| Document |
Document Title |
|
WO/2007/130483A2 |
Tantalum powder capable of providing a small-sized tantalum electrolytic capacitor while maintaining capacity is described. Fine tantalum particles with smooth surface are obtained by reducing potassium tantalum fluoride dissolved in mol...
|
|
WO/2007/127482A2 |
Aspects of the invention include methods for producing purified semiconductor or metallic materials such as silicon or titanium. In one embodiment, the methods include admixing a particulate composition of a material, for instance, a met...
|
|
WO/2007/127028A1 |
A process is provided for handling waste solids produced from the chlorination of titanium-bearing ores in the presence of coke as a reducing agent, in particular waste metal chloride solids from a chloride process for making pigmentary ...
|
|
WO/2007/122366A1 |
Steel and pigment-grade TiO2 with up to 99.99 % (TiO2 + ZrO2) are produced continuously by direct smelting ilmenite or titaniferous magnetite concentrates at ultra-high temperature. Both oxidic and metal phases are independently force ci...
|
|
WO/2007/109847A1 |
The present invention relates to a stepwise method for the production of titanium-aluminium compounds and some titanium alloys and titanium-aluminium inter-metallic compounds and alloys. In a first step an amount of aluminium is mixed wi...
|
|
WO/2007/105616A1 |
A method by which a metal-fog-forming metal dissolved in a molten salt comprising a molten salt containing the metal-fog-forming metal can be removed and transferred to another molten salt to heighten the concentration thereof. The metho...
|
|
WO/2007/099315A1 |
A process for reducing a metal-containing material, the process comprising: providing a metal-containing material (5), heating said metal-containing material by convective and/or conductive and/or radiative means (2), exposing said metal...
|
|
WO/2007/097823A2 |
A method of winning a metal from its oxide ore by heating the ore in a partial vacuum or under an inert atmosphere in the presence of a reductant. The resulting product may be further reduced electrochemically to produce a purer metal. T...
|
|
WO/2007/093135A1 |
The reactor primarily intended for titanium production, comprising a body (1) with the tubular jacket cooled by a cooling medium, which is equipped with melting electrodes (5) and which is adjusted for introduction of gaseous medium incl...
|
|
WO/2007/073574A1 |
The invention relates to a method for purifying molybdenum. Said method is characterized in that molybdenum is evaporated in the form of MoO3 from a molybdenum-containing starting material by means of an at least single-stage refining pr...
|
|
WO/2007/062434A2 |
The invention provides a mineral recovery process (10) which allows the processing of an ore (12) in order to separate iron (14), titanium (16), silica (18) and vanadium (20) from the ore which mineral recovery process includes the steps...
|
|
WO/2007/052801A1 |
The invention relates to production of lutile, which has high added value as refining raw material for metallic titanium, white pigment, photocatalyst, or functional coating material, with remarkably reduced energy and resource consumpti...
|
|
WO/2007/046975A2 |
This invention relates to a process for beneficiating a titaniferous ore. The process comprises leaching the titaniferous ore with sulfuric acid to form a leached ore, calcining the leached ore in the presence of oxygen to form a calcine...
|
|
WO/2007/044635A2 |
A titanium metal or a titanium alloy having submicron titanium boride substantially uniformly dispersed therein and a method of making same is disclosed. Ti power of Ti alloy powder has dispersed within the particles forming the powder t...
|
|
WO/2007/039938A1 |
A method of roasting in which both the C content and S content of roasted ore can be lowered to 0.5% or below and in which an Mo yield of 90% or higher can be ensured. For recovery of the valuable metals of V, Mo and Ni by reducing of a ...
|
|
WO/2007/034645A1 |
A process for producing Ti, comprising the reduction step of providing a molten salt containing CaCl2 and having Ca dissolved therein and reacting TiCl4 with the Ca to thereby form Ti particles, the separation step of separating the Ti p...
|
|
WO/2007/032228A1 |
The invention aims at providing methods for recovering molybdenum in a state usable as the raw material in the production of catalysts from a molybdenum-containing substance and a process for producing catalysts by use of the recovered m...
|
|
WO/2007/031246A2 |
The invention relates to a method for producing a valve metal. The inventive method comprises the step of melting, in a first vessel, a mixture including a valve metal precursor and a diluent. The invention also relates to powders produc...
|
|
WO/2007/026565A1 |
This invention provides a method for the electrolysis of a molten salt that can enhance metal fog formation metal concentration of the molten salt. In the method, electrolysis is carried out in such a state that a molten metal containing...
|
|
WO/2007/027466A2 |
A method of making an alloy of niobium that includes: A) forming a blend comprising niobium powder and a powder of a metal selected from the group consisting of yttrium, aluminum, hafnium, titanium, zirconium, thorium, lanthanum and ceri...
|
|
WO/2007/020338A2 |
The invention relates to a method of preparing calcium salts from the group containing calcium molybdate, calcium vanadate, calcium tungstate and mixtures of same. The inventive method is characterised in that it comprises the following ...
|
|
WO/2007/018805A2 |
The process of this invention is directed to the removal of metals from an unsupported spent catalyst. The catalyst is subjected to leaching reactions. Vanadium is removed as a precipitate, while a solution comprising molybdenum and nick...
|
|
WO/2007/014422A1 |
A process for electrochemically reducing a titanium oxide in a solid state in an electrolytic cell that includes an anode, a cathode, a molten CaCl2-based electrolyte containing CaO, and titanium oxide feed material in contact with the m...
|
|
WO/2007/007498A1 |
[PROBLEMS] To provide: a process for producing high-purity hafnium from a hafnium sponge reduced in zirconium content as a raw material, the high-purity hafnium being reduced in the contents of Fe, Cr, and Ni impurities, contents of Ca, ...
|
|
WO/2006/136948A2 |
The invention relates to a process for the chemical benef iciation of raw material containing tantalum-niobium such as wastes, scoria, concentrates and ores. The process comprises the step of decomposing the raw material with a carbonate...
|
|
WO/2006/105612A1 |
A sulfate process for producing titania from a titaniferous material as disclosed. The process is characterized by a particular step of precipitating titanyl sulfate.
|
|
WO/2006/105611A1 |
A sulfate process for producing titania from a titaniferous material as disclosed. The process is characterized by particular steps of separating precipitated titanyl sulfate from solution and subsequently treating the precipitated mater...
|
|
WO/2006/105613A1 |
A sulfate process for producing titania from a titaniferous material as disclosed. The process is characterized by a particular leach step for leaching titaniferous material.
|
|
WO/2006/105614A1 |
A sulfate process for producing titania from a titaniferous material as disclosed. The process is characterized by a particular step of precipitating titanyl sulfate from solution.
|
|
WO/2006/103944A1 |
In the production of Ti or a Ti alloy by reduction of Ca, a bath salt withdrawn from the step of reduction is electrolyzed, and Ca and the bath salt are recovered as a solid which is then transferred to the step of reduction. According t...
|
|
WO/2006/101850A1 |
A method of preparing primary refractory metais (e.g., primary tantalum metal) by contacting a particulate refractory metal oxide (e.g., tantalum pentoxide) with a heated gas (e.g., a plasma), is described. The heated gas comprises hydro...
|
|
WO/2006/098055A1 |
A method for separating and recovering a high melting point metal, wherein a molten salt(for example, calcium chloride) having a high melting point metal (for example, Ti) incorporated therein is heated and molten in an inert gas atmosph...
|
|
WO/2006/098199A1 |
TiCl4 gas is fed from raw material supply pipe (11) into molten CaCl2 fluid held in reaction vessel (6), so that the TiCl4 is reduced by Ca dissolved in the CaCl2 fluid to thereby form particulate metallic Ti. Any molten CaCl2 fluid havi...
|
|
WO/2006/092615A1 |
A cathode comprising an oxygen-containing compound, or a metal containing dissolved oxygen, is arranged in contact with a melt comprising a hydroxide of an alkali metal. An inert anode, advantageously comprising nickel, is also arranged ...
|
|
WO/2006/084318A1 |
A process for supplying solid chloride-containing electrolyte to an electrochemical cell (3) is described. The process includes supplying solid electrolyte into a section of the cell through at least one delivery means (13) in the cell t...
|
|
WO/2006/082677A1 |
A production method of a consumable electrode for melting, characterized in that an ingot can be placed such that the longitudinal central axis of the ingot is kept horizontal in re-melting employing the ingot melted by a consumable elec...
|
|
WO/2006/082484A2 |
Methods and systems for removing copper minerals from a molybdenite concentrate. One embodiment provides leaching copper from the molybdenite concentrate with a leaching solution comprising ferric chloride, removing molybdenite from the ...
|
|
WO/2006/079887A2 |
A method of producing titanium metal from a titanium-containing material includes the steps of producing a solution of M'TiF6 from the titanium-containing material, selectively precipitating M'2TiF6 from the solution by the addition of (...
|
|
WO/2006/061040A1 |
The invention relates to the production of valve metal powders, in particular, tantalum powders by reduction of a corresponding valve metal compound, for example, K2TaF7, with an alkali metal in the presence of a diluent salt, whereby th...
|
|
WO/2006/063221A2 |
A process for increasing the solubility of titanium in oxidized titanium compounds, titaniferous ore, ore concentrate, or mixtures thereof. The process includes adding an iron compound to the titaniferous ore or ore concentrate, mixing t...
|
|
WO/2006/056562A1 |
A method for continuously recovering titanium tetrachloride TiCl4 from a waste liquid comprising TiCl4 and by-products, wherein said waste liquid is subjected, as a flowing liquid film, to an evaporation step for a residence time of less...
|
|
WO/2006/052126A2 |
The invention relates to a process and apparatus for producing a purified chlorinator off-gas. In accordance with the invention, the chlorinator off-gas is passed through a line quench step where it is cooled using the heat of evaporatio...
|
|
WO/2006/051061A1 |
Process for preparing TiO2 powders starting from a liquid comprising chlorinated titanium compounds, the process comprising: a) atomizing said liquid and reacting the atomized liquid with a flow of steam and air at a temperature of 100-2...
|
|
WO/2006/048283A1 |
In a process for producing titania slag from ilmenite, granular ilmenite first is partially reduced with a reducing agent in a reduction reactor, then the hot material with an inlet temperature of at least 550°C is transferred into an e...
|
|
WO/2006/049050A1 |
A process for producing Ti through Ca reduction, comprising providing an apparatus including a reaction vessel for retaining a molten salt containing CaCl2 and having Ca dissolved therein, an electrolytic vessel for retaining a molten sa...
|
|
WO/2006/042360A1 |
This invention relates to a method for producing titanium by reaction of titanium tetrachloride with magnesium in a reactor, wherein the temperature in the reactor is above the melting point of magnesium and below the melting point of ma...
|
|
WO/2006/039999A1 |
The invention relates to a method for the deoxidisation of valve metal primary powders by means of reducing metals and/or metal hydrides and to a method for the production of tantalum powder which is suitable as an anode material for ele...
|
|
WO/2006/037999A2 |
A method for producing a metal, metalloid or alloy from a metal oxide, metalloid oxide or mixture of oxides of alloying elements forming a working electrode, by electrolysis in a fused salt or mixture of salts in the presence of a counte...
|
|
WO/2006/033051A1 |
According to the present invention there is provided a process for the agglomeration of titania slag particles comprising providing titania slag at a d50 particle size of below 106 µm; mixing the slag particles with an organic binder; a...
|
|
WO/2006/027612A2 |
In an electro-decomposition process a cathode (8) comprising a metal compound is contacted with a fused salt electrolyte (6) in an electrochemical cell. The metal compound is a compound between a metal and another substance, and a voltag...
|
