disso...
|
|
JP6164640B2 |
To provide a method which enables efficient concentration separation and recovery of gold from a mixture containing a plurality of metals.A gold recovery method based on the chloride volatilization method includes a first step of heating...
|
|
JP2017121616A |
To provide a ruthenium absorbent capable of effectively adsorbing and removing ruthenium in water such as sea water.A ruthenium absorbent contains manganese dioxide obtained by a chemical synthesis method. The manganese dioxide is prefer...
|
|
JP6159297B2 |
To recover silver from a substrate coated with silver or a silver alloy at low costs while reducing the load on the environment.A silver recovery method includes a dissolving removal step of adding a solution containing iron (III) nitrat...
|
|
JP6159630B2 |
To provide a method for recovering gold capable of selectively recovering, from a strong acidic solution including gold and metals other than gold, gold of high quality easily and inexpensively.In the provided method for recovering gold,...
|
|
JP2017110301A |
To provide a process for recycling an electronic component removed from a printed wiring board, thereby extracting precious metal and base metal from the electronic component using an environmentally-friendly composition.A method accordi...
|
|
JP6151691B2 |
In an activated carbon for adsorbing a noble metal from an aqueous solution containing the noble metal, the difference (absolute value) between a zeta-potential in a 10 mmol/L aqueous solution of sodium tetraborate and a zeta-potential i...
|
|
JP2017088942A |
To provide a recovery method capable of inexpensively and effectively separating and recovering noble metal from noble metal-containing waste water.Provided is a method for recovering noble metal characterized in that an additive contain...
|
|
JP2017088994A |
To provide a pump capable of collecting gold efficiently at every point of labor, time and yield, from gold dust which cannot be collected completely, by pumping out gold dust and water simultaneously from a river, and by mixing mercury ...
|
|
JP6123284B2 |
To provide a noble metal ion desorbent and a noble metal recovering method which can efficiently desorb noble metal ions adsorbed by an adsorbent and can simply recover highly pure noble metal by reductive treatment of the desorption liq...
|
|
JP6123294B2 |
To provide a method of producing a palladium separation agent capable of separating palladium from a palladium ion solution in a range of low concentration to high concentration in a short time period and at high selectivity, and to prov...
|
|
JP6111976B2 |
To recover a noble metal from sulfide mineral at high recovery rate.Alkali is added to mineral concentrate obtained by griding and selecting sulfide mineral containing iron, arsenic, antimony, a noble metal, to make slurry and perform al...
|
|
JP2017066464A |
To provide a method for effectively separating silver and lead from a mineral slurry such as copper removal slime containing silver selenide and lead sulfide by an ore floatation.There is provided a floatation separation method of silver...
|
|
JP6108549B2 |
To provide an artificial peptide with a rare metal-binding capacity, to provide a method for recovering rare metals with few environmental loads, and to provide a convenient method for detecting rare metals.A peptide has the following am...
|
|
JP6109769B2 |
To provide a method of recovering precious metals which enables recovering precious metals efficiently from a membrane electrode assembly of a fuel battery without occurrence of accidental harmful substances.A method of recovering precio...
|
|
JP6108448B2 |
To provide a method for extracting and separating platinum, capable of extracting platinum from a solution containing a plurality of kinds of metals with high efficiency.The method for extracting and separating platinum comprises a step ...
|
|
JP2017051914A |
To provide a method for reducing noble metal ions dissolved in aqueous solution to noble metal and a solution therefor.The present invention provides a method for reducing noble metal ions dissolved in aqueous solution to noble metal, co...
|
|
JP2017506702A |
Gold and silver are selectively recovered, which separates gold and silver from the non-silver and non-gold materials in the scrap. Gold and silver are recovered from scrap material using a mixture of acids. The mixture may contain nitri...
|
|
JP6093232B2 |
The present invention provides a method for collecting a valuable metal, which enables a medium- to high-concentration cyan waste fluid to be treated at low cost and in a simple manner, and also enables a so-called valuable metal, e.g., ...
|
|
JP2017043792A |
To recover noble metal validly and effectively in a process recovering the noble metal without generating subsidiary hazardous materials from an electrode material containing the noble metal without disassembling of a fuel cell.A noble m...
|
|
JP6088565B2 |
Provided is a technology which produces high purity gold using a simple method from a chloroauric acid solution. The present invention relates to a method of producing more than 99.99% of high purity gold by adding a reducing agent to th...
|
|
JP2017040005A |
To provide a pretreatment method for gold ore for recovering gold from gold ore containing iron pyrite, in which the generation of sulfur dioxide is suppressed, and also, the recovery rate of gold can be improved.Provided is a pretreatme...
|
|
JP6083077B2 |
To provide a metal ion adsorbing material capable of separating/recovering metal ions of palladium, gold, platinum, indium and/or gallium and the like.The metal ion adsorbing material is obtained by a reaction which porous chitosan fine ...
|
|
JP6083862B2 |
To provide a method for extraction separation enabling many kinds of rare metals to be recovered at a time.There is provided a method for extraction separation of rare metals from a hydrochloric acid solution or a nitric acid solution by...
|
|
JP6079113B2 |
To provide a palladium separating agent capable of separating palladium ions from a solution containing palladium ions of a low concentration to a high concentration in a short time with a high selectivity, and a method for separating pa...
|
|
JP6076925B2 |
To provide precious metal recovery method and recovery system capable of recovering precious metal from MEA by simple device configuration.A method of recovering precious metal from the membrane electrode assembly of a fuel cell includes...
|
|
JP6072375B2 |
The present invention relates to a process for efficiently enriching and recovering noble metals of platinum and palladium based on solvent extraction, wherein isoamyl alcohol is used as extracting agent and 2-methoxyphenyl thiourea is u...
|
|
JP6068341B2 |
Processes for recycling electronic components removed from printed wire boards, whereby precious metals and base metals are extracted from the electronic components using environmentally friendly compositions. At least gold, silver and c...
|
|
JP6061335B2 |
To provide a method for extracting and separating a solvent of a novel metal, capable of efficiently extracting and separating noble metal elements from a hydrochloric acid solution with easy processes and operations.A method of extracti...
|
|
JP2017008340A |
To provide a recovery method of precious metals capable of efficiently recovering the precious metals without generating subsidiary harmful materials from an electrical conductor to which the precious metals adhere.A recovery method of p...
|
|
JP6058074B2 |
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...
|
|
JP6051845B2 |
To selectively separate Au from a solution containing Au and Ag while maintaining adsorption capacity of an adsorbent comprising tannin gel with respect to Au even if the solution contains a salt of Na at a high concentration of 1-2 mol/...
|
|
JP6051112B2 |
To provide a method for efficiently recovering platinum group metals from a catalyst-containing wash coat by a simple low-energy and low environmental load treatment.A method for recovering platinum group metals from a catalyst-containin...
|
