Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434)
01/2002
01/24/2002WO2002006748A1 Controlling device
01/24/2002US20020009402 Method of producing an active mineral liquid from granite
01/22/2002US6340378 Method for screening hot briquetted direct reduced iron
01/17/2002WO2002004919A2 Method and apparatus for the assay of precious metals
01/17/2002US20020005444 Pretreatment apparatus for raw materials for production of reduced iron
01/17/2002US20020005376 Method for separating oxide from dross, device for separating oxide from dross, and jet solder tank
01/17/2002US20020005089 Method of and apparatus for manufacturing the metallic iron
01/15/2002US6338446 Removal of coating layer, cores, agitation with abrading elements
01/10/2002US20020003325 Reduced iron discharger in rotary hearth reducing furnace
01/10/2002US20020003324 Apparatus for producing reduced iron
01/10/2002DE10027796A1 Verfahren zum Brikettieren von Nickeloxid-Pulver, sowie Nickeloxid-Brikett A method for briquetting of nickel powder and nickel briquettes
01/10/2002DE10027141A1 Waste processing and treatment system without dioxide emissions has optimal air flow temperature setting unit, heater for taking in air flow and heating and treating waste in its interior
01/09/2002EP1169484A1 Device for producing hot-briquetted metallic sponge, especially hot-briquetted sponge iron
01/09/2002CN1330723A Method of producing molten iron in duplex furnaces
01/09/2002CN1077602C Method for producing spheroidized iron-coke ore solidified rapidly at middle temp. and drying equipment
01/08/2002CA2221940C Chloride assisted hydrometallurgical extraction of nickel and cobalt from sulphide ores
01/08/2002CA2081177C Beneficiation process
01/03/2002WO2002103064A1 Method for producing granular metal
01/03/2002WO2002000944A1 Method and device for directly reducing particulate oxide-containing ores
01/03/2002WO2002000943A1 Device for directly reducing ore fine and installation for carrying out said method
01/03/2002US20020001552 Treatment of roasted metal sulphide ores and ferrites by leaching with peroxysulphuric acid
01/03/2002US20020000687 Method of producing reduced iron and production facilities therefor
01/02/2002EP1165845A2 Method and apparatus for removing undesirable metals from iron-containing materials
01/01/2002US6334883 Pellets comprising carbonaceous material and ore comprising iron oxide, wherein maximum fluidity of carbonaceous material in softening and melting and percentage of iron oxide particles of small size are within specified range
01/01/2002CA2211021C Method and device for cooling hot briquetted spongy iron
12/2001
12/27/2001US20010054329 Method for producing molten iron in duplex furnaces
12/26/2001CN1328163A Iron ore block formed by punch
12/25/2001US6332912 Method to lower the formation of clods and the clustering tendency of reducible iron containing agglomerated material, in particular pellets
12/19/2001EP1163567A2 Mass generation of individual virtual servers, virtual web sites and virtual web objects
12/19/2001CN1327072A Method and device for making metal iron
12/19/2001CN1076400C Boron-magnetsium compound additives and preparing method thereof
12/19/2001CN1076234C Method of preparing iron powder by using steelmaking converter smoke or sludge
12/18/2001CA2080701C Treatment of particulate materials with reticulated cellulose
12/13/2001WO2001094652A1 Method for producing briquettes from nickel-oxide powder and a nickel-oxide briquette
12/13/2001WO2001094651A1 Method of producing a metallized briquette
12/13/2001WO2001094650A2 Process for the recovery of natural nanoclusters of metals and other elements and the nanoclusters isolated thereby
12/13/2001US20010050006 Recycle of grinding sludge
12/13/2001DE10027998A1 Process for cleaning precious metal filings contaminated with cooling lubricants comprises heating the filings at elevated temperature with vaporization of the materials
12/11/2001CA2045821C Iron sponge briquetting press
12/06/2001WO2001092588A1 Raw material for sintering in form of pseudo grain and method for producing the same
12/06/2001US20010047699 Method of producing a metallized briquette
12/06/2001US20010047698 Separating; briquetting
12/05/2001EP1160336A1 Method of and apparatus for manufacturing metallic iron
12/05/2001CN2463399Y Pelletizing mine furnace external cooler
12/05/2001CN2463398Y Shaft furnace pelletizing method furnace secondary cooler
12/05/2001CN1325460A Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material
11/2001
11/29/2001WO2001090424A1 Iron ore reduction method and installation therefor
11/29/2001US20010045378 Method of applying marking to metal sheet for scrap sorting purposes
11/29/2001US20010045142 Process for thermal treatment of residual materials containing heavy metal and iron oxide
11/29/2001CA2407401A1 Iron ore reduction method and installation therefor
11/28/2001CN1324328A Feed processing for improved alumina process performance
11/22/2001WO2001088212A2 Method for thiosulfate leaching of precious metal-containing materials
11/22/2001WO2001088206A1 Method for recovering useful metal from slag generated in steel-making process while treating the slag
11/22/2001CA2756715A1 Method for thiosulfate leaching of precious metal-containing materials
11/22/2001CA2745928A1 Method for thiosulfate leaching of precious metal-containing materials
11/22/2001CA2745806A1 Method for thiosulfate leaching of precious metal-containing materials
11/22/2001CA2698578A1 Method for thiosulfate leaching of precious metal-containing materials
11/21/2001EP1155155A1 Sulphidisation of sulphide ores for hydrometallurgical extraction of copper and other metals
11/21/2001EP0990053B1 Process and plant for producing iron smelt in an electric arc furnace by using agglomerated, iron-containing steel work residues
11/21/2001CN2460529Y Shaft furnace drying bed
11/21/2001CN1323359A Method for the heat treatment of residues containing heavy metals
11/21/2001CN1075119C Operating method for sintering equipment and sintering equipment
11/20/2001US6319302 Method for manufacturing reduced iron agglomerates and apparatus there for
11/20/2001CA2061548C Direct reduction process in rotary hearth furnace
11/15/2001WO2001086011A1 A method and an apparatus for recovery of metals
11/15/2001WO2001034855A3 Method of pyroprocessing mineral ore material such as pellets in a rotary kiln for reducing combustion nox
11/15/2001US20010039709 Preparation of metal feedstock from wasted metal products
11/15/2001DE10023373A1 Heat treatment apparatus used for pyrolyzing electronic scrap comprises a container as a vacuum chamber with a suction device arranged in the upper region and immersed in a crucible containing a liquid heat carrier
11/14/2001EP1153527A1 High efficiency induction melting system
11/08/2001WO2001083834A1 Precious metal recovery from organics-precious metal compositions with supercritical water reactant
11/06/2001US6312501 Method of producing reduced iron and production facilities therefor
11/06/2001US6312500 Heap leaching of nickel containing ore
11/01/2001WO2001040527A8 Method for sintering ferroalloy materials
10/2001
10/31/2001EP1149926A2 Recycling of grinding sludge in the form of briquettes
10/31/2001CN2457171Y Air guide wall water beam of pelletizing vertical furnace with protective layer
10/31/2001CN2457170Y Air guide wall water beam of pelletizing vertical furnace
10/31/2001CN1320102A Feed processing for improved alumina porcess performance
10/31/2001CN1074050C Pretreatment method for extracting vanadium pentoxide from vanadium-contained ore
10/30/2001US6310264 Method for processing material comprising aluminum and plastic
10/25/2001US20010032527 Method of producing reduced iron and production facilities therefor
10/24/2001CN1319143A Method for producing directly reduced metal in multi-tiered furnace
10/24/2001CN1073633C Method for making pellet agglomerate used in iron smelting
10/18/2001US20010030389 Apparatus for producing reduced iron
10/17/2001EP1144701A2 Processing of uranium materials by fluorination and dissociation of uranium hexafluoride in plasma separator
10/17/2001EP1144696A1 Method of producing molten iron in duplex furnaces
10/17/2001EP0783456B1 Process for the realization of endothermic decomposition of pyrites, producing gases and solid residues
10/17/2001CN1317586A Technology and equipment for sphericizing powdered magnetic concentrate
10/16/2001US6302938 Reduced pellets
10/11/2001WO2001075184A2 Heap leaching of nickel containing ore with sulfuric acid
10/11/2001WO2001042520A8 Method of high-temperature digesting titanium containing material with sulfuric acid
10/11/2001WO2000042229A3 Processing of uranium materials by fluorination and dissociation of uranium hexafluoride in plasma separator
10/11/2001EP1144701A3 Processing of uranium materials by fluorination and dissociation of uranium hexafluoride in plasma separator
10/11/2001CA2404003A1 Heap leaching of nickel containing ore
10/10/2001EP1007746B1 Method for operating a sintering plant
10/10/2001CN1316531A Cold-consolidated rusted cake containing iron dust
10/04/2001WO2001073143A1 Agglomeration of alumina and binder therefor
10/04/2001WO2001073142A1 Agglomeration of alumina
10/04/2001EP1137818A1 Method for the heat treatment of residues containing heavy metals
10/04/2001CA2404485A1 Agglomeration of alumina and binder therefor
10/03/2001CN1072265C Method and apparatus for sintering finely divided material containing Mn
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