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WO/2009/115749A2 |
The invention relates to a process for manufacturing a slag activator characterized in that it consists in treating, via thermolysis, a mixture of rubber waste (B) and of a magnesium compound (A) brought to a temperature between 350°C a...
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WO/2009/113913A1 |
The invention relates to producing metals and can be used removing nonmetallic impurities from chemically active and refractory metals. The inventive method involves generating an arc on an electrode and forming a plasma jet for heating ...
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WO/2009/113871A1 |
Device for adding a fluid to a liquid, for example of gas and/or particles to liquid metal. A rotor is rotated immersed in the liquid, comprising a hollow rotational body 10 with a first inner annular wall 16 with at least one radial ope...
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WO/2009/110627A1 |
In producing high-grade steel by using copper-containing steel scraps as the iron source, the copper contained in the scraps can be efficiently removed without large facilities by subjecting the copper-containing steel scraps to carburiz...
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WO/2009/107647A1 |
A process for the recovery of metal which comprises heating a metal-containing material in the presence of a perovskite-type double oxide represented by compositional formula (1): ABHaO3-b (1) (wherein A is at least one element selected ...
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WO/2009/104294A1 |
A molten lead-free solder alloy comprising tin as a main component and at least one metal selected from silver, copper, zinc, bismuth, antimony, nickel, and germanium added to the tin is immersed in a solution of an oil containing 5 to 8...
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WO/2009/104271A1 |
A method by which the amount of nickel contained in an alloy having a composition represented by Sn-X-Ni can be regulated. The method of nickel concentration regulation comprises adding phosphorus to Sn-X-Ni in a molten state (wherein X ...
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WO/2009/103025A2 |
Described herein are an apparatus and method for extracting one or more metals from metal sulfide-containing materials. The reactor includes: a containment vessel, the containment vessel having a base member and a wall member; a gas inje...
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WO/2009/097689A1 |
A method for producing prefluxed metal oxide from a metal salt selected from nickel hydroxide, cobalt hydroxide, mixed nickel-cobalt hydroxide, nickel carbonate, cobalt carbonate, mixed nickel-cobalt carbonate and combinations thereof in...
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WO/2009/092941A2 |
The invention relates to a method for melting a load in a furnace, the furnace including in the upstream portion of its melting area one or more side oxy-burners with a directable flame.
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WO/2009/084318A1 |
Disclosed is highly pure lanthanum which has a purity of 4 N or more as determined by excluding any rare earth element or any gaseous component therefrom, and which contains aluminum, iron and copper each in an amount of 100 wtppm or les...
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WO/2009/081886A1 |
A method of purification which comprises immersing a cooled object in a molten substance and crystallizing the substance on the surface of the cooled object to grow the crystal. While being rotated at a peripheral speed of 700-8,000 mm/s...
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WO/2009/081091A1 |
Carbothermic reduction of refined alumina is conducted in a reactor at temperatures in excess of 2150 -C so that no slag melt containing aluminium carbide is thermodynamically stable. A slurry of fine carbon particles in carbon-saturated...
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WO/2009/078467A1 |
The invention aims to attain lowered S content and non-contamination with Al and thereby enable the manufacturing of a copper alloy which has excellent casting surface and internal properties and in which crystal grains are refined. A sl...
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WO/2008/062204A9 |
A method for removing one or more substances from a starting material comprising a metal, a semi-metal, a metal compound or a semi-metal compound comprises the steps of mixing fine particles of said starting material with a reagent Y and...
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WO/2009/069781A1 |
A process for manufacturing a copper alloy product from a precipitation-hardening type copper alloy which comprises the step of conducting separately the melting of pure copper and the melting of an additional element or a master alloy c...
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WO/2009/066058A1 |
A metallurgical treatment vessel comprises a multi-use, isostatically pressed, or vibrocast one-piece refractory vessel (1), comprising refractory sidewalls (2) and an integral refractory base (3), the vessel (1) being adapted, in use, t...
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WO/2009/063482A2 |
A process for extraction of alumina from aluminum containing ores is disclosed. The process involves the following steps: determining the alumina and silica content in the ore; treating the ore with caustic, subjecting the reaction mass ...
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WO/2009/059489A1 |
A continuous distilling vacuum oven is used to refine metals. At least one coiling flow-guide groove (3) is disposed in every evaporation plate (1), whereof the beginning point (2) is the location at which the materials flow in, and the ...
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WO/2009/058894A2 |
An electric induction heating and melting system is provided for inducing heat in an electrically conductive material placed in a containment vessel by bringing a moveable one or more induction coils at least partially enclosed in a refr...
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WO/2009/054217A1 |
Disclosed is a method for producing a high-purity ytterbium, which is characterized in that a high-purity ytterbium is obtained by reducing a crude ytterbium oxide in a vacuum with a reducing metal composed of a metal having a low vapor ...
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WO/2009/049777A1 |
The invention relates to an electric furnace (1) with a receiving chamber (2) for molten material (3), wherein at least one electrode (4, 5) protrudes into the receiving chamber (2), and wherein means (6) for introducing dust into the re...
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WO/2009/047486A1 |
An extraction device is provided for use when extracting a ceramic foam filter, as used for example in the production and processing of aluminium. The extraction device includes an anchor device (3) suitable for driving into the filter, ...
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WO/2009/039665A1 |
The described embodiments relate to systems and methods for acoustic monitoring of metallurgical furnace cooling elements. Some metallurgical furnaces have a tapblock that is blocked during operation of the furnace. The tapblock may be o...
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WO/2009/007911A2 |
This invention relates to a separating apparatus and a separation method for quantitative separation of molten collector material and a molten slag during a process of assaying mineral ore samples to determine the concentration of select...
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WO/2009/008121A1 |
A process and apparatus for production of metallic calcium for use in the production of metallic titanium through reduction of a titanium compound; especially a process and apparatus for efficient production of high-purity metallic calci...
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WO/2009/006775A1 |
A stirring molten bath, an online stirring apparatus and the method of laying out the apparatus are illustrated. The online stirring apparatus includes a smelting furnace (1) connected with an online chute (2), wherein the chute is conne...
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WO/2008/127120A1 |
A process and equipment for reacting silicon tetrachloride with liquid zinc to produce silicon and zinc chloride the reaction taking place in a reactor (1 ). Silicon tetrachloride gas is injected continuously through one or more nozzles ...
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WO/2008/123355A1 |
Disclosed is a method for producing an aluminum alloy thick plate, which is characterized by sequentially performing, in the following order, a melting step (S1) wherein an aluminum alloy consisting of a predetermined amount of Mg, at le...
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WO/2008/119329A2 |
The invention relates to a method for purifying melts. Said method comprises the step of adding (10) at least one reactant which reacts with at least one impurity, said impurity being contained in the melt (36), in such a manner that the...
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WO/2008/119330A1 |
The invention relates to a method for purifying melts. According to said method, subsequent purification zones (3; 23; 43a, 43b) are passed through the melt (1), temperatures being configured in the purification zones (3; 23; 43a, 43b) i...
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WO/2008/121630A1 |
An apparatus for melting an electrically conductive metallic material includes a vacuum chamber and a hearth disposed in the vacuum chamber. At least one wire-discharge ion plasma electron emitter is disposed in or adjacent the vacuum ch...
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WO/2008/101283A1 |
A commercial scale electrochemical cell for carrying out an electrochemical process for reducing a metal oxide such as a titanium oxide in a solid state is disclosed. The cell includes a plurality of cathodes that are formed at least in ...
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WO/2008/103912A1 |
An in-line deep box treatment of molten metal (51) wherein, Instead of gaseous Cl2, a solid salt reactant containing a halide salt (e.g., MgCl2) as one of its components may be injected into the molten metal along with an inert gas (typi...
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WO/2008/098333A1 |
Coal dust additivated with water soluble carbohydrates for use in the green sand composition for molding of castings refers to a process for obtaining coal additivated with carbohydrates to be used in the green molding sand composition, ...
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WO/2008/094036A1 |
Device for purifying a metal flow comprising a vessel (2) having an inlet conduit (3) and an outlet (8). Swirl in the vessel is generated by embodying the inlet conduit as a spiral. The outlet opening iof the vessel is surrounded by an u...
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WO/2008/092614A1 |
This invention concerns a process for rendering nonferrous metallurgical slag suitable for dumping or recycling. A process is divulged for improving the environmental quality of a heavy-metal and iron-bearing slag from a reduction smelte...
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WO/2008/088238A1 |
The invention relates to electric arc plasma reactors-separators used for producing molten high-melting-point metallic and non-metallic materials and fumes. The inventive reactor comprises two heat-exchange devices (17, 1) for first and ...
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WO/2008/086872A1 |
An inert atmosphere for protecting, stabilising and making inert melt baths in systems for melting light metal alloys, containing pentafluoroethane C2HF5, alone or in a mixture with other gases is disclosed. Compared with the solutions o...
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WO/2008/087865A1 |
This invention provides a degassing apparatus which can satisfactorily remove inclusions such as H2 gas in a molten metal. A degassing apparatus (1) is characterized in that it comprises a degassing chamber (4) for agitating a molten met...
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WO/2008/083449A2 |
A process for recycling composite materials includes the steps of feeding a quantity of composite material composed of at least one polymer and aluminum into at least one first reactor; heating the composite material in a non-oxidizing e...
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WO/2008/079015A1 |
Method for removal of elements from a metal melt in a container, which melt contains a base metal and elements of undesirable constituents, in which the metal melt is heated to a level maintaining the content melted. The metal melt is he...
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WO/2008/078402A1 |
In a method of preparing a metal ingot through smelting using electron beams, a technology for uniformly in high yield feeding a powdery alloy raw material and a granular metal raw material to an electron beam smelting furnace is provide...
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WO/2008/075994A1 |
The invention relates to metallurgy and foundry engineering, in particular to producing a monocrystalline structure and to a melt refining associated therewith. The inventive method for producing superpurity metals and monocrystals made ...
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WO/2008/072330A1 |
An apparatus for precipitating/separating excess copper which has dissolved in a lead-free solder comprising tin as the main ingredient. With the apparatus, the tin is safely and efficiently recovered. The apparatus (1) enables copper wh...
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WO/2008/067614A1 |
A method for the recovery of a metal from composite particles comprising particles of the metal to be recovered dispersed in a matrix of another metal salt, which method comprises: a) forming a mixture by adding the composite particles t...
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WO/2008/068835A1 |
An ultralow-sulfur high-cleanliness steel having an [S] of 10 ppm or lower and a T.[O] of 40 ppm or lower is produced by a simple means without the need of adding CaF2 to a molten steel in a ladle or increasing the temperature of the ste...
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WO/2008/068810A1 |
A process for recovering valuable metals, namely, at least one element (M) selected from the group consisting of Mo, Ni and Co and V from waste containing the valuable metals in the form of iron ally, which comprises the step (a) of roas...
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WO/2008/066398A1 |
This invention relates to a method for purifying metal alloy and intermetallic powders. Particularly, the present invention relates to a method for the reduction or elimination of the content of the dissolved oxygen and to remove the met...
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WO/2008/064738A1 |
The invention relates to a device and a method for processing nonferrous metals (3) which, for the commercial and noncommercial reduction of foreign elements and/or foreign compounds (2) in the nonferrous metal (3), provides that the non...
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