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Matches 101 - 150 out of 10,575

Document Document Title
WO/2014/099813A1
A method for desulfurizing a metal alloy comprises heating the metal alloy to a molten state. A gaseous desulfurizing compound is bubbled through the molten alloy to form a solid sulfur-containing waste phase and a molten reduced-sulfur ...  
WO/2014/082842A2
A spreading device (10) for the spreading of bulk material on a circular surface comprises a distribution plate (12) mounted about a central shaft (14); at least one radially extending slit (16) arranged in the distribution plate (12); a...  
WO/2014/082842A3
A spreading device (10) for the spreading of bulk material on a circular surface comprises a distribution plate (12) mounted about a central shaft (14); at least one radially extending slit (16) arranged in the distribution plate (12); a...  
WO/2014/075148A1
A heap of a material to be leached to recover a valuable metal from the material includes an electromagnetic heating system to generate heat in situ in the heap.  
WO/2014/069357A1
Provided is a bismuth characterized in that the bismuth emits 0.01 cph/cm2 or less of α rays. Also provided is a method for producing a low α-emitting bismuth, characterized in that a titanium cathode and a bismuth anode are introduced...  
WO/2014/062063A1
The publication relates to a method for melting solid metal, such as scrap aluminum, where the solid material is placed in a closed, insulated container (12) of a material having refractory qualities, the container (12) being provided wi...  
WO/2014/057541A1
Provided is a method, whereby rare earth elements can be easily separated at a high separation ratio from a mixture containing multiple kinds of rare earth elements, and a separation device for conducting the method. The method for separ...  
WO/2014/057922A1
Provided is a method whereby rare earth elements can be separated from a rare earth magnet in a simple manner with a high separation rate, and a separating device for carrying out said method. The rare earth element separation method acc...  
WO/2014/046593A1
A method for recovery of evaporable substances comprises melting (210) of a material comprising evaporable metals and/or evaporable metal compounds into a molten slag. The molten slag is agitated (212) by a submerged jet of hot gas. The ...  
WO/2014/030369A1
Provided is an alumina- or magnesia-reducing process in which a greenhouse effect gas or a substance harmful to the human body is not emitted and which can achieve an improved energy efficiency in comparison with the Hall-Héroult method...  
WO/2014/026419A1
A molten metal antioxidant biological reducing agent comprises polyethylene glycol oleate, a thermophilic enzyme, a lipase, ammonium dihydrogen phosphate, ethylene diamine tetramethylene phosphonate acid and phytoncid. The molten metal a...  
WO/2014/028161A1
A method for reducing impurities in magnesium comprises: combining a zirconium-containing material with a molten low-impurity magnesium including no more than 1.0 weight percent of total impurities in a vessel to provide a mixture; holdi...  
WO/2014/017206A1
Provided is a technology whereby an electron beam can be radiated precisely to a predetermined position with respect to a hearth situated in an electron beam smelting furnace or a molten metal pool formed in a casting mold. This method i...  
WO/2014/018750A1
A ceramic foam filter and method of making the filter is described. The filter comprises: a sintered reaction product of: 35-75 wt% aluminosilicate; 10-30 wt% colloidal silica; 0-2 wt% bentonite; and 0-35 wt% fused silica; wherein the ce...  
WO/2014/005560A1
A rotational device for refining metal melts has a cylindrical rotor (1) fastened to a hollow shaft (2), which rotor is formed from two parallel discs (3, 4) connected to radial partitions (5), and has a central void (6), which is open a...  
WO/2013/187348A1
Provided is a metal chrome fabrication method in which the chrome recovery yield can be increased and the iron content and P content of the metal chrome that is fabricated as a product can be reduced. This metal chrome fabrication method...  
WO/2013/185007A1
A method of improving the efficiency in delivery of a cryogenic liquid (10, 160) to the surface of a metal body in a furnace, the method comprising the steps of a) causing a flow of the liquid cryogen i) from a source of the liquid cryog...  
WO/2013/168214A1
The present invention addresses the problem of providing an aluminum refining apparatus that enables a reduction in refining time and an increase in yield. This aluminum refining apparatus (1) is provided with: a vessel (10) with a botto...  
WO/2013/168213A1
The present invention addresses the problem of providing an aluminum refining apparatus that enables a reduction in refining time and an increase in yield. This aluminum refining apparatus (1) is provided with: a vessel (10) with a botto...  
WO/2013/159201A1
A process for producing technetium-99m from a molybdenum-100 metal powder, comprising the steps of: (i) irradiating in a substantially oxygen-free environment, a hardened sintered target plate coated with a Mo-100 metal, with protons pro...  
WO/2013/160754A8
An apparatus and method are described for effectively priming a non-electrically conductive filter for removal of solid inclusions from liquid metal. In one embodiment, the ceramic filter media is surrounded by a low frequency induction ...  
WO/2013/161087A1
This invention is provided with: a molten metal heat retention device (100) having a first furnace wall (120) and a heater (180) capable of causing the molten metal to retain heat, the molten metal heat retention device (100) capable of ...  
WO/2013/160754A1
An apparatus and method are described for effectively priming a non-electrically conductive filter for removal of solid inclusions from liquid metal. In one embodiment, the ceramic filter media is surrounded by a low frequency induction ...  
WO/2013/158607A1
A metal scrap submergence device comprising an open top chamber including walls of a heat resistant material, an inlet positioned in a side wall of the chamber, an outlet positioned in the base of said chamber, and a ramp adjacent said s...  
WO/2013/155497A1
A bubble pump having an interior formed from a material that is resistant attack by molten aluminum. The interior surface may be formed from a ceramic. The ceramic may be selected from the group consisting of alumina, magnesia, silicate,...  
WO/2013/141983A1
A method and system is used to process slag material to yield byproducts including a finished iron rich product and a finished low iron fines product. The by-products may include a finished high iron product and a finished medium iron pr...  
WO/2013/133172A1
The purpose of the present invention is to provide a hydrometallurgical method for nickel oxide ore, in which the plant can be smoothly started after completion of a periodic inspection because zinc sulfide separation imposes no load on ...  
WO/2013/133748A1
An iron production furnace equipment (1) has a melting reactor (2) into which iron oxide-containing raw material (4) and slag formers (5) are added. A melter arrangement (22) melts the iron oxide-containing raw material and transforms th...  
WO/2013/122069A1
High-purity titanium ingots with a purity of at least 99.99% by mass, excluding added elements and gas components. Said titanium ingots are characterized by containing an added component consisting of a total of 0.1 to 100 ppm by mass of...  
WO/2013/118695A1
Provided is a method for separating a heavy metal from a glass with high efficiency and at low cost. The present invention provides a method for separating a heavy metal from a glass containing a heavy metal oxide and a silica, comprisin...  
WO/2013/117498A1
1. The present invention concerns a gas purging plug (1) for blowing gas into a metallurgical vessel comprising: 2. (a) An elongated body (2) made of a first refractory material and extending from a first, inlet end (2a) to a second, out...  
WO/2013/117498A9
1. The present invention concerns a gas purging plug (1) for blowing gas into a metallurgical vessel comprising: 2. (a) An elongated body (2) made of a first refractory material and extending from a first, inlet end (2a) to a second, out...  
WO/2013/117529A1
A system (100) for remelting consumable electrodes (9) can be operated both as a vacuum arc furnace and as an electro-slag remelting system, wherein the system (100) has both a direct current (26) and an alternating current source (27), ...  
WO/2013/107644A1
A starting material (2) in the form of a magnesium-containing metal melt is present together with the upper region (32) of a condensation vessel (3) in the upper region (11) of a retort (1) heated by the external heating element (5), and...  
WO/2013/099365A1
A cooling body (100) has a hollow rotating shaft section (120), and a hollow immersion section (110), which is a portion communicated with the rotating shaft section (120), and immersed in a molten semiconductor or a molten metal. The im...  
WO/2013/102127A3
A filter is provided which is structured to discourage passage of a contaminant in a molten material. The filter can be designed to block a range of contaminants. For example, a passage can be formed within the filter and structured to d...  
WO/2013/098044A1
The present invention relates to a method for recovering a metal from a slag containing the metal, in which the metal-containing slag is heated in at least one stirred tank reactor (2), and in which the liquid slag in the stirred tank re...  
WO/2013/099471A1
In a molten-metal filtration apparatus (10), one or a plurality of porous ceramic filtration tubes (41) having an opening (43) on one end, the other end being closed, are disposed inside a container body (20) for retaining molten metal s...  
WO/2013/093055A1
The invention relates to an electron-beam melting furnace and to a method for operating an electron-beam melting furnace comprising a plurality of crucible devices (24), which in each case have at least one crucible (22, 23) with a cruci...  
WO/2013/088784A1
The problem addressed by the present invention is to refine a metal to a high purity in order to improve quality. This metal purification method is provided with: a melting step in which a metal containing impurities is melted; an immers...  
WO/2013/084672A1
The present invention is a method for producing calcium of a high purity, the method being characterized by the following: performing first sublimation and purification by introducing a calcium starting material having a purity, excludin...  
WO/2013/080576A1
 A manufacturing method for a metal, the method including a floating-contaminant removal step in which: a component for removing floating-contaminant is immersed in a metal melt inside a crucible; the surface of the metal melt is made ...  
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 ...  

Matches 101 - 150 out of 10,575