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WO/1991/003327 |
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/1990/011380 |
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/1990/011379 |
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/1990/010516 |
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/1990/008843 |
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/1989/006291 |
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/1989/006289 |
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/1989/001986 |
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/1989/000208 |
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/1988/009390 |
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/1988/007165 |
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/1988/004331 |
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/1988/001532 |
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/1987/005636 |
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/1987/002596 |
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/1987/002124 |
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/1987/002069 |
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/1987/000826 |
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/1986/007097 |
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/1986/006749 |
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/1986/005008 |
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/1986/003785 |
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/1986/002949 |
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/1985/004675 |
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/1984/003719 |
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/1983/002958 |
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/1983/002605 |
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/1983/000508 |
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/1983/000165 |
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/1982/004267 |
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/1982/003339 |
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/1982/001895 |
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/1981/000768 |
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/1980/002586 |
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/1980/001082 |
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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JP2013001975 |
To provide a melting raw material which can be efficiently melted as the melting raw material for an electron beam melting furnace using scrap, and a method for melting metal which can be efficiently melted using scrap.The melting raw ma...
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JP2013001976 |
To provide a melting raw material that can be efficiently melted as a melting raw material for an electron-beam melting furnace using scraps, and to provide a method of melting a metal by which the metal can be efficiently melted using t...
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JP2012233241 |
To provide a furnace body structure of an aluminum melting furnace, which inhibits the local damage of furnace body lining by a molten aluminum and is excellent in efficiency of aluminum melting treatment and certainty of molten aluminum...
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JP2012223810 |
To provide a molten metal filtration device capable of reducing the remaining amount of molten metal, and further capable of suppressing oxidization of the molten metal during a filtration process.The molten metal filtration device 1 is ...
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JP2012210598 |
To provide a method for producing a recycling raw material of valuable metals such as high quality aluminum, gold, silver, copper by separating aluminum base substrate parts from print wiring boards having aluminum base substrates.In the...
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JP2012211386 |
To provide a method for extracting aluminum with a solvent by which aluminum can be separated and recovered from an aluminum-containing solution at high efficiency.Aluminum is extracted and separated using an organic solvent including 2-...
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JP2012211387 |
To provide a method for extracting and removing aluminum from an aluminum-containing solution in high efficiency.In the method for stripping aluminum, an acidic solution is added to an aluminum-containing organic solvent to regulate its ...
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JP2012201917 |
To provide a refining method of Al scrap by which an Al refined article (an integration body of the compressed primary crystal) from which Si is removed at a predetermined high Si removal rate, can be highly efficiently produced from Al ...
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JP2012201931 |
To provide a refining method of Al scrap by which an Al refined article can be highly efficiently produced from Al scrap, the Al refined article simultaneously satisfying the predetermined high Si removal rate and high Al recovery rate a...
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JP2012197510 |
To provide an aluminum-magnesium alloy capable of controlling a molten metal oxidation without adding Be.The aluminum-magnesium alloy is manufactured from raw materials containing aluminium scraps, wherein Mg is contained by 0.8-15 mass%...
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JP2012180596 |
To provide a method for directly producing a metal from a metal oxide or other compound.A method for removing a substance (X) from a solid metal or semi-metal compound (M1X) by electrolysis in a melt of M2Y, includes conducting the elect...
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JP2012121798 |
To provide a zero-waste process for extraction of alumina from bauxite ores and red mud residues and of titanium dioxide from ilmenite.Iron oxide is reduced to metallic iron above the melting point of a C-saturated cast iron alloy which ...
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JP2012112027 |
To provide a method for recovering lithium, cobalt and the other metal from a lithium ion battery.In the method for separating and recovering each metal, for the purpose of separating each metal from ores containing lithium and lithium s...
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JP2012102383 |
To provide a method for separately recovering an aluminum base substrate part from a printed wiring board including an aluminum base substrate.In a method for recovering an aluminum base substrate, a printed wiring board 1 including an e...
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JP2012097324 |
To provide a recycling method of ceramic-particle-reinforced aluminum composite for recycling a ceramic-particle-reinforced aluminum alloy made of eutectic aluminum alloy or hypereutectic aluminum alloy.The composition of aluminum alloy ...
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