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Matches 101 - 150 out of 10,350

Document Document Title
WO/2013/065378A1
The purpose of the invention is to provide an arc melting furnace and an arc discharge control method with which a melted substance that has been melted efficiently can be stirred without causing workers an enormous amount of labor. The ...  
WO/2013/057450A4
The invention concerns a facility (10) for purifying a material comprising an assembly (30) of crucibles (32, 36, 38; 132). Each crucible comprises a chamber intended to contain the material in the molten state and a discharge conduit fo...  
WO/2013/057450A1
The invention concerns a facility (10) for purifying a material comprising an assembly (30) of crucibles (32, 36, 38; 132). Each crucible comprises a chamber intended to contain the material in the molten state and a discharge conduit fo...  
WO/2013/056457A1
Disclosed is a high-powder vacuum refining furnace which can be used for the purification of the multicomponent alloys. The evaporator coil laminates are covered by a refining furnace graphite insulation screen wherein a number of throug...  
WO/2013/053143A1
A device for processing aluminum and aluminum alloy fusant is provided with an aluminum melting furnace (1), an exchange chamber A (2), and an exchange chamber B (3) communicating with one another. A rotation means (8) with a graphite ro...  
WO/2013/044372A1
An auto-adjusting device is provided for a binding system of a metallurgical furnace. The auto-adjusting device comprises a gauge or sensor that constantly or intermittently measures one of either the furnace binding forces or the pressu...  
WO/2013/047104A1
High-purity lanthanum characterized in that the purity, in terms of the purity of the lanthanum excluding any rare-earth elements and any gas components, is 5 N or higher and the number of α-ray counts is 0.001 cph/cm2 or less; and a pr...  
WO/2013/029896A1
A radiation source for generating EUV from a stream of molten metal fuel droplets by LPP (Laser Produced Plasma) or (Dual Laser Plasma) has a fuel droplet generator arranged to provide a stream of droplets of fuel and at least one laser ...  
WO/2013/029092A1
A lance (10), for conducting a pyrometallurgical operation by top submerged lancing (TSL) injection, wherein the lance (10) has at least an inner pipe (12) and outer pipe (14) which are substantially concentric. The lower outlet of the i...  
WO/2013/027648A1
The present invention is a method for manufacturing a titanium ingot (30), the method being characterized by comprising: a step of melting a titanium alloy for a predetermined time by cold crucible induction melting (CCIM); a step of sup...  
WO/2013/020339A1
Provided is a method for purifying high-purity aluminium by directional solidification, comprising the steps of: selecting an aluminium raw material with a purity of from 4N to 5N, heating same to a temperature of 670°C to 730°C, stand...  
WO/2013/011100A1
The invention relates to a process and a device for bringing two immiscible liquids into contact, without mixing and at high temperature, with heating and brazing by induction. In particular, the invention relates to a process and a devi...  
WO/2013/005349A1
The present invention addresses the problem of providing: high-purity yttrium characterized by having a purity, in terms of the purity of the yttrium from which the rare-earth elements and gas components have been excluded, of 5 N or hig...  
WO/2013/003041A2
A method of alloying an iron majority compound with an oxide is provided. The method may include: heating the iron majority compound to a molten state; adding an oxide containing manganese to the molten iron majority compound; adding sla...  
WO/2013/001661A1
High-purity erbium having: a purity of at least 5N, excluding rare-earth elements and gas components; no more than 1 wt ppm each of Al, Fe, Cu, and Ta; no more than 10 wt ppm of W; no more than 150 wt ppm of carbon; no more than 1 wt ppm...  
WO/2012/169760A3
The present invention concerns a production method for tin from which low-alpha radiation is emitted by using vacuum refining, the method comprising the steps of: preparing a tin starting material that emits a large amount of alpha radia...  
WO/2012/169760A2
The present invention concerns a production method for tin from which low-alpha radiation is emitted by using vacuum refining, the method comprising the steps of: preparing a tin starting material that emits a large amount of alpha radia...  
WO/2012/164152A1
The invention is related to an arc melting and tilt casting apparatus (1) having a casing (13) provided with a vacuum chamber (12 ) for housing a hearth having a melting trough (7) and pouring means (7'), arc-melting electrode means (4, ...  
WO/2012/149551A2
A method and an apparatus for charging a particulate, for example lime, with a carrier gas, for example oxygen, through a lance into a metallurgical vessel or furnace. The apparatus comprises a metallurgical lance having an inner barrel ...  
WO/2012/149551A3
A method and an apparatus for charging a particulate, for example lime, with a carrier gas, for example oxygen, through a lance into a metallurgical vessel or furnace. The apparatus comprises a metallurgical lance having an inner barrel ...  
WO/2012/144314A1
Provided is a molten metal filtration device capable of reducing the remaining amount of molten metal, and further capable of suppressing oxidization of molten metal during a filtration process. A molten metal filtration device (1) is ch...  
WO/2012/140951A1
Provided is a method in which, when discarded batteries such as lithium-ion batteries are treated by a dry process, slag having a reduced viscosity is obtained to heighten the recovery of valuable metals. The method for recovering valuab...  
WO/2012/139484A1
A tantalum-material multilevel distillation crucible; the distillation crucible comprises a crucible body (1), an insulation plate (2), and a receiving hood (3); the insulation plate (2) is sheathed in the upper part of the crucible body...  
WO/2012/138456A1
Certain embodiments of a melting and casting apparatus comprising includes a melting hearth; a refining hearth fluidly communicating with the melting hearth; a receiving receptacle fluidly communicating with the refining hearth, the rece...  
WO/2012/126274A2
A device and method for removing impurities in an aluminum melt. The device comprises an upper furnace body, a lower furnace body, an intermediate partition plate, a crucible, a heating element and a charging opening. The intermediate pa...  
WO/2012/126274A3
A device and method for removing impurities in an aluminum melt. The device comprises an upper furnace body, a lower furnace body, an intermediate partition plate, a crucible, a heating element and a charging opening. The intermediate pa...  
WO/2012/124565A1
Provided is a method in which predetermined metals of platinum group metals existing in a copper phase are unevenly distributed in the copper phase. To increase the ratio of rhodium distributed in a molten copper phase, additional copper...  
WO/2012/121353A1
A rare earth metal recovery apparatus and a rare earth metal recovery method, each of which can recover a rare earth metal from a rare earth magnet and enables the extraction of the rare earth metal from the rare earth magnet with molten...  
WO/2012/115272A1
[Problem] To make it possible to efficiently produce an ingot, by efficiently cooling an ingot that is removed from a mold built into a melting furnace for smelting metal, in the production of active metal using the melting furnace, whic...  
WO/2012/110717A1
The invention relates to a manufacturing process that makes it possible to obtain an unwrought semi-finished product having at mid-thickness a density of micropores having a size greater than 90 µm of less than 50% and preferably of les...  
WO/2012/108522A1
Provided is a method for recovering PGM from a material to be processed that contains PGM. Specifically provided is a method for recovering PGM from a material to be processed that contains PGM, which comprises: a reduction smelting step...  
WO/2012/101002A1
The present invention relates to a method for solidifying a mass of liquid sulfur comprising the following operative phases: (a) pouring a mass of liquid sulfur into a solidification pond and forming a layer of sulfur which spreads over ...  
WO/2012/099009A1
Provided is a method for suppressing distribution of PGM to Cu2O slag in oxidation smelting in a method for recovering PGM. Specifically provided is a method for recovering PGM, which comprises: a reduction smelting step wherein a member...  
WO/2012/099092A1
The present invention addresses the problem of providing a technique capable of efficiently and stably providing a method for producing high-purity lanthanum, the method characterized in that: a crude lanthanum oxide raw material having ...  
WO/2012/093943A1
The invention relates to a device and a method for supplying heat to a metal melt, where in a closed container (11) with openings (13,14) for supply and discharge of the melt and where a sub pressure may be formed, a rotor (16) in the fo...  
WO/2012/093724A1
The present invention relates to an alkali metal separation and recovery method comprising a step for separating filtration water containing an alkali metal from raw water containing an alkali metal using a nanofiltration membrane and a ...  
WO/2012/090843A1
An impurity separation method comprising: mounting an impurity separation device in a molten aluminum alloy, the device being provided with a flow path having a cross-sectional area less than that of the upstream and downstream flow path...  
WO/2012/077610A1
The invention relates to an alkali metal separation and recovery method that comprises separation of an alkali metal-containing permeate from raw water containing alkali metals using a nanofiltration membrane and recovery of the alkali m...  
WO/2012/074962A3
The present invention relates generally to a smelting operation or the like, by which molten metal is produced from a metal oxide after metal oxide agglomerates are directly reduced and melted with a carbonaceous material in an electric ...  
WO/2012/071640A1
The present invention relates to a novel method for producing high-purity metallurgical-grade silicon metal by leaching silicon metal and then purifying same in subsequent steps. Said method, which is the subject matter of the present pa...  
WO/2012/067061A1
A production method for high-purity lanthanum having a purity of 4N or more excluding rare earth elements other than lanthanum and gas components, the method being characterized by the production of lanthanum having a purity of 4N or mor...  
WO/2012/054478A1
Various illustrative embodiments of an apparatus and method for reducing the dissolved hydrogen content of a molten metal alloy are provided. The disclosed embodiments can be utilized for the processing of molten metal alloys such as alu...  
WO/2012/053328A1
Provided is a flange joint for a molten metal stirring body, configured so that, even if used for many hours or for an extended period of time, the flange joint can be easily detached from the shaft and does not cause the breakage of the...  
WO/2012/044205A1
The invention relates to the field of nonferrous metallurgy, and specifically to the production of pseudo β-titanium alloys comprising titanium and also the following alloying elements: molybdenum, vanadium, chromium, zirconium, iron an...  
WO/2012/024735A3
An electrolytic cell comprising, a housing having a channel extending there through and an opening formed in the housing for receiving an electrode cartridge, an inlet allowing water to pass into the channel, an outlet allowing water to ...  
WO/2012/026649A1
The present invention relates to preparing ferro molybdenum from molybdenite concentrate, and more particularly, to a method for directly preparing ferro molybdenum having copper content of 0.5% or less from molybdenite with high copper ...  
WO/2012/024735A2
An electrolytic cell comprising, a housing having a channel extending there through and an opening formed in the housing for receiving an electrode cartridge, an inlet allowing water to pass into the channel, an outlet allowing water to ...  
WO/2012/027406A3
A chamber assembly (26) for providing a sealed chamber (40) adjacent to a workpiece (28) to counteract the influence of gravity on the workpiece (28) includes a chamber housing (244), and a seal assembly (33) that expands and/or contract...  
WO/2012/018394A3
Combined microwave heating and plasma/electric arc heating is utilized in several processes and apparatus which involve co-production of pig iron and high quality syngas, biomass to liquid fuel production, coal to liquid fuel production,...  
WO/2012/018394A2
Combined microwave heating and plasma/electric arc heating is utilized in several processes and apparatus which involve co-production of pig iron and high quality syngas, biomass to liquid fuel production, coal to liquid fuel production,...  

Matches 101 - 150 out of 10,350