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JP4466187B2 |
There is disclosed a method for removing palladium, which method is characterized by contacting a solution containing a palladium complex containing a phosphorus-type ligand in an organic solvent with a layered clay compound or a zeolite...
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JP2010106326A |
To provide a method for efficiently recovering noble metal from noble metal-containing material of a catalyst waste, etc. by utilizing an aluminum as a noble metal absorbing material.This method for recovering the noble metal is performe...
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JP4461283B2 |
The invention relates to a process for the separation and recovery of non-ferrous metals from zinc-bearing residues, in particular from residues produced by the zinc manufacturing industry. The process allows for the valorisation of meta...
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JP2010100908A |
To provide a method for treating an electrode material which can efficiently recover noble metals contained in the electrode material of a used polymer electrolyte fuel cell as a catalyst without generating harmful substances or the like...
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JP2010101641A |
To provide a method for extracting and separating solvents of metals which can efficiently extract and separate such metals as Cr, Mo, Pd, Tc, W, Re and Pu in high-level radioactive waste liquid by a simple processes and operation.The me...
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JP4455985B2 |
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JP4448937B2 |
There is provided a novel extractant for palladium capable of improving an extraction speed in comparison with a case of utilizing a DHS being a conventional extractant, and a method for separation and recovery of palladium utilizing the...
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JP4450942B2 |
To provide a method improved so as to efficiently separate and recover noble metals form used metallic electrodes, for a short time at low cost. In the method for recovering the noble metals from the metallic electrodes arranging a coate...
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JP4450945B2 |
To provide a treating method which can easily and efficiently separate and recover precious metals from a used in soluble metal electrode at a low cost. In the treating method for recovering precious metals from the metal electrode havin...
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JP2010077470A |
To enrich platinum group element by shifting it to fused metal side in the case of containing the platinum group element, rhenium and arsenic in a material to be treated, and also, to efficiently enrich the rhenium and arsenic to separat...
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JP2010077510A |
To obtain a method for efficiently recovering rhodium by simply separating rhodium from platinum and/or palladium from raw material containing rhodium and at least platinum and/or palladium.The method of recovering the rhodium, is perfor...
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JP2010509050A |
A method of extracting platinum group metals from waste catalysts through an electrochemical process is disclosed. The extracting method includes positioning the waste catalysts between both electrodes in an electrolytic cell, leaching t...
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JP4435875B2 |
This invention relates to an electrolytic method for the selective recovery and recycling of silver from a nitric acid solution containing it in the form of Ag(I), this method comprising successive steps of electro-deposition of the silv...
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JP2010047838A |
To provide a simple and effective method for mobilizing metallic ruthenium or ruthenium compounds from solids and also recovering the previously mobilized ruthenium compounds.The present invention relates to a method for mobilizing metal...
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JP3157596U |
To provide an apparatus for easily and highly efficiently recovering precious metal particles contained in a small amount of clay waste generated in a molding process and a finishing process of jewelry and arts and crafts using precious ...
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JP4418909B2 |
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JP4422835B2 |
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JP4417907B2 |
The present invention relates to an improved process for the recovery of palladium from spent catalyst. The present invention particularly relates to a suitable method of catalyst recovery of precious metals from spent catalysts or inorg...
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JP4406688B2 |
To provide a method for purifying a solution containing univalent copper for use in a process for recovering metal copper from the solution containing the univalent copper by an electrolytic operation. The method for treating an aqueous ...
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JP4403259B2 |
To reduce the amount of platinum group elements in a process and the frequency of cleaning a liquid after gold electrolysis, and to improve the yield by simplifying the process. Silver electrolysis slime comprising gold, silver and plati...
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JP2010013336A |
To provide a method for producing metal single crystal having large dimension.The method for producing metal single crystal includes a step of bringing the solution of a salt containing the metal into contact with the surface of a tannin...
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JP4399633B2 |
To inexpensively recover silver and platinum-group elements from silver electrolysis slime containing gold, silver and platinum-group elements. In a method for treating silver electrolysis slime, the silver electrolysis slime containing ...
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JP4395926B2 |
A process for efficiently separating and recovering a ruthenium compound used as the catalyst in the production of adamantanols. The adamantanols are produced by hydroxylating an adamantane compound in the presence of a ruthenium compoun...
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JP4392864B2 |
The invention is directed to a method for the manufacture of substantially fully densified, finely divided particles of gold wherein the operating temperature is below the melting point of gold.
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JP4391737B2 |
To provide method of producing metal by which the objective metal can inexpensively be obtained as a dispersion liquid in which metal particles having a small particle diameter are dispersed at a high concentration, or as a metal film su...
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JP4384989B2 |
The present invention relates to a process for the recovery of precious metals from spent catalysts or adsorbent or inorganic waste. More specifically a process is provided for the recovery of palladium from silica, which is used as an a...
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JP4370401B2 |
To avoid damage of an inner wall including a portion at a height of a molten slag level in a smelting furnace providing molten metal by deoxidizing oxide raw materials charged in the furnace by a carbonaceous reducing agent. In the smelt...
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JP4366893B2 |
To objectively evaluate the raw material value of precious metal scraps by realizing sand-like powder of the uniform grade of precious metal scraps, and to reliably prevent a refining equipment from being adversely affected during the tr...
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JP4366804B2 |
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JP4368328B2 |
To establish a production process for a high-purity silver material by a novel means, then to provide a high-purity silver wire which is excellent in recording or transmission of sound or image by working the material to a wire. The appa...
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JP4369402B2 |
To provide a method for refining an Rh solution containing one or more kinds of impurities selected from heavy metals and alkaline-earth metals, and Ag. In the method for refining an Rh solution, alkali is added to a hydrochloric acid aq...
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JP4358594B2 |
To provide a method for efficiently recovering noble metals from material containing at least the noble metals, e.g. gold, silver, platinum group, etc., originating from a copper electrolytic slime, and selenium and tellurium, and a meth...
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JP4356519B2 |
To provide a recycling system for a valuable metal which realizes efficient extraction, recovery and regeneration of Ag and In as an electrode material from waste products of various kinds of flat panel displays such as a liquid crystal ...
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JP4357716B2 |
To provide a method and an equipment for producing a slag to be advantageously reused by improving the characteristics and the economical values of the slag and metal. The method and the apparatus for treating the molten slag of the wast...
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JP2009247981A |
To provide an adsorbent with high recovering efficiency of noble metals even if the substrate is composed by a plant material as a raw material, and to provide a method for recovering noble metals.The adsorbent that adsorbs the noble met...
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JP2009249740A |
To provide a method for collecting a platinum group element and/or gold from a used material or the like while reducing energy consumption, which shows a high collection rate and does not need a large quantity of chemical agents.In order...
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JP4355334B2 |
To solve such problems that, when recovering platinum group elements (Pt, Pd, Rh, Ru, Ir and Os) by charging a powdery or granular recycling material containing the platinum group elements into a flash smelting furnace, loss into slag is...
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JP4347783B2 |
To provide a method of recovering platinum and rhenium from a waste catalyst carried on an alumina-containing porous support with a high recovery. The method of recovering platinum and rhenium from a waste catalyst carried on an alumina-...
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JP4350711B2 |
To provide a method for slagging unmelted matters caused in a reflection furnace type recycling furnace without strengthening combustion by a heavy oil burner, and recovering valuable metal as a mat. In the melting furnace method for ind...
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JP4334718B2 |
To provide a method of treating waste water containing silver, which enables miniaturization of a device for treating the waste water containing silver and by which effluence of silver components into treated water is sufficiently inhibi...
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JP2009203503A |
To provide a method for recovering high purity iridium by which a high purity iridium is obtained by using an ammonium chloride solution comprising a small amount of a solvent extraction agent containing iridium and a platinum group othe...
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JP2009203486A |
To obtain a method capable of efficiently separating and recovering ruthenium from scraps containing the ruthenium.In the method for recovering the ruthenium from scraps containing the ruthenium, powdery scrap is mixed with sodium chlori...
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JP4323493B2 |
A method for recovering a platinum-group metal from waste fluid with selenium using copper powder is provided to realize favorable recovering yield of a platinum-group element and to decrease the quantity of the repeatedly-treated platin...
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JP4323477B2 |
The purpose of the present invention is to effectively recycle high-value metal such as copper and precious metal from the precious metal waste material and/or in the residual that contain copper and high-price material selected from at ...
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JP4323492B2 |
A method for recovering platinum from waste fluid with selenium using hydrazine is provided to decrease the quantity of the repeatedly-treated platinum by realizing favorable recovering yield of a platinum-group element. In a method for ...
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JP2009530077A |
The present invention is directed to a multi-compartment autoclave using inter-compartment dividers having one or more underflow openings for passing a feed stream between compartments.
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JP4321929B2 |
To provide a technique for selectively separating silver from a mixture of silver and other metals and also efficiently recovering this silver. In this method for separating and recovering silver, a solution containing silver is brought ...
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JP4318325B2 |
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JP4313361B2 |
The invention provides a chloridize method of Ru and/or Rh, raw material of platinum metal (Pt, Pd, Ru, Rh, Ir, Os) at least comprise Ru and/or Rh (following called platinum container) mixed with sodium chloride power with average size l...
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JP4311175B2 |
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