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WO/2015/075798A1 |
Provided is a method for separating elements and an element separation system in which the amount of waste liquid can be reduced without compromising the capability to separate the target elements. This element separation method is provi...
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WO/2015/071823A1 |
A method for melting minerals containing iron, titanium and vanadium in a known initial quantity, in an electric melting furnace (11) provided with a containing body (12) developing around a central axis (X) and tillable by means of rota...
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WO/2015/058239A1 |
Disclosed herein, is a process for recovering- valuable metals and/or their oxides from red mud bauxite residues or similar. The process comprises: calcining a red mud residue having a pH of less than about 10 to provide a calcinated red...
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WO/2015/051435A1 |
A method for processing a heavy mineral concentrate obtained from froth treatment tailings to produce a zirconium concentrated product, including subjecting the heavy mineral concentrate to froth flotation, subjecting a flotation product...
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WO/2015/051127A1 |
A method of recovering molybdenum includes introducing resin comprising molybdenum anions into an elution vessel (2012) and eluting (separating) the molybdenum anions from the resin to form a molybdenum rich eluent. Small amounts of uran...
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WO/2015/050637A1 |
A method (400) for producing a titanium product is disclosed. The method (400) can include obtaining TiO2-slag (401), and producing a titanium product from the TiO2-slag using a metallic reducing agent (402) at a moderate temperature and...
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WO/2015/039219A1 |
There is provided a method of treating solid material, wherein the solid material includes target metallic material and one or more other metallic elements, wherein the target metallic material consists of at least one of tantalum and ni...
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WO/2015/015250A1 |
The present invention relates to a process for the partial oxidation of unagglomerated chromite ore and to the use of the claimed process in currently applied ferrochromium production processes. According to a first aspect thereof, the p...
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WO/2015/004375A1 |
The present invention relates to a method for purifying niobium and/tantalum from an ore or a concentrate of niobium and/tantalum containing titanium and/or iron, wherein the method includes the following steps: a) the sodium conversion ...
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WO/2014/209173A1 |
The invention relates to metallurgy of non-ferrous metals, in particular, to titanium production technology. The technical result achieved according to the claimed invention is a simplified technology of reduction due to a decrease in...
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WO/2014/197315A1 |
A method for producing a high purity high carbon molten chrome product from chrome and carbon bearing material, said method comprising the steps of: (a) continuously introducing chrome compacts directly into an electric melter; (b) heati...
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WO/2014/193299A1 |
The invention relates to iron and tungsten containing briquettes and a process for producing the briquettes. A green briquette is produced from mixing an iron powder, a tungsten containing powder, and briquetting the mixture.
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WO/2014/193298A1 |
The present invention relates to a process for producing iron and molybdenum containing compacts. It also relates to and compacts produced by the process.
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WO/2014/183511A1 |
A method for processing vanadium-titanium magnetite finished ores by using a wet process. The method comprises the steps: extracting vanadium from vanadium-titanium magnetite finished ores and processing, by using the vanadium extraction...
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WO/2014/175093A1 |
Provided is a hydrometallurgy method that is for nickel oxide ore, increases the durability of the production equipment in the method for hydrometallurgy of a nickel oxide ore by means of a high-pressure acid leaching method, involves si...
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WO/2014/154945A1 |
In a method for recovering PGMs and ferrochrome from platinum group metals bearing chromite ore, a concentrate is prepared that contains most of PGMs and chromite of the ore and the concentrate is subjected to a heating step to dry and/o...
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WO/2014/155547A1 |
Provided is a method for separating and recovering a metal constituent from a member comprising, as the metal constituent, at least tungsten, molybdenum, or vanadium, wherein the method comprises the following: a step in which the member...
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WO/2014/148687A1 |
Disclosed are a refining method and refining device for titanium scraps and sponge titanium, whereby oxygen contained in a melt can be eliminated by supplying a deoxidising gas to the surface of the melt in order to refine the titanium s...
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WO/2014/146682A1 |
A process for producing titanium slag from ilmenite comprises the steps of: a) Partial reduction of granular ilmenite with a reducing agent in a reduction reactor (6) at a temperature of at least 900°C, b) Transfer of the partially redu...
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WO/2014/142003A1 |
The purpose of the present invention is to provide a sodium tungstate production method which can react superhard scrap with molten salt more efficiently than conventionally possible and which is capable of suppressing the generation of ...
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WO/2014/143553A1 |
Processes for the production of tantalum alloys are disclosed. The processes use aluminothermic reactions to reduce tantalum pentoxide to tantalum metal.
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WO/2014/136901A1 |
[Problem] To provide a technique for manufacturing a high-titanium-content feedstock by efficiently separating out and removing metal impurities from a titanium-containing feedstock such as titanium slag or ilmenite. [Solution] A method ...
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WO/2014/137419A1 |
A method for recovering vanadium from a spent slurry catalyst for hydrocarbon oil hydroprocessing is disclosed. In one embodiment after de-oiling, the spent catalyst is treated with ammonia and air, forming a leach slurry. The leach slur...
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WO/2014/125275A1 |
The invention relates to a method for producing titanium oxide from an iron-titanium ore, with co-production of iron oxide. The method comprises providing an iron- titanium ore that comprises from 40 to 65wt% TiO2 and from 30 to 55wt% ir...
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WO/2014/123647A1 |
A casting system and method. The casting system can include an energy source and a hearth, which can have a tapered cavity. The tapered cavity can have a first end portion and a second end portion, and the tapered cavity can narrow betwe...
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WO/2014/096541A1 |
The present invention relates to a method for granulation of titania slag for further processing. In the method titania slag is produced by smelting ilmenite in a closed electric furnace (1) to form liquid slag (2). Liquid slag (2) is ta...
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WO/2014/094220A1 |
A method for purifying tantalum powder from a potassium fluotantalate product obtained through metal sodium reduction, the method comprising: removing the part of the metal sodium reduced potassium fluotantalate product containing no tan...
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WO/2014/085903A1 |
A process for leaching a value metal from a titaniferous ore material comprising the step of leaching the ore material at atmospheric pressure with a lixiviant comprising magnesium chloride and hydrochloric acid is disclosed. Iron and ti...
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WO/2014/060766A1 |
The invention provides a method for the production of a metal, the method comprising the steps of mixing an oxide of the metal with a reducing agent comprising a Group II metal or a hydride thereof in the presence of water and/or an orga...
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WO/2014/045579A1 |
Provided is a molten salt bath which is used to dissolve a WC-Co super-hard alloy and which is obtained by homogeneously melting a molten alkali nitrate in a molten alkali chloride, wherein at least two compounds selected from among the ...
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WO/2014/038762A1 |
Disclosed is a method for effectively leaching valuable metals such as vanadium and tungsten contained in a waste denitrification catalyst by using roasting and water leaching. According to the present invention, the method for leaching ...
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WO/2014/037385A1 |
The invention relates to iron and tungsten containing pellets and a process for producing the pellets. A green pellet is produced from mixing an iron powder, a tungsten containing powder, and pelletizing the mixture.
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WO/2014/028161A1 |
A method for reducing impurities in magnesium comprises: combining a zirconium-containing material with a molten low-impurity magnesium including no more than 1.0 weight percent of total impurities in a vessel to provide a mixture; holdi...
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WO/2014/017206A1 |
Provided is a technology whereby an electron beam can be radiated precisely to a predetermined position with respect to a hearth situated in an electron beam smelting furnace or a molten metal pool formed in a casting mold. This method i...
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WO/2014/006196A1 |
A method for reducing hexavalent chromium in oxidic solids containing the steps: a) mixing the oxidic solid, containing Cr(VI), with a carbon-containing liquid compound in the range of 20 to 100°C; b) treating the mixture obtained accor...
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WO/2014/007744A1 |
The invention relates to a method for the extraction of vanadium from various sources in the form of vanadiumpentoxide, V2O5, from a source containing vanadium. The method includes the steps of: providing a source of V2O5, heating the so...
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WO/2013/187347A1 |
Provided is a method for producing ferrochromium, which is capable of producing ferrochromium having a low cobalt content by low-cost simple processes. A method for producing ferrochromium according to the present invention comprises: a ...
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WO/2013/187348A1 |
Provided is a metal chrome fabrication method in which the chrome recovery yield can be increased and the iron content and P content of the metal chrome that is fabricated as a product can be reduced. This metal chrome fabrication method...
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WO/2013/177847A1 |
A method for industrially producing zirconium metal and synchronously producing low-temperature aluminum electrolyte comprises the following steps: A) putting aluminum and fluorozirconate into an enclosed reactor, vacuumizing, introducin...
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WO/2013/170678A1 |
Disclosed is an industrial microwave ultrasonic reactor. The inner wall of the reactor is provided with a liner; a microwave generation device is composed of microwave units distributed over the outer sidewall of the reactor in a spaced ...
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WO/2013/170370A1 |
There are provided processes for recovering at least one rare earth element and/or at least one rare metal from at least one material. The processes can comprise: leaching the at least one material with at least one acid having a low con...
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WO/2013/159201A1 |
A process for producing technetium-99m from a molybdenum-100 metal powder, comprising the steps of: (i) irradiating in a substantially oxygen-free environment, a hardened sintered target plate coated with a Mo-100 metal, with protons pro...
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WO/2013/152805A1 |
A method and system are disclosed for depositing materials comprising metals and alloys by decomposing one or more metal iodides using a directed plasma arc source. Additive manufacturing of shaped components may be accomplished by direc...
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WO/2013/151190A1 |
[Problem] To collect tungsten from a tungsten-containing material to be treated by means of simple processing steps using microorganisms, and with a reduced environmental load and excellent efficiency. [Solution] A method for collectin...
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WO/2013/138900A1 |
There are provided processes for recovering at least one rare earth element. Such processes comprise obtaining an acidic composition comprising (i) at least one rare earth element and optionally at least one rare metal; and reacting the ...
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WO/2013/142022A1 |
Molybdic oxide is recovered from molybdenite by a multistep process in which (A) the molybdenite is converted to soluble and insoluble molybdic oxide by pressure oxidation, (B) the insoluble molybdic oxide is converted to soluble molybdi...
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WO/2013/123719A1 |
Provided is a method for cyclically preparing titanium sponge and simultaneously producing sodium cryolite using sodium fluorotitanate as an intermediate material, comprising the steps: A) adding hydrofluoric acid to ilmenite concentra...
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WO/2013/123721A1 |
Disclosed is a method for cyclically preparing titanium sponge and simultaneously producing potassium cryolite using potassium fluorotitanate as an intermediate material, comprising the steps: A) adding hydrofluoric acid to ilmenite conc...
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WO/2013/122069A1 |
High-purity titanium ingots with a purity of at least 99.99% by mass, excluding added elements and gas components. Said titanium ingots are characterized by containing an added component consisting of a total of 0.1 to 100 ppm by mass of...
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WO/2013/110419A1 |
In a delignification of pulp with hydrogen peroxide catalysed with molybdate, molybdate can be recovered by bringing the aqueous solution containing molybdate into contact with a carrier material that comprises a layered silicate ion-exc...
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