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Matches 251 - 300 out of 2,672

Document Document Title
WO/2013/053143A1
A device for processing aluminum and aluminum alloy fusant is provided with an aluminum melting furnace (1), an exchange chamber A (2), and an exchange chamber B (3) communicating with one another. A rotation means (8) with a graphite ro...  
WO/2013/045855A1
The invention relates to a process for treating an effluent that contains metals, comprising: - at least one step of extraction of the chloride ions present in the effluent, in the form of metal complexes, by liquid-liquid extraction in ...  
WO/2013/037054A1
There are provided processes for preparing alumina. These processes can comprise leaching an aluminum-containing material with HCl so as to obtain a leachate comprising aluminum ions and a solid, and separating said solid from said leach...  
WO/2013/020339A1
Provided is a method for purifying high-purity aluminium by directional solidification, comprising the steps of: selecting an aluminium raw material with a purity of from 4N to 5N, heating same to a temperature of 670°C to 730°C, stand...  
WO/2013/013321A1
A method and a use for the purification of a metal selected from the group consisting of aluminum and aluminum alloys, wherein said metal is in a liquid phase and is contacted with a salt flux consisting of a selected tertiary mixture of...  
WO/2013/010263A1
There are provided methods for separating iron ions from aluminum ions contained in an acidic composition. The methods comprise reacting the acidic composition with a basic aqueous composition having a pH of at least 10.5 so as to obtain...  
WO/2013/006852A2
In accordance with one aspect of an exemplary embodiment, a furnace including a charge well is provided. The charge well comprises an open top chamber including side and base walls of a heat resistant material. An inlet is provided in a ...  
WO/2012/170604A1
A flux injector apparatus and method adapted to distribute a predetermined amount of flux to an associated pool of molten aluminum. The flux injector apparatus includes a pressurized tank adapted to store and feed the flux under pressure...  
WO/2012/113418A1
Process for treating aluminium slags (41) in the form of dross or aluminium salt slags obtained in the winning of aluminium, in which the aluminium slag (41) obtained in the melting process is brought with exclusion of the surrounding at...  
WO/2012/090843A1
An impurity separation method comprising: mounting an impurity separation device in a molten aluminum alloy, the device being provided with a flow path having a cross-sectional area less than that of the upstream and downstream flow path...  
WO/2012/091963A1
A simple, compact burner achieves a more optimal melting of a solid charge followed by performance of combustion under distributed combustion conditions. The burner achieves this by fluidically bending the flame towards the solid charge ...  
WO/2012/065253A1
There is provided a method for extracting aluminum ions from aluminous ores, such as argillite. The process comprises leaching the argillite with an acid such as HCI so as to obtain a composition comprising the aluminum ions and iron ion...  
WO/2012/064220A1
A method is proposed for producing aluminium by metallothermic reduction of trichloride with magnesium in a stream of inert gas at a temperature of 900 - 1150°C, an overall pressure of 0.01 to 5 at and a mass ratio of aluminium chloride...  
WO/2012/065191A2
A process for the selective recovery of Mo, V, Ni, Co and Al from spent hydroprocessing catalysts includes the steps of treating the spent catalysts to recovery metals, support as well as chemicals. The process steps include deoiling, de...  
WO/2012/054478A1
Various illustrative embodiments of an apparatus and method for reducing the dissolved hydrogen content of a molten metal alloy are provided. The disclosed embodiments can be utilized for the processing of molten metal alloys such as alu...  
WO/2012/053328A1
Provided is a flange joint for a molten metal stirring body, configured so that, even if used for many hours or for an extended period of time, the flange joint can be easily detached from the shaft and does not cause the breakage of the...  
WO/2012/019027A1
A tilting rotary furnace (10) with a door assembly (16) that seals against a furnace vessel (12). The seal between the door and the furnace vessel allows for regulation of the internal environment of the furnace and control over thermitt...  
WO/2012/016913A1
Process for melting scrap metal in a furnace comprising the steps of feeding a charge of solid scrap metal to the furnace, supplying fuel and an oxygen-rich oxidant to the furnace and combusting the fuel with the oxidant to generate heat...  
WO/2012/006726A1
The present document describes a method and confinement unit for stopping a chemical reaction involving hot metal dross and a gas in the surrounding environment. The method comprises transferring the hot metal dross in a dross pan and pl...  
WO/2011/161443A1
Apparatus and a method of handling a molten metal processing by-product are provided in which the by-product is placed in a container unit and put in the apparatus, the apparatus including an element having a first position outside of th...  
WO/2011/150584A1
A method for producing alumina from metallurgical materials containing aluminium, comprises the following steps: decomposing the metallurgical materials containing aluminium with sulphuric acid to obtain aluminum sulfate solution, purify...  
WO/2011/146563A2
Embodiments of an aluminum dross cooling head are disclosed. The cooling cooperates with a material container encapsulate dross and reduce thermiting of the dross. In one embodiment, the cooling head also serves as a compression head whe...  
WO/2011/135991A1
Disclosed is a valuable metal recovery method that has excellent valuable metal selectivity and recovery efficiency, and furthermore is capable of reusing materials that were used in the recovery of a valuable metal. The valuable metal r...  
WO/2011/131901A1
The invention relates to a method and system for treating (22) fumes and gas (15) produced by at least one igneous electrolytic cell (2) during the production of aluminium, the fumes and gas comprising carbon dioxide, dust and hydrogen f...  
WO/2011/132628A1
Disclosed are a method for melting aluminum powder and a melting apparatus capable of melting aluminum powder with a high yield and making it possible to reuse the melted aluminum in a variety of applications. The method for melting alum...  
WO/2011/127402A1
Methods and devices for degassing and for removing impurities from molten metals are disclosed. These methods can include operating an ultrasonic device in a molten metal bath, and adding a purging gas into the molten metal bath in close...  
WO/2011/121367A1
A compressing element, devices for using such a compressing element and methods of use are provided, in which the compressing element has: a upper surface provided with an inlet and an outlet; a lower surface; an at least partially hollo...  
WO/2011/110299A1
The invention relates to an apparatus for melting down aluminium particles, comprising a melt bath containing liquid aluminium and a feed device for aluminium particles. To make melting of the aluminium particles without undesirable form...  
WO/2011/111407A1
Disclosed is a wastewater treatment method for selectively eliminating manganese from wastewater that is acidic due to sulfuric acid and contains aluminum, magnesium and manganese. The wastewater treatment method controls the precipitati...  
WO/2011/111525A1
Disclosed is a method in which oxidation loss can be reduced by directly melting recovered printing plates with new ore so that a molten yield as high as the melting of regenerated metal can be obtained. Specifically disclosed is a melti...  
WO/2011/110590A1
A method and apparatus for harvesting waste thermal energy from a pyrometallurgical vessel (1) and converting that energy to direct electrical current, the method including deriving and controlling a primary fluid flow (103) from a prima...  
WO/2011/098750A1
A metal reclaiming system and method for reclaiming metal from scrap material is provided. The system has a furnace (12) and a controller (106) for controlling operation of the system. The controller (106) operates the metal reclaiming s...  
WO/2011/096170A1
Disclosed is a method for purifying aluminum, which is capable of removing impurity components such as Zn and Mg in molten aluminum without requiring an agitation device and without extremely lowering the vacuum degree. The method for pu...  
WO/2011/055402A1
Aluminium melting plant for the production of ingots for foundry, characterized by the fact that it is completely modular, in which every module, melting furnace, waiting basin, joint for the distribution of liquid metal, systems for loa...  
WO/2011/043907A1
A process for increasing the percentage of metal recovery from dross containing metal particles of different sizes having oxide and salt components adhered thereto. The process includes crushing and tumbling the dross to mechanically rem...  
WO/2011/035187A2
A method of purifying an aluminum source includes dissolving an aluminum ion source to provide a first solution including aluminum ions having a pH of not greater than 4.0, adjusting the pH of the first solution with a tetraalkylammonium...  
WO/2011/032696A1
The invention relates to a method for recycling aluminium from drink cans, in which the drink cans are comminuted to small particles in a shredder (6) and the particles are first cleaned of adhering drink residues and subsequently cleane...  
WO/2011/029172A1
There is provided a method of treating a metalliferrous material, comprising: providing a metalliferrous material including at least one target metallic element; solubilising the metalliferrous material so as to effect production of an i...  
WO/2011/021940A1
A method and a device for a crucible (10) are described for temporary storage of a melt (40) such as molten metal, with the crucible (10) being equipped with a lid (24) with an inlet bend (14) that comprises an internal, arched bore (16)...  
WO/2011/020092A1
A preheat charging system for preheating scrap metal prior to delivery to a melting furnace. The system includes a preheating station having a heating chamber adapted to receive scrap metal. Hot gas from a burner chamber is circulated ar...  
WO/2011/017166A1
Compositions for making wettable cathodes to be used in aluminum electrolysis cells are disclosed. The compositions generally include titanium diboride (TiB2) and metal additives. The amount of selected metal additives may result in prod...  
WO/2011/017643A1
A liquid containing receptacle having a filter is disclosed that in one form includes a nozzle. The filter includes a passage having a portion with a size that restricts the flow of a liquid there through unless sufficient pressure is ap...  
WO/2010/142025A1
A use and a method for the purification of a metal selected from the group consisting of aluminum and aluminum alloys, wherein said metal is in a liquid phase and is contacted with a salt flux consisting of a binary mixture of NaCI and M...  
WO/2010/143536A1
Provided is a lance pipe that can be used economically. The lance pipe (1) introduces a injection gas into molten aluminum, and is characterized in that the tip of a gas introduction pipe (2) is provided with a detachable porous tip sect...  
WO/2010/119018A1
The present invention relates to a method for removing residue of a metallic salt-containing ionic fluid from a work piece, comprising the step of (a) treating at least part of the work piece surface with a treatment agent containing a m...  
WO/2010/118465A1
A continuous pre-baked or rodless anode assembly 1 for an aluminium smelting cell, comprising one or more pre-baked anodes (2, 3, 4) arranged in a cassette to have two exposed end faces, electrical contact means (5, 6, 7) at the exposed ...  
WO/2010/094337A1
A melting device (1) for aluminium and aluminium alloys which comprises a melting furnace (2) having a melting chamber (3), arranged to keep a volume of aluminium, provided with at least one burner (9) arranged for the purpose of heating...  
WO/2010/095360A1
Provided is a device for stirring a molten metal whereby bubbles formed by blowing a gas can be miniaturized and uniformized. A device (1) for stirring a molten metal equipped with a stirring blade (2) which is attached to the front end ...  
WO/2010/091515A1
A filter bag for Bayer liquor filtration in an alumina production process, the filter bag comprising a filter sleeve being tubular with an open end and a closed end opposite the open end, and a connector being tubular, made of an anti-sc...  
WO/2010/074845A1
A method of recovering aluminum is provided. An alloy melt having Al4C3 and aluminum is provided. This mixture is cooled and then a sufficient amount of a finely dispersed gas is added to the alloy melt at a temperature of about 700 °C....  

Matches 251 - 300 out of 2,672