Abstract: A method for producing a high purity high carbon molten chrome product from chrome and carbon bearing material, said method comprising the steps of: (a) continuously introducing chrome compacts directly into an electric melter; (b) heating and melting the chrome compacts in the electric melter at a temperature of between about 1300° C. to about 1700° C. to form high carbon molten chrome; (c) preventing oxidation of the high carbon molten chrome via minimization of the ingress of oxygen containing gas in said heating step; (d) carburizing the high carbon molten chrome to form high carbon molten metallized chrome; (e) purifying the high carbon molten metallized chrome by reducing silicon oxides to silicon and desulfurizing the high carbon molten metallized chrome to produce the high purity high carbon molten chrome product; and (f) discharging the high purity high carbon molten chrome product from the electric melter.

Abstract: The present invention relates to metals and matrix composites and methods of manufacture. A method of refining a metal oxide is shown. A method of forming a carbon nanotube metal matrix composite is shown using a metal oxide and an amount of carbon nanotubes. Processing is carried out using wave energy radiation such as microwave radiation. In some methods, processing is carried out while substantially isolated from external oxygen sources such as ambient air.

Abstract: In a method for processing and/or reducing solid or molten materials and/or pyrophoric materials, in particular shredder light fractions, the solid or molten materials are charged onto an at least partially inductively heated graphite body, wherein a reducing agent different from the carbon of the graphite is introduced, and the flowing-off reduced and/or degassed melt is collected, wherein the reducing agent is introduced together with the solid or molten charging materials, and, as the reducing agent, natural gas, hydrocarbons, hydrogen, carbon monoxide and/or ammonia are introduced along with water vapor, oxygen, carbon dioxide and/or halogens or hydrogen halides.

Abstract: The present invention includes a method of making aluminum composite compositions and to an aluminum composite composition for creating a heat-treatable material that is harder, tougher, and lighter per volume than standard aluminum.

Abstract: A method for manufacturing molten metal by using a stationary non-tilting electric furnace comprising: forming a raw material layer by charging a particular amount of a carbonaceous material and/or metal oxide agglomerates with carbonaceous material containing a nonvolatile metal element that forms molten metal into the furnace from the raw material charging chute, and having a sloping surface extending downward from the one end of the furnace toward the other end of the; subsequently forming an agglomerate layer on the sloping surface of the raw material layer by charging a particular amount of the metal oxide agglomerates with carbonaceous material into the furnace from the raw material charging chute; and subsequently forming a molten metal layer and a molten slag layer in the furnace by heating the lower end of the agglomerate layer with the heater.

Abstract: A method for producing a foamed slag (1) on a metal bath (2) in a metallurgical furnace (3), in which a mixture (4) containing at least one metal oxide and carbon is introduced into the furnace (3), the metal oxide is reduced by the carbon below the slag (1) that is located there, and the gases produced during the reduction process form bubbles such that the slag is foamed. In order to optimize the formation of foamed slag, the mixture (4) is delivered into the furnace (3) in such a way that a desired height (h) or a desired section of the height (h) of the layer of foamed slag (1) is generated or maintained.

Abstract: A system and process for reclaiming nickel and cadmium from a feed source such as Ni—Cd batteries. The feed source is shredded to produce feed particles, screened to size the particles, magnetically separated to remove non-metallic materials, and induction heated to generate nickel and cadmium products.

Abstract: A method for producing a ferro-alloy in an electric arc furnace is disclosed. The method comprises the step of charging the furnace with an un-agglomerated carbon-containing polymer such that the polymer functions as a slag foaming agent.

Abstract: A method of producing foamed slag in an arc furnace by measured blowing of a carbon carrier by means of an oxygen carrier into the boundary layer between the slag and molten metal layers or into zones of the slag or molten metal layer adjacent to the boundary layer in an amount such that arc are enveloped at least by a foamed slag layer.

Abstract: A method for manufacturing molten metal by using a stationary non-tilting electric furnace including: a raw material charging chute that is provided in one end of the furnace in the width direction, and is connected to the interior of the furnace from the upper part of the furnace, an electrical heater that heats a lower position of the furnace in the height direction is located in the other end of the furnace in the width direction, and a secondary combustion burner that is provided at the furnace top and between the two ends of the furnace.

Abstract: A method of producing metals and alloys, the method comprising heating raw materials comprising at least one metal oxide, and agglomerates comprising a carbonaceous reducing agent and a cured binder to effect reduction of the metal oxide to the metal, wherein each agglomerate has at least one molded open channel, and an apparent density not greater than 99% of the apparent density of an identical agglomerate except without the channel.

Abstract: It is an object of the present invention to provide a method of compacting a powdery mixture of electric furnace dust and a carbonaceous material into a briquette and subjecting the briquette to a thermal reduction treatment in a rotary hearth furnace, the method being capable of ensuring a strength of the briquette resistant to a handling in a course after the compacting through until it is set in the rotary hearth furnace, and reducing energy necessary for drying of the briquette while preventing bursting thereof in the rotary hearth furnace. The method comprises the steps of: adding a carbonaceous material B and a binder C, and optionally water, to electric furnace dust A generated in a steelmaking electric furnace 1, to form a powdery mixture D having a water content of 0.

Abstract: An object of the present invention is to provide a method for reducing a chromium-containing material at a high chromium reduction degree. In the method of the present invention, a mixture of a feedstock containing chromium oxide and a carbonaceous reductant is heated and reduced by radiation heating in a moving hearth furnace. The average rate of raising the temperature of the mixture in the reduction is preferably 13.96° C./s or higher in the period from the initiation of the radiation heating of the mixture until the mixture reaches 1,114° C.

Abstract: One aspect of the invention is a method for incorporating carbon homogeneously into aluminum materials. The first step is to apply a positive charge to molten aluminum. Next, a negative charge is applied to an organic compound. Under an inert atmosphere, the negatively charged organic compound is mixed with the positively charged molten aluminum while running electric current therethrough. An aluminum material with carbon homogeneously dispersed throughout is recovered.

Abstract: Apparatus for producing molybdenum carbide from a precursor material includes a supply of process gas and a furnace defining at least a first heating zone and a second heating zone. The furnace heats the first heating zone to a first temperature and the second heating zone to a second temperature. The second temperature is at least about 100° C. hotter than the first temperature. A transfer system operatively associated with the furnace and the supply of process gas moves the precursor material through the first and second heating zones and in the presence of the process gas to form molybdenum carbide (MoC and Mo2C).

Abstract: The present invention relates to new compositions of matter, particularly metals and alloys, and methods of making such compositions. The new compositions of matter exhibit long-range ordering and unique electronic character.

Abstract: The present invention relates to new compositions of matter, particularly metals and alloys, and methods of making such compositions. The new compositions of matter exhibit long-range ordering and unique electronic character.

Abstract: Bulk, superhard, B-C-N nanocomposite compact and method for preparing thereof. The bulk, superhard, nanocomposite compact is a well-sintered compact and includes nanocrystalline grains of at least one high-pressure phase of B-C-N surrounded by amorphous diamond-like carbon grain boundaries. The bulk compact has a Vicker's hardness of about 41-68 GPa. It is prepared by ball milling a mixture of graphite and hexagonal boron nitride, encapsulating the ball-milled mixture, and sintering the encapsulated ball-milled mixture at a pressure of about 5-25 GPa and at a temperature of about 1000-2500 K.

Abstract: A process is provided for the production of titania rich slag from ilmenite. The ilmenite is fed together with carbonaceous reductant, and in the absence of fluxes, to the molten bath of a D.C. arc furnace. The molten bath of the furnace forms the anode and one or more electrodes in the roof of the furnace forms the cathode. A frozen lining is established and maintained between the refractory lining of the furnace and the molten bath and the process includes means to control the thickness of the frozen lining as well as the whole smelting process.

Abstract: There is provided conductive paste wherein conductive fillers composed of copper micro-fibers are mixed into thermoplastic resin or thermosetting resin.

Abstract: A method of extracting amounts of precious metals from target materials. The target material in particulate form is mixed with particulate copper and coarse-ground wheat flour and roasted at least once in an induction furnace. The roasted mixture is transformed into particulate form and may be re-roasted with additional flour or roasted in a hydrogen furnace, after which it is again transformed into particulate form, mixed with borax and smelted. The result of the smelt contains amounts of precious metals economically recoverable through conventional refining processes, such as electrical-refining.

Abstract: A method of making a pneumatically injectable additive for an Electric Arc Furnace, the method comprising screening a waste material comprising oily millscale in water to form uniform particles, and then mixing those particles with carbon and lime; and storing the mixture in air permeable bags in a dry atmosphere until the mixture has chemically cured to form the injectable particles.