Patents for C22B 5 - General processes of reducing to metals (5,378)
02/2005
02/02/2005CN2675304Y Carbonyl compound decomposer nozzle
02/02/2005CN2675303Y Decomposer for carbonylation production of metal powder
02/02/2005CN2675302Y Decomposer for producing carbonyl metal powder
02/01/2005US6849101 Method using selected carbons to react with Al2O and Al vapors in the carbothermic production of aluminum
01/2005
01/27/2005WO2005007906A1 Method for the production of metal powders or metal hydride powders of the elements ti, zr, hf, v, nb, ta and cr
01/27/2005US20050019581 Reacting NbOy ( y<1.8<2.1) with a stoichiometric amount of niobium metal, in the presence of hydrogen; reduce the consumption of high-purity magnesium; used to fabricate anodes for solid electrolyte capacitors
01/27/2005US20050016854 Slip-casting a metal compound, sintering in air, vacum, or inert gas, and electrolytically reducing in molten salt forming a porous metal or alloy; then electrolytic reduction and infiltration of the pores; superconductors
01/27/2005CA2532128A1 Method for the production of metal powders or metal hydride powders of the elements ti, zr, hf, v, nb, ta and cr
01/26/2005CN1571866A Method and apparatus for smelting titanium metal
01/20/2005WO2005005674A1 Recovery of non-ferrous metals from zinc residues
01/19/2005EP1274870B1 Ferroalloy production
01/13/2005WO2005003397A1 Mechanical separation of volatile metals at high temperatures
01/13/2005WO2005002766A1 A method and apparatus for the production of metal compounds
01/13/2005CA2530527A1 Mechanical separation of volatile metals at high temperatures
01/13/2005CA2526483A1 A method and apparatus for the production of metal compounds
01/12/2005EP1017619A4 Oxygen-fuel boost reformer process and apparatus
01/12/2005CN2670375Y Carbon monoxide and liquid carboxide separator in carbonyl synthesis
01/12/2005CN2670374Y Filter for separating crystal cobalt carbonyl from liquid cobalt carbonyl mixture
01/12/2005CN2669969Y Entrance opening mechanism of oxo reactor
01/12/2005CN1563443A Equipment for intensifying hydrogen reductiion for metallic oxide
01/06/2005WO2005001362A1 High temperature process
01/06/2005US20050000320 Combined pre-treatment process for enabling feed material to be charged in direct reduction processes
01/05/2005EP1493830A1 Smelt reduction method for processing slags and dusts from stainless steelmaking
01/05/2005EP1492905A1 Reduction of metal oxides in an electrolytic cell
12/2004
12/30/2004US20040262823 Direct smelting plant
12/30/2004US20040261577 Recovering zinc from a metal waste, using a cyclone separator to separate, filtration, heating to evaporate, oxidation, recovering volatile zinc from electric arc furnace dust; demetallization, purification,
12/30/2004US20040261573 Reacting a halide with reducing agents in solid phase in fluidized bed
12/29/2004WO2004113593A1 Electrochemical reduction of metal oxides
12/29/2004WO2004113230A1 Extraction process for reactive metal oxides
12/29/2004EP1257679B1 Electrolytic reduction of metal oxides such as titanium dioxide and process applications
12/29/2004CN1557979A Technology for producing and reducing ilmenite using rotary kiln
12/29/2004CN1182265C Method for reduction of nickel
12/29/2004CN1182264C Method for producing zinc using IS shaft furnace and corresponding IS shaft furnace
12/23/2004US20040255721 Heating and reduction of metal precursor compound to metal using alcoholic solvent
12/22/2004EP1489192A1 Electrolytic reduction of metal oxides such as titanium dioxide and process applications
12/22/2004CN1180910C Niobium powder and method for producing niobium and/or tantalum powder
12/21/2004US6833058 Titanium-based and zirconium-based mixed materials and sputtering targets
12/21/2004US6833019 Microwave assisted continuous synthesis of nanocrystalline powders and coatings using the polyol process
12/16/2004US20040253175 Electrostatically enhanced tribochemical methods and apparatus
12/09/2004DE10323507A1 Verfahren zur Rückgewinnung von metallischen Elementen, insbesondere metallischem Chrom, aus metalloxidhaltigen Schlacken im Elektrolichtbogenofen Process for the recovery of metallic elements, particularly metallic chromium, from slags containing metal oxide in the electrical arc furnace
12/08/2004CN1553964A Method and apparatus for practicing carbonaceous-based metallurgy
12/02/2004WO2004104233A1 Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace
12/02/2004WO2004090173A8 Direct smelting plant
12/02/2004US20040237711 Continuous thermal electrolytic reduction of titanium oxide using molten calcium chloride and calcium oxide; controlling dissolved oxygen concentration; low cost commercial production
11/2004
11/25/2004WO2004101832A2 Microwave enhancement of the segregation roast
11/25/2004WO2004101828A1 Method for utilizing slag
11/25/2004WO2004101434A1 The metallurgical method of receiving the high purity silicon powder by chemical processing
11/25/2004DE10319626A1 Fluid bed process for heat treatment of bulk mineral solids, e.g. iron ore, comprises supply of higher-power fluidization gas near solids inlet zone
11/25/2004CA2525926A1 Process for the utilization of slag
11/24/2004CN1177068C Method for producing iron alloy by raw coal instead of coke
11/24/2004CN1176771C Rotary kiln process of producing reducing ilmenite powder for welding electrode
11/23/2004US6821314 Capacitor powder
11/23/2004CA2283070C Integrated direct reduction iron system
11/18/2004WO2004099069A1 Method for reducing metal oxide and method for producing hydrogen
11/18/2004WO2001034858A9 Carbothermic process for production of metals
11/17/2004EP1276912A4 A direct smelting process and apparatus
11/11/2004WO2004097055A2 Fluidized bed for treating iron oxide
11/11/2004WO2004026511A3 Method and apparatus for controlling the size of powder produced by the armstrong process
11/10/2004CN1545562A Reduction smelting method in a shaft furnace with recovery of volatile secondary metals
11/09/2004CA2302214C Oxygen-fuel boost reformer process and apparatus
11/04/2004DE10249521B4 Verfahren zur Herstellung von zumindest nahezu palladiumoxidfreiem Palladium, insbesondere Palladiumschwamm A process for producing at least almost palladiumoxidfreiem palladium, especially palladium sponge
11/03/2004CN2652567Y Uniform flow type double layer vessel for tungsten powder reduction
11/03/2004CN1174107C Method for recycling valuable metal from stainless steel dust
11/02/2004US6811765 Thermal treatment of fine grain materials in a coarse-grain fluidized bed
10/2004
10/28/2004WO2004092421A1 Method and apparatus for producing reduced metal
10/28/2004US20040213719 Mercury recovery method and mercury recovery apparatus
10/28/2004US20040211293 vapor-phase reduction of metal halides to form steel in sponge or powder form; hot isotatic pressing, forging, pressing and sintering, or containered extrusion; to produce a gas turbine component
10/27/2004EP1471155A2 Method for fabricating a martensitic steel without any melting
10/27/2004EP1242639B1 Equipment for the even feed of pulverous material to a concentrate burner of suspension smelting furnace
10/27/2004EP0979313B1 Method for thermal treatment of granulated iron ore before reduction
10/21/2004WO2004090175A1 Method for producing improved coal for use in metallurgy, and method for producing reduced metal and slag containing oxidized nonferrous metal
10/21/2004WO2004090173A1 Direct smelting plant
10/21/2004US20040208773 Method for preparing a metallic article having an other additive constituent, without any melting
10/20/2004EP1468766A1 Method for producing metal powder and metal powder, and electroconductive paste and monolithic ceramic capacitor
10/20/2004EP1468124A1 Reductive method for production of metallic elements such as chrome using a crucible with a perforated wall
10/20/2004EP1468123A1 Method for production of metallic elements of high purity such as chromes
10/20/2004CN1539024A Method for direct metal making by microwave energy
10/20/2004CN1537958A Method of reduction roasting high iron ilmenite
10/19/2004US6805723 Method and reactor for production of aluminum by carbothermic reduction of alumina
10/14/2004DE10319625B3 Heat treating solids, preferably iron oxide-containing solids, in a fluidized bed reactor comprises passing fluidizing gas through distribution plates to fluidize the solids
10/14/2004DE10297448T5 Verfahren zur Herstellung von Tantal- und/oder Niobpulvern mit hoher Oberflächenkennzahl A process for the production of tantalum and / or niobium powders having a high specific surface area
10/13/2004CN1170648C Metal powder and its preparation process
10/06/2004EP1102651B1 Purification process for chromium
10/06/2004CN1535326A Methods of forming titanium-based and zirconium-based mixed-metal materials and sputtering targets
10/06/2004CN1169643C Preparation method of high specific surface area tantalum powder and/or niobium powder
10/05/2004US6800112 Mercury recovery method
09/2004
09/30/2004WO2004083463A1 Process for producing particulate iron metal
09/30/2004WO2004018717A9 Electrostatically enhanced tribochemical methods and apparatus
09/30/2004US20040187642 Filling vessel with load of brazing sheet or metallic waste pieces; heating, liquefaction, rotation; removing molten alloy
09/30/2004CA2519049A1 Manufacturing method for granulated metallic iron
09/29/2004EP1462539A1 Processes for manufacture of coated metallic particles and composite material, and installation for carrying out these processes
09/23/2004WO2004081246A1 Method and reactor for production of aluminum by carbothermic reduction of alumina
09/23/2004WO2004081243A1 Method for recovering platinum group element
09/23/2004WO2004081238A1 Process for producing reduced matal and agglomerate with carbonaceous material incorporated therein
09/22/2004CN1531605A Hollow cathode target and methods of making same
09/22/2004CN1167930C Equipment for jetting granular material into container
09/16/2004WO2004070067A3 Microwave assisted continuous synthesis of manocrystalline powders and coatings using the polyol process
09/15/2004EP1456427A1 Integrated ammoniacal solvent extraction and hydrogen reduction of nickel
09/09/2004US20040173470 Reduction of metal oxides in an electrolytic cell
09/09/2004US20040173054 Method of manufacturing metal iron
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