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WO/2006/010224A1 |
A process for producing a metal from the corresponding metal halide by reaction of the metal halide at elevated temperature in a reactor comprising a fluidised bed, the fluidised bed comprising seed particles of an inert material that ha...
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WO/2006/010223A1 |
A process of producing a metal from the corresponding metal halide by reaction of the metal halide with a reducing agent to form the metal and a halide of the reducing agent, the reaction taking place at elevated temperature and at atmos...
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WO/2006/009982A1 |
A method of producing a refractory metal powder by (A) combining (i) an oxide particle component and (ii) a reducing agent; (B) forming a substantially uniform mixture of (i) and (ii); (C) continuously feeding the mixture into a furnace;...
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WO/2005/123986A1 |
A metal oxide feed material for an electrochemical reduction process is disclosed. The feed material is in the form of powders and/or pellets that have sufficient porosity, typically 35-60%, to enable penetration of molten electrolyte in...
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WO/2005/116273A1 |
A direct reduction process for a metalliferous material comprises: supplying a solid carbonaceous material and an oxygen-containing gas into a fluidised bed in a first vessel (3) and generating heat by reactions between the oxygen-cont...
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WO/2005/116280A1 |
A direct reduction process for a metalliferous material comprises supplying the metalliferous material, a solid carbonaceous material, an oxygen-containing gas, and a fluidising gas into a fluidised bed in a vessel and maintaining the fl...
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WO/2005/116274A2 |
A direct reduction process for a solid metalliferous material having a particle size distribution that at least in part comprises micron sized particles, comprises supplying the metalliferous material, a solid carbonaceous material, an o...
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WO/2005/113840A1 |
The invention relates to a method for reducing the chrome content in metallurgical slags, whereby the slags are fed in liquid form into an iron bath and Cr reduction occurs with the aid of the iron bath with a C content of 2 to 4 weight ...
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WO/2005/111248A1 |
An iron ore, a carbon material and a CaO based auxiliary material are used as materials for sintering, and the materials for sintering are charged into a sintering apparatus and constitute a material layer, wherein a plurality of particl...
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WO/2005/112511A1 |
Graphite electrodes for the production of aluminum by carbothermic reduction of alumina are either submerged in the molten bath in the low temperature compartment or they are horizontally arranged in the side walls of the high temperatur...
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WO/2005/105346A1 |
The invention relates to a method for the production of valve metal powders, particularly niobium and tantalum powder, by reduction of corresponding valve metal oxide powders by means of vaporous reducing metals and/or the hydrides there...
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WO/2005/103309A1 |
METALLOTHERMIC PROCESS FOR MAGNESIUM PRODUCTION is based on heating the batch mixture of calcined dolomite and ferrosilicon up to temperature of about 1200°C under residual pressure less than 670 Pa and condensing the magnesium vapor. T...
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WO/2005/102569A1 |
Active nickel powder is produced by reducing a feed material, containing one or more reducible nickel salts, such that when nickel chloride is present, the weight ratio of chloride to total nickel is greater than 0.1 and the reducible ni...
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WO/2005/098059A1 |
The process for converting a copper sulphide matte to blister copper, is achieved by adding the copper sulphide matte and flux to a suitable agitated slag phase; and injecting, from a discharge tip at the lower end of a top-submerged lan...
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WO/2005/090619A1 |
A process for producing titania from a solid, iron-containing titaniferous material (such as ilmenite) is disclosed. The process includes a first step of treating iron-containing titaniferous material under conditions that reduce ferric ...
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WO/2005/085485A1 |
The invention relates to non-ferrous metallurgy, in particular to devises for producing a titanium sponge by magnesium-thermal reduction of a titanium tetrachloride. The inventive device comprises a furnace, wherein a retort-reactor prov...
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WO/2005/085484A1 |
A process for selectively reducing calcine from a copper/nickel containing sulfidic material includes subjecting the calcine to a mildly reducing atmosphere at relative high temperatures. CuO is selectively converted to Cu2O which can ea...
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WO/2005/084111A2 |
An improved method and apparatus for pretreatment of solid lump feed material for gas and pellet/lump based reduction processes, by initially storing the lump feed material prior to charging into the reduction furnace (10) and finally in...
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WO/2005/083135A1 |
A mixed molten salt containing CaCl2 and NaCl is held in reaction vessel (1) at 600°C or below. Not only Na but also TiCl4 as a raw material for Ti is introduced in the reaction vessel (1). Na having been introduced in the reaction vess...
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WO/2005/083133A1 |
A method is disclosed for analyzing, by the use of a computer system, the state of reaction in a region wherein the reduction of zinc oxide for forming zinc is carried out as a main reaction, in the inside of a blast furnace for the pyro...
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WO/2005/080643A1 |
A process for producing a highly purified metallic Ti or Ti alloy, comprising, while retaining a molten salt containing CaCl2 wherein Ca is molten in a reaction vessel, not only carrying out electrolysis of the molten salt of the reactio...
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WO/2005/080610A1 |
The inventive method consists in partially reducing iron oxide materials by a plasma into which a carbonaceous fuel and an oxygen-containing gas are introduced, in forming the plasma jet directions in such a way that the longitudinal axe...
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WO/2005/080642A1 |
A process for producing a high-purity metallic Ti or Ti alloy, comprising, while retaining a molten salt containing CaCl2 and having Ca fused therein in reaction vessel (1), electrolyzing the molten salt of the reaction vessel and feedin...
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WO/2005/080616A1 |
The present invention relates to a process for reducing solids containing copper to obtain elemental copper, in which solids containing copper are introduced into a fluidized-bed reactor and are reduced therein with a reducing agent at a...
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WO/2005/077572A1 |
A method for producing a valve metal powder or lower oxide powder is characterized in that a hydroxide of a valve metal is reduced using a reducing agent. Alternatively, a method for producing a valve metal powder or lower oxide powder i...
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WO/2005/077573A1 |
A method for producing a valve metal powder is characterized in that a solid reducing agent is added to an oxide of a valve metal which has been heated to 900-1100&ring C or a mixture of such an oxide of the valve metal and the solid red...
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WO/2005/073412A1 |
A steelmaking process is disclosed. The process includes producing molten steel and molten steelmaking slag in a steelmaking process, the steelmaking slag including iron units and flux units, and thereafter producing molten iron in a mol...
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WO/2005/071126A1 |
The invention relates to a method for producing iron-nickel alloys from oxide materials and to a device for carrying out said method. The inventive method consists in pre-reducing oxide materials containing at least 0.4-0.7 % of nickel b...
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WO/2005/068668A1 |
Processes for producing valve metal are described, in which valve metal oxide (Ta205) is converted to valve metal (Ta) using a vapor-phase transport agent (I2) to form a gaseous valve metal species (TaI5) in the presence of a solid gette...
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WO/2005/067366A2 |
A supply system for providing a suspension smelting furnace with constant and continuous feed is disclosed. The installation of the invention comprises intermediate storage bins for fine-grained feed, a feed rate controller for accuratel...
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WO/2005/056843A1 |
In a method for recovering Al from an off-gas (3,4) produced during carbothermic reduction of aluminum utilizing at least one smelter (1,2), the off-gas (3,4) is directed to an enclosed reactor (5) which is fed a supply of wood charcoal ...
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WO/2005/051580A1 |
Novel forms of molybdenum metal (12), and apparatus (10) and methods for production thereof. Novel forms of molybdenum metal (12) are preferably characterized by a surface area of substantially about 2.1 m2/g to substantially about 4.1 m...
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WO/2005/052219A1 |
Described is an apparatus for the production of an elemental metal from a metal-containing compound comprising a solution containing ions of a first metal and a second metal, wherein the second metal is in colloidal form, and a related m...
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WO/2005/046912A1 |
A method for producing metallic tantalum or niobium without the use of fluorine through the reduction of a taltlum oxide niobium oxide in a dilution salt, wherein Na or Li is reacted with a molten dilution salt of one or more of chloride...
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WO/2005/040435A1 |
An electrochemical oxidative leach process extracts platinum group and incidental precious metals and/or recovers hydrocarbons from ore, such as rock, coal deposits and oil deposits. The process comprises immersing ore in a solution comp...
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WO/2005/035807A1 |
Methods and apparatuses for producing a solid metallic composition by reacting a gaseous metal halide with a reducing agent are described. The method generally includes reacting a gaseous metal halide with a reducing agent in a manner ef...
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WO/2005/033347A1 |
The present invention relates to a method of reducing a metal-oxygen compound wherein carbon acts as a reducing agent, comprising in a first reaction stage, passing CO gas into a reaction chamber containing said metal-oxygen compound, un...
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WO/2005/031014A1 |
The invention relates to a process for the separation and recovery of non-ferrous metals from zinc-bearing residues, in particular from residues produced by the zinc manufacturing industry. The process comprises the steps of: - subjectin...
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WO/2005/028145A2 |
A process in which an elemental material or an alloy thereof is made by the subsurface introduction of one or more of a vapor halide of the elemental material or components of an alloy into a stoichiometric excess of a liquid reductant a...
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WO/2005/023725A2 |
A method of continuously producing a non-oxide ceramic formed of a metal constituent and a non-metal constituent. A salt of the metal constituent and a compound of the non-metal constituent are introduced into a liquid alkali metal or a ...
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WO/2005/024074A1 |
A process for extracting crystalline TiO2 from a titanium oxides-bearing material is provided. First one produces a molten slag of a mixture of titanium oxides-bearing material comprising Tix0y, and fluxing agents comprising SiO2 and met...
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WO/2005/022062A1 |
The invention relates to an electric reducing furnace (1) for carrying out reduction processes, particularly for reducing slag in order to recover metallic constituents. The electric reducing furnace operates with electrical energy that ...
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WO/2005/021809A1 |
A method for producing a metal by the direct reduction of an oxide wherein a metal oxide is reduced with Ca, which comprises holding a molten salt containing CaCl2 as a main component in a reduction chamber (1), inserting a metal oxide i...
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WO/2005/014866A2 |
This invention relates to a process for reducing solids containing iron oxide, such as iron ore, in which fine-grained solids are heated and at least partly calcined in a pre heating stage (2, 9). In a first fluidized-bed reactor (14) do...
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WO/2005/012584A1 |
There are provided a production process of nickel metal, which can enhance nickel oxide reduction efficiency and can realize reduced energy and cost, and high-purity nickel metal. The process comprises the step of performing a contact re...
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WO/2005/007906A1 |
A method for the production of metal powders or metal hydride powders of the elements Ti, Zr, Hf, V, Nb, Ta and Cr is disclosed, whereby an oxide of the said elements is mixed with a reducing agent and said mixture, optionally with a hyd...
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WO/2005/005674A1 |
The invention relates to a process for the separation and recovery of non-ferrous metals from zinc-bearing residues, in particular from residues produced by the zinc manufacturing industry. The process allows for the valorisation of meta...
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WO/2005/002766A1 |
The present invention relates to a method and apparatus for the production of titanium alloys and titanium-aluminium inter-metallic compounds and alloys. Starting from a precursor material including titanium subchloride (titanium trichlo...
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WO/2005/003397A1 |
A method of operating mechanical separation devices at high temperatures to separate various volatile metals, metal halides and metal oxides to produce high purity materials, in particular to recover zinc or zinc oxide from electric are ...
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WO/2005/001362A1 |
A process for converting a starting material into a final product by reaction of the starting material with a gas in a furnace at elevated temperature followed by cooling of the final product using a cooler, wherein, prior to introductio...
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