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Matches 1 - 50 out of 4,490

Document Document Title
WO/2019/169862A1
A method for preparing a ferrochrome alloy from chromite, comprising: a material preparation step (1) of grinding and drying a chromite powder raw material prepared in advance; a material distribution step (2) of naturally and loosely la...  
WO/2019/165764A1
Disclosed are an ultrasonic smelting reduction apparatus and a method for smelting a vanadium-aluminum alloy. The apparatus comprises a reactor (1), an ultrasonic generator (2) and a heating device (3), wherein the ultrasonic generator (...  
WO/2019/153730A1
Disclosed is a method for preparing a titanium alloy, the method being carried out by means of the following steps: (1) preparing a solvent, a reactant and a reducing agent, which act as raw materials, wherein the solvent is cryolite or ...  
WO/2019/152150A1
A method of recovering metal compounds from solid oxide fuel cell scrap includes processing the solid oxide fuel cell scrap to form a powder, digesting the processed scrap, extracting lanthanum oxide and cerium oxide from a solution cont...  
WO/2019/148901A1
A method for treating chromium slag by chlorinating calcination in combination with hydrothermal mineralization, comprising: adding chloride salt into chromium slag and mixing the chloride salt and the chromium slag to be uniform, raisin...  
WO/2019/137544A1
A method for extracting valent components in vanadium titanium magnetite by means of oxygen-rich selective leaching, comprising the steps of: (1) crushing vanadium titanium magnetite, placing same and a sodium hydroxide solution into an ...  
WO/2019/137543A1
A method for preparing high-purity TiO2 by selectively leaching from titanium concentrate with rich oxygen, comprising the following steps: (1) crushing and activating titanium concentrate, placing the raw materials in an autoclave for a...  
WO/2019/137542A1
A method for selectively leaching and upgrading high-titanium slag, which is carried out according to the following steps: (1) crushing high-titanium slag, and then placing the slag and a sodium hydroxide solution into an autoclave; (2) ...  
WO/2019/134185A1
A method for extracting and separating zirconium and hafnium from a nitric acid medium, mainly comprising: extracting an acid feed liquid of a zirconium compound by means of a synergic extraction system consisting of DIBK and a phosphoni...  
WO/2019/130378A1
A molten salt electrolysis tank comprising a bipolar electrode in which the tank efficiency is increased by preventing transient currents that flow from an anode to a cathode via through holes in a graphite bipolar electrode without cont...  
WO/2019/124939A1
A fluidized-bed deoxidation apparatus for titanium alloy powder is disclosed. According to an embodiment of the present invention, the fluidized-bed deoxidation apparatus may comprise: a chamber for receiving titanium alloy powder; a hea...  
WO/2019/111698A1
[Problem] The present invention pertains to a method for extracting a vanadium component included in combustion fly ash, clinker, etc., and producing a vanadate. [Solution] A method for producing a vanadate in which a vanadium component ...  
WO/2019/107429A1
The metal recovery agent according to the present disclosure contains at least one selected from guanidine, guanidine carbonate, guanidine hydrochloride, guanidine nitrate, guanidine sulfate, and guanidine chloride. The metal recovery li...  
WO/2018/068066A3
The invention provides for a pyrometallurgical method for producing a high grade chromium product comprising a first step of reducing a chromium oxide reactant in an electric furnace, with a reducing agent of any one or more of aluminium...  
WO/2019/085507A1
Disclosed is a production method for extracting chromium by mixing and calcinating a chromium-containing material, wherein the chromium is extracted by a procedure involving uniformly mixing a chromium ore, sodium carbonate and a clinker...  
WO/2019/088007A1
This method for purifying a titanium material is a deoxidization method for removing oxygen contained in a titanium material from the titanium material that is formed from pure titanium, a titanium alloy or an intermetallic compound that...  
WO/2019/084045A1
A method is disclosed for recycling of titanium particles, including titanium alloy powders used in additive manufacturing processes. The method includes receiving a feedstock comprising titanium particles. The as-received titanium parti...  
WO/2019/075545A1
A method of chromite reduction using cryolite (Na3Al F6) as an additive. The cryolite used may be pure cryolite or an impure mixture containing cryolite, such as the bath material produced as waste or as a by-product of aluminum smelting...  
WO/2019/050472A1
There is provided a method of producing a nanomaterial, the method comprising adding an alkaline earth metal salt to a leaching solution containing vanadate ions to form a mixture, the leaching solution being derived from a vanadium sour...  
WO/2019/044917A1
Provided is a device for analyzing chlorine concentration, comprising: a measurement cell 10 for housing chlorine-containing gas; a light-emitting unit 20 provided with a LED light source 21 for irradiating the chlorine-containing gas fl...  
WO/2019/033784A1
A method of producing titanium or a titanium alloy, comprising chemically reacting an active metal more chemically active than titanium, such as aluminum, directly with titanium dioxide at an elevated temperature. The production cost is ...  
WO/2019/026251A1
A plate-form titanium block having a thickness of 7-80 mm, wherein: the chemical composition comprises, in percentage by mass, 0.01-0.5% of O, 0.01-5% of Fe, 0-8% of Al, 0-5% of Sn, 0-12% of Zr, 0-15% of Mo, 0-2% of Ta, 0-22% of V, 0-2% ...  
WO/2019/022555A1
The present invention provides a method for selective recovery of a valuable metal from a waste denitrification catalyst through alkali fusion, the method comprising the steps of: (a) adding an alkali metal to a waste denitrification cat...  
WO/2019/022320A1
One embodiment of the present invention relates to a method for extracting rare metal elements, comprising: a first step of preparing an extraction filtrate by reacting coal ash and an extraction solvent, which includes a halogen acid; a...  
WO/2019/012401A1
The present invention concerns a method for processing titanomagnetite ore materials, said method comprising the steps of: - reacting a titanomagnetite raw material with a fluorinating agent to obtain a fluorinated product, - heat treati...  
WO/2019/008962A1
Provided is an ore dressing method capable of efficiently separating copper ore from molybdenum ore. The ore dressing method is provided with: a conditioning step for adding a sulfite as a surface treatment agent to an ore slurry compris...  
WO/2019/003189A1
Refined niobium-based ferroalloys are provided by removing lead and other impurities therefrom by a process comprising charging niobium ore concentrate and/or niobium oxide or a mixture of niobium oxides to a metallothermic reaction cham...  
WO/2018/232528A1
The present disclosure broadly relates to a process for recovering scandium and/or vanadium values from various feedstocks. More specifically, but not exclusively, the present disclosure relates to a process for the selective recovery of...  
WO/2018/234855A1
This invention relates to an integrated process for recovering value metals from sulphide ore which includes the steps of bulk sorting 16 and screening 24/28 crushed ore. The sorted/screened coarse ore stream is ground and classified 20 ...  
WO/2018/228141A1
Provided in the present invention is an aluminum thermal self-propagation gradient reduction and slag washing and refining-based method for preparing a tungsten-iron alloy, comprising: (1) aluminum thermal self-propagation gradient reduc...  
WO/2018/219417A1
A method and device are proposed for extracting molybdenum from low-grade crude ore by means of low-temperature chlorination, in which finely dispersed molybdenum-containing ore materials are chlorinated at 220-250°С by chlorine gas, f...  
WO/2018/214830A1
A method for preparing a high melting point metal powder via multi-stage deep reduction, said method comprising: mixing a dried high melting point metal oxide powder with a magnesium powder, and performing a self-propagating reaction to ...  
WO/2018/214849A1
Disclosed is a method for preparing a reduced titanium powder by multi-stage deep reduction, belonging to the technical field of milling. The method comprises: a dried titanium dioxide powder and a magnesium powder are uniformly mixed, a...  
WO/2018/211996A1
This method for processing oil combustion ash includes: a slurry production step (S10) for adding water to oil combustion ash containing vanadium and nickel to produce a combustion ash slurry; a magnetic separation step (S20) for magneti...  
WO/2018/201218A1
A direct reduction process for the production of ferrochrome from chromite ore or concentrate is disclosed. According to the present invention, calcium chloride (CaCl2) is added as a catalyst to accelerate the solid reduction and enhance...  
WO/2018/192441A1
A method for use in producing battery-grade vanadium oxide, comprising the following steps: A. adding a vanadium-containing leaching solution into a mixed solution of ammonium carbonate, ammonia water and ammonium sulfate, stirring to pr...  
WO/2018/190424A1
A method for manufacturing a metal ingot using an electron-beam melting furnace provided with an electron gun in which the irradiation position of an electron beam can be controlled and a hearth for retaining a molten metal raw material,...  
WO/2018/190419A1
[Problem] To provide a method for producing a metal ingot, the method being capable of preventing impurities contained in molten metal in a hearth from mixing into the ingot. [Solution] A method for producing a metal ingot using an elect...  
WO/2018/186768A1
The group of inventions relates to the reduction of metals from their chlorides using molten magnesium. The present method comprises introducing a metal chloride onto molten magnesium in a heated retort-reactor of a reduction apparatus t...  
WO/2018/184094A1
Methods for niobium concentration from a carbonatite host rock are presented. A basic process for niobium mineral concentration involves performing niobium mineral flotation, on a sufficiently liberated ore slurry, using at one least aro...  
WO/2018/184067A1
A method (10) for preparing a leach feed material, the method (10) comprising the steps of: passing an ore or concentrate containing vanadium and iron to a reduction step (12) to form a reduced ore or concentrate; and passing the reduced...  
WO/2018/179993A1
Titanium sponge manufactured by the Kroll process, the titanium sponge characterized in that the total of the chlorine content and the magnesium content therein is 350 mass ppm and the bulk density thereof is 1.65-1.95 g/cm3. Through the...  
WO/2018/165524A1
A vanadium recovery approach utilizes oil fly ash (OFA), in contrast to coal fly ash, for separation and recovery of vanadium. OFA is first carbon burned to reduce the volume for recycling, and also to provide a fuel for other industrial...  
WO/2018/158492A1
A method and an apparatus for treating titanium-containing slag is disclosed. The method comprises contacting a titanium-containing slag (2) with a first sulphuric acid leach solution (4) for dissolving impurities contained in the slag t...  
WO/2018/152628A1
The present disclosure broadly relates to a process for recovering vanadium, iron, titanium and silica values from vanadiferous feedstocks. More specifically, but not exclusively, the present disclosure relates to a metallurgical process...  
WO/2018/128665A3
Processes are provided for producing a titanium alloy material, such as Ti-Al alloys. In one embodiment, the process includes: heating an input mixture to a preheat temperature with the input mixture including aluminum, optionally, AlCl3...  
WO/2018/129868A1
A system for extracting vanadium from a leaching solution containing vanadium chromium silicon and for preparing vanadium pentoxide, and a method therefor, the system comprising, in sequence: an impurity removal system, an extraction sys...  
WO/2018/130327A1
The invention relates to a method for cutting refractory metals, wherein a solid body (1) is cut from a refractory metal by means of a cutting device (4, 7) in a mechanical and machining manner, wherein the cutting device (4, 7) is wette...  
WO/2018/110617A1
The purpose of the present invention is to provide a method for manufacturing titanium sponge, in which, when titanium sponge is manufactured by the Kroll process, the average chlorine concentration of the titanium sponge is reduced by r...  
WO/2018/090867A1
Disclosed are a system and method for preparing a titanium slag. The system comprises: a material-mixing device (100), the material-mixing device (100) being provided with an iron-containing titanium ore inlet (101), a reducing agent inl...  

Matches 1 - 50 out of 4,490