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Patent Searching and Data


Matches 401 - 450 out of 3,128

Document Document Title
WO/1997/016576A1
A thermo-mechanical process for producing aluminium or other metals from aluminium or metal compounds, is described, whereby aluminium oxide or similar aluminium compounds or similar other metal compounds, are heated by friction generate...  
WO/1997/006876A1
The invention concerns a process for purifying waste gases from smelting, resmelting or combustion plant furnaces and the use of the filter dusts produced. The invention is used in particular in the production or preparation of nonferrou...  
WO/1997/006394A1
A metal fusion furnace capable of controlling speeds, at which a metallic material is charged from a preheating section to a fusing section, within an optimum range, and efficiently fusing the metallic material only with oxygen burners, ...  
WO/1996/039545A1
A method of and apparatus for treating molten metal to achieve effective removal of such unwanted inclusions as gases, alkali metals, entrained solids, and the like. The method comprises continuously introducing molten metal into a conta...  
WO/1996/038220A1
A process of selectively separating a target metal contained in an aqueous solution by contacting the aqueous solution containing a target metal with an aqueous solution including a water-soluble polymer capable of binding with the targe...  
WO/1996/032513A1
A cooling system for an aluminium dross press head comprises air inlet means allowing air to be drawn into the press head and a hollow actuating rod connected to the press head which extracts air from the press head.  
WO/1996/032515A1
An incremental rotational system for an aluminium dross processing head includes lever means actuated by the head as it rises to rotate the head by a defined amount, no independent drive system being required.  
WO/1996/032516A1
Residues which arise from industrial processes and the burning of rubbish and contain heavy metals and/or heavy metal compunds are subjected to a two-stage reduction process providing re-usable metal and silicon-containing alloys. In a f...  
WO/1996/032514A1
A dross press is enclosed within a cabinet which is normally maintained at a negative pressure relative to ambient air pressure. The cabinet is provided with locked doors to prevent egress of explosive gases or pieces of metal is equippe...  
WO/1996/030143A1
A method and an apparatus for dispersing a first fluid into a second fluid are described. Upper vessel (2) and lower vessel (3) for the second fluid are in fluid communication via a conduit (4). The conduit (4) has a constricted outlet (...  
WO/1996/030549A1
Method and apparatus for recovering free aluminum from a metal bearing dross containing free aluminum metal and oxides of the metal. Hot dross (14) is collected from a hot dross source (10) into a vessel (12), and the vessel (12) is plac...  
WO/1996/028577A1
A fast quench reaction includes a reactor chamber having a high temperature heating means such as a plasma torch at its inlet and a restrictive convergent-divergent nozzle at its outlet end. Reactants are injected into the reactor chambe...  
WO/1996/026801A1
The fill chamber bore (17) of a die-casting machine (1) is lubricated and prepared for casting by inserting an elongated member into the die-end of the bore while spraying with lubricant. During withdrawal of the elongated member, a coni...  
WO/1996/023222A1
A device for determining the purity of a metal alloy, in particular an aluminium alloy, It comprises a pot (10) featuring a receptacle (14) of an essentially flared shape on a vertical axis, the lower extremity featuring an orifice (18) ...  
WO/1996/022397A1
An apparatus and method for reclaiming metal chips formed while machining metal castings to their finished shape. The apparatus includes a stationary charging tube (100) extending in a generally perpendicular direction from the charge we...  
WO/1996/020290A1
Use: extraction of aluminium and aluminium alloys from aluminium waste. The essence of the invention lies in heating the waste in the form of slag to 760-880 �C and treating it with a reagent which promotes the separation of oxides fro...  
WO/1996/018746A1
A method of recovering metallic aluminum with ease in a high yield at a low cost from metallic aluminum-containing wastes which are becoming more and more abundant in recent years, such as aluminum can, aluminized foil, aluminum scrap, a...  
WO/1996/016192A1
The invention relates to a composition for covering aluminum melt and a method of preparing the same. The composition comprises potassium chloride, sodium chloride, lithium chloride, potassium fluoride and sodium hydrogen sulfate. The co...  
WO/1996/016193A1
Device for continuously treating a flow of liquid metal comprising the disolved suspended impurities, said device comprising a container characterized in that said container has at least one assembly comprised of a gas curtain traversing...  
WO/1996/002681A1
The invention relates to a process of recovering a non-ferrous metal from a dross containing the same. The process involves introducing into a furnace (preferably a rotary furnace) the dross and a coalescing aid for the metal, heating th...  
WO/1996/001332A1
A method of and an apparatus for recycling aluminum having a very low content of impurities, after removing paint and pigment substantially completely from the surface of a used aluminum can. Pressed blocks of aluminum cans are crushed i...  
WO1995027555A3  
WO/1995/029267A1
The present invention relates to a novel method for forming cast metal matrix composite bodies. In particular, the present invention relates to a novel method for forming or recycling metal matrix composite bodies so as to render such bo...  
WO/1995/027555A2
The invention concerns a process for purifying waste furnace gases and for using the resultant filter residue. Alkaline aggregates, containing sodium or potassium as the cation, are added to the waste furnace gas. In a subsequent stage, ...  
WO/1995/025822A1
In the process for improving metallic casting materials, the casting material is first heated to melting point and then kept at a temperature at or above the further processing temperature of the casting material. This melt is partially ...  
WO/1995/023239A1
A process and apparatus are disclosed for recovering a non-ferrous metal, preferably aluminum and aluminum alloys, in molten coherent form from a charge of material to be processed containing the metal. The charge is introduced into a se...  
WO/1995/021273A1
A method of and apparatus for treating molten metal to achieve effective removal of such unwanted inclusions as gases, alkali metals, entrained solids, and the like. The method comprises introducing molten metal into a trough, such as th...  
WO/1995/019454A1
In order to recycle aluminum alloy products for automobiles, especially, surface treated aluminum alloy for bodies of automobiles, automobile aluminum alloy product scraps are used as part or the entire of fusing material at least after ...  
WO/1995/018872A1
Use: in reprocessing aluminium slag by smelting. The essence of the invention lies in the fact that a reagent is introduced into the molten aluminium to promote the separation of oxides and metallic aluminium at a temperature of 800-930 ...  
WO/1995/015404A1
A method of recovering an aluminum-containing metal (16) from a scrap material (14, 14') containing the metal and an organic contaminant, such as paper, plastics, lacquer, paint or oil. The method involves creating a fluidized bed (10) o...  
WO/1995/013402A1
A ladle comprising one or more compartments for continuously processing molten metal, e.g. aluminium or alloys thereof, by means of a gas feeding and immersion heating device. Said ladle comprises a plurality of small diameter, high unit...  
WO/1995/012000A1
A ladle for filtering liquid metal such as Al, Mg or alloys thereof on a filter medium such as a gravel bed (2, 3), comprising a first heater (6) located outside the bed and the liquid metal, and a second heater (11), e.g. an immersion h...  
WO/1995/006757A1
A process is disclosed for treating used aluminum chlorofluoride catalyst either alone or mixed with organics. It involves forming a solution of the catalyst in water or an aqueous acid and then adjusting the pH of the aquous phase forme...  
WO/1995/005488A1
Described is a method of reprocessing flat substrates, such as foil, sheet or strip, coated with metal, in particular aluminium. The metal is separated from the substrate and granulated. To this end, the invention calls for the metal-coa...  
WO/1995/003434A1
Aluminium with a purety exceeding 99.998 %, produced by electrolytic refining, such as obtained at the outlet of the refining tank without subsequent processing, its rare earth content being less than 100 ppb and its total uranium and th...  
WO/1995/002707A1
There is provided an improved method for dispersing a treatment media in a body of molten metal using an impeller (6) to disperse the media in the body of molten metal (8), the method producing increased shear forces in the body of molte...  
WO/1994/024049A1
Saltcake (10) generated by the aluminum industry is completely recycled through a process that simultaneously liberates the contained aluminum metal and dissolves the soluble salt fluxes to recover aluminum metal, aluminum oxide and salt...  
WO1994017919A3  
WO/1994/018117A1
In accordance with the invention an alkali metal is reacted with an ionizable hydrogen compound selected from the group consisting of hydrochloric acid, water or mixtures thereof to produce hydrogen and an alkali metal chloride or alkali...  
WO/1994/018349A1
Molten metal (11) containing suspended liquid particles is passed preferably generally upwardly through a porous media (24) so constructed and arranged such that the movement of the molten metal (11) therethrough renders the suspended li...  
WO/1994/017919A2
A process is disclosed for extracting recoverable substances from a composite material containing at least one aluminium layer and one polyolefin layer. For that purpose, the composite material is introduced into a reaction chamber (1), ...  
WO/1994/012301A1
An apparatus with a filtering zone (28) for filtering molten material, such as a molten metal-ceramic particle mixture, includes a porous cloth filter (50) located so that the mixture must pass through the cloth filter (50), and a mechan...  
WO/1994/012434A1
The invention relates to a process for converting waste aluminum dross residue to valuable products. The process involves mixing the dross residue with sodium oxide or a precursor and heating the mixture to 800-1300 �C for a period of ...  
WO/1994/004711A1
A furnace (1) has a main holding portion (2) and a charging well (4) into which molten metal from the holding portion is circulated by means of an electromagnetic pump (7). Metal enters the well as a tangential flow and a stationary turb...  
WO/1994/002263A1
A process for treatment of a solid material containing fluoride and sodium, such as spent potlining from aluminium reduction cells, comprising the following steps: 1) contacting the solid material (10) with recycled caustic liquor (14) a...  
WO/1993/025717A1
A process and apparatus for continuously monitoring or detecting a liquid element or compound in another, different liquid includes introducing (120) a gas into a first liquid (112), measuring bubble size of bubble formation of the gas i...  
WO/1993/024667A1
In a metallurgical process, a unique materials conservation and environmental process for treating dross materials at the site of a melting chamber by applying a preselected fines suppressing agent to stages of the dross materials prompt...  
WO/1993/017135A1
The invention relates to a method for recovering non-ferrous metal from a dross starting material containing this metal, optionally together with non-ferrous metal scrap, and/or a starting material comprised of such scrap. The method com...  
WO/1993/006253A1
Continuous melting of lightweight shredded metal, e.g. in the recycling of aluminium can scrap, uses apparatus as shown in the figure 1, the scrap portions being fed into the top of a melting chamber (12) to be acted on by an upward flow...  
WO/1993/006254A1
A process is disclosed for treating salt-containing aluminum dross to remove potassium and sodium chloride salts therefrom. The process generally comprises treating the dross in a first treating step with a leaching solution having a pH ...  

Matches 401 - 450 out of 3,128