| Patents for C22B 4 - Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys (1,486) |
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| 06/15/2010 | US7736413 Graphite electrodes for production of aluminum by carbothermic reduction of alumina are either submerged in molten bath in low temperature compartment or horizontally arranged in side walls of high temperature compartment; carbonization; graphitization; improved flexibility, electroconductivity |
| 06/10/2010 | US20100143781 Methods for the preparation and purification of electrolytes for redox flow batteries |
| 06/09/2010 | CN101724752A Method for smelting medium ferrovanadium |
| 06/09/2010 | CN101724751A Method for smelting high vanadium ferrovanadium |
| 06/09/2010 | CN101285131B Furnace for abstracting high-purity magnesium metal by electromagnetic method |
| 06/03/2010 | US20100133462 One dimension and nano magnetic wires and manufacturing method thereof |
| 06/01/2010 | US7727302 maintaining slag layer on molten bath that has thickness sufficient to support feed material while minimizing heat transfer through slag layer and minimizing resistance of vapor phase components from transferring through slag layer; fluidity of slag layer is controlled by heating and adjusting chemistry |
| 05/27/2010 | WO2010058188A1 Plasma method and apparatus for recovery of precious metals |
| 05/27/2010 | US20100126309 Method for recovering molybdenium, nickel, cobalt or their mixtures from used or regenerated catalysts |
| 05/27/2010 | CA2780696A1 Plasma method and apparatus for recovery of precious metals |
| 05/26/2010 | CN101713027A Iron trapping and casing technological method in FeV50 smelting by electro-silieothermic process |
| 05/20/2010 | WO2010054449A1 Process for separating aluminum and similar components from cardboard packages |
| 05/19/2010 | CN101709380A Selection technology of electrical parameters and geometric parameters of large Fe-Ca-Si alloy electric furnace |
| 05/19/2010 | CN101709379A Proportioning method of large Fe-Ca-Si alloy electric stove |
| 05/12/2010 | CN1946476B Fine particle powder production |
| 05/11/2010 | CA2507992C Plasma synthesis of metal oxide nanopowder and apparatus therefor |
| 04/29/2010 | WO2010046712A2 A method and apparatus for the treatment of material with electromagentic radiation |
| 04/21/2010 | CN1985019B Method for producing wear-resistant and fatigue-resistant edge layers from titanium alloys, and correspondingly produced components |
| 04/14/2010 | CN101693949A Process for preparing energy-saving ore block for smelting ferrosilicon |
| 04/13/2010 | CA2334237C Removal of oxygen from metal oxides and solid solutions by electrolysis in a fused salt |
| 04/01/2010 | US20100080726 Composition and methods of preparation of target material for producing radionuclides |
| 03/25/2010 | WO2010033108A1 Sidewall and bottom electrode arrangement for electrical smelting reactors and method for feeding such electrodes |
| 03/25/2010 | CA2680810A1 High temperature pyrometallurgical reduction process for the recovery of fused refractory metal oxides and the production of vanadium-rich iron alloys from mining residues or metallurgical wastes by produced during the beneficiation and upgrading of titania slags |
| 03/24/2010 | CN100595297C Gold extraction process with low pollution and high recovery for refractory gold concentrate |
| 03/18/2010 | WO2010028459A1 Direct reduction |
| 03/18/2010 | US20100064850 Carbothermic processes |
| 03/16/2010 | US7678339 Fine particle powder production |
| 03/11/2010 | WO2010025519A1 Method and apparatus for separating clay from ore fragments |
| 03/04/2010 | WO2010023413A1 Pentacyclic anion salt and use thereof as an electrolyte |
| 03/04/2010 | WO2010022473A1 Production of ferro-alloys |
| 03/04/2010 | US20100050811 Method of smelting copper |
| 03/04/2010 | CA2735470A1 Production of ferro-alloys |
| 02/25/2010 | US20100047108 Process for manufacturing steel blanks |
| 02/25/2010 | US20100044483 Plasma whirl reactor apparatus and methods of use |
| 02/25/2010 | US20100044477 Plasma whirl reactor apparatus and methods of use |
| 02/18/2010 | US20100037728 Method for reducing chromium containing raw material |
| 02/11/2010 | US20100031771 Method for reducing oxidic slags and dusts and inductively heatable furnance for carrying out this method |
| 02/04/2010 | US20100025899 Method and device for operating a change converter unit of an oxygen steel-making plant |
| 02/04/2010 | US20100024595 Method and Apparatus for Treating Return Ores Using Plasma |
| 02/03/2010 | CN100588305C Method for forming plasma |
| 02/02/2010 | US7655182 Method for fabricating a metallic article without any melting |
| 01/20/2010 | CN100584132C Power device in electronic optical path system of electronic bundle impact furnace |
| 01/19/2010 | US7648551 Furnace is weighed periodically to detect quantity of discharged scrap inside furnace itself, temperature of liquid bath inside furnace is detected periodically and discharge delivery of scrap in furnace is detected by weighing and is regulated to maintain temperature of bath at pre-determined value |
| 01/14/2010 | DE102008033558A1 Verfahren und Anlage zur Herstellung von Calcine-Produkten Process and apparatus for the production of calcine products |
| 12/29/2009 | US7637307 Adjustable feed chute and associated method of feeding and melting |
| 12/29/2009 | CA2362294C Treatment of metal sulphide concentrates by roasting and arc furnace smelt reduction |
| 12/23/2009 | CN101608261A Method for producing high carbon ferro-chrome by using chromite powder |
| 12/23/2009 | CN100572572C Method for producing aluminum silicon alloy using aluminum gray and coal gangue composite castoff |
| 12/15/2009 | US7632329 selectively preparing lumps of n-type scrap silicon containing a specific impurity element as a dopant, crushing the prepared lumps of scrap silicon, placing the crushed silicon into a vacuum vessel, irradiating the crushed silicon with an electron beam to melt it and vaporize dopant, solidifying the Si |
| 12/09/2009 | CN201360360Y Automatic electrode insertion-depth control device for submerged electric furnace |
| 12/09/2009 | CN101597695A Method for smelting zinc by electric heating rotary kiln |
| 12/03/2009 | US20090293671 Electric Arc Furnance Steelmaking |
| 11/26/2009 | WO2009141234A1 Process for the phase transformation of substances |
| 11/25/2009 | EP2121995A1 Dynamic asymmetric nvram partitioning of communication devices in remote-upgradeable environments |
| 11/25/2009 | CN100563399C Power supply control method and power supply device for electron beam generating system of electron beam bombardment furnace |
| 11/24/2009 | US7622693 Plasma whirl reactor apparatus and methods of use |
| 11/19/2009 | WO2009139667A1 Method and device for the pressure production of chemically active metals |
| 11/19/2009 | WO2009139666A1 Method and device for producing chemically active metals by rod electrical resistance |
| 11/19/2009 | US20090285714 Implantable medical Devices Composed of a Radiopaque Alloy and Method of Making the Alloy |
| 11/11/2009 | CN101575677A Method for producing titanium-rich materials and steel products through titanium mine |
| 10/29/2009 | US20090266200 Method for Reducing Metal Oxide Slags or Glasses and/or for Degassing Mineral Melts, and Device for Carrying Out Said Method |
| 10/29/2009 | DE102008020523A1 Duktile Magnesiumlegierung Ductile magnesium alloy |
| 10/27/2009 | US7608798 Plasma catalyst |
| 10/22/2009 | US20090260481 Method for producing titanium metal |
| 10/21/2009 | CN201330275Y Chromium iron alloy electric furnace distributor |
| 10/21/2009 | CN201330274Y Weighting mechanism of a chromium iron alloy electric furnace distributor |
| 10/21/2009 | CN201330273Y Chromium iron alloy electric furnace distributor |
| 10/20/2009 | US7604680 Producing nickel-base, cobalt-base, iron-base, iron-nickel-base, or iron-nickel-cobalt-base alloy articles by reduction of nonmetallic precursor compounds and melting |
| 10/08/2009 | US20090249919 Method for the continuous or discontinuous extraction of a metal or several metals from a slag that contains the metal or a compound of the metal |
| 10/01/2009 | WO2009120108A1 Method for producing chemically active metals and slag recovery and a device for carrying out said method |
| 10/01/2009 | WO2009120089A1 Method and device for heating a fluid |
| 10/01/2009 | US20090243168 Apparatus for plasma synthesis of rhenium nano and micro powders |
| 10/01/2009 | CA2719105A1 Method and device for heating a fluid |
| 09/30/2009 | CN101545048A Method for producing ferro-silicon by using a copper smelting waste slag electric stove integral deoxidation and reduction |
| 09/30/2009 | CN101545047A Method for producing microalloy ferro-silicon by using a nickle smelting waste slag electric stove integral deoxidation and reduction |
| 09/30/2009 | CN101545046A Method for producing microalloy ferro-silicon by using a nickel, copper and cobalt smelting waste slag electric stove integral deoxidation and reduction |
| 09/30/2009 | CN101545045A Method for producing microalloy ferro-silicon by using a ferrous metasilicate electric stove integral deoxidation and reduction |
| 09/30/2009 | CN101545044A Method for producing ferro-silicon by using a ferrous metasilicate electric stove integral deoxidation and reduction |
| 09/30/2009 | CN101545043A Method for producing ferro-silicon by using a ferrous metasilicate electric stove integral deoxidation and reduction |
| 09/30/2009 | CN101545042A Method for producing microalloy ferro-silicon by using a ferrous metasilicate electric stove integral deoxidation and reduction |
| 09/30/2009 | CN101545041A Method for producing microalloy ferro-silicon by using a nickel, copper and cobalt smelting waste slag electric stove integral deoxidation and reduction |
| 09/30/2009 | CN101545040A Method for producing microalloy ferro-silicon by using a nickle smelting waste slag electric stove integral deoxidation and reduction |
| 09/30/2009 | CN101545039A Method for producing ferro-silicon by using a copper smelting waste slag electric stove integral deoxidation and reduction |
| 09/23/2009 | EP2102372A1 Metohd and apparatus for treating return ores using plasma |
| 09/22/2009 | US7592564 Plasma generation and processing with multiple radiation sources |
| 09/17/2009 | US20090229410 applying a controlled vacuum on headspace of channel induction furnace processing wastes to control amount of ambient air that enters furnace or adding oxygen into channel induction furnace; controlling carbon concentration in molten bath to control fluidity of bath; energy efficient |
| 09/17/2009 | US20090229409 recycling the waste iron dust from the production of steel; avoiding the formation of islands of materials that are fed into the channel induction furnace; continuously maintaining the thickness of the slag layer so that the thickness is sufficient to support the waste material; metal working |
| 09/17/2009 | US20090229407 Reductant addition in a channel induction furnace |
| 09/17/2009 | US20090229406 Slag control in a channel induction furnace |
| 09/15/2009 | US7589046 In rotary tube furnace through which gas stream flows, tube-bundle reactors for partial gas-phase oxidation of acrolein to acrylic acid |
| 09/15/2009 | CA2429026C Intermetallic compounds |
| 09/11/2009 | WO2009110819A1 Method for producing chemically active metals and a device for carrying out said method |
| 09/09/2009 | EP2021518B1 Method and device for chlorination of ore-bearing materials |
| 09/09/2009 | CN100537784C Electric reducing furnace |
| 09/01/2009 | US7582133 Methods for reducing carbon contamination when melting highly reactive alloys |
| 08/27/2009 | WO2009103120A1 Reduction of silica |
| 08/27/2009 | US20090211398 Process and Arrangement for Extracting a Metal from Slag a Containing Said Metal |
| 08/18/2009 | US7576296 Thermal synthesis apparatus |
| 08/13/2009 | WO2008100650A8 Low carbon aluminum production method using single furnace carbothermic reduction with off-gas treating and recycling |
| 08/13/2009 | US20090199679 Injecting carbon/alumina into molten aluminium bath superheated at > 1400 degrees C; aluminum carbide from carbon reacting with aluminium; alumina mass heated at 1700-2000 degrees C. to producing aluminium/carbon monoxide;low-level volatilzed aluminum due to relatively low temperatures; cost efficiency |