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WO/2010/022742A1 |
The invention concerns the method for reprocessing of aluminium slag. Novelty of the method is that the reprocessing of the aluminium slag is performed in electro-slag furnace with the crucible with the bottom electrode as a cathode and ...
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WO/2009/004283A9 |
A rotary device for treating molten metal, said device comprising a hollow shaft (30) at one end of which is a rotor (40), said rotor (40) having :- a roof (42) and a base (44), said roof (42) and base (44) being spaced apart and connect...
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WO/2010/005716A2 |
A method for filtering molten aluminum and aluminum alloys. The method includes providing a reticulated foam wherein oxygen is introduced to an interior of the reticulated foam. Molten aluminum or aluminum alloy is passed through said re...
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WO/2009/145615A1 |
A method for recycling aluminium slags, comprising the steps of supplying aluminium slags, releasing aluminium-containing parts from the slags using a first crushing device in which the slags are crushed to form fractions, filtering the ...
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WO/2009/135269A1 |
A mass of solid aluminium carbide containing product is produced by a process in which a mixture is formed of an aluminium containing material and a carbonaceous material consisting of, containing or yielding carbon. Then the resulting m...
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WO/2009/115177A1 |
The invention relates to a raw material containing high alumina, comprising (relative to the dry substance) AI2O3 50 - 90 wt.-% MgO 1 - 20 wt.-% SiO2 0.5 - 15 wt.-% AIN 0.1 - 15 wt.-% Fe2O3 0.1 - 5 wt.-% CaO 0.1 - 7 wt.-% 0.1 - 10 wt.-% ...
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WO/2009/114147A2 |
Aspects of this molten aluminum refining system include a rotor based injection system which provides for the injection and dispersion of both gas and flux for refining molten aluminum.
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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/2009/092539A1 |
The present invention relates to a process for recycling SPL (spent pot linings), from primary aluminium production, comprising the steps of grinding the separated fractions or cuts, separating materials by means of mechanical treatment,...
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WO/2009/087079A2 |
Process for utilizing aluminium in waste materials, in particular in association with other materials, having the following steps: - the waste materials are comminuted and metals and/or metal composite material is substantially freed fro...
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WO/2009/084568A1 |
A method of metal regeneration characterized by comprising: a melting-furnace cleaning step in which pure aluminum having an aluminum content of 99.5 wt.% or higher is melted in a melting furnace to clean the inside of the melting furnac...
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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/2009/073381A1 |
The apparatus system includes a carbothermic reactor and an electrical supply. The reactor includes a plurality of side-entering electrodes and a top-entering electrode. The electrical supply may be operable to supply multiphase current ...
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WO/2009/067606A2 |
In the mining process, linear, branched, hyperbranched or dendrimeric polyols or mixtures thereof are employed as process stabilization aids for aqueous solutions and, or suspensions of metal salts. A specific application area of the pol...
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WO/2009/066308A2 |
A process for extraction of alumina from aluminum containing ores is disclosed. The process comprises the following steps, determining the alumina and silica content in the ore; treating the ore with caustic and heat, leaching the interm...
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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/2009/047486A1 |
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/2009/047624A1 |
A furnace plant including at least one furnace vessel comprising side walls, a bottom and a roof. At least one heater is configured to heat metal in the furnace vessel. A compartment includes sidewalls lined with refractory material. The...
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WO/2009/012584A1 |
The method of the invention provides means of destroying highly stable metal cyanide ions found in a solution, and converting the cyanide to harmless by-products. Contrary to conventional methods which merely complex the cyanide into a m...
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WO/2009/013177A1 |
During melting of aluminium, e.g. for purification of aluminium, salts are added to remove impurities or to protect the molten aluminium against oxidation by air and other undesired reactions. After separation of the aluminium, aluminium...
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WO/2009/009317A1 |
An agglomerate, comprising alumina, carbon, and a binder for use in a vapor recovery reactor of a carbothermic alumina reduction furnace is disclosed. A method for using alumina-carbon agglomerates to capture aluminum vapor species and u...
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WO/2008/141423A1 |
There are provided processes and compositions for extracting aluminum and/or iron ions from aluminous ores or a mixture. One process comprises recovering said aluminum ions from a composition comprising said aluminum ions, said iron ions...
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WO/2008/136542A1 |
Disclosed is a reactor for separating an aluminum layer from a multi-layer film wastes to reuse a multi-layer film waste without burying or incinerating the multi-layer film waste including the aluminum. The reactor comprises a cylindric...
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WO/2008/132830A1 |
Disclosed is a method for recovering a rare metal such as gallium or indium from a group III-V compound semiconductor or the like for recycling. Specifically disclosed is a method for recovering at least one metal selected from the group...
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WO/2008/126026A2 |
The disclosed method comprises a step during which said waste is subjected to pyrolysis, and a step during which the metal obtained during pyrolysis is recovered. The method is characterised in that pyrolysis is carried out in the presen...
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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/2008/103912A1 |
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/2008/103402A2 |
A quiescent melt handling system includes a holding furnace (2, 120, 320 - 720) for a molten metal melt. The holding furnace has a relatively large surface area and a relatively shallow depth, having a width to depth ratio in the range o...
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WO/2008/103802A1 |
Methods, apparatus and systems for protecting molten aluminum-magnesium alloys from oxidation during production processes are provided. The methods generally involve passing a carbon dioxide containing cover gas comprising at least about...
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WO/2008/100650A1 |
A batch process for producing low carbon aluminum using a single carbothermice reactor furnace is disclosed in which the slag making, metal making and carbon extraction is carried out in a single furnace, single compartment reactor (11)....
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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/2008/087865A1 |
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/2008/080188A1 |
A mass of solid aluminium carbide containing product is produced by injecting particulate alumina into a bath (30) of molten aluminium metal; and injecting carbonaceous material, consisting of, containing or yielding carbon, into the bat...
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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/2008/031473A1 |
A cored wire (1) for treating molten metal by means of wire injection is shown and described, comprising an outer casing formed by a metal strip (2) and comprising a filling material (3) which is in the form of granules and/or powder and...
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WO/2008/017724A2 |
The subject matter of the invention is an aggregate and/or filler extracted from slag, a method for the production thereof, and the use thereof. According to the invention, a recyclate extracted from metal or metal slag having less than ...
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WO/2008/011206A1 |
Systems and associated methods for carbothermically producing aluminum are provided, the systems generally including a reactor having a depth such that when the reactor contains molten liquid hydrostatic pressure of the molten liquid is ...
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WO/2008/010721A1 |
A method and a device for admixture of powder in a liquid, whereby the method comprises that the liquid in a supply (14), influenced by underpressure in a crucible (12) to which the liquid is to be transferred, flows through a drain tube...
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WO/2008/003505A1 |
The invention relates to a method and device for the purification and separation of purified metal from a metal mother liquid having a specific density and comprising one or more foreign element(s), the method comprising the steps of: pr...
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WO/2008/001034A1 |
A filter for molten metal, the filter comprising a perforated surface and the perforated surface retaining a filter media for contact with a molten metal passing in use across the perforated surface between perforations of the perforated...
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WO/2008/000341A1 |
Method for the purification of a molten metal, the molten metal having a specific density and comprising one or more foreign elements which are to be removed, the method comprises the steps of : (a) a cooling step wherein the molten meta...
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WO/2007/147962A2 |
Process for manufacturing an aluminium-based reflow block intended for producing an aluminium alloy for the aeronautical industry, in which: (i) scrap containing predominantly aluminium alloys used in the aeronautical industry is supplie...
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WO/2007/147587A1 |
The invention relates to a method for the separation of a dispersion of molten aluminium and solid inclusions formed from a melt of aluminium containing one or more foreign chemical elements. The invention is characterised in that molten...
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WO/2007/135838A1 |
A process for aluminum alloy plate production which has excellent productivity and in which the control of surface state and flatness is easy and plate thickness precision is improved; and an aluminum alloy plate. The following steps are...
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WO/2007/093605A1 |
The invention relates to an aluminium alloy for producing an aluminium strip for lithographic printing plate carriers, a method for producing an aluminium alloy for lithographic printing plate carriers in which the liquid aluminium is ta...
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WO/2007/088937A1 |
A metal filtering apparatus that without complex structuring, permits uniform easy cleaning of multiple ceramic tubes. A pair of side boards (10, 11) are provided in unit container (2). Multiple lengthy ceramic tubes (13) are fitted betw...
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WO/2007/073823A1 |
A casting installation, in particular for aluminium or aluminium alloys, comprises a number of ladles (2) which can be filled with molten metal. These ladles (2) are filled and transported from a filling station to at least one handling ...
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WO/2007/072898A1 |
A pair of refractory plates (11,12) are disposed within a unit container. Multiple lengthy ceramic tubes (14) are fitted between the pair of refractory plates (11,12). One end (14a), on the side of melt outlet aperture (9), of each of th...
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WO/2007/062753A1 |
The invention relates to a method to control a process for heating or melting a metal (2), in particular aluminium, comprising the steps: - heating said metal (2) in a fuel-fired furnace (1) wherein a fuel is combusted with an oxygen con...
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