Patents for C22B 5 - General processes of reducing to metals (5,378)
08/2001
08/22/2001EP1126039A1 Method and apparatus for reductively processing the liquid slag and the baghouse dust of the electric arc furnace
08/22/2001EP0980287B1 Process for regulating a circulating fluidised bed and use of the process
08/22/2001EP0904416B1 Method of charging metalliferous material into a smelting-gasification zone
08/22/2001CN1309724A Removal of oxygen from metal oxides and solid solutions by electrolysis in fused salt
08/22/2001CN1309723A Induction furnace for metal reduction and melting process
08/22/2001CN1069928C Method for treating material contg. metal and organic metter, including metal separation
08/21/2001US6277172 Method of charging metal carriers to a melt-down gasifying zone
08/21/2001US6277168 Method for direct metal making by microwave energy
08/15/2001CN1308137A 直接熔炼工艺 Direct smelting process
08/14/2001US6273934 Method and an apparatus for producing metals and metal alloys
08/14/2001US6273933 Method for blowing fine particles containing metal oxide into a reducing gas
08/09/2001US20010012499 Cobalt recovery process
08/08/2001EP1122319A1 Process of recycling mill scale of alloyed steel in an electric arc furnace into a ferro-silicon product
08/08/2001EP0904415B1 Device for producing sponge iron
08/08/2001CN1307645A Direct smelting process
08/07/2001US6270553 Production of metals and metal alloys; passing a gas at elevated temperature through bed of composite agglomerates, melting the metals, and collecting the molten metal
08/07/2001CA2240706C Production of direct reduced iron with reduced fuel consumption and emission of carbon monoxide
08/07/2001CA2202917C Plant and process for producing raw iron and/or sponge iron
08/02/2001WO2001055463A1 Carbonyl process for recovery of purified cobalt
08/02/2001WO2001055461A1 Method for removing chrome and/or nickel from liquid slags
08/02/2001WO2001009400A8 Method for producing lithium and device therefor
08/02/2001DE10103940A1 Vorrichtung zum Einspeisen von Gas in einen Kessel An apparatus for injecting gas into a vessel
08/02/2001DE10103605A1 Vorrichtung zum Einspeisen von festem Partikelmaterial in einen Kessel An apparatus for feeding solid particulate material into a vessel
08/02/2001CA2398352A1 Method for removing chrome and/or nickel from liquid slags
08/01/2001EP0948654B1 Method for producing liquid pig iron or steel fabricated materials and installation for implementing said method
08/01/2001CN1306585A Tantalum-silicon alloys and products contg. same and processes of making same
07/2001
07/25/2001CN1305534A Direct smelting vessel and direct smelting process
07/25/2001CA2296964A1 Cobalt recovery process
07/24/2001US6264911 Production method of iron carbide
07/24/2001US6264725 Method for producing liquid pig iron or steel fabricated materials and installation for implementing said method
07/24/2001US6264719 Titanium alloy based dispersion-strengthened composites
07/18/2001EP1115890A1 Method for producing directly reduced metal in a multi-tiered furnace
07/17/2001US6261531 Classification a fine grained iron for producing iron carbide
07/11/2001EP1114195A1 A direct smelting process
07/11/2001EP1114191A1 A direct smelting process
07/10/2001US6257879 Paired straight hearth (PSH) furnaces for metal oxide reduction
07/05/2001WO2001048254A1 Method for the utilisation of plastic waste in the thermal treatment of metalliferous recyclings
07/05/2001WO2000050969A8 Mass generation of individual virtual servers, virtual web sites and virtual web objects
07/04/2001EP1112387A1 Direct smelting vessel and direct smelting process
07/04/2001CN1068062C Production of metal such as aluminium, magnesium, silicon and like from metal oxide compounds
06/2001
06/28/2001WO2001046478A2 A fluidized bed reactor for preventing the fine iron ore from sticking therein and method therefor
06/28/2001CA2362802A1 A fluidized bed reactor for preventing the fine iron ore from sticking therein and method therefor
06/27/2001EP1109943A1 Induction furnace for a metal reduction and melting process
06/27/2001EP1109940A1 2-stage fluidized bed type fine iron ore reducing apparatus, and reducing method using the apparatus
06/27/2001CN1301205A Sinter-active metal and alloy powders for powder metallurgy applications and methods for their production and their use
06/26/2001US6251156 Method of producing molten iron in duplex furnaces
06/21/2001WO2001044522A1 Method and installation for reducing ore fines in a multi-stage suspension gas stream using a cyclone separator
06/21/2001WO2001044518A1 Method for decreasing elutriation loss of fine iron ore in fluidized bed type reducing operation
06/21/2001US20010003930 Iron oxide is reduced to metallized iron by contact with hot reducing gas, comprising a first hot reducing gas containing carbon monooxide and hydrogen, a gaseous or liquid hydrocarbon fuel with oxygen as addtional reducing agent
06/21/2001DE19960575A1 Verfahren und Anlage zur Reduktion von Feinerzen Method and apparatus for reduction of ore fines
06/21/2001CA2394279A1 Method and installation for reducing ore fines in a multi-stage suspension gas stream using a cyclone separator
06/20/2001EP1108070A1 Method for the thermal processing of residues containing heavy metals and iron oxide
06/20/2001EP0777753B1 Method of making metals and other elements
06/20/2001CN1300243A Process for the production of ultrafine powders
06/20/2001CN1299879A Direct-fusing apparatus and method
06/13/2001EP1105544A1 Method for producing zinc using the is process in an is shaft furnace and corresponding is shaft furnace
06/13/2001CN1067112C Method for veduction and melting of compounds contg. metallic elements
06/13/2001CN1067107C Equipment and method for producing sponge iron
06/12/2001US6245211 Process for obtaining titanium or other metals using shuttle alloys
06/12/2001US6245123 Safe separation of noxious substances and, in particular, the separation of copper prior to the aftertreatment of the slag
06/07/2001WO2001040528A1 Post-treatment method for deoxidizing metallurgical slag
06/05/2001US6241801 Method for treating particulate material in the fluidized bed method and vessel and plant for carrying out the method
06/05/2001US6241797 Process for reducing oxidic slags
05/2001
05/30/2001EP1102651A1 Purification process for chromium
05/29/2001US6238457 Flow velocity and flowing direction of the reaction gas and solids are adjusted at a point where the reaction gas and solids are discharged into the suspension smelting furnace
05/22/2001US6235235 System for extracting sodium metal from sodium hydroxide and a reductant of natural gas
05/22/2001US6235085 High carbon content briquettes
05/22/2001US6235079 Multistage reaction for iron ore
05/17/2001WO2001035428A1 Capacitor powder
05/17/2001WO2001034859A1 Method for reduction of nickel
05/17/2001WO2001034858A1 Carbothermic process for production of metals
05/17/2001CA2390943A1 Carbothermic process for production of metals
05/16/2001EP1099767A1 Method and device for induction-heating and melting metal oxides-containing powder and granular material
05/16/2001EP1098997A1 A direct smelting process
05/15/2001US6231638 Reduction; injection comminuted plastic material to agglomerate
05/10/2001WO2001032945A1 Nickel powder desulfurisation
05/10/2001DE19953946A1 Kondensatorpulver Capacitor powder
05/10/2001CA2389342A1 Nickel powder desulfurisation
05/09/2001EP0897429B1 Method and device for direct reduction of ore fines
05/09/2001EP0754245B1 Method of manufacturing pig iron or steel and cement clinker from slags
05/02/2001EP1096215A2 Apparatus and method for producing metal through reduction
05/02/2001EP1094910A1 Process for the production of ultrafine powders
05/02/2001CN1293257A Reducing metal manufacturing equipment and manufacturing method of reducing metal
05/02/2001CN1065280C Plant and process for producing sponge iron
05/01/2001US6224820 Method of producing a reduced metal, and traveling hearth furnace for producing same
05/01/2001US6224649 Contacting iron-oxide particles, including iron ore fines, in a broad range of sizes with a reducing gas containing hydrogen and carbon dioxide in a reduction reactor having atleast one reduction zone, comprises two sub-zones
04/2001
04/25/2001EP1094122A1 Process for melting of heavy metal bearing residues
04/24/2001US6221310 System for extracting sodium metal from sodium hydroxide with methane as a reductant
04/24/2001US6221124 Fluidized bed treatment of EAF dust
04/18/2001CN1292037A Method for production of aluminium
04/18/2001CN1064713C Gasification process and plant for direct reduction reactors
04/17/2001CA2061087C Method and apparatus for heating and smelting pulverous solids and for volatilizing the volatile ingredients thereof in a suspension smelting furnace
04/15/2001CA2322935A1 Method and apparatus for producing reduced metal
04/12/2001WO2001025496A1 Carbon-containing agglomerates
04/12/2001DE19947343A1 Melting zinc-containing materials containing heavy metals comprises reductively moving the burner and/or the liquid slag so the zinc is converted into the gas phase
04/11/2001EP1090153A1 Tantalum sputtering target and method of manufacture
04/11/2001CN1290758A Method for producing iron alloy by raw coal instead of coke
04/10/2001CA2196534C Method of making metals and other elements
04/05/2001WO2000050969A3 Mass generation of individual virtual servers, virtual web sites and virtual web objects
04/05/2001DE19946430A1 Verfahren zur Verwertung von Eisen, Zink und Blei enthaltenden Sekundärrohstoffen Process for the recovery of iron, zinc and lead-containing secondary raw materials
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