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Matches 1 - 50 out of 4,613

Document Document Title
WO/2020/188379A1
A process (10, 200) for recovery of chromite fines from a slurry includes feeding a feed slurry (68) comprising chromite fines to a wet spiral concentrator stage (14) comprising a plurality of wet spiral separators or wet spiral concentr...  
WO/2020/174907A1
A tungsten recovery method characterized by inducing the leaching of tungsten while suppressing the leaching of silicon from a tungsten raw material containing tungsten oxide and silicon by using a weak alkali compound, wherein the major...  
WO/2020/174976A1
A method for producing titanium powder according to the present invention involves a process of reducing titanium tetrachloride in a metallic reduction reactor, the method comprising: a gas collection step for collecting a powder-contain...  
WO/2020/151034A1
Disclosed is a method for the separation and enrichment of valuable components from a titanium-containing iron mineral, the method involving: blending a titanium-containing iron mineral with a ferrosilicon alloy powder as a reducing agen...  
WO/2020/075152A3
A composition comprising diethyl carbonate and an ingredient selected from the group consisting of paints, dyes, coatings, inks, adhesives, resins, agricultural formulations, personal care formulations, fuels and pharmaceutical compositi...  
WO/2020/153779A1
The present invention provides a system for leaching valuable metals from a waste de-NOx catalyst through alkali fusion. The system comprises: a supply part including a plurality of hopper tanks for supplying a fixed quantity of waste de...  
WO/2020/138083A1
Provided is a method for producing an electrolyte solution for redox flow batteries using incineration ash as a raw material, whereby it becomes possible to collect high-purity vanadium easily and with high efficiency to produce an elect...  
WO/2020/131276A1
A method for manufacturing metal components [36] includes the steps of providing a waste feedstock [10] having a selected chemical composition; producing an additive manufacturing (AM) grade alloy powder [12] from the waste feedstock [10...  
WO/2020/120034A1
A system (100) for the recovery of titanium, titanium alloys, zirconium and zirconium alloys is disclosed; wherein such a system is fed with a mixture of chips (H) comprising titanium chips, titanium alloy chips, zirconium chips and zirc...  
WO/2020/122740A1
The invention relates to processes for the extraction of products from titanium-bearing materials or a composition produced in a process for the production of titanium dioxide, and more particularly, although not exclusively, extracting ...  
WO/2020/117098A1
What is proposed is a method for producing titanium and silicon powders by aluminothermic reduction thereof from liquid tetrachlorides at low temperatures and a pressure of 1.0 to 1,05 atm, whereby a suitable tetrachloride is fed on the ...  
WO/2020/110440A1
Provided is a method for producing titanium sponge, the method being capable of producing a titanium sponge lump that has a large volume for the lump even at the upper end side, i.e., that has a shape approximating a column shape. The ti...  
WO/2020/108188A1
Disclosed are an apparatus and a method for recovering variable valence metals from hazardous solid wastes by low-temperature reductive chlorination. The apparatus comprises a raw material comminuting machine (1), a material feeding mach...  
WO/2020/103642A1
A device and method for treating heavy metal hazardous waste by means of vacuum chlorination roasting. The method comprises: drying, grinding and sieving heavy metal hazardous solid waste, adding a chlorinating agent or a chlorinating ag...  
WO/2020/093096A1
A method for the preparation of titanium dioxide, the method comprising the steps of subjecting a titanium containing leach residue to a concentrated sulfuric acid digest step; and in turn subjecting that residue to a leach in dilute sul...  
WO/2020/059090A1
In order to manufacture a titanium alloy ingot having a more correct and uniform chemical composition, the method of the present invention includes a titanium-containing raw material supply step for supplying a raw material 50 to a heart...  
WO/2020/044841A1
A method for producing metal titanium by carrying out electrolysis in a molten salt bath using a positive electrode and a negative electrode, the method comprising a titanium deposition step of depositing metal titanium on the negative e...  
WO/2020/003004A3
A process operating at super-atmospheric pressure for leaching a titanium containing ore with an HCI and producing titanium dioxide with integrated steps of solvent extraction for removing iron from the leached ore and solvent extraction...  
WO/2020/013678A1
The invention relates to non-ferrous metallurgy and concerns a device for chlorinating titanium-containing material in a solution of chloride salts. The technical effect of the invention is an increase in the service life of the device a...  
WO/2020/010745A1
A solar cell recycling method, comprising: separating an organic film layer from a solar cell, and thereby forming a de-encapsulated solar cell, the de-encapsulated solar cell comprising a stainless steel substrate and an active material...  
WO/2019/235098A1
An apparatus for producing metal titanium is provided with a reduction device (1, 2, 3, 4, 5) for carrying out a reduction treatment of titanium tetrachloride (X2) in the presence of bismuth (X1) and magnesium (X3) to produce a liquid al...  
WO/2019/215563A1
A method and plant for molybdenum recovery from a low-grade crude ore by low-temperature chlorination, where the molybdenum-bearing fine ore is chlorinated with gaseous chlorine at a temperature of 220–250°C to form a volatile chlorid...  
WO/2019/210810A1
Disclosed is a method for clean metallurgy of molybdenum, comprising the steps of: 1) leaching a calcified molybdenum calcine, which is obtained by roasting molybdenite with the addition of calcium, by using an inorganic acid, to obtain ...  
WO/2019/193510A1
A process for obtaining vanadium component in the form of vanadium oxide from gasifier slag is disclosed. The process comprises pulverizing the slag to obtain pulverized slag, which is blended with water and an alkali salt to obtain a sl...  
WO/2019/192373A1
Disclosed is a method for directly producing titanium and titanium alloys using titanium ore. The method comprises the following steps: a ) mixing a titanium ore with a reducing agent, and then reacting same in a high-temperature furnace...  
WO/2019/192372A1
Disclosed is a method for directly producing titanium and a titanium alloy by using high titanium slag. The method relates to enabling direct chemical reaction at a high temperature between a single active metal having chemical activity ...  
WO/2019/187407A1
Provided is a novel use application of 5-methyl-2-hexanone. An extraction agent for metals contains 5-methyl-2-hexanone as an active ingredient, and can be used for the extraction of a chlorine complex or a fluorine complex of a metal ca...  
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...  

Matches 1 - 50 out of 4,613