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JP2008223070A |
To provide a valuable metal recovery method and apparatus capable of recovering the valuable metal included in raw materials and effectively utilizing limited resources.The method comprises: a halogen compound adding means 15 of adding a...
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JP4153659B2 |
A process for the extraction of metal from an ore or concentrate which contains nickel and/or cobalt values and other metals, comprises subjecting the ore or concentrate to acid leaching under pressure at pH<=2 to obtain a liquor contain...
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JP4146455B2 |
To provide a coating film recycling method which includes a method for properly removing a coating film formed on a surface of a magnesium alloy product, in a short period of time while attaining prolongation of life of a using processin...
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JP4142848B2 |
The present invention provides methods for the isolation and production of magnesium products from leaching of laterite material with acid. A magnesium compound is formed by downstream treatment of a leach stream after at least one of ni...
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JP4146198B2 |
A method is provided for removing a paint layer formed on a Mg-alloy material. The method includes a physical removing step and a chemical removing step. At the physical removing step, the paint layer is partially removed by using a cutt...
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JP4136170B2 |
To provide a regenerating method excellent in environmental properties in which the scrap of parts and products made of coated magnesium material is decomposed without using flux and also without generating harmful organic gas caused by ...
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JP2008531854A |
A cathode comprising an oxygen-containing compound, or a metal containing dissolved oxygen, is arranged in contact with a melt comprising a hydroxide of an alkali metal. An inert anode, advantageously comprising nickel, is also arranged ...
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JP4134150B2 |
To provide an apparatus and a method for degreasing magnesium alloy or a member containing magnesium alloy which provide safe degreasing of the magnesium alloy by means of a heat treatment step alone. The apparatus and method for degreas...
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JP2008179837A |
To provide a method for producing magnesium, which can take out produced magnesium from the bottom of a reactor, does not need a facility for electrolysis and is superior in cost-effectiveness, and to provide a reactor to be used therefo...
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JP4130629B2 |
An improved method and apparatus for recovering metal values from Electric Arc Furnace dust, particularly zinc and iron values, by mixing EAF dust and carbonaceous fines to form a particulate mixture; heating the mixture at a sufficient ...
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JP2008116108A |
To provide a method for supplying cover gas, which has sufficient preventive effects of oxidation-combustion and prevents cost increase by containing a necessary and sufficient amount of fluoroketone in the cover gas in supplying cover g...
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JP2008110288A |
To provide a treatment method which enables a fractional recovery of a calcium component and a lead component from micropowders containing the calcium component and the lead component.The method comprises (A) the process of mixing the mi...
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JP2008093491A |
To provide a simple method capable of always recovering a calcium component and a lead component in a high recovery ratio regardless of the large content of the calcium component in a fine powder using a reduced number of processes and a...
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JP2007530778T5 |
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JP2008501855A |
A process recycles light foam metal e.g. cast magnesium containing non-metallic impurities e.g. a second oxide component. In the process the metal is heated to above melting point within a chamber from which gases are part evacuated, pri...
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JP4017456B2 |
To provide a method by which calcium ions and sulfuric ions can be recovered as solid components, and the chloride of alkali metal such as sodium chloride having a low content of impurities can be recovered without using chemicals such a...
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JP2007530410A |
Cyclical batch processes for halogenation, such as chlorination, of minerals in a fixed bed using a plurality of cycles which include the steps of at least partially evacuating the bed, charging the bed with reactant gas, maintaining the...
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JP2007530778A |
A process for recovering a target metal from an oxidized metalliferous material comprises the steps of: in an acid generation stage, adding sulfuric acid to a solution comprising a metal halide to generate an acidic aqueous halide soluti...
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JP3991171B2 |
To efficiently separate and recover nickel or vanadium from heavy oil type combustion ash. In this treatment method, heavy oil type combustion ash or the treated matter thereof is mixed with aq. ammonia to exude a nickel- containing comp...
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JP3967376B2 |
Carbonyl fluoride is produced by reacting fluorine-containing compound such as metal fluoride with CO in an excited state, such as produced by a plasma, to obtain a gaseous reaction mixture, which can then be quenched to obtain the COF2.
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JP3962855B2 |
To provide a method capable of efficiently and easily separating and recovering various kinds of metals from the incineration ash generated when wastes, such as shredder dust, are incinerated or the molten fly ash generated when the inci...
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JP3935251B2 |
To provide a method of treating hexavalent chromium containing waste in which valuable metal components such as magnesium and chromium can be effectively recovered from reduction treated material and also the range of uses of the residue...
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JP3909414B2 |
To provide a method of producing a magnesium alloy casting excellent in corrosion resistance. The method of producing a magnesium alloy casting is provided with: a molten metal preparing stage where molten metal consisting essentially of...
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JP3903829B2 |
To provide a method of recycling an Mg alloy by which the removal of Fe components and the refining of a cast structure can simultaneously be attained without using additive harmful for the environment, to provide a recycling agent, and ...
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JP3890401B2 |
To separate specified kinds of metallic ions while the intrusion of impurities is prevented and to obtain metallic ions of high purity. A selective sequestering agent which is a ring compound and forms a complex only with metallic ions h...
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JP3879226B2 |
To provide a chemical separation method of useful metal from combus tion ash for inexpensively separating usuful metal contained in combustion ash and by-products produced at the time of separation with high purity. In a chemical separat...
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JP3857589B2 |
To provide a high purity metal such as magnesium by distillation-refining of a raw metal, and to provide a method and an apparatus for refining the high purity metal exhibiting a high yield and efficiency at a low cost. The refining devi...
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JP3854475B2 |
To provide a sodium refining apparatus which is simple in constitution and is free of deterioration of a solid-state electrolyte. The sodium refining apparatus for removing the impurities in sodium through the sodium ion conductive solid...
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JP3853361B2 |
A method for the removal separation, and concentration of cesium cations from a source solution which may contain larger concentrations of other alkali metal ions comprises bringing the source solution into contact with a polymeric resin...
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JP3838717B2 |
To provide a process for production capable or producing high-purity magnesium of ≥99.999wt.% (6N) in purity directly in an ingot form by a refining means capable of separating aluminum, silicon, manganese, etc., which are heretofore d...
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JP2006522224A |
This invention relates to a method for generating pollution credits while processing molten magnesium, aluminum, lithium, and alloys of such metals by contacting the molten metal or alloy with a gaseous mixture comprising a fluorocarbon ...
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JP3825783B2 |
To provide a apparatus for supplying covering gas for molten metal by which fluctuations in the concentration of effective components in the covering gas for molten metal can be suppressed. This covering gas supplying apparatus has: a fi...
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JP2006520853A |
This invention relates to a method for preventing the ignition of molten magnesium by contacting the molten magnesium with a gaseous mixture comprising a fluorocarbon selected from the group consisting of perfluoroketones, hydrofluoroket...
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JP3806067B2 |
To provide a method for properly removing, in a short period of time, a coating film formed on the surface of a magnesium-alloy material while attaining the life prolongation of a treatment solution to be used, a method for manufacturing...
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JP3802046B1 |
To provide a treatment method of obtaining a solid content of zinc and lead of little moisture content from heavy metal-containing powder such as fly ash containing calcium, lead, zinc, copper, and a chlorine content. The method comprise...
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JP3790543B2 |
A ladle including one or more compartments for the continuous processing of molten metal, such as aluminum or its alloys, with the aid of a device for introducing gas and heating by means of a submerged immersion heater. The ladle includ...
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JP3780356B2 |
To provide a treatment method by which it is possible to economically separate and recover gypsum and magnesium in a process to treat petroleum combustion ash. This treatment method for petroleum combustion ash comprises treating the mag...
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JPWO2004066338A1 |
The present invention relates to an alkali metal generator for forming a photoelectric surface or a secondary electron emitting surface capable of stably generating an alkali metal. The alkali metal generator (1) is used to form a photoe...
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JPWO2004066337A1 |
The present invention relates to an alkali metal generator for forming a photoelectric surface or a secondary electron emitting surface capable of stably generating an alkali metal. The alkali metal generator (1) is used to form a photoe...
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JP3772770B2 |
To recover silver and lead in an adequately separated form, from a copper electrolysis slime. The method for recovering noble metals from the copper electrolysis slime comprises a silver leaching step of leaching silver in nitric acid an...
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JP3774339B2 |
To effectively recover metal magnesium from a transporting vessel of the metal magnesium containing impurities by accommodating the transporting vessel into a reaction vessel, connecting this reaction vessel with a condensing vessel, red...
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JP2006513319A |
The invention relates to a method for producing a metal foam body, according to which a molten material containing gas is prepared and said molten material is left to solidify, thus forming a metal foam body. The aim of the invention is ...
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JP3766269B2 |
To improve a production efficiency by making it unnecessary to perform an operation of aligning an ingot supply means with an ingot inlet when a melting holding furnace is reconnected with a die-casting machine. An ingot supply equipment...
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JP2006511705A |
The invention relates to a rotary device for dispersing a gas in a molten metal. The device comprises a hollow shaft at one end of which is attached a rotor. The rotor has a roof and a base which are spaced apart and connected by a plura...
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JP3754069B2 |
A ladle for filtering liquid metal such as Al, Mg or alloys thereof on a filter medium such as a gravel bed (2, 3), comprising a first heater (6) located outside the bed and the liquid metal, and a second heater (11), e.g. an immersion h...
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JP2006009157A |
To solve the problems, e.g., that, regarding the method for peeling a coating material from a magnesium alloy member, a wet blasting process is used, but, in the case a rust prevention material and the coating material are left at the pa...
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JP3733417B2 |
To efficiently separate Pd and Cs by first bringing coppery insoluble hexacyanoferrate (II), oxidation-treated substance thereof, or copper hexacyanoferrate (III) into contact with an acidic solution of nitric acid to absorptively separa...
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JP2001515146A5 |
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JP3724179B2 |
To provide a method to efficiently separate alkaline earth metals from a cobalt aqueous solution containing at least one kind of alkaline earth metal ion such as calcium, magnesium and strontium as impurities. Aqueous solution of cobalt ...
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JP3675392B2 |
To provide a method of collecting metal from wasted lithium ion cells having merits of physical sorting method and chemical fusion purifying method. Used and wasted lithium ion cell is burned in an oven with high temperature to decompose...
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