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WO/2013/084067A2 |
An integrated and sustainable process is presented for the co-generation of pig iron and electric energy in a blast furnace installation in which dried wood replaces charcoal as the fuel, as the reducing and as the carburizing agent. Fur...
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WO/2013/082653A1 |
A method of starting a molten-bath based melting process includes establishing a sufficiently large and stable "hot zone" for ignition of oxygen and coal in a main chamber of a smelting vessel by independent means, i.e. independently of ...
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WO/2013/082659A1 |
A method of starting a smelting process in a smelting vessel includes heating frozen slag and forming molten slag and draining molten slag from a forehearth connection via a forehearth and establishing a clear flow path through the foreh...
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WO/2013/071955A1 |
Process for the manufacture of ferrochrome alloy comprising the steps of providing a pelletising feed, wherein the pelletising feed comprises chromite ore and silicon carbide as the only carbonaceous material and the only reducing agent;...
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WO/2013/071956A1 |
The invention relates to a pelletising feed containing chromite ore, at least one nickel salt, and silicon carbide as the only carbonaceous material and the only reducing agent. The invention also relates to process for manufacturing the...
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WO/2013/036291A1 |
An alternative ironmaking process for simultaneously producing a reduced iron product from an iron rich material and coke from coal during low temperature coking operations. The process is performed in the environment of a low temperatur...
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WO/2013/029119A1 |
A process for producing ferrotitanium by aluminothermic reduction, including reacting reduced ilmenite comprising a solid matrix of substantially metallic iron microparticles in titanium dioxide with aluminium at a temperature whereby ti...
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WO/2013/011100A1 |
The invention relates to a process and a device for bringing two immiscible liquids into contact, without mixing and at high temperature, with heating and brazing by induction. In particular, the invention relates to a process and a devi...
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WO/2013/011521A1 |
This invention relates to a method for direct reduction of oxidized chromite ore fines (0 to 4.0 mm) composite agglomerates in a tunnel kiln to produce one of a reduced and agglomerates for use in ferrochrome or charge chrome production;...
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WO/2012/173522A1 |
The invention relates to the processing of complex oxide raw materials, such as natural ores, ore concentrates and similar materials, in which extractable metals are found in oxide solid solutions or oxide chemical compounds with refract...
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WO/2012/163530A1 |
Component of a plant for the production of silicon, in particular liquid silicon and solar grade silicon, wherein the component is a reduction furnace body and/or an electrode that comprise a composition selected from (i) 80-95 % (w/w) o...
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WO/2012/152408A1 |
The method is used to obtain metals, noble metals, and rare earth metals from scrap. The aim of the invention is to provide a method that allows an efficient recovery even from electronic scrap. This is achieved in that the scrap and car...
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WO/2012/152413A1 |
The invention relates to a method for thermochemically reacting a particulate material, comprising the steps of providing first particles (19) of said material, introducing said first particles (19) into a first reactor (13a), applying e...
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WO/2012/149635A1 |
A method for the direct reduction of metal oxides with carbon. According to the method, pellets are formed containing a mixture of metal oxides having sequential reduction potentials when heated in the presence of carbon and an amount of...
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WO/2012/130091A1 |
An iron ore reducing agent comprising an amorphous carbon of eight to 35 parts by weight and calcium oxide of four to 35 parts by weight. Also provided are an iron ore mixture and a method for reducing iron ore.
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WO/2012/051424A9 |
A method to process ilmenite-containing mineral material with high clay content includes processing involving settling velocity separation to prepare a first ilmenite concentrate followed by processing involving magnetic separation to pr...
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WO/2012/108522A1 |
Provided is a method for recovering PGM from a material to be processed that contains PGM. Specifically provided is a method for recovering PGM from a material to be processed that contains PGM, which comprises: a reduction smelting step...
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WO/2012/078289A2 |
Nanomaterial preparation methods, compositions, and articles are disclosed and claimed. Such methods can provide nanomaterials with improved morphologies relative to previous methods. Such materials are useful in electronic applications.
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WO/2012/074962A2 |
The present invention relates generally to a smelting operation or the like, by which molten metal is produced from a metal oxide after metal oxide agglomerates are directly reduced and melted with a carbonaceous material in an electric ...
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WO/2012/071342A2 |
The present invention is directed to a precious metal recovery process in which an acid sulfidic feed material is subjected to acid pressure oxidation and an alkaline sulfidic feed material is subjected to alkaline pressure oxidation, wi...
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WO/2012/070461A1 |
A device for producing titanium metal comprises (a) a first heating unit that heats and gasifies magnesium and a first channel that feeds the gaseous magnesium, (b) a second heating unit that heats and gasifies titanium tetrachloride so ...
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WO/2012/070452A1 |
A titanium metal production apparatus is provided with (a) a first flow channel that supplies magnesium in a state of gas, (b) a second flow channel that supplies titanium tetrachloride in a state of gas, (c) a gas mixing section in whic...
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WO/2012/067061A1 |
A production method for high-purity lanthanum having a purity of 4N or more excluding rare earth elements other than lanthanum and gas components, the method being characterized by the production of lanthanum having a purity of 4N or mor...
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WO/2012/059646A1 |
The invention relates to a method for controlling the thermal balance of a suspension smelting and to a suspension smelting furnace. The suspension smelting furnace, comprising a reaction shaft (1), a lower furnace (2), and an uptake (3)...
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WO/2012/058717A1 |
A two stage ironmaking process is disclosed. A first stage includes solid state reduction of iron ore and producing a partially-reduced iron-containing feed material and an off-gas containing CO2 at a location that is in close proximity ...
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WO/2012/034184A1 |
A molten bath-based direct smelting process includes controlling the process conditions in a direct smelting vessel so that molten slag in a molten bath of metal and slag in the vessel has a viscosity in a range of 0.5-5 poise in an oper...
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WO/2012/029379A1 |
A high purity platinum recovery method for obtaining a platinum sponge by dissolving a platinum alloy containing ruthenium in aqua regia, removing the residue and then reacting the acid wherein platinum is dissolved and an ammonium chlor...
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WO/2012/024167A1 |
The process relates improving the recovery of a metal catalyst from an oxidizer purge stream produced in the synthesis of carboxylic acid, typically terephthalic acid, while utilizing pressure filtration.
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WO/2012/019521A1 |
A method for preparing metal magnesium and magnesium-aluminium spinel with active magnesia and aluminium or an aluminium alloy as raw materials, comprising the following steps: (1) calcinating magnesite or brucite, and grinding to obtain...
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WO/2012/014174A2 |
A process for manufacturing physical assets for civil and/or industrial facilities on Moon, Mars and/or asteroid, as well as the kit of materials and apparatus for implementing the same. Such a kit allows in fact to implement the process...
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WO/2012/001700A1 |
A process for extracting metal values from ores or residues is disclosed. The process mentioned above is mainly suitable for aluminoferrous ores such as bauxite, titanoferrous ores such as ilmenite, or residues such as red mud waste. The...
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WO/2011/153683A1 |
A method for producing metallic magnesium by vacuum circulating silicothermic process and apparatus thereof. The method comprises the following steps: passing molten ferrosilicon (109) of 1350～1600℃ and magnesium ore powder containin...
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WO/2011/127672A1 |
A method for producing metallic magnesium by vacuum reduction comprises the following steps: calcining dolomite, magnesite, brucite and limestone respectively, compounding MgO and CaO thereof in a molar ratio of more than 1, grinding and...
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WO/2011/125402A1 |
A metal titanium production device comprising: (a) a magnesium evaporation unit in which solid magnesium is evaporated and a first flow path which is communicated with the evaporation unit and through which gaseous magnesium is supplied;...
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WO/2011/108570A1 |
An ironmaking process and an ironmaking system are provided in which ammonia, which is transported by an established method, is used as a reducing agent to thereby lower the temperature for the reduction reaction and make it possible to ...
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WO/2011/089622A2 |
A system and method for monitoring and optimizing smelting operations of a furnace have been disclosed. The system includes a processing means that process samples of the material to be smelted in the furnace and determines its mineralog...
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WO/2011/072338A1 |
Disclosed herein is a method for producing a titanium-aluminium alloy containing less than about 15wt.% aluminium. The method comprises a first step in which an amount of titanium subchlorides at or in excess of the stoichiometric amount...
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WO/2011/070239A1 |
The object of the invention is an arrangement for feeding powdery solid matter into a concentrate burner (2) of a suspension smelting or suspension converting furnace (1). The concentrate burner (2) comprises reaction gas feeding means (...
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WO/2011/051674A2 |
The present invention concerns the condensing of vapour phase compounds or elements, typically metals such as magnesium, obtained by reduction processes. These include metallothermic and carbothermic processes. There is described a metho...
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WO/2011/048265A1 |
The invention relates to a method of controlling the thermal balance of the reaction shaft of a suspension smelting furnace and to a concentrate burner for feeding reaction gas and pulverous solid mater into the reaction shaft of the sus...
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WO/2011/048263A1 |
The invention relates to a method of feeding a fuel gas into the reaction shaft of a suspension smelting furnace and to a concentrate burner for feeding a reaction gas and fine solid matter into the reaction shaft of the suspension smelt...
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WO/2011/048264A1 |
The invention relates to a method of using a suspension smelting furnace and to a suspension smelting furnace and to a concentrate burner (4). The concentrate burner (4) comprises a first gas supply device (12) for feeding a first gas (5...
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WO/2011/045755A1 |
This invention relates to a process for recovering ferrochrome alloy and chrome from slag containing entrained ferrochrome alloy and Cr2O3. In the process, slag is mixed with a molten ferrochrome metal phase containing silicon (known as ...
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WO/2011/042742A1 |
A process for the preparation of porous or thin- walled particulate silicon, comprising: (i) reacting a porous or thin-walled particulate silicon compound that can be reduced to elemental silicon with a reducing agent in an inert atmosph...
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WO/2011/040344A1 |
Disclosed is a method for producing briquettes, by which briquettes having enhanced strength can be produced even when the amount of a binder used therefor is reduced as much as possible. Specifically disclosed is a method for producing ...
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WO/2011/035915A1 |
The invention concerns a recycling process for recovery of metals from Li-ion batteries. More particularly, an autogeneous process is disclosed for the recovery of Co from Li-ion batteries also containing Al and C, comprising the steps o...
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WO/2011/027334A1 |
The invention relates to a method of processing metallurgical slag containing at least one desired metal slag compound. According to the method, the slag is admixed with a reductant and a preferred metal ore to obtain a reaction mixture....
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WO/2011/017855A1 |
A furnace for lead-slag reduction includes a furnace body (1), bases (4) for supporting the furnace body (1), lances (6) for injecting pulverized coal and electrodes (7). The furnace body (1) includes a hearth, a feed inlet (11), a lead-...
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WO/2011/012448A1 |
The present invention relates to a method for reducing metal oxides (3) to metallised material through contact with hot reducing gas, which is produced at least partly by catalytic reforming of a mixture of a gas that contains carbon dio...
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WO/2011/001282A2 |
The disclosure relates to metal reduction processes, which comprise adding a mixture comprising at least one metal-containing material, at least one reducing agent, and at least one additive into a reactor, heating the reactor to a selec...
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