| Document |
Document Title |
|
JP6586690B2 |
To provide a method for recovering a noble metal, in which the noble metal being a reduced form of a noble metal ion is recovered rapidly and extremely easily from a noble metal ion-containing solution being under an acidic condition wit...
|
|
JP6585712B2 |
Process for removing precious metal from precious metal-containing catalyst form bodies comprising form bodies and precious metal, whereby the precious metal to be removed is at least one precious metal selected from the group consisting...
|
|
JP6585955B2 |
To provide a method for efficiently separating Ru, Rh and Ir from a substance containing selenium and platinum group elements.The method for separating Ru, Rh and Ir from a substance containing selenium and platinum group elements compri...
|
|
JP2019157230A |
To provide a method for efficiently recovering high-purity silver from a scrap raw material containing silver halide at a state of coexistence with many kinds of impurities.There is provided a method for separating and recovering silver ...
|
|
JP6573603B2 |
[Problem] To provide a metal recovery method and a metal recovery apparatus which allow a metal to be recovered from a solution at low cost with high efficiency. [Solution] A metal recovery apparatus 100 according to the present inventio...
|
|
JP6573115B2 |
To provide useful new compounds, particularly a compound that can be used as an extractant for extracting a valuable metal, such as a rare metal and a noble metal, or a toxic metal having high toxicity.A compound represented by the gener...
|
|
JP6565232B2 |
To provide a method that efficiently and effectively recovers metal silver from a silver containing inorganic compound.A method of recovering silver is characterized by mixing a silver containing inorganic compound with flux, and treatin...
|
|
JP6568118B2 |
The invention relates to processes for separating metals, and in particular for separating precious metals such as platinum and palladium, by solvent extraction. The invention also provides novel solvent extraction mixtures useful in the...
|
|
JP2019137876A |
To provide a method for separating a desired metal efficiently from a metal mixed solution.A method of separating metal includes the steps of: (1) immersing a metal coordination unit-containing hydrophilic polymer, in the presence of fir...
|
|
JP6562433B1 |
To provide a new use of 5-methyl-2-hexanone. A metal extractant contains 5-methyl-2-hexanone as an active ingredient, and the chlorine complex or fluorine of the metal from the chlorine complex aqueous solution or the fluorine complex aq...
|
|
JP6558566B2 |
To provide a method of collecting platinum group elements which can efficiently collect platinum group elements, which are high in industrial value.Platinum group elements can be efficiently collected by a method of collecting platinum g...
|
|
JP6556685B2 |
To provide a platinum extraction agent having high selectivities, extraction rates, and peeling rates on platinum.This invention relates to a platinum extraction agent comprising an amide compound having a specific structure, or a urea d...
|
|
JP6553596B2 |
[Problem] To provide: a metal collection method and a metal collection system, whereby it becomes possible to collect a metal from a liquid metal waste with high efficiency and at low cost; and a solution regeneration method and a soluti...
|
|
JP2019112533A |
To provide a noble metal precipitant that does not use an organic solvent, can separate and recover selectively a noble metal from a solution containing a base metal or a noble metal in a hydrochloric acid acidic solution, and features s...
|
|
JP6541947B2 |
This invention pertains to the following: a recovery composition that contains ruthenium, iridium, and iron, with the ruthenium content and the iridium content satisfying relation (1); and a method in which said composition is used to re...
|
|
JP6543516B2 |
To provide a technique which makes it possible to reuse a lead electrolyte, which is used in electrolytic refining of crude lead, as an electrolyte even after recovery of thallium.The recycling method of a lead electrolyte comprises: a t...
|
|
JP6538617B2 |
To provide a method of easily, selectively and efficiently separating and recovering palladium and tin from acidic aqueous solution containing palladium, tin and compounds thereof.The invention relates to a method of separating and recov...
|
|
JP6522558B2 |
To provide a method for processing a sludge-like raw material which contains a precious metal and has a high moisture percentage content.A method is for processing a sludge-like raw material which contains a precious metal and has a mois...
|
|
JP6523346B2 |
A method for recovery of platinum group metals from a spent catalyst is described. The method includes crushing the spent catalyst to obtain a catalyst particulate material including particles having a predetermined grain size. The metho...
|
|
JP6518834B2 |
A system for recovering catalytic precious metals from aqueous galvanic processing solution is provided, said system comprising at least one holding tank, and at least one filtration unit, wherein the holding tank holds the galvanic proc...
|
|
JP6515369B1 |
To provide a method for efficiently recovering zirconium and palladium contained in an insoluble residue generated in a reprocessing step of spent fuel. An insoluble residue is treated with a hydrogen peroxide-containing acidic aqueous s...
|
|
JP6516264B2 |
To provide a copper refining slag treatment method suitable for recovering valuable metal from copper refining slag with high efficiency, and a copper refining slag treatment method suitable for removing a harmful substance from the copp...
|
|
JP6513909B2 |
|
|
JP6512354B2 |
Any metal having a low α-ray emission, the metal being any one of tin, silver, copper, zinc, or indium, wherein an emission of an α-ray after heating the metal at 100°C in an atmosphere for six hours is 0.002 cph/cm2or less. Any metal...
|
|
JP2019065321A |
To provide a method for recovering ruthenium or a ligand from a refining residue of a ruthenium precursor.Provided is a method for recovering ruthenium or a ligand from a refining residue of a ruthenium precursor by using a solvent.SELEC...
|
|
JP2019065374A |
To improve a recovery rate of noble metal contained in incineration ash.In a noble metal recovery method, the melt containing molten metal and molten slag is obtained by melting incineration ash, and after the melt is solidified, noble m...
|
|
JP6499309B2 |
whereby halogen is bromine and/or chlorine.
|
|
JP6492970B2 |
|
|
JP6488820B2 |
|
|
JP2019042624A |
To receive, at one place, coal ashes generated in heat power stations at respective places, and recover useful minor components, and effectively use coal ashes after recovery of the minor components.According to this coal ash treatment/p...
|
|
JP6486499B2 |
A process for digestion of fine iridium includes (a) alkaline oxidative digestion of 1 part by weight fine iridium and 3 to 20 parts by weight of a combination comprising 40 to 70 parts by weight sodium hydroxide, 15 to 30 parts by weigh...
|
|
JP6488312B2 |
The present invention relates to a process for the selective and ecoefficient recovery of lead and silver jointly as a concentrate product from hydrometallurgical residues.
|
|
JP6482118B2 |
To provide a palladium extraction agent which allows palladium to be extracted with high selectivity, and a method for extraction separation of palladium.The present invention provides a palladium extraction agent comprising a cyclic phe...
|
|
JP2019023356A |
To provide a recovery method of a noble metal capable of recovering a noble metal efficiently in a simple method, from an aqueous solution containing hydrochloric acid acidic Sn-containing noble metal catalyst recovery liquid.There is pr...
|
|
JP6463175B2 |
To provide a reactivation method of activated carbon enabling the activated carbon to be used effectively and repeatedly by reactivating the used active carbon to high activity, and a recovery method of gold.In a reactivation method of a...
|
|
JP6462722B2 |
The present invention is intended for effectively removing copper, iron, sulfur, which are impurities, from activated carbon on which gold is adsorbed before gold eluting in the point of view of gold recovery, and is related to a method ...
|
|
JP6457039B2 |
To provide a method where, from a recovery in a purification step including silver oxide and impurities, the impurities are reduced to recover silver.Provide a method for recovering silver comprising: a dissolution step where a recovery ...
|
|
JP6442674B2 |
To provide a method for stably producing a hydrochloric acid-dissolved solution enough in platinum group elements other than ruthenium even in the case relatively many rutheniums are temporarily included in a raw material.Provided is a m...
|
|
JP6444784B2 |
To effectively remove impurities included in a post-treatment liquid using thiosulfuric acid without the decomposition of thiosulfate.The present invention provides a method to purify thiosulfuric acid complex salt from a solution compri...
|
|
JP6443986B2 |
To provide a device capable of melting and peeling recovery of a noble metal over a treatable amount of a drum unit of a tilting mixer when melting and peeling treatment liquid amount needed for melting and peeling noble metals contains ...
|
|
JP6441127B2 |
To provide a reactivation method of activated carbon enabling the activated carbon to be used effectively and repeatedly by reactivating the used active carbon to high activity, and a recovery method of gold.In a reactivation method of a...
|
|
JP6435920B2 |
To provide a method for recovering palladium capable of easily and effectively reducing ruthenium without repeating a refining operation.Provided is a method for recovering palladium containing: an ammonia addition step S11 where rutheni...
|
|
JP2018184628A |
To provide a recovery method of platinum group metal for preferentially dissolving platinum group metal with suppressing dissolution of a base material and recovering the platinum group metal for a metallic material with a form that the ...
|
|
JP6427698B1 |
To provide a new use of 5-methyl-2-hexanone. A metal extractant contains 5-methyl-2-hexanone as an active ingredient, and the chlorine complex or fluorine of the metal from the chlorine complex aqueous solution or the fluorine complex aq...
|
|
JP6418776B2 |
To provide a method of controlling particle sizes of a platinum powder.A production method of a platinum powder is based on mixing an organic solvent containing platinum with a hydrazine aqueous solution added with an alkali and reducing...
|
|
JP2018165376A |
To collect a large amount of metal such as lanthanoid and actinoid, Fe, Al and noble metal such as gold if they are converted into plants.A method for extracting an element from sea includes mainly extracting a metal element existing in ...
|
|
JP6408609B2 |
The present invention provides a method of extracting gold from pregnant leach solution (PLS) obtained from leaching of gold, comprising the steps of: (a) extracting the PLS with an organic extractant comprising an organic diester and an...
|
|
JP6401814B2 |
To provide a method for recovering a noble metal capable of effectively recovering the noble metal from a solution containing a hydrochloric acid acidic Sn-containing noble metal catalyst recovery liquid by a simple method.There is used ...
|
|
JP6400047B2 |
To provide a method of treating a metal-containing acidic aqueous solution enabling a predetermined noble metal to be precipitated and effectively recovered from metal-containing acidic aqueous solution containing palladium and one or mo...
|
|
JP6399352B2 |
To provide a physically and chemically stable method which, under coexistence of platinum group metals and a high concentration of impurity elements in an aqueous chloride solution, adsorbs platinum group metals with high selectivity and...
|
