Class / Patent application number | Description | Number of patent applications / Date published |
075671000 | Aluminum(Al) | 28 |
20120111151 | METHOD FOR RECLAIMING LEAD - A method for reducing tin in lead bullion has the steps of adding an Arrhenius base to a kettle containing lead bullion and tin, adding a byproduct of conventional detinning to the kettle, agitating contents of the kettle, and removing a layer of slag from the kettle. The disclosed method removes tin via chemical oxidation, adds lead via chemical reduction of an oxide from the byproduct of conventional detinning, and preserves most of the antimony content of the lead bullion. | 05-10-2012 |
20120260774 | EXTRACTION OF GALLIUM AND/OR ARSENIC FROM GALLIUM ARSENIDE - Extracting gallium and/or arsenic from materials comprising gallium arsenide is generally disclosed. In some example embodiments, a material comprising gallium arsenide may be exposed to a first heating condition to form a first exhaust. The first exhaust may be directed to an arsenic collection bed including aluminum, which may form aluminum arsenide. The material including gallium arsenide may be exposed to a second heating condition and/or a vacuum may be applied, which may form a second exhaust. The second exhaust may be directed to a gallium collection bed including aluminum, which may form gallium alloys of aluminum. | 10-18-2012 |
075672000 | Treating slag or dross | 1 |
20160153068 | ALUMINIUM DROSS PROCESSING | 06-02-2016 |
075673000 | Reduction | 6 |
20080257111 | Method for Smelting Fragmentized Aluminum Scrap - A method is described for smelting fragmentized aluminum scrap, with the aluminum scrap to be smelted being molten in a furnace after thermal pre-treatment in a hot-gas stream. In order to provide advantageous process conditions it is proposed that the aluminum scrap is subjected at first in a continuous flow of material to the thermal treatment and is smelted thereafter, and that from the hot gas stream guided in a circulation for the thermal treatment of the aluminum scrap a partial stream is branched off and is guided into the furnace. | 10-23-2008 |
20120031237 | TILTING ROTARY FURNACE SYSTEM AND METHODS OF ALUMINUM RECOVERY - A tilting rotary furnace with a door assembly that seals against a furnace vessel. The seal between the door and the furnace vessel allows for regulation of the internal environment of the furnace and control over thermitting of the aluminum. As a result, aluminum recovery may be carried out without the use of salt. A portion of the door may rotate with the furnace vessel and a portion of the door may remain rotationally stationary with respect to the furnace vessel and the rotating portion of the door. | 02-09-2012 |
20130036869 | METHOD FOR PRODUCING ALUMINUM BY MEANS OF METALLOTHERMIC RECOVERY OF ALUMINUM TRICHLORIDE WITH MAGNESIUM AND A DEVICE FOR ITS REALIZATION - Here, a method has been offered of aluminum reception by means of metallothermal magnesium recovery of aluminum trichloride in the flow of inactive gas at the temperature of 900-1150° C. and the total pressure of 0.01-5 atm., the mass correlation of aluminii chloride and magnesium in the parent mix being 3.69:1.00. The process is realized in a cylinder-shaped reactor with thin-walled attachments (6) made of ceramics and located inside the reactor. The latter is supplied with a cone-like bottom part. A cauldron-evaporator of magnesium into the flow of inactive gas is mounted in front of the reactor, while behind it there is a unit for separating liquid magnesium from the residual mix of magnesium and aluminii chloride, all the components of the device having been lined inside with fireproof materials. The technical result is growth of efficiency at the expense of guaranteed uninterrupted process of recovery and the best of ecological specifications. | 02-14-2013 |
20140260805 | METHODS OF REDUCING OLD OXIDES IN ALUMINUM CASTINGS - A method of reducing entrained aluminum oxides in aluminum castings. The method comprises preheating a furnace charge to remove moisture and contaminants. The furnace charge is then coated on all free surfaces with a layer of flux. Subsequently the furnace charge is melted in a furnace to form a melt bath of liquid aluminum suitable for casting. The flux layer removes the naturally occurring oxide film from the furnace charge surface as well as provides a cover flux to protect the melt bath from oxidation. | 09-18-2014 |
075674000 | Carbothermic | 2 |
20100147113 | DECARBONIZATION PROCESS FOR CARBOTHERMICALLY PRODUCED ALUMINUM - A method of recovering aluminum is provided. An alloy melt having Al | 06-17-2010 |
20100275732 | SYSTEMS, METHOD AND APPARATUS FOR REDUCING IMPURITIES IN ELECTROLYSIS CELLS - Systems, methods and apparatus for reducing impurities in electrolysis cells are disclosed. In one approach, a method includes feeding a particulate fines feed stream to a tank, mixing particulate fines (PF) with liquid, the liquid having a first liquid and a second liquid, and separating at least some of the first liquid from at least some of the second liquid. The particulate fines (PF) may include inlet carbon fines (CF | 11-04-2010 |
075678000 | Treating molten Aluminum(Al) | 15 |
20110154953 | METHOD FOR MAKING ALUMINUM-BASED COMPOSITE MATERIAL - The present disclosure provides a method for making aluminum-based composite material. The method includes the following steps. First, a aluminum-based material in semi-solid state is provided. Second, at least one nanoscale reinforcement is added into the aluminum-based material in semi-solid state to obtain a mixture in semi-solid state. Third, the mixture in semi-solid state is heated to a mixture in liquid state. Fourth, the mixture in liquid state is ultrasonically processed. Fifth, the mixture in liquid state is cooled to obtain the aluminum-based composite material. | 06-30-2011 |
20120017726 | USE OF A TERTIARY SALT FLUX OF NACL, KCI AND MGCL2 FOR THE PURIFICATION OF ALUMINIUM OR ALUMINIUM ALLOYS, AND METHOD THEREOF - A method for the purification of a metal selected from the group consisting of aluminum and aluminum alloys, wherein said metal is in a liquid phase and is contacted with a salt flux consisting of a selected tertiary mixture of NaCl, KCl, and MgCl | 01-26-2012 |
20130025414 | METHOD AND APPARATUS FOR MELTING ALUMINUM POWDER - Provided are a method and an apparatus for melting an aluminum powder, which are capable of melting the aluminum powder with a high yield and allow the melted aluminum to be reused for a variety of applications. The method for melting the aluminum powder includes the steps of: preparing a mixture (M) including an aluminum powder (A) and a fluoride-based flux (F) by previously mixing the aluminum powder (A) and the fluoride-based flux (F); and melting the mixture (M) in molten aluminum (L). | 01-31-2013 |
20140047952 | DEVICE AND METHOD FOR REMOVING IMPURITIES IN ALUMINUM MELT - A device and method for removing impurities in aluminum melt. The device comprises an upper furnace body, a lower furnace body, an intermediate partition plate, a crucible, heating elements and a charging opening. The intermediate partition plate is mounted between the upper furnace body and the lower furnace body. The upper furnace body, a mixing chamber and the heating element are above the intermediate partition plate. The crucible is amounted in the lower furnace body. The heating element is provided around the lower furnace body. The lower furnace body is provided with the charging opening and a pipeline. The upper furnace body is provided with an inlet valve and an exhaust valve. The mixing chamber and the crucible are connected by a jet pipe passing through the intermediate partition plate. A ceramic seal pad is used for sealing between the mixing chamber and the jet pipe. During use, the aluminum melt and a liquid flux are placed in the crucible, the liquid flux covers the aluminum melt, the pressure of the lower furnace body is increased, the aluminum melt first stably enters the mixing chamber along the jet pipe, then the liquid flux enters the mixing chamber in a manner of confined jet flow and is uniformly mixed with the aluminum melt, last the pressure of the lower furnace body is unloaded, so that the mixed liquid falls back into the crucible, and this operation may be repeated for multiple times. For the device and the method, the impurity removal is quick, the efficiency is high and the process is closed, so there is no environmental pollution, and the aluminum melt after the impurity removal may be directly cast. | 02-20-2014 |
20140083253 | FLUX INJECTION ASSEMBLY AND METHOD - A flux injector apparatus and method adapted to distribute a predetermined amount of flux to an associated pool of molten aluminum. The flux injector apparatus includes a pressurized tank adapted to store and feed the flux under pressure. A feed mechanism operative to discharge a predetermined amount of flux to an outlet and a controller for monitoring and operating the apparatus. The feed mechanism includes a housing having an inner wall defining a cavity with an inlet and an outlet. A feed wheel is positioned within the cavity and operative to receive a predetermined amount of flux from the inlet, translate the flux within the cavity and discharge the predetermined amount of flux through the outlet of the pressurized tank. | 03-27-2014 |
20140238197 | SIMULTANEOUS MULTI-MODE GAS ACTIVATION DEGASSING DEVICE FOR CASTING ULTRACLEAN HIGH-PURITY METALS AND ALLOYS - An “in-line” device to continuously remove dissolved gasses from liquid metal is described. The device described herein may contain an apparatus to create a partial vacuum, one or more ultrasonic vibrators below the surface of the liquid metal to evolve gas bubbles within the metal, and a high-frequency vibrating metal plate which the fluid must pass over at a low depth. The device may be used to create high quality metals, including aluminum and aluminum alloy for a number of demanding applications such as pharmaceutical, semiconductor, foil, and aerospace applications including Aluminum-Lithium alloys. | 08-28-2014 |
075679000 | Fractional crystallization | 1 |
20100024602 | CRYSTALLISATION METHOD FOR THE PURIFICATION OF A MOLTEN METAL, IN PARTICULAR RECYCLED ALUMINIUM - Method for purifying molten metal having a specific density and including one or more foreign elements to be removed, by (a) cooling the molten metal to a eutectic temperature to simultaneously form purified metal crystals and crystals including at least one foreign element, and (b) separating at least some of the purified metal crystals from the crystals including at least one foreign element by adjusting the molten metal specific density within a range delimited by a lower value being specific density of the purified metal crystals and an upper limit being specific density of the crystals including the at least one foreign element. The molten metal specific density is adjusted to this range by addition of a metal to alter the molten metal specific density and maintained within this range during separation. The method is advantageously applicable for purification of aluminium melts from recycle aluminium and aluminium scraps. | 02-04-2010 |
075680000 | Adding gas | 1 |
20080307927 | In-Line Salt Refining of Molten Aluminium Alloys - The present invention describes an apparatus and a process for in-line substantially continuous degassing of aluminium and/or aluminium alloys, in absence of chlorine and through the injection of at least one metal halide salt that includes a halogen and water and an inert gas, in a transfer trough before casting. | 12-18-2008 |
075684000 | Adding solid | 7 |
20090288519 | Method of Manufacturing Metal-Carbon Nanocomposite Material - A method of manufacturing a metal-carbon nanocomposite material in which aluminum is used as the matrix is disclosed. The manufacturing method comprises mixing a Si-coated carbon nanomaterial ( | 11-26-2009 |
20100050815 | METHOD AND DEVICE FOR ADMIXTURE OF POWDER IN A LIQUID - A method and a device for admixture of powder in a liquid, whereby the method comprises that the liquid in a supply ( | 03-04-2010 |
20100307293 | USE OF A BINARY SALT FLUX OF NACL AND MGCL2 FOR THE PURIFICATION OF ALUMINIUM OR ALUMINIUM ALLOYS, AND METHOD THEREOF - A method for the purification of a metal selected from the group consisting of aluminum and aluminum alloys, wherein said metal is in a liquid phase and is contacted with a salt flux consisting of a binary mixture of NaCl and MgCl | 12-09-2010 |
20100313712 | Aluminum-based master alloy for manganese alloying of metal alloys, method for producing thereof and use thereof - The invention concerns an aluminum-based master alloy for manganese alloying of metal alloys and a method for producing thereof, and use thereof for production of the metal alloys. The master alloy is aluminum and manganese (Al—Mn) alloy in form of splatters, which contains the following components in mass %: Mn 77-93, other components in total 0-5, Al— the rest. The method for producing the master alloy is characterized in that the temperature for adding the manganese to the liquid metal is in the range from 660 to 1600° C., and the cooling rate of the alloy during casting is in the range of 50-1500° C./sec for obtaining splatters of the master alloy. Thickness of splatters is in the range of 1-10 mm. The master alloys AlMn80 and AlMn90 are designed to be used for manganese alloying of metal alloys, whereas the temperature for adding the master alloy in the liquid metal is in the range from 600 to 850° C. Master alloy and the method according to the invention provides high concentration of manganese in the master alloy, high dissolution rate of the master alloy in the liquid metal and high recovery degree of master alloy when used for alloying metals. | 12-16-2010 |
20140283651 | METHOD OF PRODUCTION OF ALUMINUM ALLOY WITH REFINED Al-Fe-Si-BASED COMPOUNDS AND PRIMARY CRYSTAL Si - A method of production of inexpensive aluminum alloy is provided which enables precipitation of fine particles of Al—Fe—Si-based compounds and primary crystal Si to an aluminum alloy melt which is comprised of Si: 10 to 20 mass %, Fe: 0.5 to 4 mass %, P: 0.003 to 0.02 mass %, and further, if necessary, one or more of Mn, Ni, and Cr or furthermore, if necessary, one or more of Mg, Ti, Cr, Zr, and V, and has a balance of Al and unavoidable impurities. To the melt is added 0.01 to 1 mass %, in terms of silicide, of a substance, which includes fine particles of a metal silicide which are present as a solid phase in the melt, when the Al—Fe—Si-based compound is crystallized. | 09-25-2014 |
20150344992 | MANUFACTURING METHOD OF ALUMINUM ALLOY IN WHICH AL-FE-SI COMPOUND IS REFINED - A manufacturing method of an inexpensive aluminum alloy that allows fine crystallization of the Al—Fe—Si compound and primary Si by employing a convenient and efficient means. To a molten aluminum alloy including 8 to 20% by mass of Si; 0.5 to 4% by mass of Fe; and, as necessary, at least any one of Mn and Cr; at least any one of Ni, Cu, and Mg; P; and the balance being Al and impurities, AlB | 12-03-2015 |
20160108496 | ROTARY INJECTOR AND PROCESS OF ADDING FLUXING SOLIDS IN MOLTEN ALUMINUM - A rotary injector comprising an elongated shaft having a proximal end and a distal end, and an impeller at the distal end of the elongated shaft, the elongated shaft and the impeller being collectively rotatable during operation around an axis of the shaft, the rotary injector being hollow and having an internal supply conduit extending along the shaft and across the impeller, the supply conduit having an inlet at the proximal end of the shaft, a main portion extending from the inlet to a discharge portion, the discharge portion extending to an axial outlet, the discharge portion having a narrow end connecting the main portion of the supply conduit and a broader end at the axial outlet. | 04-21-2016 |
075686000 | Melting Aluminum(Al) | 4 |
20110296953 | Method of Co-Firing Raw Glycerin in a Melting Furnace - A method of firing a melting furnace to which flux or fining additions are made, comprising supplying the burner systems with a fuel mixture containing at least | 12-08-2011 |
20130000450 | TILTING ROTARY FURNACE SYSTEM AND METHODS OF ALUMINUM RECOVERY - A tilting rotary furnace with a door assembly that seals against a furnace vessel. The seal between the door and the furnace vessel allows for regulation of the internal environment of the furnace and control over thermitting of the aluminum. As a result, aluminum recovery may be carried out without the use of salt. A portion of the door may rotate with the furnace vessel and a portion of the door may remain rotationally stationary with respect to the furnace vessel and the rotating portion of the door. | 01-03-2013 |
075687000 | Scrap | 2 |
20100275733 | METHOD OF REGENERATING METAL, REGENERATED METAL, MATERIAL FOR LITHOGRAPHIC PRINTING PLATE BASES, AND LITHOGRAPHIC PRINTING PLATE - A metal regeneration method including: a melting furnace cleaning step of melting pure aluminum with an aluminum content of 99.5% by weight or higher in a melting furnace to clean the inside of the melting furnace; and a metal regeneration step of melting waste lithographic printing plates selected from unused lithographic printing plates and used lithographic printing plates, in the melting furnace whose inside has been cleaned by the melting furnace cleaning step, to obtain regenerated metal. | 11-04-2010 |
20130199338 | METAL RECOVERY FROM CONTAMINATED METAL SCRAP - A metal reclaiming system and method for reclaiming metal from scrap material is provided. The system has a furnace ( | 08-08-2013 |