Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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01/24/2002 | WO2002006748A1 Controlling device |
01/24/2002 | US20020009402 Method of producing an active mineral liquid from granite |
01/22/2002 | US6340378 Method for screening hot briquetted direct reduced iron |
01/17/2002 | WO2002004919A2 Method and apparatus for the assay of precious metals |
01/17/2002 | US20020005444 Pretreatment apparatus for raw materials for production of reduced iron |
01/17/2002 | US20020005376 Method for separating oxide from dross, device for separating oxide from dross, and jet solder tank |
01/17/2002 | US20020005089 Method of and apparatus for manufacturing the metallic iron |
01/15/2002 | US6338446 Removal of coating layer, cores, agitation with abrading elements |
01/10/2002 | US20020003325 Reduced iron discharger in rotary hearth reducing furnace |
01/10/2002 | US20020003324 Apparatus for producing reduced iron |
01/10/2002 | DE10027796A1 Verfahren zum Brikettieren von Nickeloxid-Pulver, sowie Nickeloxid-Brikett A method for briquetting of nickel powder and nickel briquettes |
01/10/2002 | DE10027141A1 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 |
01/09/2002 | EP1169484A1 Device for producing hot-briquetted metallic sponge, especially hot-briquetted sponge iron |
01/09/2002 | CN1330723A Method of producing molten iron in duplex furnaces |
01/09/2002 | CN1077602C Method for producing spheroidized iron-coke ore solidified rapidly at middle temp. and drying equipment |
01/08/2002 | CA2221940C Chloride assisted hydrometallurgical extraction of nickel and cobalt from sulphide ores |
01/08/2002 | CA2081177C Beneficiation process |
01/03/2002 | WO2002103064A1 Method for producing granular metal |
01/03/2002 | WO2002000944A1 Method and device for directly reducing particulate oxide-containing ores |
01/03/2002 | WO2002000943A1 Device for directly reducing ore fine and installation for carrying out said method |
01/03/2002 | US20020001552 Treatment of roasted metal sulphide ores and ferrites by leaching with peroxysulphuric acid |
01/03/2002 | US20020000687 Method of producing reduced iron and production facilities therefor |
01/02/2002 | EP1165845A2 Method and apparatus for removing undesirable metals from iron-containing materials |
01/01/2002 | US6334883 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 |
01/01/2002 | CA2211021C Method and device for cooling hot briquetted spongy iron |
12/27/2001 | US20010054329 Method for producing molten iron in duplex furnaces |
12/26/2001 | CN1328163A Iron ore block formed by punch |
12/25/2001 | US6332912 Method to lower the formation of clods and the clustering tendency of reducible iron containing agglomerated material, in particular pellets |
12/19/2001 | EP1163567A2 Mass generation of individual virtual servers, virtual web sites and virtual web objects |
12/19/2001 | CN1327072A Method and device for making metal iron |
12/19/2001 | CN1076400C Boron-magnetsium compound additives and preparing method thereof |
12/19/2001 | CN1076234C Method of preparing iron powder by using steelmaking converter smoke or sludge |
12/18/2001 | CA2080701C Treatment of particulate materials with reticulated cellulose |
12/13/2001 | WO2001094652A1 Method for producing briquettes from nickel-oxide powder and a nickel-oxide briquette |
12/13/2001 | WO2001094651A1 Method of producing a metallized briquette |
12/13/2001 | WO2001094650A2 Process for the recovery of natural nanoclusters of metals and other elements and the nanoclusters isolated thereby |
12/13/2001 | US20010050006 Recycle of grinding sludge |
12/13/2001 | DE10027998A1 Process for cleaning precious metal filings contaminated with cooling lubricants comprises heating the filings at elevated temperature with vaporization of the materials |
12/11/2001 | CA2045821C Iron sponge briquetting press |
12/06/2001 | WO2001092588A1 Raw material for sintering in form of pseudo grain and method for producing the same |
12/06/2001 | US20010047699 Method of producing a metallized briquette |
12/06/2001 | US20010047698 Separating; briquetting |
12/05/2001 | EP1160336A1 Method of and apparatus for manufacturing metallic iron |
12/05/2001 | CN2463399Y Pelletizing mine furnace external cooler |
12/05/2001 | CN2463398Y Shaft furnace pelletizing method furnace secondary cooler |
12/05/2001 | CN1325460A Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material |
11/29/2001 | WO2001090424A1 Iron ore reduction method and installation therefor |
11/29/2001 | US20010045378 Method of applying marking to metal sheet for scrap sorting purposes |
11/29/2001 | US20010045142 Process for thermal treatment of residual materials containing heavy metal and iron oxide |
11/29/2001 | CA2407401A1 Iron ore reduction method and installation therefor |
11/28/2001 | CN1324328A Feed processing for improved alumina process performance |
11/22/2001 | WO2001088212A2 Method for thiosulfate leaching of precious metal-containing materials |
11/22/2001 | WO2001088206A1 Method for recovering useful metal from slag generated in steel-making process while treating the slag |
11/22/2001 | CA2756715A1 Method for thiosulfate leaching of precious metal-containing materials |
11/22/2001 | CA2745928A1 Method for thiosulfate leaching of precious metal-containing materials |
11/22/2001 | CA2745806A1 Method for thiosulfate leaching of precious metal-containing materials |
11/22/2001 | CA2698578A1 Method for thiosulfate leaching of precious metal-containing materials |
11/21/2001 | EP1155155A1 Sulphidisation of sulphide ores for hydrometallurgical extraction of copper and other metals |
11/21/2001 | EP0990053B1 Process and plant for producing iron smelt in an electric arc furnace by using agglomerated, iron-containing steel work residues |
11/21/2001 | CN2460529Y Shaft furnace drying bed |
11/21/2001 | CN1323359A Method for the heat treatment of residues containing heavy metals |
11/21/2001 | CN1075119C Operating method for sintering equipment and sintering equipment |
11/20/2001 | US6319302 Method for manufacturing reduced iron agglomerates and apparatus there for |
11/20/2001 | CA2061548C Direct reduction process in rotary hearth furnace |
11/15/2001 | WO2001086011A1 A method and an apparatus for recovery of metals |
11/15/2001 | WO2001034855A3 Method of pyroprocessing mineral ore material such as pellets in a rotary kiln for reducing combustion nox |
11/15/2001 | US20010039709 Preparation of metal feedstock from wasted metal products |
11/15/2001 | DE10023373A1 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 |
11/14/2001 | EP1153527A1 High efficiency induction melting system |
11/08/2001 | WO2001083834A1 Precious metal recovery from organics-precious metal compositions with supercritical water reactant |
11/06/2001 | US6312501 Method of producing reduced iron and production facilities therefor |
11/06/2001 | US6312500 Heap leaching of nickel containing ore |
11/01/2001 | WO2001040527A8 Method for sintering ferroalloy materials |
10/31/2001 | EP1149926A2 Recycling of grinding sludge in the form of briquettes |
10/31/2001 | CN2457171Y Air guide wall water beam of pelletizing vertical furnace with protective layer |
10/31/2001 | CN2457170Y Air guide wall water beam of pelletizing vertical furnace |
10/31/2001 | CN1320102A Feed processing for improved alumina porcess performance |
10/31/2001 | CN1074050C Pretreatment method for extracting vanadium pentoxide from vanadium-contained ore |
10/30/2001 | US6310264 Method for processing material comprising aluminum and plastic |
10/25/2001 | US20010032527 Method of producing reduced iron and production facilities therefor |
10/24/2001 | CN1319143A Method for producing directly reduced metal in multi-tiered furnace |
10/24/2001 | CN1073633C Method for making pellet agglomerate used in iron smelting |
10/18/2001 | US20010030389 Apparatus for producing reduced iron |
10/17/2001 | EP1144701A2 Processing of uranium materials by fluorination and dissociation of uranium hexafluoride in plasma separator |
10/17/2001 | EP1144696A1 Method of producing molten iron in duplex furnaces |
10/17/2001 | EP0783456B1 Process for the realization of endothermic decomposition of pyrites, producing gases and solid residues |
10/17/2001 | CN1317586A Technology and equipment for sphericizing powdered magnetic concentrate |
10/16/2001 | US6302938 Reduced pellets |
10/11/2001 | WO2001075184A2 Heap leaching of nickel containing ore with sulfuric acid |
10/11/2001 | WO2001042520A8 Method of high-temperature digesting titanium containing material with sulfuric acid |
10/11/2001 | WO2000042229A3 Processing of uranium materials by fluorination and dissociation of uranium hexafluoride in plasma separator |
10/11/2001 | EP1144701A3 Processing of uranium materials by fluorination and dissociation of uranium hexafluoride in plasma separator |
10/11/2001 | CA2404003A1 Heap leaching of nickel containing ore |
10/10/2001 | EP1007746B1 Method for operating a sintering plant |
10/10/2001 | CN1316531A Cold-consolidated rusted cake containing iron dust |
10/04/2001 | WO2001073143A1 Agglomeration of alumina and binder therefor |
10/04/2001 | WO2001073142A1 Agglomeration of alumina |
10/04/2001 | EP1137818A1 Method for the heat treatment of residues containing heavy metals |
10/04/2001 | CA2404485A1 Agglomeration of alumina and binder therefor |
10/03/2001 | CN1072265C Method and apparatus for sintering finely divided material containing Mn |