Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 4,065

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/2019/163607A1
Provided is an operating method for a metal refining furnace that can control against deformation of a furnace body due to expansion of refractories of the metal refining furnace. Displacement meters 8-1 through 8-42 are disposed around ...  
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/2019/144165A1
A process for the production of high carbon ferromanganese which includes; the step of smelting carbon-based manganese ore micro-pellets in a smelting furnace in a shallow burden configuration.  
WO/2019/139078A1
This raw material supply device supplies a raw material into a flash furnace, and at least supplies into the flash furnace a reaction gas that contributes to the reaction of the raw material, and is provided with: a raw material flow pat...  
WO/2019/139079A1
This raw material supply device supplies a raw material into a flash furnace, and at least supplies into the flash furnace a reaction gas that contributes to the reaction of the raw material, and is provided with: a lance which has a hol...  
WO/2019/128754A1
A method and apparatus for the comprehensive recycling of copper smelting slag. The method comprises the following steps: introducing copper smelting slag to a cavity by means of a first inlet; and in the heat supply state of an electrod...  
WO/2019/124965A1
The present invention provides a method for reducing a metal oxide by using biomass, and the reduction of a metal oxide by the reduction method according to the present invention can increase the reduction efficiency of a carbon componen...  
WO/2019/124819A1
A nickel ore drying device for nickel hydrometallurgy is provided. The nickel ore drying device for nickel hydrometallurgy, according to the present invention, comprises: a drying furnace for removing crystal water of nickel ore by raisi...  
WO/2019/124977A1
The present invention relates to a multistage reduction method for nickel ore and, more specifically, to a multistage reduction method for nickel ore, comprising: a first reduction step of preliminarily reducing nickel iron-containing ra...  
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/2019/113719A1
The invention relates to an agglomerate product comprising a compacted mixture primarily formed of oxides such as silica, calcium oxide, magnesium oxide, aluminium oxide and clinoptilolite, carbon, sodium carbonate, iron oxide and binder...  
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/2019/093736A1
A lithium recovery method according to the present invention recovers a lithium compound by reacting lithium-containing by-products and a phase separation agent through self-propagating combustion synthesis. Provided is a lithium recover...  
WO/2019/084661A1
A method for making metal nanorods comprises combining a source of metal cations with at least one surfactant to form a mixture, wherein the metal cations are reduced and the metal nanorods are produced. Metal nanorods produced by the me...  
WO/2019/082762A1
This electric furnace is provided with: one or more upper electrodes; one or more bottom-blowing tuyeres; a mechanical agitator including an impeller; and a feeding device for feeding an iron oxide-containing iron raw material.  
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/2019/060989A1
The present application relates to polymer microparticle-metal nanoparticle composites, to methods of preparing polymer microparticle-metal nanoparticle composites and to uses of such composites. The methods comprise introducing into a m...  
WO/2019/060990A1
The present application relates to polymer film-metal composites, to methods of preparing polymer film-metal composites and to uses of such composites. The metal can be in the form of a nanoparticle or a film. The methods comprise deposi...  
WO/2019/043261A1
The present application relates to a process for the purification of waste materials or industrial by-products, the process comprising the steps of: a) Preparing a composition (C) by blending or mixing waste materials or industrial by-pr...  
WO/2019/038866A1
A concentrate burner of a copper smelting furnace, which is mounted on the upper part of the reaction shaft of the copper smelting furnace and charges starting material containing copper concentrate into the copper smelting furnace, is c...  
WO/2019/033187A1
The present invention patent pertains to the iron-ore treatment sector and relates to a process of cold pelletization of iron-ore fines with mixture flexibility, with a grain size range of zero to 6.4 mm, said fines being inevitably gene...  
WO/2019/016428A1
Described is a rotary bed-type electric furnace, comprising a rotary bed (1) configured to carry material (2), and a rotator (3) configured to rotate the rotary bed (1) so that material (2) carried on the rotary bed (1) passes through pe...  
WO/2019/008675A1
Provided is a carbon material interior ore that can be efficiently produced. The carbon material interior ore is produced without baking by adding an organic binder to an iron oxide-containing feedstock and a carbon material, adjusting t...  
WO/2019/001180A1
A method for preparing sintered ore from a high-grade, vanadium rich, chromium-bearing vanadium–titanium magnetite (CVTM) concentrate mixture. The method comprises the following steps: (1) preparing high-grade, vanadium rich, CVTM conc...  
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/2018/228139A1
A method for preparing a ferrovanadium alloy based on aluminum thermal self-propagation gradient reduction and slag washing and refining, comprising: (1) aluminum thermal self-propagation gradient reduction: a first scheme, raw materials...  
WO/2018/221036A1
The purpose of the present invention is to provide: a carbon dioxide-free method for producing magnesium hydride with good production efficiency; a carbon dioxide- or radiation-free power generation system using magnesium hydride; and an...  
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/2018/216513A1
The purpose of the present invention is to provide, in a method for producing a metal or alloy by forming pellets from an oxide ore, a method for smelting an oxide ore, wherein a high-quality metal can be produced with high productivity ...  
WO/2018/207971A1
The present invention relates to a method for recovering high purity tin, and at the same time, producing hydrogen from tin oxides using a methane gas, and by using a methane gas reduction method which combines a tin recovery process and...  
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/2018/194165A1
Provided is a smelting method whereby reduction by a carbonaceous reducing agent is performed to obtain a reduced substance using as a raw material a nickel oxide ore or other metal oxide containing oxidized nickel or the like, for examp...  
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/2018/186066A1
The present invention relates to a method for pretreating an iron-making starting material, the method characterized in comprising at least: a step for adding a melting point depressant to an iron ore that is an iron-making starting mate...  
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/2018/172284A1
A process for preparing iron- and chrome-containing particles comprising the steps a) producing ore particles by mixing - in a first step chromite ore material, Chrome Ore Process Residue (COPR) and a reductant component, and - in second...  
WO/2018/168472A1
This production method for high-quality metallic manganese comprises: rinsing powder particles (Mn-containing substance) with water to dissolve contained chlorine in water; and performing a solid-liquid separation treatment thereon to ob...  
WO/2018/168471A1
This production method for high-quality metallic manganese comprises: adding water to a manganese-containing substance, preferably to powder particles obtained by selecting manganese dry batteries and/or alkaline manganese dry batteries ...  
WO/2018/164340A1
The present invention relates to a method for recovering a lithium compound from lithium-containing waste and, more specifically, to a method for recovering lithium, the method using waste containing lithium, lithium carbonate, lithium c...  
WO/2018/147146A1
Provided is a smelting method in which, for example, a metal oxide such as a nickel oxide ore including nickel oxide is used as a source material and is reduced with a carbonaceous reducing agent to obtain a reduced product, with which m...  
WO/2018/147145A1
Provided is a smelting method in which, for example, a metal oxide such as a nickel oxide ore including nickel oxide is used as a source material and is reduced with a carbonaceous reducing agent to obtain a reduced product, with which m...  
WO/2018/125322A1
A method is provided for the production of titanium-aluminum-vanadium alloy products directly from a variety of titanium and vanadium bearing ores that reduces the processing steps significantly as compared to current Ti-AI-V alloy produ...  
WO/2018/117771A1
The present invention relates to a method for recovering nickel and cobalt from a nickel, iron, and cobalt-containing raw material. According to the present invention, high concentrations of valuable metals, such as nickel and cobalt, ca...  
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/2018/108801A1
The present disclosure provides a method for treatment of waste material, said waste material comprising one or more oxidized metals, said method comprising the steps of: ensuring that said waste material comprises a reducing agent selec...  
WO/2018/089062A3
A method for producing a metal powder that combines molten reducing metal and metal halide in a space that is substantially free of oxygen and water, wherein the molten reducing metal is sodium and/or potassium, or aluminum (or magnesium...  
WO/2018/101855A1
The invention relates to the field of non-ferrous metallurgy, and more particularly to a method for processing nickel laterite ores resulting in the direct production of ferronickel in the form of metal granules. Processing nickel lateri...  
WO/2018/094453A1
A continuous process for low temperature reduction of metal oxides from carbonaceous material, using in situ produced reducing gas. In particular, a method of reducing metal oxide to metal in a continuous process comprising: (a) continuo...  

Matches 1 - 50 out of 4,065