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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/2006/010229A1 |
A process for selectively forming a morphology of reduced material is disclosed. The reduced material, such as titanium, is formed by a process of electrochemically reducing a metal oxide feed material, such as titania, in a solid state ...
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WO/2006/010228A1 |
A process for minimising reoxidation of reduced material is disclosed. The process applies to reduced material that has been formed by a process of electrochemically reducing a metal oxide feed material, such as titania, in a solid state...
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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/2006/000025A1 |
A method of producing titanium semi-finished or ready-to-use products from titanium oxide powders and/or pellets is disclosed. The method produces products that are not affected adversely by levels of chlorine that have an impact on perf...
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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/2005/121026A1 |
The invention relates to a method for producing titanium dioxide according to the sulfate process during which a titanium-containing starting material is mixed with sulfuric acid to form a reaction mixture, and this reaction mixture, in ...
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WO/2005/116278A1 |
Novel feedstock compositions for use in a fluidized bed chlorinator of a chloride process for making titanium dioxide pigments and methods for preparing the feedstock composition are describe and claimed, which feedstock compositions ena...
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WO/2005/116277A1 |
A process for upgrading an inferior grade of zircon to a superior grade thereof grade thereof includes mixing the inferior grade of zircon, in comminuted form, with at least one mineralizer, to obtain a zircon/mineralizer mixture, which ...
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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/2005/110923A1 |
The invention relates to a method for producing spherical tungstic acid powder by acidifying an aqueous solution of alkaline tungstate with mineral acid at a high temperature, preferably in a continuously stirred tank reactor or a cascad...
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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/2005/090619A1 |
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/2005/090640A1 |
A process for electrochemically reducing metal oxide feed material in a solid state is disclosed. The process includes the steps of agitating an electrolyte and metal oxide powders in the electrolyte and applying an electrical potential ...
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WO/2005/084850A1 |
A cold hearth melting and refining arrangement (10) for reactive or refractory metals utilizes an electron beam (410) to automatically clean the perimeter of the pool of molten material (300) in the hearth (10). A programmable logic cont...
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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/2005/083135A1 |
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/2005/080643A1 |
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/2005/079983A1 |
A method for obtaining a material containing recovered molybdenum for use in the preparation of a catalyst from a molybdenum-containing material containing at least molybdenum, A element (phosphorus and/or arsenic) and X element (at leas...
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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/2005/077572A1 |
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/2005/068668A1 |
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/2005/068687A2 |
Carbon anode butts produced by the partial consumption of carbon anodes during the production of aluminum in electrolytic aluminum reduction cells are used, preferably in admixture with calcined petroleum coke, as the carbonaceous reduct...
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WO/2005/068681A2 |
A method of cleaning tantalum-containing deposits from a surface of a process chamber component includes immersing the surface of the component in a cleaning solution having a ration of HF to HNO3 of from about 1:8 to about 1:30 by weigh...
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WO/2005/066379A1 |
A process for treating neutralized waste solids from the processing titanium-bearing ores, whereby the neutralized waste solids are contacted with an acid under conditions effective to dissolve at least some of the waste solids, and then...
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WO/2005/056844A1 |
The invention relates to technology for producing powder titanium and the chemical compounds thereof from natural titanium-containing concentrates including a method for producing a high-purity titanium tetrafluoride from natural titaniu...
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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/2005/049872A1 |
A process for leaching a value metal from a titanium-bearing ore material comprising the step of leaching the ore material at atmospheric pressure with a lixiviant comprising a chloride and hydrochloric acid is disclosed. The leaching co...
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WO/2005/049882A1 |
A high purity hafnium, characterized in that it has a purity of 4N or higher, with the exception of zirconium and gas components, and has an oxygen content of 40 wt ppm or less; a target and thin film comprising the high purity hafnium; ...
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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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WO2005028369B1 |
The present invention seeks to improve beneficiation of a titanium oxide-containing composition (such as a low-grade or highly radioactive TiO2 ore) by combining a roasting and selective leaching steps.
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WO/2005/042791A1 |
The invention relates to a method for decontaminating a material containing hexavalent chrome using a liquid. According to said method, the material is lixiviated in order to form a liquid phase and a solid phase. The invention is charac...
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WO/2005/042792A1 |
A transfer mechanism between a first vessel containing a slurry of liquid and solids and a second vessel with at least one of said first and second vessels being under a protective atmosphere and/or vacuum. There is a housing in communic...
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WO/2005/042405A1 |
The present invention relates to a unique process for production of titanium concentrate with low contents of radionuclide elements from anatase mechanical concentrates. This high TiO2 containing concentrate is essentially directed for t...
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WO/2005/040436A1 |
The invention pertains to a method for processing metal chloride residues that are contaminated with heavy metals and that are generated during the manufacture of titanium dioxide using the chloride process. The metal chloride residues a...
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WO/2005/038060A1 |
A sulfate process for producing titania from titaniferous material is disclosed. The process includes precipitating titanyl sulfate from leach liquors containing acidic solutions of titanyl sulfate. The process is characterised by: (a) m...
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WO/2005/038092A1 |
A process for electrochemically reducing a metal oxide feed material in a solid state in an electrolytic cell is disclosed. The cell includes a molten bath of electrolyte, an anode, a cathode, and a means for applying a potential across ...
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WO/2005/035805A1 |
A method for producing Ti or a Ti alloy through the reduction of TiCl4 by Ca, which comprises holding a molten salt containing CaCl2 and having Ca dissolved therein in a reaction vessel and reacting Ca in the molten salt with a metal chl...
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WO/2005/035806A1 |
A method for producing Ti or a Ti alloy using the reduction by Ca, which comprises a reduction step of holding a molten salt containing CaCl2 and having Ca dissolved therein in a reaction vessel (1) and reacting Ca in the molten salt wit...
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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/2005/033363A1 |
fluid barrier along the inside surface of ductwork between 0 reactor and subsequent product separation and recovery apparatus to reduce the buildup of solids on the ductwork from 0 gaseous product mixture conveyed through the ductwork. B...
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WO/2005/028368A1 |
Rutile phase is selectively procured through a process comprising heating ilmenite ore so as to effect oxidation thereof resulting in transformation into one having a pseudobrookite phase and a rutile phase as two stable crystal phases a...
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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/2005/026397A2 |
This invention relates to a process and a plant for the heat treatment of solids containing titanium. For this purpose, the fine-grained solids are heated to a temperature of 700 to 1000 °C in a reactor (4) with circulating fluidized ...
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WO/2005/026398A2 |
Apparatus and process for making nanofibers by reactive electrospinning including an in-line mixer (6), an in-line chemical reactor (10), coil heaters (11), an electrospinning capillary (12) and a sheath gas tube (13). The reactants are ...
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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/2005/021809A1 |
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/2005/021807A2 |
A system, method and apparatus for treating a slurry of liquid metal and solid particles is disclosed using various combinations of vacuum distillation and transfer with hot inert gas. Various mechanisms are disclosed for sealing inerted...
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