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Matches 201 - 250 out of 3,128

Document Document Title
WO/2005/092563A2
The invention relates to non-corrosive auxiliary agents based on alkali fluoroaluminates, for soldering aluminium and for refining aluminium alloys, to their production and to their use. According to the invention, said non-corrosive aux...  
WO/2005/090620A1
The invention relates to a rotary drum-type kiln for remelting aluminium in a protection bath consisting of a salt melt. Said kiln comprises stirring bodies (3) which are fixed to the wall of the kiln (1) and project inwardly over the fi...  
WO2005047552B1
A dross compression apparatus (1) and method includes one or more air nozzles (22) for directing cooling air across the top of a compression head (2) for cooling the compression head. The air may be vented through air vents (18) in a wal...  
WO/2005/085732A1
The invention relates to a method for processing aluminium in a furnace consisting in introducing an aluminium-containing material and possibly one or several types of salt into the furnace, melting said material by heating with the aid ...  
WO/2005/080615A1
A method of maintaining the life of a porous filter when refining a metal melt by controlling the formation of a filter cake thereon, the method comprising passing liquid metal through a porous filter and adding a filter cake formation a...  
WO/2005/078145A1
A process of producing aluminium and aluminium-containing materials from a solid aluminium-containing feed material is disclosed. The process comprises leaching the aluminium-containing feed material with a leach liquor and forming an aq...  
WO2005022060A3
The electrode arrangement uses vertically oriented electrodes (4) with side wall contacts (7) for an electrothermic smelting furnace (1) for aluminum production. The side wall contacts (7) are radially moveable into the furnace (1) to co...  
WO2005047552A3
A dross compression apparatus (1) and method includes one or more air nozzles (22) for directing cooling air across the top of a compression head (2) for cooling the compression head. The air may be vented through air vents (18) in a wal...  
WO/2005/056843A1
In a method for recovering Al from an off-gas (3,4) produced during carbothermic reduction of aluminum utilizing at least one smelter (1,2), the off-gas (3,4) is directed to an enclosed reactor (5) which is fed a supply of wood charcoal ...  
WO/2005/054521A1
A material scrap submergence device comprises a body (10) of heat resistant and/or a refractory material that includes a side wall (12) and a base (14) that define a submergence chamber (10). The refractory body (10) can include passages...  
WO/2005/052219A1
Described is an apparatus for the production of an elemental metal from a metal-containing compound comprising a solution containing ions of a first metal and a second metal, wherein the second metal is in colloidal form, and a related m...  
WO/2005/049875A1
Method of cooling an at most partially solidified molten metal during fractional crystallisation wherein metal crystals formed have a purer composition than that of the molten metal characterised in that salt in solid form is used to coo...  
WO/2005/047552A2
A dross compression apparatus (1) and method includes one or more air nozzles (22) for directing cooling air across the top of a compression head (2) for cooling the compression head. The air may be vented through air vents (18) in a wal...  
WO/2005/031234A1
The invention relates to an industrial oven which is used to melt non-ferrous metals and for gas treating non-ferrous metals.  
WO2004111281A3
A degasser (10) for molten metal with a microporous plate (11). The microporous plate has at least one internal passageway (13) and an interface tube (12) attached to the microporous plate in flow communication with the internal passagew...  
WO/2005/023429A1
A method of recycling aluminum alloy wheels, the method comprises providing a feed of aluminum alloy wheels of a particular alloy; subjecting the aluminum alloy wheels to x-ray separation to remove contaminates; fragmenting the aluminum ...  
WO/2005/022060A2
The electrode arrangement uses vertically oriented electrodes (4) with side wall contacts (7) for an electrothermic smelting furnace (1) for aluminum production. The side wall contacts (7) are radially moveable into the furnace (1) to co...  
WO/2004/113230A1
The present invention relates to a zero-waste process for extraction of alumina from diffĂ©rent types of bauxite ores and red mud residues and of titanium dioxide from ilmenite. Iron oxide is first reduced to metallic iron above the melt...  
WO/2004/111281A2
A degasser (10) for molten metal with a microporous plate (11). The microporous plate has at least one internal passageway (13) and an interface tube (12) attached to the microporous plate in flow communication with the internal passagew...  
WO/2004/108974A1
The invention relates to a method for reducing harmful compounds in the waste gases of a burner-fired melting furnace (1). According to said method, melting charge (2) is fed into the furnace (1) and is impinged upon by heat there by mea...  
WO/2004/108975A1
The invention relates to a method for reducing the amount of noxious compounds in the waste gases of a burner-heated smelting furnace (1) during which material (2) to be molten is introduced into the furnace (1) and is heated therein by ...  
WO2004085686A3
The invention relates to a method of recovering a metal from a mixture comprising more than one metal. According to the invention, the methods comprises the steps of (a) melting the mixture to produce a melt (1); (b) passing the melt ove...  
WO/2004/101830A1
Processing apparatus and methods for introducing material into a molten metal are provided. The material is introduced through a tube, which leads into the molten metal flow between the exit from a chamber and the entry back into a chamb...  
WO/2004/099453A1
The invention relates to a method for the treatment of aluminum in a furnace, wherein a material containing aluminum and optionally one or several salts is introduced into the furnace, the material is melted by adding heat with the aid o...  
WO/2004/099769A1
A device is provided for measuring metal inclusions comprising a receptacle for holding a sample of molten metal, with this receptacle having insulated side walls and a bottom wall provided with an exit opening. A ceramic filter element ...  
WO2001034858A9
A carbothermal process for the production of metals such aluminium, silicon, magnesium and the like from metal compounds, characterised in that the metal compound(s) such as oxide(s) or hydroxides are heated by combustion gases and inter...  
WO/2004/094679A1
Recycle friendly aluminum alloys are described which are variants of AA 3000 and AA 5000 series alloys containing higher than usual amounts of silicon and iron. The alloys contain in percentages by weight, more than 0.6 - 2.0% silicon, 0...  
WO/2004/090177A1
This invention relates to a method for preventing the ignition of molten reactive metal by contacting the molten metal with a gaseous mixture comprising a fluorocarbon selected from the group consisting of perfluoroketones, hydrofluoroke...  
WO/2004/085686A2
The invention relates to a method of recovering a metal from a mixture comprising more than one metal. According to the invention, the methods comprises the steps of (a) melting the mixture to produce a melt (1); (b) passing the melt ove...  
WO/2004/086279A1
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 ...  
WO/2004/083469A1
In a process for the melting of an aluminum charge in a melting furnace, the A1 charge contains organic materials or an organic charge is provided into the furnace. The combustion of the organic charge is carried out with an oxyfuel burn...  
WO/2004/083470A1
A raw material for aluminum refining, characterized in that it comprises a peritectic element forming a peritectoid with aluminum and boron, wherein it contains boron in an amount being excessive by 5 to 80 mass ppm to a total chemical e...  
WO/2004/081246A1
A hollow partition wall (4) is employed to feed carbon material to an underflow of a carbothermic reduction furnace used to make aluminum. The partition wall (4) divides a low temperature reaction zone (2) where aluminum oxide is reacted...  
WO/2004/079024A1
The invention relates to an aluminium dross cooling method and installation, in which the dross is compacted in a mould. According to the invention, the dross is vibrated during the compaction operation. For said purpose, the compaction ...  
WO/2004/074523A2
A metal melting closed furnace which includes a main chamber (22), a circulation well (28) connected to the main chamber (22) by a communications passageway (32) and a vortex well (84) having an exit outlet for molten metal into the main...  
WO/2004/067210A1
A method of dispensing or pouring molten metal, e.g., aluminum, from a container or vessel, the flow rate controlled to minimize splashing of the molten aluminum exiting the container, the method comprising the steps of providing a conta...  
WO/2004/063653A1
Plant for the melting of primary and secondary aluminium, provided with a rotating furnace, internally equipped with a spiral element (11), that realizes the melting of the aluminium not using a salty bath, in association with a channel ...  
WO/2004/057045A1
The invention relates to a rotary device for dispersing a gas in a molten metal. The device comprises a hollow shaft (20) at one end of which is attached a rotor (22). The rotor (22) has a roof (24) and a base (26) which are spaced apart...  
WO2002090605A8
A method for processing alumina-bearing ores such as bauxite to recover iron, aluminum, silicon and titanium metal values therefrom the method comprising the steps of adding the alumina-bearing ores to a digester containing an acid to pr...  
WO/2004/035238A1
A method of treating a spent potliner after use in an aluminium smelting process, the method comprising crushing and classifying the spent potliner, placing the classified and crushed spent potliner in a furnace at a temperature greater ...  
WO/2004/031274A1
A process of recovery of useful constituents from multi-layered laminated fragments of packaging industrial refuse in sheet, tube or shredded form from each other as separate constituents comprising treating the comminuted fragments with...  
WO/2004/031451A1
A cathode block for aluminum refining containing a calcined coke in a proportion of 15 to 100 wt %, characterized in that the calcined coke is prepared by mixing a heavy oil having a content of quinoline insoluble components of 10 to 25 ...  
WO/2004/029307A1
The invention relates to a rotor, a device, and a method for introducing fluids into a molten bath. Molten baths are often degassed by introducing a liquid. In known trough degassers, rotors are arranged in the flowing melt and are used ...  
WO/2004/020679A1
The invention relates to a device (8) which is used to inject a treatment gas into a molten metal contained in a tank (1) and which is designed to be fixed in one of the walls of said tank. The inventive device comprises at least one inj...  
WO/2004/015152A1
The invention relates to the use of at least one hydride forming agent introduced into the melted mass of a light metal or a light metal alloy, for binding the hydrogen contained in said melted mass.  
WO/2004/005559A1
The invention relates to a method for fractional crystallisation of an at most partially solidified molten metal, in which a layer of at most partially solidified molten metal having an upper surface und a lower surface is divided into a...  
WO/2004/005558A1
The invention relates to a method for fractional crystallisation of an at most partially solidified molten metal. According to the invention a layer of at most partially solidified molten metal to be crystallised is cooled by a layer of ...  
WO/2004/001078A1
Method and device for purifying a stream of molten metal. A conical chamber that acts a cyclone has been defined in a block of refractory material. The stream to be purified is introduced between the two ends of the conical chamber havin...  
WO2003078067A3
The invention relates to a method for processing a heap of debris, mill scale or similar material, particularly wastes containing aluminum such as cuttings, which is/are fouled by oil and accumulates during industrial processes. Accordin...  
WO/2003/106715A1
An apparatus for dispensing a molten material from a reservoir of molten material (102) includes a dispensing chamber (100) in communication with the reservoir (102) and a first valve (104) adapted to regulate communication of the dispen...  

Matches 201 - 250 out of 3,128