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Matches 1 - 50 out of 4,329

Document Document Title
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...  
WO/2017/140832A1
A process (100) for producing at least one molybdenum-containing unit is disclosed. The process (100) comprises providing (110) at least a molybdenum-containing powder and a carbon-containing powder. An intermediate process product in th...  
WO/2017/123102A1
The invention relates to processes for the extraction of products from titanium-bearing minerals. In particular embodiments the invention relates to methods of recycling sulphuric acid used in a titanium dioxide extraction process. The i...  
WO/2017/119374A1
A method for separating metallic components from a material to be treated which includes silicates and metallic elements, the method including: a reaction step in which the hydroxide of an alkali metal or alkaline-earth metal and water a...  
WO/2017/110462A1
Provided is a mineral dressing method that can efficiently separate copper minerals and molybdenum minerals. The present invention is a mineral dressing method for mineral powder at least containing a copper mineral and a molybdenum mine...  
WO/2017/104360A1
The present invention addresses the problem of providing: a vanadium recovery processing method by which vanadium can be recovered at a low cost; and a use of vanadium. The vanadium recovery processing method is characterized by obtainin...  
WO/2017/088299A1
Provided is a method using an aluminum-titanium alloy having a high titanium content as a reducing agent to prepare titanium or a titanium-aluminum alloy. The method comprises the following steps: (1) forming a solid powder from an alumi...  
WO/2017/085404A1
The present invention relates to a method for separating and purifying niobium and tantalum from a basic aqueous solution containing niobium and tantalum. Said method is characterized in that it includes the following steps: a) placing a...  
WO/2017/087997A1
A method of preparing a pre-reduced ilmenite ore for smelting, wherein metal oxides contained in the ore are selectively reduced in solid-state reactions over titanium oxide, the method including the step of pre-reducing carbon-based pel...  
WO/2017/081802A1
This method for separating molybdenum separates molybdenum from an acid solution containing copper ions, ferrous ions, and molybdenum ions, wherein ferrous ions in the acid solution are oxidized and the pH of the acid solution is adjuste...  
WO/2017/069223A1
[Problem] To provide a method for efficiently producing a high purity vanadium electrolytic solution from a combustion residue that includes uncombusted carbon and that has been emitted from a facility such as a refinery or a power plant...  
WO/2017/063742A1
The invention relates to a method of separating metal chlorides of value, especially titanium tetrachloride and niobium pentachloride, from solid residues obtained in the chlorination of iron/titanium-containing raw materials in the cour...  
WO/2017/062096A1
The present invention discloses polythiol compositions containing dipentene dimercaptans and intermolecular sulfide compounds, as well as mining chemical collector compositions containing such polythiol compositions. Flotation processes ...  
WO/2017/061331A1
This mode of the present invention is an adsorbent which adsorbs a compound of a group V element and which includes: at least one amino acid selected from basic amino acids, acidic amino acids, and polar non-charged amino acids; or a sal...  
WO/2017/037625A1
The present invention relates to the recycling process of electronic waste resources to recover metals of value. More particularly, it relates to eco-friendly yet efficient hydrometallurgical processes to recover metal values from waste ...  
WO/2017/027914A9
The invention provides a method for the recovery of a metal-containing product (MProd) comprising: providing a composite material comprising a matrix of oxidised reductant (R0), a product metal (MP) dispersed in the matrix of oxidised re...  
WO/2017/027914A1
The invention provides a method for the recovery of a metal-containing product (MProd) comprising: providing a composite material comprising a matrix of oxidised reductant (R0), a product metal (MP) dispersed in the matrix of oxidised re...  
WO/2017/027916A1
A method of processing finely divided reactive particulates (RParticulate) and forming a product comprising: providing a composite material comprising finely divided reactive particulates (RParticulate) dispersed in a protective matrix; ...  
WO/2017/027915A9
There is provided a method of producing a composite material comprising: supplying a metal compound (MPC) of a product metal (MP) and a reductant (R) capable of reducing the metal compound (MPC) of the product metal (MP) to a reactor; fo...  
WO/2017/027915A1
There is provided a method of producing a composite material comprising: supplying a metal compound (MPC) of a product metal (MP) and a reductant (R) capable of reducing the metal compound (MPC) of the product metal (MP) to a reactor; fo...  
WO/2017/025547A1
The invention relates to a process for extracting tantalum from an acid aqueous phase A1 comprising at least one step comprising the bringing of the aqueous phase A1 into contact with a phase A2 that is not miscible with water, then the ...  
WO/2017/018441A1
Provided are a molten salt electrolytic cell, a metallic magnesium production method, and a sponge titanium production method that further improve current efficiency, can improve the production yield of metal per unit volume of the elect...  
WO/2017/012710A1
The invention relates to the method step of reducing trivalent iron in the production of titanium dioxide according to the sulfate method. According to the invention, after the removal of the poorly soluble decomposition residue, the red...  
WO/2017/015435A1
The present invention relates to the recovery of rare earths, scandium, niobium, tantalum, zirconium, hafnium, titanium, and the like from ores or concentrates containing fluorine. More specifically, the ores or concentrates are pretreat...  
WO/2017/012185A1
A method for preparing titanium or titanium aluminum alloy and a byproduct- titanium-free cryolite through two-stage aluminothermic reduction comprises the following steps: (1) using sodium fluoride and sodium fluotitanate as raw materia...  
WO/2017/012710A8
The invention relates to the method step of reducing trivalent iron in the production of titanium dioxide according to the sulfate method. According to the invention, after the removal of the poorly soluble decomposition residue, the red...  
WO2017010437A1
The present invention is characterized by comprising: an acid leaching step for obtaining a leach liquid by causing leaching of, by means of an acid, a metal mixture at least containing vanadium and at least one type of a divalent or tri...  
WO/2017/002385A1
A connection pipe having long service life, whereby no breakage of a lead wire or short circuiting of a lead wire and an outer pipe occurs in a process for manufacturing and purifying sponge titanium by the Kroll process, the connection ...  
WO/2016/209093A1
The present invention provides a method of chromium separation from sewage, including tanning sewage, as a result of a double exchange reaction yielding insoluble salts of chromium and organic acids which are very easy to filtrate and en...  
WO/2016/202639A3
The invention relates to a method for starting up a fluidized bed boiler, such as a circulating fluidized bed (CFB) or a bubbling fluidized bed (BFB) boiler, for operation with a predetermined concentration of ilmenite particles in the b...  
WO/2016/201558A1
A method for hydrometallurgical extraction of rare earth elements and niobium from a an ore or a flotation concentrate containing rare earth elements, niobium, iron and alkali earth metals, the method comprising removal of the alkali ear...  

Matches 1 - 50 out of 4,329