Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434)
09/2004
09/30/2004WO2004083463A1 Process for producing particulate iron metal
09/30/2004WO2004018717A9 Electrostatically enhanced tribochemical methods and apparatus
09/30/2004US20040188896 Flotation device
09/30/2004US20040187643 Method for obtaining cobalt and nickel from ores and ore concentrates
09/30/2004DE10323340A1 Method for processing aluminium-containing waste chippings etc involves supplying washing solution and waste through washing device and after drying separating concentrated emulsion into oil and water through chamber separator
09/30/2004DE10310641A1 Verfahren zur Raffination von Gold Method for refining gold
09/30/2004CA2519049A1 Manufacturing method for granulated metallic iron
09/29/2004EP1194602B1 Method for reducing non-ferrous metal content in slag in the production of non-ferrous metals occurring in suspension smelting furnace
09/29/2004CN1168837C Technology for producing acidic pellet agglomerate by fractionally feeding flux
09/23/2004WO2004081244A1 Method for the refinement of gold
09/23/2004WO2004081240A1 Method for recycling converter dust to rotary hearth reducing furnace
09/23/2004WO2004081238A1 Process for producing reduced matal and agglomerate with carbonaceous material incorporated therein
09/22/2004EP1458897A1 Chromium removal from leach liquors produced during high pressure acid leaching of lateritic ores
09/22/2004EP1117845B8 Method for the production of a bulk of molten metal, a metallurgical product, and use of such a product
09/22/2004CN2642775Y Equipment system for treating oil-containing iron scale of rolled steel
09/22/2004CN1530624A Double wedge spring plate style sealing device for sintering
09/22/2004CN1530451A Treatment of fragile S-Pb-Sb mineral tail
09/21/2004US6793166 Ore comminution process
09/16/2004WO2004079024A1 Aluminium dross cooling method and installation
09/16/2004US20040177722 Recovery of metal values from cermet
09/16/2004US20040177721 Recovery of metal values from cermet
09/15/2004EP1456423A1 Electromagnetic pyrolysis metallurgy
09/15/2004CN1528924A Calcium-magnesium compound agglomerate surface additive
09/15/2004CN1528923A Boron-magnesium compound agglomerate surface additive
09/15/2004CN1528922A Boron-calcium-magnesium compound agglomerate surface additive
09/15/2004CN1166787C Process for sphericizing metallic powder and its usage
09/09/2004US20040173054 Method of manufacturing metal iron
09/09/2004DE10308269A1 Recovering nickel comprises loosening reduced ore with inert gas during cooling and indirectly cooling using cooling medium
09/09/2004DE10202417B9 Verfahren zur Herstellung eines Beschickungsmaterials zur Verwendung in metallurgischen Verfahren A method for producing a feed material for use in metallurgical processes
09/08/2004EP1454996A2 Briquette for raw material for iron manufacture and briquette for introduction into slag generating apparatus
09/08/2004CN1526837A Block mass for iron-making raw material and block mass thrown in slag generating apparatus
09/07/2004US6786949 Mixture of metal oxide (especially iron oxide) particles and reducing agent pre-gel carbonaceous particles
09/02/2004WO2004074523A2 Elevated discharge gas lift bubble pump and furnace for use therewith
09/01/2004CN1164773C Roasting decomposition process of mengite-RE concentrate and mengite-mixed bastnaesite RE concentrate
08/2004
08/26/2004US20040163493 thermally reducing a metal oxide including a carbonaceous reductant disposed on a hearth moving in a reducing furnace; oxygen-enriched air is used as combustion air to decrease the fuel consumption; while NOx content in exhaust gas is not increased
08/25/2004CN1523123A Superlow temperature sinter and mineralization energy-saving additive
08/25/2004CN1163620C Method for pelletizing powdered magnetic concentrate
08/24/2004US6780384 Method and system for recovering zirconium values from a hard rock ore containing uranium
08/24/2004US6780222 Method of sintering and sinter bed composition
08/19/2004WO2004070066A1 A method for increasing the chrome to iron ratio of chromites products
08/19/2004DE10305367A1 Verfahren und Anlage zur Wärmebehandlung von mineralischen Rohstoffen Method and apparatus for heat treatment of mineral resources
08/18/2004EP1425427A4 Iron ore briquetting
08/18/2004EP1423545A4 Iron ore briquetting
08/18/2004CN2633898Y Sintered raw material adder of steel-making wet slurry
08/18/2004CN1521280A Calcic pellet ore compound and manufacturing method thereof
08/12/2004WO2004067787A1 Process for nickel and cobalt extraction from laterite ores
08/12/2004WO2004018717A3 Electrostatically enhanced tribochemical methods and apparatus
08/12/2004US20040156765 low operational and cost investments; at atmospheric pressure and at low oxidation temperatures prior to leaching; producing tailings devoid of elemental sulfur, sulfides, or soluble sulfates and by fast reaction rates
08/12/2004US20040155388 Method and installation for utilizing waste products, which contain hydrocarbons and iron oxide, particularly mill scale sludges and coal fines
08/12/2004US20040154436 Method for producing granular metal
08/12/2004CA2512865A1 Process for nickel and cobalt extraction from laterite ores
08/11/2004EP1445564A1 Process and installation for heat treatment of mineral raw materials
08/11/2004CA2418689A1 Gold and silver recovery from polymetallic sulfides by treatment with halogens
08/10/2004US6773486 Use of rice hull ash in steelmaking
08/10/2004CA2256135C Method of producing reduced iron pellets
08/06/2004CA2418546A1 A method for increasing the chrome to iron ratio of chromites products
08/04/2004EP1354172B1 Plant for the thermal treatment of material and operation process thereof
08/03/2004US6770255 Process for chlorine recovery
08/03/2004US6770115 Reclaiming from post consumer scrap and/or secondary turnings; controlled temperature and environment rotary drying
08/03/2004CA2389866C Method of applying marking agent to aluminum sheet for scrap sorting purposes
08/03/2004CA2308837C Process for producing sintered ore and the sintered ore
08/03/2004CA2299263C Method for direct reduction and upgrading of fine-grained refractory and earthy iron ores and slags
07/2004
07/29/2004WO2004063398A1 Method for producing metallic iron
07/29/2004WO2004039492A3 Gas cleaning process and equipment therefor
07/29/2004US20040144209 Non-biochemical method to heap leach copper concentrates
07/28/2004EP1144701B1 Processing of uranium-bearing materials by fluorination followed by separation of uranium hexafluorides in a plasma reactor
07/28/2004CN1516744A Method for producing granular metal
07/28/2004CN1516743A Method of mfg. metal iron
07/22/2004WO2004061138A1 Method for reducing chromium containing raw material
07/21/2004EP1439237A1 Recycling process for electric arc furnace dust and product obtained therefrom
07/21/2004EP1439236A1 METHOD FOR DRYING MOLDING CONTAINING OXIDIZED METAL, METHOD FOR REDUCING OXIDIZED METAL AND ROTARY HEARTH TYPE METAL REDUCTION FURNACE
07/21/2004CN1514028A Method of raising agglomerate strength and output
07/21/2004CN1513782A Induction heating method and device for ore fusion
07/15/2004WO2004058636A1 Process and tubular for recovery of chlorine from iron chlorides
07/15/2004DE10260738A1 Verfahren und Anlage zur Förderung von feinkörnigen Feststoffen Method and apparatus for conveying fine-grained solids
07/15/2004DE10260737A1 Verfahren und Anlage zur Wärmebehandlung von titanhaltigen Feststoffen Method and apparatus for heat treatment of titanium-containing solids
07/15/2004DE10260735A1 Verfahren und Anlage zur Wärmebehandlung von sulfidischen Erzen Method and apparatus for heat treatment of sulfidic ores
07/15/2004CA2510611A1 Process and tubular reactor for recovery of chlorine from iron chlorides
07/14/2004EP1436107A2 Feedstock materials for semi-solid forming
07/14/2004CN1511966A Ore dressing process for rare earth crude ore with high iron content
07/14/2004CN1157487C On-line desulfuration method for agglutination process
07/08/2004WO2004057042A1 An apparatus for manufacturing molten irons by hot compacting fine direct reduced irons and calcined additives and method using the same
07/08/2004WO2004057041A1 Method and plant for the heat treatment of sulfidic ores using annular fluidized
07/08/2004WO2004057040A1 Fluidized bed method and plant for the heat treatment of solids containing titanium
07/08/2004WO2004057039A1 Method and plant for the heat treatment of solids containing iron oxide using a fluidized bed reactor
07/08/2004WO2004056471A1 Method and plant for the thermal treatment of granular solids in a fluidized bed
07/08/2004WO2004056468A1 Treatment of granular solids in a fluidized bed with microwaves
07/08/2004WO2004056467A1 Treatment of granular solids in an annular fluidized bed with microwaves
07/08/2004WO2004056462A1 Method and plant for the conveyance of fine-grained solids
07/08/2004US20040131520 Releasing metals; multistage process; preconditioning sulfur with bacteria ; agglomeration of particles; adjust permeability
07/08/2004DE10260743A1 Verfahren und Anlage zum thermischen Behandeln von körnigen Feststoffen in einem Wirbelbett Process and apparatus for the thermal treatment of granular solids in a fluidized bed
07/08/2004DE10260742A1 Verfahren und Anlage zum thermischen Behandeln von körnigen Feststoffen in einem Wirbelbett Process and apparatus for the thermal treatment of granular solids in a fluidized bed
07/08/2004DE10260733A1 Verfahren und Anlage zur Wärmebehandlung von eisenoxidhaltigen Feststoffen Method and apparatus for heat treatment of solids containing iron oxide
07/08/2004DE10259309A1 Continuous drying of metal, e.g. aluminum chips contaminated with water and oil with continuous chip feed, used in metal cutting operations
07/08/2004CA2510926A1 Fluidized bed method and plant for the heat treatment of solids containing titanium
07/08/2004CA2510925A1 Method and plant for the heat treatment of solids containing iron oxide using a fluidized bed reactor
07/08/2004CA2510792A1 Method and plant for the thermal treatment of granular solids in a fluidized bed
07/08/2004CA2510791A1 Method and plant for the conveyance of fine-grained solids
07/08/2004CA2510106A1 Method and plant for the heat treatment of sulfidic ores using annular fluidized
07/08/2004CA2510013A1 Treatment of granular solids in a fluidized bed with microwaves
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