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WO/1992/007967A1 |
A process is described for removing all reinforcing particles contained in metal matrix composite scrap materials. This new technique involves providing a treatment vessel for holding a melt of an aluminum matrix composite to be recycled...
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WO/1992/005215A1 |
According to a process for recovering metals and coatings from composite materials, the composite materials are treated with specific solvents at a high temperature. In the case of metal/plastics composite materials, the plastics are dis...
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WO/1992/002649A1 |
A ceramic foam filter cartridge (1) having upper and lower surfaces (2, 3) and edges (4, 5) tapering inwardly from the upper surface (2) to the lower surface (3) characterised in that a structure (6, 7, 8, 9) including a reinforcing memb...
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WO/1992/001825A1 |
The invention relates to a process of decontaminating metal (especially aluminum or aluminum alloy) scrap contaminated with organic material. The problem with such methods is that undue oxidation of the metal may take place as the decont...
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WO/1992/001074A1 |
The noxious fumes leaving the dry hearth chamber (112) of a metal recovery furnace (102) are fed to an incinerator (106) where they are burnt at high temperature with oxygen. The hot, clean exhaust gas is introduced to the bath chamber (...
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WO/1991/015607A1 |
A rotary furnace for melting aluminium dross or turnings, etc., the furnace having within it a plurality of balls preferably of ceramic material, which are heavier than aluminium and which assist in breaking down the dross or turnings, e...
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WO/1991/014009A1 |
A process is described for recycling scrap aluminum matrix composites, e.g. gates and risers from a casting operation. A melt of the scrap composite is provided in a treatment vessel by heating at a temperature of 720-750 �C, such as t...
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WO/1991/009978A1 |
A process for converting dross residues having an aluminum nitride content of at least 5 wt % and a metallic aluminum content of no more than 10 wt % ( particularly plasma dross residues) to useful products. The process comprises treatin...
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WO/1991/006684A1 |
A cooling agent for aluminum dross of the invention is one used for separating and recovering metallic aluminum present in the dross formed upon melting aluminum or aluminum alloy, and characterized by comprising 40 to 60 wt % of particl...
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WO/1991/005883A1 |
This invention relates to a melting apparatus of cutting scrap for melting cutting scrap such as aluminum cutting scrap into the molten metal of a melting furnace of aluminum or the like. A hopper (10) whose opening (11) is kept above th...
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WO/1991/003327A1 |
The invention relates to the use of microorganisms to degrade and remove coatings, such as paint, epoxy resins, and comestible polymeric coatings, from the surface of aluminum beverage cans. The method includes contacting aluminum surfac...
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WO/1990/011379A1 |
The method provides for melting the scrap of aluminium and of its alloys by passing through the melt an alternating current of 2.103 to 12.103 A and of a voltage of 2 to 11 V and for simultaneously applying to the melt a magnetic field o...
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WO/1990/011380A1 |
Spent potlinings from aluminum reduction cells are fed to an aluminum reclamation furnace (10) as a partial replacement for or supplement to the molten salt flux used in the reclamation process. This rids the spent potlinings (14) of mat...
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WO/1990/010516A1 |
This invention provides improved casting processes, equipment, and products. The invention is especially advantageous for die casting, particularly vacuum die casting. The equipment includes a horizontal die casting machine, fixed clampi...
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WO/1990/008843A1 |
This invention relates to a process for the direct smelting of ores, metallic compounds and the like with the use of a heat plasma. This process can be readily conducted with a simple installation irrespective of the shape of the object ...
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WO/1989/006291A1 |
A continuous salt-based process is provided for melting and reclaiming aluminum from aluminum scrap containing impurities including heating a molten salt in a heat bay (1), mixing the heated salt with aluminum scrap or skim in a charge b...
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WO/1989/006289A1 |
An improved electrolytic cell and process are provided wherein metals and metal alloys are formed from oxides or nitrides in a molten salt (13), without the evolution of halogen or halogen compounds, with less corrosion and reduced power...
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WO/1989/001986A1 |
A method for refining admixtures of iron, titanium and zirconium out of aluminium alloys consists in melting an aluminium alloy together with metallic additions - chromium and/or manganese as well as with molybdenum and/or tungsten and/o...
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WO/1989/000208A1 |
Aluminum and aluminum alloy melts are purified by removing entrained gaseous impurities and solid particulate impurities, primarily aluminum oxides, by bubbling a non-corrosive intimate mixture of sulfur hexafluoride in an inert gas. Mag...
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WO/1988/009390A1 |
In a process and a device for implementing hot chemical processes, in particular for melting and/or reduction by melting of batches of metallurgical dust, ores and other meltable or melt-reducible materials, such as SiO2, MgO, TiO2, Ta2O...
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WO/1988/007165A1 |
A device for liquid pumping comprises a pump chamber (21) arranged to receive a subportion of the liquid to be pumped. The pump chamber is provided with means for cyclic variation of the pressure in the pump chamber between an overpressu...
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WO/1988/004331A1 |
A fire-proof ceramic component is used to separate impurities from metallic molten masses. The component has a porous section (16) through which the metallic molten mass flows and an inert gas duct (26)
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WO/1988/001532A1 |
The ceramic filter has a plurality of passageways for the liquid metal and is coated with a thin layer of an inorganic material which can be easily wetted by the molten metal.
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WO/1987/005636A1 |
A method for refining an aluminium-silicon alloy of eutectic composition from admixtures of iron and titanium consists in melting an aluminium-silicon alloy of eutectic composition together with chromium and manganese, cooling down the o...
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WO/1987/002596A1 |
A filter device comprises a filter chamber with a metal inlet andoutlet, defining between them a metal flow-duct, and at least one filtering insert matching therewith, which is arranged between the inlet and outlet.
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WO/1987/002124A1 |
Melting and holding furnace in which melting (1) and holding (2) chambers are separated from one another, and are connected via openings (6). The holding chamber is designed to be deeper in order to receive the melt which flows out of th...
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WO/1987/002069A1 |
Alumina oxide and other non-metallic compounds, such as lithium oxide, are removed from molten aluminium-lithium alloys by filtration through a porous ceramic body comprising silicon carbide. The porous ceramic body may be, for example, ...
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WO/1987/000826A1 |
A process for entrained-down flow chlorination of fine metalliferrous ores, said ores particularly containing alkali or alkaline earth metals greater than 0.3% by weight as the oxide. The process includes a chlorination step in the zone ...
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WO/1986/007097A1 |
A method of obtaining a desired metal, selected from the group consisting of titanium, aluminium, iron, manganese, hafnium, zirconium, tantalum, vanadium, uranium and tungsten, which comprises reacting a halide of the desired metal with ...
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WO/1986/006749A1 |
The method enables to carry out the degasing of a melting material, particularly non ferrous metals and aluminium, by subjecting the melting material to ultrasonic emissions. The melting material (3) flows into a transfer channel (2) fro...
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WO/1986/005008A1 |
Method for controlling the alumina feed to reduction cells for the production of aluminium. There is employed an adaptive control with parameter estimation (3) and controller calculation (2) based upon the separation theorem. As a proces...
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WO/1986/003785A1 |
The process for the treatment of aluminium melts consists in the introduction of a treatment means and serves to reduce in a reliable manner the alcaline metal impurities which interfere with the subsequent processing of the aluminium. F...
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WO/1986/002949A1 |
The refining agent is a granular alloy of a metal selected in the group of alkaline-earth metals and zinc with a metal element in small proportions susceptible of providing the alloy with a substantially lower melting point. The alloy ma...
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WO/1985/004675A1 |
Improvement to a treatment device, during the passage of a liquid alloy or metal stream based on aluminium or magnesium. The device comprises a ladle consisting of an outer metal envelope, an inner refractory lining, a shoot for the inle...
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WO/1984/003719A1 |
The method comprises the supply of the slag into a die up to a height which is a function of the die diameter, the height being less at the center than at the periphery of the die, and the application on the slag of a stamp that is lower...
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WO/1983/002958A1 |
Method and system including apparatus for submerging, entraining, melting and circulating aluminum scrap in a molten metal media, which scrap is comprised of pieces not capable of self-submergence. The apparatus of the system includes me...
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WO/1983/002605A1 |
Oxidation reactions and unsaturation producing reactions to be carried out in a solid-state electrocatalytic reactor for electrolytic energy conversion and chemicals production. Additional reactions are disclosed to be carried out in a s...
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WO/1983/000508A1 |
Molten metal, such as aluminum is passed through a media of submerged contacting surfaces (138). Operating life is enhanced by periodic cleaning of the contact media (138) by a high flow gas purge. Molten metal such as the light metals a...
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WO/1983/000165A1 |
A furnace, for melting metal swarf, comprises a molten metal bath to hold metal up to a given level (M), a first crucible (7) supplied with hot combustion gas from a burner (6) so as to serve as an immersion heater for the bath, a second...
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WO/1982/004267A1 |
An aluminum smelting furnace which incinerates waste containing useful metal such as aluminum using scrap tires as fuel recovering the aluminum from the waste. This furnace has a gas production oven having a fuel source of scrap tires, a...
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WO/1982/003339A1 |
A ceramic filter having a porous structure with open alveoli, based on aluminum oxide or other highly refractory substances, particularly with a high content of alumina, is used to filter, respectively to purify molten metals of which th...
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WO/1982/001895A1 |
An improved method for recovery of metal, particularly aluminum, from metal bearing dross (14) utilizes a trough (43) for collection of the dross (14). A wedge member (28) compresses the dross (14) in the trough (43). In this manner, met...
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WO/1981/000768A1 |
Special probes (1) for the ultrasonic inspection or treatment of molten aluminum. Such probes employ a special working tip (5) which is made essentially of titanium and is capped with a coating of aluminum by a vacuum vaporization proces...
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WO/1980/002586A1 |
A pump for gasodynamic mixing of molten metal (1) in the bath of melting furnace (2) comprising a pipe (3) provided with refractory lining and with a removable cap (5), the inner space (4) of the pipe (3) being interconnected, through an...
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WO/1980/001082A1 |
When optimising the conventional purification methods, by gas, of aluminum in a molten state, a negative effect of the temperature has been revealed surprisingly when using a mixture of noble gases and carbon dioxyde. In the same way, it...
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JP7465495B2 |
To provide a method for recovering a foil and an active material from a positive electrode for a non-aqueous electrolyte secondary battery which enables the foil to be prevented from embrittling and thereby enabling the foil and the acti...
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JP7453727B1 |
The problem to be solved by the present invention is to provide a method for extracting aluminum from an acid solution without causing precipitation of aluminum. The method for extracting aluminum of the present invention involves mixing...
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JP2024037205A |
The present invention provides a manufacturing method that can efficiently and easily obtain Al-based particles. [Solution] According to the present invention, by bringing an Al base foil into contact with a molten salt, a particle-dispe...
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JP2024512058A |
A method and system for producing iron from iron-bearing ore is disclosed. For example, a method for producing iron includes the steps of: supplying an iron-bearing ore to a melting subsystem comprising a first electrochemical cell and a...
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JP7448256B2 |
A product comprising recycled metal fragments and an alloying supplement, and methods and system for producing same. In some examples, the product comprises a container, shot blasted pieces of aluminum alloy wheels and an alloying supple...
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