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Patent Searching and Data


Matches 201 - 250 out of 3,170

Document Document Title
WO/2006/056698A2
A sintered refractory block based on silicon carbide (SiC) with a silicon nitride (Si3N4) bond, for the manufacture of a aluminium electrolysis vessel, characterized in that it comprises, expressed in percentage by weight, at least 0.05 ...  
WO/2006/037999A3
A method for producing a metal, metalloid or alloy from a metal oxide, metalloid oxide or mixture of oxides of alloying elements forming a working electrode, by electrolysis in a fused salt or mixture of salts in the presence of a counte...  
WO/2006/037999A2
A method for producing a metal, metalloid or alloy from a metal oxide, metalloid oxide or mixture of oxides of alloying elements forming a working electrode, by electrolysis in a fused salt or mixture of salts in the presence of a counte...  
WO/2006/031098A1
Method and apparatus for the extraction of gibbsite (Al2O3.3H2O) from bauxite. A double extraction method is used wherein the first extraction constitutes any low temperature digestion technology with solid-liquid separation temperature ...  
WO/2006/010224A1
A process for producing a metal from the corresponding metal halide by reaction of the metal halide at elevated temperature in a reactor comprising a fluidised bed, the fluidised bed comprising seed particles of an inert material that ha...  
WO/2005/118893A2
The present invention relates to a method of recycling aluminum clad materials. In particular, the method relates to recycling clad materials such as brazing sheet comprised of two or more aluminum alloys, by selective melting of one of ...  
WO/2005/118891A3
Salt composition for protecting, refining and/or recycling molten magnesium or magnesium alloys, whereby the salt composition consists of halogenides of strontium, potassium, cesium or mixtures thereof.  
WO/2005/118891A2
Salt composition for protecting, refining and/or recycling molten magnesium or magnesium alloys, whereby the salt composition consists of halogenides of strontium, potassium, cesium or mixtures thereof.  
WO/2005/113844A1
A graphite electrode for an electrothermic reduction furnace in which aluminum is produced by carbothermic reduction of alumina is rendered substantially gas­impermeable. The graphite electrode is consumed during furnace operation and e...  
WO/2005/114079A2
An inner lining for the steel shell of a carbothermic reduction furnace for the production of alumina has a base layer of graphite and a coating layer of refractory material. The refractory material is corundum (AI2O3) bound by Sialon (S...  
WO/2005/114079A3
An inner lining for the steel shell of a carbothermic reduction furnace for the production of alumina has a base layer of graphite and a coating layer of refractory material. The refractory material is corundum (AI2O3) bound by Sialon (S...  
WO2005092563A3
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/2005/112511A1
Graphite electrodes for the production of aluminum by carbothermic reduction of alumina are either submerged in the molten bath in the low temperature compartment or they are horizontally arranged in the side walls of the high temperatur...  
WO/2005/106054A1
The invention relates to a vessel (1) for preventing or minimizing the melting loss of, in particular, aluminum drosses and/or aluminum alloy drosses (K). To this end, the vessel (1) consists of a tank-like lower part (2) and of a cover ...  
WO/2005/103335A1
The present invention relates to a prefabricated refining device and a method for cleaning molten aluminium. The invention also relates to the process of fabrication of the device. The prefabricated refining device comprises a metallic t...  
WO2004074523A3
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/2005/103311A1
A method is described for reclaiming an Al-B4C composite scrap material. The method involves heating a liquid pool of molten aluminum while also pre-heating the scrap material. The scrap material is then added to the molten aluminum and ...  
WO/2005/095658A1
The invention relates to a method for the purification of a molten metal containing one or more foreign elements. The invention is characterised in that the molten metal is cooled to a eutectic temperature to simultaneously form purified...  
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...  

Matches 201 - 250 out of 3,170