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Matches 1 - 50 out of 4,417

Document Document Title
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/2018/129868A1
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/2018/128665A3
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/2018/110617A1
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...  
WO/2018/084184A1
A titanium material which is provided with: a base material; and a surface modification layer that is formed on the base material. The base material contains, in mass% or in mass ppm, 0.010-0.100% of Fe, 0.005-0.110% of O, more than 1.0 ...  
WO/2018/075887A1
Process for producing a titanium alloy material, such as a titanium aluminum alloy, are provided. The process includes reduction of TiC14), which includes a titanium ion (Ti4+), through intermediate ionic states (e.g., Ti3+) to Ti2+, whi...  
WO/2018/075896A1
Process for producing a titanium alloy material, such as a titanium aluminum alloy, are provided. The process includes reduction of TiCl4, which includes a titanium ion (Ti4+), through intermediate ionic states (e.g., Ti3+) to Ti2+, whic...  
WO/2018/052232A1
The present invention relates to a zirconium-based metal preparation system, and provides a zirconium-based metal preparation and recirculation system capable of economically and efficiently preparing a high-purity zirconium-based metal ...  
WO/2018/046786A1
The subject matter of the present invention is a method for recovering tantalum metal from electrolytic capacitors. Said method includes several steps, mainly physical operations for extracting tantalum from the capacitors, with crushing...  
WO/2018/043815A1
One aspect of the present invention provides a method for recycling titanium scrap, comprising the steps of: (step 1) removing, from titanium scrap, organic matter and sulfides and preparing titanium oxide by oxidizing the titanium scrap...  
WO/2018/029787A1
A method for separating zirconium, which is one of long-lived fission products (LLFPs), from a zirconium-containing radioactive solution (a high-level radioactive waste liquid), said method comprising adding molybdenum to the radioactive...  
WO/2018/025127A1
Disclosed herein is a novel approach to the chemical synthesis of titanium metal from a titanium oxide source material. In the approach described herein, a titanium oxide source is reacted with Mg vapour to extract a pure Ti metal. The m...  
WO/2018/018069A1
There is provided a metallurgic process for upgrading ferro-titaniferous mineral concentrate (comprising more than 10% by weight of iron content calculated as FeO) using time dependent magnetic fields. The process comprises reducing a su...  
WO/2018/014364A1
Disclosed is a method for smelting reduction production and tempering of a titaniferous mixed slag, comprising the following steps: (1) adding a reduction agent, a vanadium-titanium-containing mineral and/or an iron-containing material t...  
WO/2018/010108A1
Provided are a tantalum flake powder and method for preparation thereof; said tantalum flake powder contains 300-1800 ppm of nitrogen, 10-100 ppm of phosphorus, and 1-40 ppm of boron. The tantalum flake powder has high capacity and low l...  
WO/2018/001090A1
A detoxification treatment method for extracting and recovering chromium from waste residues containing hexavalent chromium comprises the specific steps: 1), adding water into waste residues containing hexavalent chromium, and mixing the...  
WO/2017/213153A1
(Technical problems to be solved) Providing a method for selecting an mineral of molybdenum. (Means for solving the problems) A peptide comprising an amino acids sequence according the following formula (1) and/or (2): (1) (ALRKNMDFCPQ...  
WO/2017/208471A1
This method for producing a vanadium compound comprises: an alkali leaching step for obtaining a leachate slurry by immersing incineration ash in an alkaline solution to leach vanadium from the incineration ash into the alkaline solution...  
WO/2017/209440A1
Provided are a method for recovery of a high-grade scheelite concentrate and a facility for recovery of a scheelite concentrate. Specifically, provided is a method for recovery of a high-grade scheelite concentrate, the method comprising...  
WO/2017/202909A1
The present invention provides a roasting furnace for processing ores or concentrates, preferably molybdenum-containing ores or concentrates, wherein the roasting furnace contains at least one first rotary lifting system for the displace...  
WO/2017/203245A1
A method and an apparatus for manufacturing a metallic article involve providing a non- metallic feedstock, for example in the form of an oxide of a desired metal or a mixture of oxides of the components of a desired metal alloy. A manuf...  
WO/2017/203567A1
The purpose of the present invention is to provide a method for the separation of radionuclides, said method allowing for radionuclides to be separated more easily while maintaining a separation rate comparable to or higher than that of ...  
WO/2017/199887A1
[Problem] To recover a rare metal. [Solution] This method is for recovering a rare metal from a chloride residue produced when refining titanium, and comprises steps of: classifying the chloride residue into coarse particles and fine par...  
WO/2017/190393A1
A method for extracting iron and titanium with a ferrotitanium complex ore as a raw material and filtering device. As to the method, a carbon-containing reducing agent is added into the ferrotitanium complex ore raw material, wherein red...  
WO/2017/191355A1
Present invention relates to method of removing cations from water and process arrangement for performing the method. The method comprises containing cations selected from a group consisting of Se, As, Sb, Cr, Mn, Mo, W, V, Te, P, Si com...  
WO/2017/175605A1
The present invention provides: a tungsten-containing metal production method that includes simple steps and that enables lowering of impurities content; and a tungsten-containing metal. A tungsten-containing raw material, silicon and/or...  
WO/2017/162013A1
Provided are preparation and application methods for an ion blocking and controlling adsorbent. A selective oxidation is performed by adjusting pH, to achieve the purpose of only oxidizing divalent iron into trivalent iron, and the iron ...  
WO/2017/162901A1
Provided herein is a process for recovering metal(s) from calcium rich iron containing material (8), comprising (a) leaching (1) calcium one or more times from said calcium rich iron containing material (8) to obtain a calcium depleted i...  
WO/2017/164898A1
Described is a method of treating unrefined tungstic acid to produce a semi-refined anhydrous tungsten trioxide. The method includes roasting the unrefined tungstic acid at a roasting temperature and for a roasting time period sufficient...  
WO/2017/155072A1
A titanium material 1 which comprises an inner layer part 3 and a surface layer part 2 that is bonded to the inner layer part 3, and wherein: the surface layer part 2 has a chemical composition containing, in mass%, 0.4% or less of O, 0....  
WO/2017/149835A1
Provided are a dissolving method and a collecting method for a group 5 element and/or a group 6 element with which the voltage and power necessary for dissolution can be reduced and the solubility of said element in a molten material can...  
WO/2017/150659A1
A method for collecting minor metals from minor metal-containing glass, characterized in that the method comprises heating the minor metal-containing glass to a temperature of 900-1100°C and thereby melting the minor metal-containing gl...  
WO/2017/148922A1
The present invention relates to a process for the separation of vanadium in the form of vanadium oxide, iron-vanadium-oxide, or iron-vanadium from solutions containing both dissolved iron and dissolved vanadium, wherein an aqueous solut...  
WO/2017/146109A1
Provided are: a metallic container or tube capable of effectively solving the problem in which impurity metals are eluted into sponge titanium from the inner walls of metal containers and/or tubes used in methods for producing sponge tit...  

Matches 1 - 50 out of 4,417