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8157884 |
Method for the continuous or discontinuous extraction of a metal or several metals from a slag that contains the metal or a compound of the metal
The invention concerns a method for the continuous or discontinuous extraction of a metal or several metals from a slag that contains the metal or a compound of the metal, in which the liquefied...
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8043403 |
Device for submerging material into liquid metal by an electromagnetic stirrer
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...
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7955410 |
Method of recovering scrap metal
A method of removing iron from waste slag from a steel producing furnace that reduces the size of the waste slag to slag particles in a reduction zone. The slag particles are advanced along a...
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7927398 |
Multistage electromagnetic purification method for molten metal
A multistage electromagnetic purification method of molten metal, which employs a multistage separator composed of two or more multichannel straight-pass separators bonded together with inorganic...
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7888284 |
Magnetically operated absorbent and method for the production thereof
An absorbent includes a ferromagnetic nucleus with a one-layer or two-layer shell or devoid thereof and the nucleus is embodied in the form of a plate with a planar size that ranges from 500-5000...
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7850759 |
Metal extraction from various chalcogenide minerals through interaction with separate electric fields and magnetic fields supplied by electromagnetic energy
Multimode and single mode microwave energy is used to improve the extraction of metals from chalcogenide minerals. In one process microwave energy is used to comminute the mineral after which the...
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7753986 |
Titanium processing with electric induction energy
The present invention relates to a process wherein an intermediate form of titanium, namely titanium sponge, is produced by reduction of a feedstock of titanium in a reactant liquid bath, where the...
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7736586 |
Melting furnace with agitator
There is provided a melting furnace with an agitator. The melting furnace with an agitator includes a melting furnace that contains melt, and an agitator that agitates the melt by an...
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7713360 |
Rare earth permanent magnet
It is an object of the present invention to provide a permanent magnet which is observed as a uniform structure without microstructures, but shows a pinning type initial magnetization curve. There...
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7553793 |
Method and system for recovering catalyst for fuel cell
A method for recovering a catalyst for a fuel cell includes a collection step in which a catalyst is collected by attracting, using a magnetic force, a magnetic material contained in at least one...
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6852178 |
Method for propagating vibratory motion into a conductive fluid and using the method to solidify a melted metal
A static magnetic field and a wave are applied to an electrically conductive fluid so as to satisfy the mathematical expression 2πf<(σ/ρ)B2, where f is the frequency (Hz) of the applied wave, σ is ...
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6508854 |
Method of preparing magnetostrictive material in microgravity environment
A method of preparing a magnetostrictive material, including the steps of: (a) forming a melt of metals having a composition corresponding to the magnetostrictive material;(b) subjecting the melt...
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6375703 |
Method of synthesizing nickel fibers and the nickel fibers so prepared
The present invention discloses s novel synthesis method of nickel fibers. The method of the present invention involves reducing nickel ions in an aqueous solution with a reducing agent in the...
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6355085 |
Method and device for separating particles from an electrically conductive liquid flow using electromagnetic forces
A method for separating inclusions from an electrically conductive liquid flow using electromagnetic forces, wherein the inclusions and the liquid have differing electrical conductivities. The flow...
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5948138 |
Method and apparatus for stirring of molten metal using electromagnetic field
Method and apparatus for controlling stirring of molten metal(24) during processing in a metallurgical vessel(20), free of mechanical-contact with the molten metal(24). Efficiencies of metal...
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5897683 |
Method and apparatus for holding molten metal
An apparatus for holding molten metal in a container having an opening at the bottom thereof comprising an electromagnet for generating a horizontal magnetic field in a lower part of the molten...
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5757843 |
Induction melting system including gas exhaust
An annular exhaust gas passage 2 and an airtight retention member 3 for keeping the inside of a crucible induction furnace 1 airtight are installed on the top of the furnace 1, and an exhaust...
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5458669 |
Process for purification of gallium material
A process for the purification of a raw gallium material to produce a purified gallium material having a higher purity than that of the raw gallium material having steps of:maintaining the raw...
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5393320 |
Leaching process for nickel cobalt and manganese ores
A process for the extraction of nickel, cobalt and manganese from slurries of their ores such as laterite, saprolite or manganese nodules in an aqueous acid solution while irradiating the solution...
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5385338 |
Apparatus for melting aluminum alloy scraps
Disclosed is a process for melting aluminum alloy scraps which comprises the steps of: giving a rotation force to molten metal reserved in a cylindrical chamber so that the molten metal is made...
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5223019 |
Method and apparatus for sintering operation
A sintering method, which includes igniting a layer of raw materials and providing a downwardly directed air suction is improved by applying a magnetic field to the materials for which a...
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5219522 |
Method of producing a substance utilizing agravic effect and an apparatus for carrying out same
A method of producing a substance utilizing an agravic effect, and an apparatus for carrying out the same. A container (3, 55, 65) containing materials for producing a substance is revolved about a...
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5192359 |
Recovery of aluminum from furnace dross
A method and apparatus for recovering metallic aluminum from furnace dross. The method includes reducing the particle size of the dross and passing the resulting dross particles over the surface of...
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5106411 |
Method of and apparatus for removing non-metallic inclusions in molten metal
A method of removing non-metallic inclusions from a molten metal by allowing the molten metal to pass through at least first and second vessels which are intermediate between a ladle and a mold....
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5085885 |
Plasma-induced, in-situ generation, transport and use or collection of reactive precursors
A beam or flow of a reactive or metastable precursor such as a hydride or organometallic compound is created, and this beam or flow is used to treat (e.g. dope or coat or otherwise modify) a...
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4990059 |
Method for filtering liquid-phase metals
A method and apparatus is provided for filtering liquid-phase metal. The method comprises the steps of: (1) establishing a bath of liquid-phase metal; (2) providing a conduit connecting the bath to...
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4975182 |
Waterflow differential electrical charging process for ores
The invention consists of forming an aqueous slurry of water and particles of ore carrying both metals and/or minerals which are passed at relatively high speed along an electrically isolated path...
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4909836 |
Apparatus and a method for improved filtration of inclusions from molten metal
A system which provides an improved design capable of removing liquid phase inclusions by combining a filter and an electromagnetic separation device through the addition of baffles to a chamber...
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4906290 |
Microwave irradiation of composites
The present invention provides a leaching or smelting precursor method of drying and heating particulate ores or concentrates which have been previously intimately admixed with either an already...
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4867786 |
Electromagnetic stirring method
In an electromagnetic stirring method, one or two electromagnetic inductors are provided to define an internal space therein or therebetween, a plurality of pairs of opposed magentic poles are...
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4837385 |
Process for separating the inclusions contained in a bath of molten metal, by filtration
The invention relates to a process for separating the inclusions contained in a bath of molten metal, by filtration. This process involves applying an electromagnetic force field to the filtering...
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4828610 |
Method and apparatus for modification of the rate of heat or mass transfer in a stream of liquid metal
The rate of heat or mass transfer in a stream of liquid metal is enhanced by producing a stream of liquid metal in a conduit, creating turbulent flow at least in one plane of the stream and at...
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4808219 |
Method for treating metal melts and apparatus for carrying out the method
A treatment of metal melts comprising the addition of chemically active substances or alloying elements with subsequent mixing taking place as a result of electromagnetic force exerted on the metal...
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4803061 |
Partial oxidation process with magnetic separation of the ground slag
Synthesis gas is produced by the partial oxidation of a feedstock comprising petroleum coke and/or heavy liquid hydrocarbon fuel containing sulfur and having an ash that contains nickel, vanadium...
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4786320 |
Method and apparatus for removal of gaseous, liquid and particulate contaminants from molten metals
Method and apparatus for removal of nonelectrically-conducting gaseous, liquid, and particulate contaminants from molten metal compositions by applying a force thereto. The force (commonly referred...
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4769066 |
Method for removing inclusions from a bath of molten metal and a device for carrying out this method
The invention relates to a method for removing inclusions of foreign matter (for example slag inclusions) from a bath of molten metal. The method is characterized in that molten metal located in a...
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4565571 |
Method for producing low density porous metals or hollow metallic spheres
Disclosed are methods, utilizing electromagnetic levitation, for producing low density, porous metal structures and hollow metallic spheres, using particulate material as a starting point. As an...
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4507227 |
Comminuting irradiated ferritic steel
Disclosed is a method of comminuting irradiated ferritic steel by placing the steel in a solution of a compound selected from the group consisting of sulfamic acid, bisulfate, and mixtures thereof....
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4490174 |
Process for the preparation of a ferronickel concentrate
A ferronickel concentrate is produced by reducing a lateritic ore comprising less than 1.5% w of nickel at a temperature of from 920° to 1120° C. with a CO/CO2 mixture in the presence of a S...
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4487629 |
Zirconium isotope separation
A method of separating zirconium isotopes by converting the zirconium to its iodide salt prior to separation by usual isotope methods. After separation the desired isotopes are converted from the...
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4401467 |
Continuous titanium process
A cyclic, ideally continuous, process for producing titanium which employs the reduction of titanium fluorides by potassium or sodium, or mixtures thereof, to result in titanium particles in molten...
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4375982 |
Method for purifying a dust-containing hot gas, more particularly coal gas produced from coal fed into a steel or iron bath reactor
Coal gas produced in an iron bath reactor during the gasification of coal is first cooled down in a first cooling step to a temperature of, preferably, 300° C., and is subsequently purified at ...
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4338169 |
Process for promoting physical and/or chemical reactions performed in a fluid medium
The process comprises subjecting a magnetic material dispersed in the fluid to the action of a variable magnetic field. It is thus possible to provide efficient stirring of this fluid and to...
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4312666 |
Steel making process
Residual materials which become available in metallurgy and contain oxides and volatilizable non-ferrous metals or compounds thereof are treated in a rotary kiln with solid carbonaceous reducing...
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4311521 |
Membrane separation of catalyst metals from trimellitic acid production and separation of cobalt from manganese
Precipitation-free recovery of catalyst metal content of residue from manufacture of trimellitic acid by oxidation with source of molecular oxygen of liquid pseudocumene in presence of cobalt and...
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4306901 |
Process for forming steel product from iron while avoiding the liquid state
Steel is made from iron ore by comminuting the ore and recovering a particle fraction which has a size less than 50 microns. The iron rich particles then are reduced to form iron or magnetite and...
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4304594 |
Hardening of metals
Hardened metals are produced by subjecting molten metals to the action of an electrostatic field of at least 1000 volts during the cooling and solidification of the metal.
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4295878 |
Processes of iron segregation
Beneficiation of ilmenite using a process comprising first reducing by a known process the iron component thereof to metallic iron to form particles containing a mixture of iron and titanium oxide...
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4283223 |
Process for treating smoke from steel plants
A process for treating smoke from steel plants coming from blast furnaces, electric furnaces, converters and cupola furnaces.The process of the invention consists first of all in separating, when...
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4255185 |
Processes and apparatus for reducing and subsequently pelletizing moist fine-grained ore
Processes and apparatus for reducing and pelletizing moist fine-grained ore having zinc--and/or lead-containing impurities and wherein preheated ore is discharged to a rotary furnace in which the...
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