Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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07/08/2004 | CA2510009A1 Treatment of granular solids in an annular fluidized bed with microwaves |
07/07/2004 | EP1434892A1 Chloride melt process for the separation and recovery of zinc |
07/07/2004 | CN1156590C Method for reducing non-ferrous metal content in slag in the production of non-ferrous metals occurring in suspension smelting furnace |
07/07/2004 | CN1156589C Dearsenfifying method for Cu-Zn-Co material |
07/07/2004 | CN1156588C Sulfurizing reduction and roasting and voltizing dearsenication method for copper-zine-cobalt material |
07/01/2004 | WO2004055224A1 Process for producing sintering feedstock and apparatus therefor |
07/01/2004 | DE10260745A1 Verfahren und Anlage zur thermischen Behandlung von körnigen Feststoffen Process and apparatus for the thermal treatment of granular solids |
06/30/2004 | CN1509339A Apparatus and method for recycling iron laden dust and sludge in ingot iron manufacturing process using semi-soft coking coal and fine iron ore |
06/29/2004 | US6755890 Positioning baffles from roof downwards forcing small particle metallurgical coke to settle in reduction zone |
06/24/2004 | US20040118954 rotary grinding mill containing grinding bodies of steel or cast iron balls; atomizating high carbon steel pellets or cast iron pellets in a granulometry range ower than 15 mm,; mixing pellets with the balls in a preset weight ratio |
06/23/2004 | CN1507498A Method and installation for utilziing waste products, which contain hydrocarbons and iron oxide particularly mill scale sludges and coal fines |
06/23/2004 | CN1154749C System for controlling cooling for agglomerate |
06/22/2004 | CA2295350C Method for manufacturing reduced iron agglomerates and apparatus therefor |
06/22/2004 | CA2281003C Production of iron ore pellets |
06/17/2004 | WO2004050927A1 Method for separating platinum group element |
06/17/2004 | WO2004050924A1 Cold briquetting and pelletisation of mineral fines using an iron-bearing hydraulic binder |
06/17/2004 | US20040115581 Method and device for treating bulk products |
06/17/2004 | US20040112834 Mineral ore slurry viscosity modification method |
06/16/2004 | CN1505688A Arrangement and method for reducing build-up on a roasting furnace grate |
06/10/2004 | US20040107800 Process for cold briquetting and pelletisation of ferrous or non-ferrous ores or mineral fines by iron bearing hydraulic mineral binder |
06/09/2004 | EP1426451A1 METHOD FOR PRODUCING REDUCED IRON COMPACT IN ROTARY HEARTH REDUCING FURNACE, REDUCED IRON COMPACT, AND METHOD FOR PRODUCING PIG IRON USING THE SAME |
06/09/2004 | EP1425428A2 Method for obtaining cobalt and nickel from ores and ore concentrates |
06/09/2004 | EP1425427A1 Iron ore briquetting |
06/09/2004 | CN1502709A Technology for treating calcined pyrite by chemical submersion washing method |
06/09/2004 | CN1152968C Adhesive for nodulizing in non-ferrous metals and its preparing process |
06/08/2004 | US6745679 Grinding sludge compacting machine |
06/02/2004 | EP1424403A1 Procedure to agglutinate copper concentrates in a gravel heap, to be later leached on a non-flooded bed, to which an agglutinating solution containing calcium chloride, and a second solution containting sulfate ion, are added |
06/02/2004 | EP1423545A1 Iron ore briquetting |
06/02/2004 | EP1117845B1 Method for the production of a bulk of molten metal, a metallurgical product, and use of such a product |
06/02/2004 | CN1500891A Mini-pelletized sinter produced by sludge containing ferrum and production process thereof and special shaft furnace |
06/02/2004 | CA2450525A1 Process for leaching acid-consuming ores |
06/01/2004 | US6743275 Alkaline metal silicate; recycling the particles |
06/01/2004 | CA2069482C Modified native starch base binder for pelletizing mineral material |
05/27/2004 | US20040099396 Method for forming consumable electrodes from metallic chip scraps |
05/26/2004 | EP1422303A1 Method of producing metal foam bodies of Zn-alloys |
05/26/2004 | EP1216312B1 Process for manufacturing corrosion resistant composite metal products |
05/26/2004 | CN1151288C Process for decomposing rare-earth ore by acid method |
05/26/2004 | CN1151280C Techlogy for smelting iorn in blast furnace with pre-reducing coal-base pellets |
05/25/2004 | US6739454 Reaction of the methyl or ethyl ester of a fatty acid having 6 to 22 carbon atoms with a hydroxylamine salt and an alkali metal hydroxide in the presence of water, either a hydrocarbon oil or a fatty oil |
05/21/2004 | WO2004042094A1 Reducing cyanide consumption in gold recovery from finely ground sulphide ores and concentrates |
05/19/2004 | CN1498280A Method for using pre-jel for producing self-reducing agglomerates |
05/18/2004 | CA2238383C Process of hot briquetting granular sponge iron |
05/15/2004 | CA2850216A1 Method for thiosulfate leaching of precious metal-containing materials |
05/13/2004 | WO2004040027A1 A process for simultaneous recovery of chromium and iron from chromite ore processing residue |
05/13/2004 | WO2004039492A2 Gas cleaning process and equipment therefor |
05/13/2004 | US20040089102 Unit and method for the treatment of shredder residues and use of granulate fraction thus produced |
05/13/2004 | CA2505935A1 Gas cleaning process and equipment therefor |
05/12/2004 | CN1495279A Method for removing coating on magnesium alloy material |
05/11/2004 | US6733565 Metal powders provide rapid dissolution of the alloy and improved heat transfer |
05/11/2004 | CA2112249C Heat processing apparatus |
05/06/2004 | WO2004038048A1 Method and device for carrying out a tribochemical reaction |
05/06/2004 | WO2004038047A1 Process for magnesium granules |
05/06/2004 | US20040086820 To reduce and remove the build-up formed on the fluidized bed grate in the roasting of fine-grained material by increasing the feed of gas using extra gas jets situated above the grate |
05/06/2004 | US20040086438 Process for simultaneous recovery of chromium and iron from Chromite Ore Processing Residue |
05/06/2004 | US20040083853 Heating, carbonizing the biomass in an oxygen-free furnace, reducing the metal oxide, agglomerating the mixture, melting; producing reduced iron from iron oxide by using biomass as reducing agent |
05/06/2004 | DE10249163A1 Verfahren und Vorrichtung zur Nutzung von Faraday-Instabilitäten zur Durchführung von tribochemischen Reaktionen A method and apparatus for utilizing Faraday instabilities on the implementation of tribochemical reactions |
05/05/2004 | CN1493707A New technology of copper convertor flue dust slag cluster smelting lead and its cluster formale |
04/29/2004 | WO2004035845A1 Process and apparatus for extracting zinc |
04/29/2004 | WO2004035844A1 The process for extracting gold in arsenic-containing concerntrate of gold and the equipment thereof |
04/29/2004 | US20040081603 Beneficiation process for concentration/calcination of zinc silicate ores minerales |
04/29/2004 | US20040081602 Roasting raw materials; using leaching solutions |
04/29/2004 | US20040080084 Empty-can treatment system and empty-can treatment method |
04/29/2004 | US20040079262 Plant for the thermal treatment of material and operation process thereof |
04/28/2004 | EP1412544A1 Method for recovering nickel and eventually cobalt by extraction from nickel-containing laterite ore |
04/28/2004 | EP1294953B1 Device for directly reducing ore fine and installation for carrying out said method |
04/28/2004 | CN1147597C Cold-consolidated rusted cake containing iron dust |
04/27/2004 | CA2252599C Fluidized bed roasting process |
04/27/2004 | CA2114439C Ore pelletisation |
04/22/2004 | WO2004033734A1 Process for extracting quantities of precious metals |
04/22/2004 | US20040076578 Comprises tubular reactor with continuous serpentine path; comprises pretreated feedstock including ilmenite, leueoxene, or titania slag leached with hot hydrochloric acid |
04/22/2004 | US20040074339 A method and apparatus of reclaiming magnesium from post consumer scrap and/or secondary magnesium turnings by feeding the post consumer scrap and/or secondary magnesium turnings into a rotary tray dryer and subjecting the post consumer |
04/21/2004 | EP1409752A2 Use of oil-charged mill-scale in shaft furnaces and converters |
04/21/2004 | CN1490418A Method and system for extracting gold from arsenic contained headings |
04/21/2004 | CN1146670C On-line denitration method for sinter process |
04/15/2004 | WO2004031421A2 Binder composition and process for agglomerating particulate material |
04/15/2004 | US20040071583 Continuous band sintering iron oxide bearing ferroalloy using carbon-bearing material as the reducing agent |
04/15/2004 | CA2499146A1 Binder composition and process for agglomerating particulate material |
04/14/2004 | EP1408124A1 Method for producing feed material for molten metal production and method for producing molten metal |
04/14/2004 | CN1489635A Fluidized bed chloride method for obtaining metal oxide concentrate, expecially titanium dioxide ERE |
04/13/2004 | US6719144 Method of separating oxide from dross, device for separating oxide from dross, and jet solder tank |
04/09/2004 | CA2444158A1 Method for producing feed material for molten metal production and method for producing molten metal |
04/08/2004 | WO2004029308A1 Method for osmium distillation into gas phase from sulphur-acid sludge of copper production |
04/08/2004 | US20040067155 Consumable electrodes; cold molding into cylindrical briquets; sealing capsules; pressurization; deformation |
04/08/2004 | US20040065987 Apparatus for leaching zinc concentrates |
04/07/2004 | EP1405925A1 Method of manufacturing metal iron |
04/07/2004 | EP1405924A1 Method for producing granular metal |
04/07/2004 | CN1488004A Improved beneficiation process for concentration/calcination of zinc silicate ores and minerals |
04/04/2004 | CA2444309A1 Chemical formulations for treating self-heating metal ores |
04/01/2004 | WO2003100412A3 Method of ore treatment |
04/01/2004 | US20040060393 Concentrate fed into furnace from wall of furnace; oxygen-containing gas fed via gas nozzles under grate in bottom of furnace to fluidize the concentrate and oxidize it during fluidization |
03/31/2004 | EP1403389A1 Method for producing briquettes from finely dispersed metal oxides |
03/31/2004 | EP1402077A1 Method for compacting rolling-mill scale |
03/31/2004 | EP1401583A1 Method and device for fine grinding of mineral particles |
03/31/2004 | CN2608515Y Production equipment of low carbon manganese iron |
03/25/2004 | WO2004024961A1 Method for reduction treatment of metal oxide or ironmaking waste, and method for concentration and/or recovery of zinc and/or lead |
03/25/2004 | WO2004024960A1 Method for producing a zinc-containing sinter for use as feedstock for thermal zinc extraction |
03/18/2004 | WO2004022795A1 Process for recovering platinum group metals from material containing base metals |
03/18/2004 | WO2004022219A1 Propulsive nozzle injection method in fluidised bed reactors |
03/18/2004 | US20040050209 Method for the stabilization of a fluidized bed in a roasting furnace |
03/18/2004 | DE10240766A1 Production of a zinc-containing sinter used as feed material for the thermal recovery of zinc comprises sintering a zinc-containing secondary raw material to which a sulfur-containing secondary energy carrier has been added |