| Entries |
| Document | Title | Date |
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| 20080229881 | Direct Reduction Process - A direct reduction process for a solid metalliferous material having a particle size distribution that at least in part contains micron sized particles includes supplying the metalliferous material, a solid carbonaceous material, an oxygen-containing gas, and a fluidizing gas into a fluidized bed in a vessel and maintaining the fluidized bed in the vessel, at least partially reducing metalliferous material in the vessel, and discharging a product stream that comprises the partially reduced metalliferous material from the vessel. The process includes (a) establishing and maintaining a carbon-rich zone within the fluidized bed; (b) passing metalliferous material, including metallized material (which term includes partially metallized material), through the carbon-rich zone; and (c) injecting the oxygen-containing gas into the carbon-rich zone and oxidizing metallized material, solid carbonaceous material and other oxidizable solids and gases and causing controlled agglomeration of particles. | 09-25-2008 |
| 20080236336 | FLUX INJECTION WITH PUMP FOR PUMPING MOLTEN METAL - A method of dispersing flux in molten metal includes providing a source of flux powder and a source of gas. An impeller is disposed on an end of a shaft inside the impeller chamber of a base made of heat resistant material. The base is submerged in the molten metal and includes a molten metal inlet opening into the impeller chamber and a molten metal discharge passageway extending from the impeller chamber to an exterior of the base. Molten metal is drawn through the inlet opening into the impeller chamber by rotation of the impeller in the impeller chamber. The molten metal is moved out of the impeller chamber through the discharge passageway by the rotation of the impeller. A discharge stream of molten metal travels through the discharge passageway into the molten metal exterior to the base. The gas flows from the gas source into a refractory flux conduit. The flux conduit extends from outside the molten metal into fluid communication with the discharge passageway. The flux solids move from the flux source to the flux conduit. The flux solids flow along the interior of the flux conduit by virtue of the flowing gas. The gas and flux solids are injected into the discharge stream in the discharge passageway. The flux solids are dispersed in the molten metal of the chamber. | 10-02-2008 |
| 20080236337 | Method for recovering rhodium - The present invention provides a method for recovering rhodium sponge in high yield from ammonium hexachloro rhodate solution. The method comprises adding formic acid to ammonium hexachloro rhodate solution to reduce the rhodate, recovering reduced rhodium as rhodium black, and calcining the rhodium black under hydrogen atmosphere without water-washing to obtain rhodium sponge. | 10-02-2008 |
| 20080245187 | Man made gold and platinum - A man made method, utilizing particles bombardment technique, is used to produce Gold and Platinum. The particles bombardment technique uses particle accelerator to accelerate Lithium particles to high speed. These high speed Lithium particles contain high energy. These high energy Lithium particles are used to bombard Osmium element. Then elements Lithium and Osmium undergo cold fusion process that they are combined to produce element Gold. | 10-09-2008 |
| 20080264207 | Device and Process for the Crystallizing of Non-Ferrous Metals - In the case of a device for the melting and/or crystallizing of non-ferrous metals, especially of silicon, provision is made, for improving the quality of the crystallized and block-shaped non-ferrous metal, for there to be arranged around a container for receiving the non-ferrous metal at least one controllable cooling element for the active removal of heat from the non-ferrous metal. | 10-30-2008 |
| 20090007728 | Method For Melting an Alloy Containing a Metal of a High Vapor Pressure - In a method for producing an alloy containing a metal of a low melting point, a low boiling point and a high vapor pressure such as Mg, Ca, Li, Zn, Mn, Sr or the like, a helium containing gas is used as an atmosphere gas for the melting. As a result, the alloy containing the above metal can be produced as an alloy having a targeted chemical composition precisely and safely at a low cost without causing the risk of firing, contamination or the like by active metal fine powder being vaporized. Furthermore, by using the helium containing gas as the atmosphere gas, the quench-solidification of the molten metal can be conducted due to a high thermal conductivity inherent to the helium gas, so that a special alloy can be produced even by the usual melting apparatus. | 01-08-2009 |
| 20090013826 | Alkali Metal Dispenser and Uses for Same - The present invention provides an improved alkali metal dispenser which is pure and free of contaminant gases, and provides for controlled releasing, delivery and recycling of the alkali metal in multiple stages in a controlled manner. The present invention also provides an alkali metal pump or getter. | 01-15-2009 |
| 20090095132 | PROCESSING OF METAL CHLORIDE SOLUTIONS AND METHOD AND APPARATUS FOR PRODUCING DIRECT REDUCED IRON - A process and apparatus for regeneration of acid and metal from spent acid liquors includes the steps of, optionally, concentrating ( | 04-16-2009 |
| 20090095133 | METHODS, COMPOSITIONS, AND DEVICES FOR SAFE STORAGE, TRANSPORT, DISPOSAL AND RECYCLING OF MERCURY CONTAINING LIGHT BULBS - The present invention provides methods and devices for the safe and cost efficient storage, transport and disposal of mercury. A puncture resistant container is provided having an interior element comprising a mercury sequestering substance to permit the safe storage, transport or disposal of mercury containing light bulbs and to capture mercury vapor by chemical sequestration in the event that the bulb breaks during storage, transport or disposal. The mercury sequestering element may be removable to facilitate further processing and reclamation of sequestered mercury using various methods known in the art. | 04-16-2009 |
| 20090120239 | INDUSTRIAL PROCESS - A process of producing a metal from the corresponding metal halide by reaction of the metal halide with a reducing agent to form the metal and a halide of the reducing agent, the reaction taking place at elevated temperature and at atmospheric pressure in a reactor comprising a fluidised bed of seed particles of the metal, which process comprises: injecting into the reactor an inert gas at a rate and in an amount effective to form a fluidised bed of the seed particles and to ensure that unreacted reductant and the halide of the reducing agent do not condense in the reactor under the prevailing conditions of temperature and pressure; maintaining the maximum temperature in the reactor below the melting point of the metal; and delivering the metal halide and reducing agent into the fluidised bed in a manner that favours formation of the metal on the seed particles over formation of the metal by homogeneous gas phase reaction between the metal halide and reducing agent. | 05-14-2009 |
| 20090126530 | METHOD AND EQUIPMENT FOR TREATING PROCESS GAS - The invention relates to a method for treating solids-containing process gas in a suspension smelting furnace, comprising directing the process gas from the reaction shaft of the suspension smelting furnace to a lower furnace and, further, through a raised shaft to a waste heat boiler to cool the process gas, whereby, through one or more gas nozzles placed on the lower furnace top wall, oxidizing gas is fed into the process gas flowing in the lower furnace, whereby the amount of oxidizing gas is adjusted during the process so that the amount of sulphides contained in the solid matter of the process gas that is directed to the waste heat boiler is minimized. The invention also relates to the equipment. | 05-21-2009 |
| 20090133535 | PROCESS FOR PRODUCTION OF ELEMENTAL IRON - The invention is directed to a process to prepare elemental iron by contacting an iron ore feed with a reducing gas to obtain iron and an off-gas. The reducing gas is prepared by performing the following steps | 05-28-2009 |
| 20090165596 | REMOVAL OF NIOBIUM SECOND PHASE PARTICLE DEPOSITS FROM PICKLED ZIRCONIUM-NIOBIUM ALLOYS - The present invention relates generally to a process and chemical composition for the removal of adherent niobium-rich second-phase particles (SPPs) from pickled niobium-containing zirconium alloys which includes applying to the alloy surface a chemical composition comprising alkaline hydrogen peroxide; an alkali metal meta-silicate; and a magnesium salt. | 07-02-2009 |
| 20090188348 | Continuous process - A process for producing a metal from the corresponding metal halide by reaction of the metal halide at elevated temperature in a reactor comprising a fluidised bed, the fluidised bed comprising seed particles of an inert material that has a melting point higher than that of the metal. | 07-30-2009 |
| 20090241730 | CHEMICAL PROCESS FOR GENERATING ENERGY - A process for generating energy comprises process comprises exothermically reacting Mg with SiO | 10-01-2009 |
| 20090249921 | PROCESS FOR PRODUCTION OF NICKEL AND COBALT USING METAL HYDROXIDE, METAL OXIDE AND/OR METAL CARBONATE - A method for producing metal oxide from a metal salt selected from nickel hydroxide, cobalt hydroxide, mixed nickel-cobalt hydroxide, nickel carbonate, cobalt carbonate, mixed nickel-cobalt carbonate and combinations thereof includes providing a mixture of the metal salt, mixing the metal salt with a binder selected from the group consisting of inorganic binder, organic binder and combinations thereof, forming the mixture into agglomerates, and calcining the agglomerates to produce metal oxide. A method for making metallic nickel or cobalt includes providing a metal salt selected from the group consisting of nickel hydroxide, cobalt hydroxide, mixed nickel-cobalt hydroxide, nickel carbonate, cobalt carbonate and combinations thereof, mixing the metal salt with a binder selected from the group consisting of inorganic binder, organic binder and combinations thereof to form a mixture, optionally adding water, forming the mixture into agglomerates, drying the agglomerates, adding an effective reducing amount of coke and/or coal and directly reducing the dried agglomerates with an effective amount of heat to produce metallic nickel and/or cobalt. Coke particles may be added to the mixture prior to agglomeration. An agglomerate includes a metal salt selected from the group consisting of nickel hydroxide, cobalt hydroxide, mixed nickel-cobalt hydroxide, nickel carbonate, cobalt carbonate, mixed nickel-cobalt carbonate and combinations thereof; and a binder selected from the group consisting of inorganic binder, organic binder and combinations thereof. | 10-08-2009 |
| 20090255374 | Methods of Using Tires and Scrap Rubber in the Manufacture and Melting of Steel and Other Metals - A method of using scrap rubber and other scrap materials, such as tires or parts or pieces of tires, to manufacture or melt steel and other metals in a furnace is disclosed. The scrap rubber may be used as a carbon source for the manufacture of steel and other metals, and may be used as an energy source to melt the scrap metal used to make the steel and other metals. The net benefit of this method includes reducing the amount of scrap rubber, such as tires, to be sent to a waste disposal facility or landfill, thereby improving the environment. In addition, by increasing the use of scrap rubber as a source of energy for steel or metal production, less energy is required from other sources. | 10-15-2009 |
| 20090277303 | SEPARATION AND RECOVERY OF PRECIOUS METALS USING POLYMER MATERIALS - A method of separation and/or recovery of a precious metal from a solution containing said precious metal in ionic form, optionally in the presence of impurities, including the step of contacting a solution containing said precious metal in ionic form with a conducting polymer. The method is generally applicable to precious metals including platinum (Pt), palladium (Pd) and more particularly gold (Au). The ionic species may be anionic (for example [AuCl | 11-12-2009 |
| 20100031776 | SYSTEM AND METHOD OF PRODUCING METALLIC IRON - A hearth furnace | 02-11-2010 |
| 20100050812 | Process for Production of Elemental Iron - A process to prepare elemental iron by contacting an iron ore feed with a reducing gas at a pressure of between 1 and 10 bar to obtain iron and an off-gas includes preparing the reducing gas by performing the following steps: (a) partially oxidizing a mixture comprising a solid or liquid carbonaceous fuel and oxygen at a pressure of between 10 and 80 bar, thereby obtaining a gas comprising H | 03-04-2010 |
| 20100095807 | SEPARATION REAGENT OF PLATINUM GROUP METAL, METHOD FOR SEPARATING AND RECOVERING PLATINUM GROUP METAL, AND AMIDE-CONTAINING TERTIARY AMINE COMPOUND - The present invention provides a novel separation reagent capable of obtaining a high extraction % of rhodium in a chlorine-based acid solution, which has never existed heretofore, and a method for separating and recovering a platinum group metal using the same. An organic phase composed of an amide-containing tertiary amine separation reagent represented by the structural formula shown below is brought into contact with an acid solution containing a platinum group metal, thereby extracting rhodium, platinum and palladium with the organic phase. Among the metals extracted with the organic phase, rhodium is selectively back-extracted with a highly-concentrated hydrochloric acid solution, while palladium and platinum are back-extracted with a highly-concentrated nitric acid solution: | 04-22-2010 |
| 20100107817 | METHOD FOR RECOVERING VALUABLE METALS FROM WASTES - A method for recovering valuable metals, which include at least one M element selected from the group consisting of Mo, Ni and Co, and V, in the form of iron-based alloys from a waste containing the valuable metals, comprising the steps of (a) roasting the waste to form a roasted ore containing oxides of the valuable metals; (b-1) heating the roasted ore together with an iron source and a flux, to form an iron-based alloy melt; (b-2) adding a reducing agent having higher affinity for oxygen than V at a reduction temperature to the melt, thereby reducing the oxides of the valuable metals to form an Fe-M-V alloy melt; (c) oxidizing substantially only V in the Fe-M-V alloy melt to form a V-oxide-containing slag and an Fe-M alloy melt; and (d) separating the V-oxide-containing slag from the Fe-M alloy melt. | 05-06-2010 |
| 20100116090 | METHOD FOR RECOVERING METAL - It is an object of the present invention to make it possible to recover and recycle the rare metals such as gallium and indium safely from the III-V group compound semiconductors. | 05-13-2010 |
| 20100147111 | PROCESS OF TREATING METAL BEARING CRUSHED ROCK TO CONTROL RESPIRABLE DUST DURING TRANSPORT IN THE PROCESS INCLUDING A METAL CONCENTRATING CIRCUIT - A method of alleviating dust in the early stages of metal ore processing, such as copper ore, through mining the ore through concentration involves spraying and wetting crushed ore rock and ground particles and dust at least several of a series of locations with a dust suppressant containing major amounts of water plus minor amounts of an additive combination of glycerol and a selected non-ionic surfactant, and passing the wetted particles and dust to a metal concentrator where the additive combination does not interfere with metal concentration yield. | 06-17-2010 |
| 20100192729 | PROCESS AND APPARATUS FOR PRODUCING SPONGE IRON - A process and an apparatus for producing sponge iron from iron-oxide-containing material in lump form by direct reduction in a reduction shaft using a reducing gas, wherein the entire reducing gas is introduced by means of a number of reducing gas distribution ducts in a star-like arrangement or arranged parallel to one another, preferably into the lower quarter of the reduction shaft, and evenly distributed over the entire cross-section of the reduction shaft. | 08-05-2010 |
| 20100206133 | METHOD OF REFINING SOLDER MATERIALS - The invention includes solder materials having low concentrations of alpha particle emitters, and includes methods of purification of materials to reduce a concentration of alpha particle emitters within the materials. The invention includes methods of reducing alpha particle flux in various lead-containing and lead-free materials through purification of the materials. The invention also includes methods of estimating the fractionation of a low concentration of one or more alpha particle emitters during purification of a material. | 08-19-2010 |
| 20100288076 | DEVICE AND METHOD FOR OBTAINING NON-FERROUS METALS - Device and method for separating metals and metal oxides thereof, in particular in non-ferrous alloys, such as zinc. To this end, zinc residues (dross) is placed in a rotary drum and heated. After a certain treatment time, pure metal located in the bottom part of the drum is poured out. The invention proposes that the drum be held rotatably on a drive mechanism arranged in the cover of the furnace. This facilitates handling of the drum, more particularly when placing it on its drive mandrel. As a result, it is possible to use larger drums, resulting in a larger capacity and a more efficient process. | 11-18-2010 |
| 20100288077 | METHOD OF MAKING AN ALLOY - A method of making an alloy comprises alloying components comprising: ferrosilicon having a ratio of iron to silicon; and at least one of a metallic element or a metallic compound. The alloy may be used in electrode compositions for lithium ion batteries. | 11-18-2010 |
| 20100300247 | METHOD FOR PRODUCING REDUCED METAL AND SLAG CONTAINING OXIDIZED NONFERROUS METAL USING AN UPGRADED COAL - The present invention provides a method for producing a high-quality reduced metal using an upgraded coal as a carbonaceous material to be incorporated. In the method, coal is first aged by heating in an organic solvent to produce upgraded coal for metallurgy having higher thermal plasticity than that of the coal. Then, a mixture of the upgraded coal for metallurgy and a metal oxide-containing raw material is agglomerated by an agglomerator, and the resultant agglomerates are reduced by heating in a furnace and then melted by further heating to produce a reduced melt. The reduced melt is cooled and solidified in the furnace to produce a reduced solid. The reduced solid is discharged to the outside of the furnace and slag is removed using a screen to recover a metal as a reduced metal. | 12-02-2010 |
| 20100319490 | Methods for Improving the Recovery of Metal Leaching Agents - Processes for metal leaching/solvent extraction are described which comprise: (a) providing a first aqueous leach pulp which comprises a mixture of leached solids and an aqueous leach solution comprising a metal, a leaching agent and water; (b) subjecting the first aqueous leach pulp to a first solid-liquid separation to provide a first clarified aqueous leach solution and a second aqueous leach pulp, wherein the second aqueous leach pulp comprises the leached solids at a % solids level greater than the first pulp; (c) subjecting the first clarified aqueous leach solution to a first solvent extraction prior to any significant dilution, whereby a first aqueous raffinate is obtained; (d) subjecting the second aqueous leach pulp to a second solid-liquid separation with dilution via an aqueous stream to obtain a second clarified aqueous leach solution; and (e) subjecting the second clarified aqueous leach solution to a second solvent extraction whereby a second is aqueous raffinate is obtained. | 12-23-2010 |
| 20110000338 | METHOD AND APPARATUS FOR DETECTING CONCAVO-CONVEX SHAPE SURFACE DEFECTS - A detection method for detecting a concavo-convex shape surface defect existing on a ferromagnetic metal object including sensing a signal attributed to strain of the concavo-convex shape surface defect having a size in a range of | 01-06-2011 |
| 20110011210 | Process for making glycol ether compositions useful for metal recovery - Glycol ether compositions useful for metal recovery by froth flotation and processes for making the compositions are disclosed. In one process, dipropylene glycol methyl ether (DPM) is propoxylated to give a composition comprising 4 to 15 wt. % of DPM and at least 20 wt. % of tripropylene glycol methyl ether (TPM). In another process, the glycol ether composition is made from a distillation residue which comprises DPM, TPM, and a basic catalyst. Extraction of the residue with water to remove some of the basic catalyst is followed by propoxylated to give a composition which comprises less than 15 wt. % of DPM, at least 20 wt. % of TPM, and one or more PO-based glycols. In comparative froth tests, glycol ether compositions of the invention meet or exceed the performance of commercial frothers. | 01-20-2011 |
| 20110011211 | METALLURGICAL PROCESS AND PLANT HEREFOR - A process for the production and/or treatment of at least one metal in a reactor includes discharging a waste gas stream via a waste gas conduit and after-treating the waste gas stream by supplying a cooling gas and/or a cooling gas mixture. The after-treating includes injecting the cooling gas and/or cooling gas mixture into the waste gas conduit on a side of the waste gas conduit facing the reactor, at a high velocity and substantially tangentially with respect to a main flow direction of the waste gas. A volume of the cooling gas and/or the cooling gas mixture injected into the waste gas conduit is adjusted so as to reduce a mixing temperature below a melting temperature of the molten particles and/or a condensation temperature of the vaporous constituents of the waste gas stream. | 01-20-2011 |
| 20110011212 | METHOD, APPARATUS AND SYSTEM FOR MANUFACTURE OF A CYANIDE - A method for producing a cyanide including the steps of supplying a hydrocarbon and nitrogen source to an onsite plasma reactor and removing cyanide synthesised inside the onsite plasma reactor to thereby produce the cyanide is disclosed. Also disclosed is a method which includes a monitor for monitoring the cyanide requirement of an onsite cyanide utilising system and supplying the hydrocarbon and nitrogen source in accordance with the cyanide requirement. Additionally, a method for recovering, refining, purifying or treating a metal including the steps of monitoring a cyanide requirement of the method and supplying to the method in a just in time sequence a cyanide synthesised onsite to thereby recover, refine, purify or treat the metal is disclosed. | 01-20-2011 |
| 20110023659 | Process for Preparing a Foaming Slag Former, Product and Use Thereof - The present invention relates to a process for preparing a foaming slag former | 02-03-2011 |
| 20110023660 | METHOD AND APPARATUS FOR RECOVERY OF RARE EARTH ELEMENT - Disclosed is a method for recovering a rare earth element from a rare earth alloy, which has improved extraction efficiency of the rare earth element from the rare earth alloy, and is applicable to the extraction of various rare earth elements. The method is characterized by comprising a step of immersing the rare earth alloy in a molten salt of a halide salt to cause the elution of a halide of the rare earth element into the molten salt, or a step of reacting a rare earth alloy scrap which coexists with at least one of Fe and Cu with a metal chloride gas at a temperature of 1300 to 1800K to selectively extract the rare earth element contained in the rare earth alloy scrap as a vapor of a chloride of the rare earth element. | 02-03-2011 |
| 20110132145 | METHOD FOR SEPARATING DROSS IN SOLDERING PROCESS - Proposed is a method for separating dross in a soldering process for a printed circuit board using a tin bath containing liquid tin. The method includes collecting dross produced during the soldering process; grinding the dross to tin ash in the tin bath for allowing a portion of tin contained in the tin ash to be melted again to join the liquid tin; and scooping up and recycling the tin ash not melted in the tin liquid. The method precludes a waste of tin resources and high manufacturing costs which might otherwise arise from directly scooping up dross of high tin content. | 06-09-2011 |
| 20110214535 | SYSTEM AND METHOD OF CARBON CAPTURE AND SEQUESTRATION, ENVIRONMENTAL REMEDIATION, AND METALS RECOVERY - Systems and methods of capturing and sequestering carbon dioxide, comprising mixing a substantially non-aqueous solvent and an alkali such that the solvent and alkali form a solvent suspension, mixing water and a flue gas containing carbon dioxide with the solvent suspension such that a reaction occurs, the reaction resulting in the formation of a carbonate, water and heat. Methods and processes of environmental remediation and recovering metals from waste streams are also provided. | 09-08-2011 |
| 20110226091 | VARIABLE KARAT GOLD ALLOYS - A gold alloy that is usable for jewelry and other applications. The gold alloy is made by combining Y % gold with Z % of a master alloy, wherein Y+Z=100. The master alloy includes 16% silver, 71.771% Copper, 12% zinc and 0.229% X, wherein X being selected from the group consisting of silicon, germanium, or mixtures thereof. The gold alloy may be made by first forming the master alloy and then mixing the gold with the master alloy. The gold alloy may also be made by mixing gold with the elements of the master alloy without first forming the master alloy. | 09-22-2011 |
| 20110247456 | ULTRASONIC DEGASSING OF MOLTEN METALS - Methods for degassing and for removing impurities from molten metals are disclosed. These methods can include operating an ultrasonic device in a molten metal bath, and adding a purging gas into the molten metal bath in close proximity to the ultrasonic device. | 10-13-2011 |
| 20110247457 | PROCESS FOR PRODUCTION OF DIRECT REDUCED IRON - The present invention relates to a process for the direct reduction of iron ore performed by means of a plant comprising a gravitational furnace ( | 10-13-2011 |
| 20110277591 | SYSTEM AND METHOD FOR REDUCING IRON OXIDE TO METALLIC IRON USING COKE OVEN GAS AND OXYGEN STEELMAKING FURNACE GAS - A process for the direct reduction of iron ore when the external source of reductants is one or both of coke oven gas (COG) and basic oxygen furnace gas (BOFG). Carbon dioxide (CO | 11-17-2011 |
| 20110290075 | Nozzle for Injecting Gas Containing Oxygen Into a Pig Iron Device Having an Injector Insertion Pipe - An injector insert pipe is arranged in the gas channel of a nozzle for injecting oxygen-containing gas into a pig iron production unit, wherein an interspace which surrounds the pipe is present over the entire pipe length between the wall of the gas channel and the pipe outer wall . The pipe extends at least as far as the nozzle end face which contains the mouth of the gas channel. The pipe space is connected to an oxygen-containing gas feed line, and the interspace is connected to a protective gas supply line. In a process, oxygen-containing gas is fed into the pipe space, which after it has flowed through the pipe, enters the production unit at an entry velocity, and the interspace is simultaneously flowed through by a gas which exits into the production unit at an exit velocity, wherein the entry velocity is greater than the exit velocity. | 12-01-2011 |
| 20110296952 | SOLDERING PROCESS - A process by which molten solder is purified in-situ, making the soldering process more efficient and yielding better results, particularly for lead-free soldering. Lead-free solder becomes practical for use since the temperature for reliable soldering is reduced. A layer of active additive is maintained on the surface of molten solder for scavenging metal oxide from the solder and assimilating metal oxide into a liquid layer. The active additive is an organic liquid having nucleophilic and/or electrophilic groups. As an example, a layer of dimer acid maintained on a wave soldering apparatus scavenges metal oxide from the bath, and assimilates dross that may form on the surface. Scavenging metal oxide cleanses the bath and lowers viscosity of the solder, and PC boards or the like soldered on the wave have reliable solder joints. | 12-08-2011 |
| 20110314966 | METHOD AND APPARATUS FOR DIRECT REDUCTION IRONMAKING - An apparatus for producing a reducing gas for direct reduction iron-making includes an internal-heating type reformer for reforming a natural gas by adding steam and oxygen to the natural gas and by partially burning the natural gas to generate reducing gas containing hydrogen and carbon monoxide; a remover for removing carbon dioxide from exhaust gas generated in the direct reduction iron-making; and a line for recycling as the reducing gas the exhaust gas from which the carbon dioxide is removed by the remover. A method for producing direct reduced iron from a raw material containing iron oxide includes the steps of reforming a natural gas by adding steam and oxygen to the natural gas and by partially burning the natural gas to generate a reducing gas containing hydrogen and carbon monoxide; reducing the raw material containing iron oxide by using the reducing gas to produce the direct reduced iron; removing carbon dioxide from exhaust gas generated in the reducing step; and recycling as the reducing gas the exhaust gas from which the carbon dioxide is removed in the removing step. | 12-29-2011 |
| 20120000316 | METHOD FOR PRODUCING PRESSED ARTICLES CONTAINING COAL PARTICLES - Coal particles to be processed into compressed articles are impregnated with a substance before being mixed with a binder system containing water and finally being processed into compressed articles. | 01-05-2012 |
| 20120103136 | APPARATUS AND METHOD FOR PRODUCING REDUCED IRON FROM ALKALI-CONTAINING IRONMAKING DUST SERVING AS MATERIAL - Provided is a movable hearth furnace for thoroughly removing alkali metal elements and producing high-strength reduced iron when producing reduced iron using iron production dust containing alkali metal elements in a movable hearth furnace. The movable hearth furnace comprises: a reduction zone for heating and reducing a carbon composite briquette (C) to produce a reduced briquette (D) having an iron metallization rate of 80% or greater; an alkali removal zone, disposed after the reduction zone, for heating the reduced briquette in a reducing atmosphere and removing the alkali metal elements from the reduced briquette to obtain an alkali-free reduced briquette; and a strengthening zone, disposed after the alkali removal zone, for heating the alkali-free reduced briquette in an oxidizing atmosphere and raising the crushing strength of the alkali-free reduced briquette to produce reduced iron product. | 05-03-2012 |
| 20120125157 | METHOD FOR PRODUCING DIRECT REDUCED IRON WITH LIMITED CO2 EMISSIONS - A method and apparatus for producing direct reduced iron (DRI), also known as sponge iron, by means of direct contact of iron oxides with a stream of recycled and regenerated hot reducing gases containing hydrogen and carbon monoxide. The invention provides a way for decreasing the uncontained emission of CO | 05-24-2012 |
| 20120132034 | PROCESS FOR PRODUCING REFINED METAL OR METALLOID - Process for producing a refined metal or metalloid, comprising: an electrolysis step of, in an electrolytic bath set in a container for an electrolysis in which a material comprising a metal element or metalloid element and impurities acts as an anode, and an alloy comprising the same metal element or metalloid element as the metal element or metalloid element and a medium metal that does not substantially form a solid solution with the metal element or metalloid element and having a complete solidification temperature lower than the melting point of the metal element or metalloid element acts as a cathode, performing electrolysis at a temperature at which the alloy can be a liquid phase; withdrawing a part or the whole of the alloy of the cathode to an outside of the container; cooling the withdrawn alloy at a temperature higher than the complete solidification temperature and lower than the electrolysis temperature; and a recovery step. | 05-31-2012 |
| 20120174710 | REFORMER-GAS-BASED REDUCTION PROCESS WITH DECARBONIZATION OF THE FUEL GAS FOR THE REFORMER - In a process and apparatus for the reduction of metal oxides to form metalized material by contact with hot reducing gas, which is produced at least partially by catalytic reformation of a mixture of—a gas containing carbon dioxide (CO | 07-12-2012 |
| 20120174711 | Apparatus for Manufacturing Reduced Iron and Method for Manufacturing the Same - Provided is an apparatus for manufacturing reduced iron and a method for manufacturing reduced iron. The method for manufacturing reduced iron includes the steps of: i) drying ores in an ore drier; ii) supplying the dried ores to at least one reduction reactor; iii) reducing the ores in the at least one reduction reactor and manufacturing reduced iron; iv) discharging exhaust gas by which the ores are reduced in the reduction reactor; v) branching the exhaust gas and providing the branched exhaust gas as ore feeding gas; and vi) exchanging heat between the exhaust gas and the ore feeding gas and transferring the sensible heat of the exhaust gas to the ore feeding gas. In the steps of supplying the dried ores to the at least one reduction reactor, the dried ores are supplied to the at least one reduction reactor by using the ore feeding gas. | 07-12-2012 |
| 20120186395 | METHOD FOR PRODUCING BRIQUETTES, METHOD FOR PRODUCING REDUCED METAL, AND METHOD FOR SEPARATING ZINC OR LEAD - Disclosed is a method for producing briquettes, by which briquettes having enhanced strength can be produced even when the amount of a binder used therefor is reduced as much as possible. Specifically disclosed is a method for producing briquettes, which comprises: a step of forming a primary granular material having an apparent density of 1,000 to 4,000 kg/m | 07-26-2012 |
| 20120198966 | SYSTEM AND METHOD FOR MAKING METALLIC IRON WITH REDUCED CO2 EMISSIONS - A method and system for making metallic iron nodules with reduced CO2 emissions is disclosed. The method includes: assembling a linear hearth furnace having entry and exit portions, at least a conversion zone and a fusion zone, and a moving hearth adapted to move reducible iron bearing material through the furnace on contiguous hearth sections; assembling a shrouded return substantially free of air ingress extending adjacent at least the conversion and fusion zones of the furnace through which hearth sections can move from adjacent the exit portion to adjacent the entry portion of the furnace; transferring the hearth sections from the furnace to the shrouded return adjacent the exit portion; reducing reducible material in the linear hearth furnace to metallic iron nodules; and transporting porting gases from at least the fusion zone to the shrouded return to heat the hearth sections while in the shrouded return. | 08-09-2012 |
| 20120210823 | METHOD OF HARDENING AN INTERFACE OF CARBON MATERIAL USING NANO SILICON CARBIDE COATING - Disclosed is a method for hardening an interface of a carbon material by using nano silicon carbide coating. A carbon material-aluminum composite prepared by the disclosed method is light in weight, and has a high dynamic strength, and thus can be applied to currently used cars and aluminum wheels. Furthermore, the composite can be utilized as a material for aircrafts, spacecraft, ships, etc. requiring a high strength. | 08-23-2012 |
| 20120304822 | Gasification or Liquefaction of Coal Using a Metal Reactant Alloy Composition - This invention relates to a method and apparatus for gasifying or liquifying coal. In particular, the method comprises reacting a coal with a molten aluminum or aluminum alloy bath. The apparatus includes a reaction vessel for carrying out the reaction, as well as other equipment necessary for capturing and removing the reaction products. Further, the process can be used to cogenerate electricity using the excess heat generated by the process. | 12-06-2012 |
| 20130008288 | METHOD FOR CONTROLLING BETA-TIN ORIENTATION IN SOLDER JOINTS - A method for controlling the beta-tin crystal orientation in solder joints is provided. The method is suitable for joining metallization pads using a solder containing tin and silver. By adjusting the silver content in the solder within a specific range of equal to or more than 2.5 wt. % and less than 3.2 wt. %, the [001] axes of beta-tin crystals in the solder is aligned to be in the direction parallel with a solder/metallization pad interface substantially. Electromigration-induced solder deformations and metallization pad consumption can be significantly reduced when solder joints have such a microstructure. Additionally, the undesired Ag | 01-10-2013 |
| 20130145901 | PYROMETALLURGICAL METHOD - A method for the pyrometallurgical processing of sulphide material containing nickel using a fluxing composition that includes calcium. The fluxing composition forms a slag having an Fe/CaO ratio of between about 0.5 and 5.0 by weight and an SiO | 06-13-2013 |
| 20130160609 | METHOD FOR RECOVERING PLATINUM FROM AVIATION ENGINE COMPONENTS - The disclosure relates generally to methods for platinum recovery from articles. More specifically, the disclosure relates to methods for recovering platinum from gas engine components. | 06-27-2013 |
| 20130180362 | PARTIALLY-REDUCED IRON PRODUCING APPARATUS AND PARTIALLY-REDUCED IRON PRODUCING METHOD - A partially-reduced iron producing apparatus includes: a supplying device laying ignition raw- material pellets on an endless-grate; a heating furnace heating the ignition raw-material pellets; another supplying device laying the raw material pellets on the ignition raw-material pellets; and an exhaust gas circulation device supplying an oxygen-containing gas to the raw-material pellets. The oxygen containing gas is made by circulating part of an exhaust gas discharged from the raw-material pellets and mixing it with air. A partially-reduced iron is produced by thermally reducing the raw-material pellets in a bed height direction thereof through separate combustion and heating regions. The combustion region formed on an upstream side in a travelling direction of the endless grate by supplying the oxygen-containing gas having a high oxygen concentration. The heating region formed downstream of the combustion region in the travelling direction of | 07-18-2013 |
| 20130205951 | METHOD AND SYSTEM FOR THE PRODUCTION OF DIRECT REDUCED IRON USING A SYNTHESIS GAS WITH A HIGH CARBON MONOXIDE CONTENT - Methods and systems for the production of direct reduced iron, including: removing a top gas from a direct reduction furnace; carbon monoxide shifting the top gas using a carbon monoxide shift reactor to form a carbon monoxide shifted top gas having a reduced carbon monoxide content; adding one of a coal gas, a synthesis gas, and an export gas to at least a portion of the carbon monoxide shifted top gas to form a combined gas; removing carbon dioxide from the combined gas using a carbon dioxide removal unit to form a carbon dioxide lean combined gas; and providing the carbon dioxide lean combined gas to the direct reduction furnace as a reducing gas for producing direct reduced iron after heating to reduction temperature. Optionally, the method includes removing carbon dioxide from the top gas using a carbon dioxide removal unit prior to carbon monoxide shifting the top gas. | 08-15-2013 |
| 20130276584 | PRODUCTION OF IRON - A two stage ironmaking process is disclosed. A first stage includes solid state reduction of iron ore and producing a partially-reduced iron-containing feed material and an off-gas containing CO | 10-24-2013 |
| 20130283975 | METHOD OF SEPARATING AND RECOVERING METAL ELEMENTS - A separation and recovery method that enables titanium and tungsten to be separated and recovered from a used DeNOx catalyst in high yield. Specifically, a method of separating and recovering metal elements that includes a first heating step of heating a DeNOx catalyst containing titanium, tungsten, vanadium and iron in a chlorine atmosphere, thereby removing the vanadium and the iron from the DeNOx catalyst, and a second heating step, performed after the first heating step, of heating the DeNOx catalyst in a chlorine atmosphere while the catalyst is exposed to a gas of a hydrocarbon compound (excluding CH | 10-31-2013 |
| 20130291684 | PROCESS AND PLANT FOR TREATING ORE CONCENTRATE PARTICLES CONTAINING VALUABLE METAL - The present invention concerns a process and a plant for treating ore concentrate particles containing valuable metal and having at least arsenic and sulfur containing components. The process comprises a two-stage roasting process comprising a first roasting step ( | 11-07-2013 |
| 20140130639 | CARBON DIOXIDE REDUCTION IN STEELWORKS - A method reduces carbon dioxide resulting from a steel production process. The carbon dioxide is reacted with an electropositive metal in combustion to produce carbon monoxide. The resultant carbon monoxide is fed back into the steel production process. In this method, the carbon monoxide can be used in a direct reduction method as a reduction gas or can be fed to a blast furnace process. The reacted metal can also be recovered by electrochemical conversion from its oxides or salts. In particular, a form of regenerative energy can be used to recycle the electropositive metal. | 05-15-2014 |
| 20140196571 | PROCESS AND DEVICE FOR CHARGING INTO A SMELTING UNIT - A process and a device for charging a primary product for pig iron into a smelting unit are provided. According to the process and device, some of the primary product that has been formed by reducing oxidic iron carriers is stored in the hot state in a reservoir tank before being supplied into the storage device or charging device that is directly connected to the smelting unit. | 07-17-2014 |
| 20140260801 | SORTING MINED MATERIAL - A method for sorting mined material in a sorting apparatus is disclosed. The method includes supplying particles of a mined material onto a conveyor belt ( | 09-18-2014 |
| 20140260802 | PROCESSING MINED MATERIAL - An apparatus for processing mined material, such as mined ore, is disclosed. The apparatus includes an applicator ( | 09-18-2014 |
| 20140290437 | Method For The Refining And Structure Modification Of AL-MG-SI Alloys - A method for the refining and structural modification of Al—Mg—Si alloys for permanent-mold casting or sandcasting, which Al—Mg—Si alloys have the general composition of 5.0-10.0 weight % Mg; 1.0-5.0 weight % Si; 0.001-1.0 weight % Mn, 0.01-0.2 weight % Ti, less than 0.001 weight % Ca, less than 0.001 weight % Na, and less than 0.001 weight % Sr, and as the remainder, Al, and wherein phosphorus is added to the alloy melt in a quantitative range of from 0.01 to 0.06 weight %, referred to the total mass of the alloy. | 10-02-2014 |
| 20140290438 | METHOD FOR RECLAIMING ACTIVE MATERIAL FROM A GALVANIC CELL, AND AN ACTIVE MATERIAL SEPARATION INSTALLATION, PARTICULARLY AN ACTIVE METAL SEPARATION INSTALLATION - The invention concerns a method for retrieving active material from a galvanic cell, which comprises an active material, a support for the active material and a binder for bonding the active material and the support, with the steps: (a) crushing the cells, in particular under inert gas or in a vacuum, so that solid cell fragments are also formed, (b) heating the solid cell fragments up to the decomposition temperature (T | 10-02-2014 |
| 20140298953 | METHOD AND APPARATUS FOR RECYCLING METHANE - The present invention relates to a method and gasification system for recycling methane-rich gas from syngas stream emanating from fluidized bed reactor and then returning the methane to the fluidized bed reactor. The method comprises recovering methane-rich gas from the synthesis gas and delivering at least a portion of the recovered methane-rich gas to the fluidized bed reactor. Methods to recover methane-rich gas from syngas at different steps in the gasification system are also provided herein. | 10-09-2014 |
| 20140311294 | METHODS AND SYSTEMS FOR RECOVERING RARE EARTH ELEMENTS - Methods and systems for recovering or extracting rare earth elements under mild conditions include subjecting a material including rare earth element to a rare earth element crystallization medium under solvothermal conditions sufficient to form rare earth element crystals capable of gravity separation and purification. | 10-23-2014 |
| 20150040727 | MECHANICAL PRESS SYSTEM AND METHOD OF REMOVING SALT USING THE SAME - A method of removing salt from a dendritic mixture includes loading the dendritic mixture into a mechanical press system. The dendritic mixture includes a metallic dendrite and salt dispersed within the metallic dendrite. The dendritic mixture is heated to liquefy the salt without volatilizing one or more metals of the metallic dendrite. The dendritic mixture is also compressed to obtain a fluidic mixture and an ingot of the metallic dendrite. The fluidic mixture may include molten salt and residual metallic dendrite. The fluidic mixture may be filtered to separate the residual metallic dendrite from the molten salt. | 02-12-2015 |
| 20150053049 | PROCESS FOR RECOVERING METALS BY REDUCTION AND CARBONYLATION - A process for treating a feed material composition includes a solid particulate precious metal material-rich feed material composition fraction and a solid particulate rare earth metal material-rich feed material composition fraction, in which the solid particulate precious metal material-rich feed material composition fraction includes one or more precious metals, and in which the solid particulate rare earth metal material-rich feed material composition fraction includes one or more rare earth metals. The process includes contacting the solid particulate feed material composition with a reducing agent within a reducing agent contacting zone to effect production of a reaction intermediate solid particulate material composition. | 02-26-2015 |
| 20150082947 | GRAIN REFINEMENT, ALUMINIUM FOUNDRY ALLOYS - The present invention describes an effective grain refining practice for aluminium foundry alloys. The method described herein relies on the control of the Titanium level of the alloy to be grain refined and the addition of boron once it is melted. Boron addition can be made via Al—B master alloys as well as with boron compounds such as KBF4 salt. The boron added into the melt dissolves first and then forms the AlB2 particles that act as potent substrates for the nucleation of aluminium once solidification process starts. The Ti concentration of the alloy must be controlled below 100 ppm for this method to offer effective grain refinement. The boron becomes ineffective when the Ti concentration in the alloy is higher. | 03-26-2015 |
| 20150101455 | Method for Recovery of Nobel Metals from long-Chain Hydrocarbons, Tars, Oils - The present invention relates to a method for recovery of noble metals from long-chain hydrocarbons, oils or tars, comprising a thermal treatment process in the presence of a defoaming agent having an ash fraction of 0.1% by weight or more. | 04-16-2015 |
| 20150307971 | GRAPHENE AND GRAPHENE OXIDE NANO-ENVIRONMENTS FOR CHEMICAL REACTIONS AND ATOMIC REFORMATIONS - Methods of ex situ synthesis of graphene, graphene oxide, reduced graphene oxide, other graphene derivative structures and nanoparticles useful as polishing agents are disclosed. Compositions and methods for polishing, hardening, protecting, adding longevity to, and lubricating moving and stationary parts in devices and systems, including, but not limited to, engines, turbos, turbines, tracks, races, wheels, bearings, gear systems, armor, heat shields, and other physical and mechanical systems employing machined interacting hard surfaces through the use of nano-polishing agents formed in situ from lubricating compositions and, in some cases, ex situ and their various uses are also disclosed. | 10-29-2015 |
| 20160040268 | A method for extracting rare-earth metals - The present invention relates to a method for complex processing of apatite concentrate resulting in producing concentrate of rare earth metals (REM) and plaster from phosphogypsum, a waste of sulphuric acid technology for producing phosphoric acid from apatite. The method comprises recrystallization of hemihydrate or anhydrite of calcium sulphate into dihydrate of calcium sulphate in the presence of a soluble calcium salt at concentrations of 0.075-3.75 M (in terms of Ca | 02-11-2016 |
| 20160116216 | OVERFLOW MOLTEN METAL TRANSFER PUMP WITH GAS AND FLUX INJECTION - A method of fluxing or degassing a molten metal residing as a bath in a furnace. The bath of molten metal includes a bath surface height and the method provides at least one rotating impeller in the molten metal bath to initiate a flow of the molten metal. The flow in the molten metal results in elevating a portion of the molten metal above the bath surface height where at least one of a fluxing agent and an inert gas is introduced into the elevated portion of the molten metal. | 04-28-2016 |
