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8101007 |
Method for reduction treatment of electric furnace dust
The method includes 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...
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7955412 |
Method for producing agglomerated material
A method is provided for producing an agglomerated material that is used for producing metallic iron by heat reduction in a moving hearth-type reducing furnace, wherein the agglomerated material...
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7700038 |
Formed articles including master alloy, and methods of making and using the same
A formed article for making alloying additions to metal melts includes particles of at least one master alloy and a binder material binding the particles of the master alloy in the formed article....
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7645321 |
Method for the production of ore with green agglomerates containing a proportion of fines
A method for the production of ore comprising a proportion of fines, additives and green agglomerates optionally containing a binder, provided with an outer coating consisting of a combustible...
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7442229 |
Method to improve iron production rate in a blast furnace
The present invention relates to a method to improve the iron production rate in a blast furnace being charged by iron containing agglomerates. The method includes contacting the chargeable iron...
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6802886 |
Method of producing a metallized briquette
The invention is a method of making metallized iron agglomerates by combining iron/steel particles and a reductant material with a cellulose fiber binder material, compacting the combination to...
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6602316 |
Briquette for lowering the viscosity of metallurgical slag and process for its production
Briquettes for the liquefaction of metallurgical slag are formed from a mixture containing, by weight, 85-98% slag from secondary aluminium processing, 1 to 8% polyvinyl acetate dispersion as the...
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6497746 |
Process for agglomerating particulate material
A process for particulate agglomeration (i.e., pelletizing) and the product produced (i.e., pellets) by such processes are disclosed. The process generally comprises a process of agglomerating...
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6451084 |
Iron oxide waste agglomerates and method of assisting a steel-making operation
An iron oxide waste agglomerate, preferably a briquette, is provided including 0.03-15 weight percent on a dry basis lignosulfonate binder, 50-99.5 weight percent on a dry basis iron oxide waste,...
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6293994 |
Mineral pelletisation
The present invention is directed to a process of making fired mineral pellets by mixing particulate mineral material with moisture and binder comprising substantially water soluble organic polymer...
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6099615 |
Method for improved percolation through ore heaps by agglomerating ore with a surfactant and polymer mixture
A method for improving bacteria and reagent actions on mineral-bearing particles. In the heap leaching process, the method also increases percolation of the leach solution through the heaped ore...
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6071325 |
Binder composition and process for agglomerating particulate material
The present invention generally relates to a process of agglomerating particulate material in the presence of water which comprises mixing said particulate material with a binding effective amount...
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5922261 |
Process for recovering iron from iron-rich material
Iron-rich material waste products, such as electric arc furnace dust, are formed with an organic binder into discrete shapes, such as briquettes and/or other solid shapes. The shapes can then be...
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5885328 |
Method of agglomerating oil-containing steel mill waste
A method of agglomerating oil-containing steel mill waste includes the step of combining a first steel mill waste component with a second steel mill waste component to form a mixture. The first...
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5833937 |
Polymeric combinations used as copper and precious metal heap leaching agglomeration aids
An improved method for extracting a precious metal from mineral fines by heap leaching with dilute sulfuric acid which comprises agglomerating the mineral fines prior to formation into a heap with...
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5698007 |
Process for agglomerating particulate material
The present invention generally relates to a process of agglomerating particulate material in the presence of water which comprises mixing said particulate matreial with a binding effective amount...
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5685893 |
Ore pelletization
In an iron ore pelletization process in which particulate ore is mixed with particulate polymeric binder in the presence of moisture and the mixture is pelletised, the particulate binder is a blend...
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5587002 |
Process for the preparation of a cooling agent containing iron for a steel-making converter
The present invention relates to a process for the preparation of a cooling agent containing iron for refining steel in a steel-making converter. The cooling agent is formed from ovoids produced...
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5472675 |
Polyvinyl alcohol agglomeration agents for mineral bearings ores
An agglomerating agent for use in the heap leaching of mineral bearing ores is disclosed. The agglomerating agent is a polyvinyl alcohol of moderate to high molecular weight which is partially or...
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5443788 |
Method and apparatus for formation of briquettes comprising balancing the surface area between atomized binder and fines
The subject invention relates to method for briquetting fines and ultrafines comprising mixing the fines and ultrafines on a continuous basis with a binder system having low viscosity of up to...
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5435835 |
Method and system for removing and/or causing recycling of materials
A system and process for treating dust and sludge from iron and steel making operations and includes separating iron and carbon from zinc and lead. Separation is performed in a series of...
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5421859 |
Processes of continuously making hard composites of coke and carbon-reducible oxides for smelting to iron, ferroalloys and silicon
Composite pieces of high density and strength are made continuously from mixtures of fine particles of bituminous or subbituminous or lignite coals and particles of carbon reducible oxides. The...
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5421853 |
High performance binder/molder compounds for making precision metal part by powder injection molding
A binder composition for use in making metal parts via a metal powder injection molding process containing the following components: (a) a first polymer with a relatively low solubility parameter...
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5382279 |
Method and apparatus for combustion of steel plant wastes
A process for consuming oily sludge waste product in steel making operations includes spraying a waste slurry onto the moving porous bed of a sinter strand. A burner hood is spaced above a portion...
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5372632 |
Process for producing fiber bonded agglomerated ore materials
Process for producing agglomerates, e.g., by pelletizing a particulate inorganic material, for example, an ore material, characterized by the addition to the agglomerated material of an organic...
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5352271 |
Composite wire with a plastic sheath for additions to metallic baths
A method for producing a composite wire for addition of solid products to metal baths in which the core comprises the addition products and a sheath of plastic material covers the core. The wire is...
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5306327 |
Modified native starch base binder for pelletizing mineral material
A binder for pelletizing particulate mineral material. The binder including about 30-99.5% modified native starch, and about 0.2-80% of water-dispersible polymer material selected from the group...
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5302341 |
Continuous method for formation of briquettes contains less than 1% binder by weight of the briquette
The subject invention relates to method for briquetting fines and ultrafines comprising mixing the fines and ultrafines on a continuous basis with a binder system having low viscosity of up to...
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5294250 |
Self-fluxing binder composition for use in the pelletization of ore concentrates
A self-fluxing binder composition for use in the pelletization of an ore concentrate, especially iron ore concentrates. The composition comprises from 50 to 98% by weight of one or more carrier...
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5211920 |
Agglomerating agents for clay containing ores
Agglomerating agent and method for use in heap leaching of mineral bearing ores. A moderate to high molecular weight anionic polymer preferably in combination with lime provides a highly effective...
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5186742 |
Method and composition for use in recycling metal containing furnace dust
A process is shown where an arc dust waste produced by an electric arc furnace is conducted to silos and converted to a reusable co-product by means of the addition of a special blend of high...
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5186915 |
Heap leaching agglomeration and detoxification
Agglomerating agent and method for use in heap leaching of mineral bearing ores. A moderate to high molecular weight anionic polymer in combination with lime provides a highly effective...
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5112391 |
Method of forming ore pellets with superabsorbent polymer
A binder composition and method for its use to bind metal ores in a pelletizing process is disclosed. The composition includes the use of superabsorbent cross-linked polymers alone or in...
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5102455 |
Agglomeration of particulate material employing a polymer
Particulate material such as iron ore is agglomerated into pellets or other agglomerates by being homogeneously mixed in the presence of moisture with a binder followed by agglomeration of the...
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5100467 |
Agglomeration of particulate material mixed prior to addition of polymer
Iron ore particles or other water insoluble non-swellable particulate material is converted into pellets or other agglomerates by mixing with substantially dry binder in the presence of moisture...
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5002607 |
Process for pelletizing particulate materials
Particulate metal ore is pellitized by use of a novel polymeric binder that comprises aggregates of polymer particles and that have a size mainly above 100 μm and the aggregates are disintegrated ...
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4875935 |
Anionic acrylamide polymers as copper ore agglomeration aids
An improved method for extracting copper from copper minerals by heap leaching with dilute sulfuric acid which comprises agglomerating the copper mineral fines prior to their being formed into an...
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4802914 |
Process for agglomerating mineral ore concentrate utilizing dispersions of polymer binders or dry polymer binders
This invention is a method for agglomerating mineral ore concentrate comprising the commongling of mineral ore concentrate with a binding amount of a water soluble, high molecular weight polymer....
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4767449 |
Process for agglomerating ore concentrate utilizing clay and dispersions of polymer binders or dry polymer binders
This invention is a method for agglomerating mineral ore concentrate comprising the commingling of mineral ore concentrate with a binding amount of water soluble polymers, preferably...
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4735652 |
Process for producing agglomerates of aluminum based material
A process is disclosed for producing agglomerates of aluminum based material which is suitable for plasma melting rapid solidification processing. The process involves first forming a slurry...
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4684549 |
Iron ore pelletization
Finely particulate iron ore is pelletized using finely particulate, free flowing, anionic water soluble synthetic polymer having intrinsic viscosity of from 3 to 16 as binder.
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4585475 |
Method for recycling oily mill scale
Oily mill scale recovered from steel manufacturing operations downstream of a refining stage for molten steel is recycled to the refining stage. Coarse particles of mill scale are removed in a...
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4585548 |
Recovery of metal values from mineral ores by incorporation in coal-oil agglomerates
Gold ore, or any other mineral treated to have a lyophilic surface, (e.g. chalcopyrites), is ground into a slurry in crusher (1) powdered coal and oil are added at location (2), and the mix is...
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4497661 |
Formed briquettes, process for forming the same and process for utilizing the same in the manufacture of metals
Formed briquettes of high green strength, high shatter and good compressive strength in the cured state from a composition comprising a metal- and/or carbon-containing waste, one or more reactible...
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4288245 |
Process for producing agglomerates of metal containing ores and the product of the process
A process is provided for the agglomeration or pelletizing of metallic ores in the presence of water with a binder containing an alkali metal salt of carboxymethyl cellulose in an amount of at...
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4123257 |
Method of treating a plating sludge
A method of treating a plating sludge is disclosed, wherein a plating sludge, whose water content is decreased to not higher than 10% by weight, is mixed with scale, dust, both of which are formed...
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4082539 |
Method for the preliminary treatment of materials for sintering
A new method for the preliminary treatment of the raw materials used for sintering of powdery iron ore is provided, in which the hydrophilic binder is dividedly incorporated in a first treatment...
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3898076 |
Sealing and briquetting finely divided material with vinyl copolymer and wax
An ethylene/vinyl acetate resin copolymer mixed with paraffin wax coats and binds finely divided materials compressed into a briquette for addition to molten metal. The binder, which forms a minor...
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3860414 |
USE OF GRAFT COPOLYMERS AS AGGLOMERATION BINDERS
Water-soluble graft copolymers of acrylic acid and a water-soluble polyhydroxy polymeric compound, including water-soluble salts thereof, are useful as binders in the agglomeration of finely...
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3644113 |
AGGLOMERATE INCLUDING GRAFT COPOLYMERS OF ACYLIC ACID AND METHYL CELLULOSE AND METHOD OF MAKING
Water-soluble graft copolymers of acrylic acid and methyl cellulose, including water-soluble salts thereof, are useful as binders in the agglomeration of finely divided materials. The graft...
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