Patents for C22B 21 - Obtaining aluminium (4,001)
08/2002
08/22/2002WO2002020859A3 Method for the salt-free, non-oxidizing remelting of aluminum, the alloys thereof and aluminum scrap metals
08/22/2002US20020114748 Recycling of spent pot linings
08/21/2002EP1232289A1 Method of applying marking agent to aluminum sheet for scrap sorting purposes
08/20/2002US6436337 Substantially less hydrocarbon based fuel is required than conventional combustion systems without a loss of energy output; furnace
08/14/2002EP1231002A1 Blanketing metals and alloys at elevated temperatures with gases having reduced global warming potential
08/14/2002CN1363700A Equipment for removing non-metal impurities from molten aluminium
08/07/2002EP1228000A1 Production of fumed silica
08/07/2002CN1362533A Stirring active flux for filtering purification to elimiante foreign impurity from aluminium melt
08/07/2002CN1362531A Filtering process of eliminating non-metallic foreign impurity ion aluminium melt
08/01/2002WO2002058864A1 Molten metal holder furnace and casting system incorporating the molten metal holder furnace
08/01/2002WO2002058863A1 Pressurized molten metal holder furnace
08/01/2002WO2002058862A2 Recirculating molten metal supply system and method
07/2002
07/30/2002CA2181037C Gas treatment of molten metals
07/25/2002WO2002057502A2 Treatment of molten metal with a particulate agent using a mixing impeller
07/25/2002US20020096810 Process for cleaning and purifying molten aluminum
07/25/2002US20020096476 Separation method of goethite-containing red mud
07/25/2002US20020096231 Metal alloy compositions and process
07/25/2002CA2435369A1 Treatment of molten metal with a particulate agent using a mixing impeller
07/24/2002EP1225236A1 Process and apparatus for continuous vacuum purification of molten metal
07/24/2002EP1224972A1 A method for recovering catalytic metals from a colloidal solution
07/24/2002CN1360067A Process for purifying raw aluminium by changing liquid, directional solidification and conticasting
07/16/2002US6419755 Chemical delacquering process
07/11/2002US20020089099 Molten metal holding furnace baffle/heater system
07/11/2002US20020088307 Process and apparatus for adding particulate solid material to molten metal
07/10/2002CN1357641A Rotating shaft/nozzle in copmosite strucure and its manufacture
07/10/2002CN1357640A Metal melt filtering and crystal grain refining agent adding mechanism
07/09/2002CA2251230C Rotary gas dispersion device for treating a liquid aluminium bath
07/03/2002EP0784193B1 Metal fusion furnace and metal fusing method
07/02/2002US6412642 Method of applying marking to metal sheet for scrap sorting purposes
07/02/2002CA2059879C Waste treatment process
06/2002
06/27/2002DE10060951A1 Verfahren zum Einschmelzen von Metallschrott A process for melting scrap metal
06/26/2002EP1217084A2 Apparatus for the filtration and addition of grain refining agent to melts
06/25/2002US6409798 Process for recovering metal material from waste material
06/20/2002US20020074700 Swivel base tilting rotary furnace
06/18/2002US6406515 Crystallization; compaction
06/13/2002US20020070122 Production, refining and recycling of lightweight and reactive metals in ionic liquids
06/12/2002EP1213364A2 Method of smelting metal scrap such as aluminium using an oxygen-fuel burner
06/11/2002US6401635 Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material
06/04/2002US6398845 Method for purifying aluminum
06/04/2002US6398844 Blanketing molten nonferrous metals and alloys with gases having reduced global warming potential
05/2002
05/30/2002WO2002042502A2 Method and equipment for handling dross and recovering the non-ferrous metals contained therein
05/23/2002DE10058789A1 Process for working-up oiled-up debris, scale and other similar material comprises feeding a scrubbing liquor with a flow of the debris through a scrubbing device, desiccating, drying and passing the scrubbed debris through a drying region
05/16/2002US20020056677 Device for filtering and adding grain refining agent to metal melts
05/16/2002DE10110113C1 Gas dosing module used for introducing a gas into a non-ferrous metal melt, especially an aluminum melt comprises a control block and a controller with a nozzle having a fitting with a peripheral outer edge and a recess
05/14/2002US6387154 Process for separating molten metals
05/10/2002WO2002036493A1 Method of separating red mud containing goethite
05/09/2002CA2362015A1 Device for filtering and adding grain refining agent to metal melts
05/02/2002EP1200344A1 Method of recovering fumed silica from spent potliner
04/2002
04/30/2002US6379418 Recycle of scrap aluminum
04/30/2002US6378847 Monolithic ceramic gas diffuser for injecting gas into a molten metal bath
04/25/2002WO2002033137A1 Rotary gas dispersion device for treating a liquid metal bath
04/25/2002CA2426268A1 Rotary gas dispersion device for treating a liquid metal bath
04/24/2002EP1198438A1 Silicon nitride materials and components made therefrom for processing molten light metal masses
04/24/2002EP1198314A1 Distributor device for use in metal casting
04/23/2002US6375712 Subliming a source of fluoride through a rotating impeller in a gas stream through the periphery of the impeller to decrease the concentration of impurities; particulate aluminum fluoride and/or sodium aluminum tetrafluoride
04/18/2002DE10055523C1 Unit for filtration of, and finings addition to molten metal, includes filter, fining material addition station and second filter
04/17/2002EP0745144B2 Method for recovery of non-ferrous metals from scrap and dross
04/04/2002US20020038581 Process and device for purification of aluminum by segregation
04/03/2002EP1192425A1 Measuring and controlling the flow of flowable materials
04/03/2002EP1192289A1 Improved method and device for degasing and separation of inclusions in a liquid metal bath by injection of gas bubbles
03/2002
03/27/2002EP1190203A1 Protection coating of wear-exposed components used for refining molten metal
03/26/2002US6361580 Continuous process for manufacturing aluminum metal from aluminum oxide and reducing gas (hydrocarbon gases like methane, carbon monoxide, or hydrogen) with valuable by-products; more efficient and economical process
03/21/2002WO2002022900A2 Process and rotary device for adding particulate solid material and gas to molten metal bath
03/14/2002WO2002020860A1 Method and apparatus for fluxing molten metal using shaft design
03/14/2002WO2002020859A2 Method for the salt-free, non-oxidizing remelting of aluminum, the alloys thereof and aluminum scrap metals
03/14/2002US20020029656 Carbothermic aluminum production using scrap aluminum as a coolant
03/14/2002DE10041717A1 Support body used for preparing additives during metal casting comprises a porous body made of ceramic foam containing the additives, and through channels provided in the porous body for introducing metal melts
03/12/2002US6355090 Method of manufacturing aluminum alloy for flattening material and aluminum alloy flattening material for automobiles
03/12/2002US6355085 Method and device for separating particles from an electrically conductive liquid flow using electromagnetic forces
03/07/2002US20020027304 Agglomeration of alumina and binder therefor
03/05/2002US6352675 Adding low molecular weight dithiocarbamate to bayer liquid; complexing with zinc; settling, precipitation, separation
02/2002
02/27/2002EP1181396A1 Aluminium alloy sheet
02/27/2002CN1079686C High capacity filter
02/13/2002CN1335894A Method and device for purifying aluminium by segregation
02/07/2002WO2001083836A3 Protection of molten magnesium with a cover gas using fluorocarbons
02/05/2002CA2155491C Removal of suspended particles from molten metal
01/2002
01/29/2002CA2038767C Metallic vapor condenser capable of circulating a liquid metal
01/15/2002US6338446 Removal of coating layer, cores, agitation with abrading elements
01/10/2002DE10031988A1 Verfahren und Anlage zur Aufbereitung von beim Sprühkompaktieren in Form von Pulver anfallendem metallischem Overspray-Material Method and apparatus for processing accumulating during spray in the form of powder overspray metallic material
01/09/2002EP1170395A1 Process and apparatus for treating the pulverized metallic overspray-material during spray compacting
01/09/2002CN1330613A Method for producing molten salts with extruder and use of molten salts
01/08/2002US6336955 Adding magnesium, blowing chloride gas; used in refining
01/02/2002EP1167557A1 Method of eliminating phosphorus and/or antimony from molten aluminum
01/02/2002EP1167556A2 Process for recovery of aluminium from aluminium-bearing solid waste materials by lixiviation
12/2001
12/27/2001WO2001051676A3 Device and method for obtaining raw materials from liquid slag
12/26/2001CN1328532A Ceramic product based on lithium aluminium silicate
12/18/2001US6331269 Inert tank for treating oxidizable liquid metal
12/13/2001US20010051121 Process for treating alumina-bearing ores to recover metal values therefrom
12/12/2001CN2464736Y Aluminium stirring machine
12/05/2001CN1325460A Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material
12/04/2001CA2221194C Method and apparatus for continuous in-line gas treatment of molten metals
11/2001
11/29/2001US20010045378 Method of applying marking to metal sheet for scrap sorting purposes
11/28/2001CN1324444A Melting/retaining furnace for aluminium ingot
11/28/2001CN1324328A Feed processing for improved alumina process performance
11/27/2001US6322729 Depositing a first batch of ceramic material in a mold, firing, forming first region of gas diffuser having first gas flow characteristics, similarly second region is formed with second gas flow characteristics; an interconnected pores
11/22/2001US20010042929 Monolithic ceramic gas diffuser for injecting gas into a molten metal bath
11/21/2001EP0879087B1 Method and device for separating particles from an electrically conductive liquid flow using electromagnetic forces
11/21/2001CN1322853A Method of purifying aluminium melt under rotary magnetic field
11/14/2001EP1152982A1 Method for producing molten salts with an extruder and use of the molten salts
11/14/2001EP1152854A1 Method and device for producing cast parts consisting of aluminium and magnesium alloys
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