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Matches 301 - 350 out of 12,136

Document Document Title
WO/2010/109191A1
The invention relates to a method for increasing the concentration of platinum group metals in urban waste material. The method comprises obtaining particles of urban waste material; screening the particles of urban waste material by siz...  
WO/2010/108212A1
A method for leaching zinc from a zinc-bearing carbonate ore, the method comprising the steps of: subjecting the zinc-bearing carbonate ore to elevated temperatures of between about 300°C and about 900°C thereby producing a roasted ore...  
WO/2010/105292A1
A method for the removal of a impurity element from an iron ore, the method including the steps of heating the ore to a temperature not exceeding about 500 °C and subsequently contacting the ore with an acid or alkaline leach solution t...  
WO/2010/106756A1
A process for producing sintered ore which comprises: mixing iron ore including iron ore having a crystal water content as high as 4.0 mass% or more with a minor raw material and a solid fuel comprising 10 mass% or more low-combustion-te...  
WO/2010/103343A1
A method for improved process for production of High Carbon Ferrochrome (HCFeCr) and Charge Chrome comprising: blending dried chrome concentrate and chromite fines in all possible proportions to form raw feed ore; subjecting the raw feed...  
WO/2010/099640A1
A method of producing iron by smelting-reduction comprises the following steps: placing raw material in an iron smelting equipment, heating and reducing it to metal iron, heating the metal iron continuously to make it melt. The raw mater...  
WO/2010/098329A1
Disclosed is a method for treating sintering granules, which enables the maintenance of strength of granules even when the granules are exposed to excess moisture in a wet zone or when dry granules are mixed with wet granules and the dry...  
WO/2010/094161A1
A method for extracting valuable metals from laterite-nickel ore with whole closed-loop circulation of hydrochloric acid is provided. The method includes the following steps: crushing the laterite-nickel ore, leaching chloride under heat...  
WO/2010/085857A1
A method of agglomerating a nickel laterite ore comprising the steps of: i) feeding a nickel laterite ore material to be agglomerated into an agglomeration circuit; and ii) adding a sulfuric acid containing agglomerating solution to the ...  
WO/2010/087468A1
Provided is a fuel for sintering iron ore which is less expensive and more efficient in sintering than sintering fuels that have been used conventionally, can improve the productivity of sintered ore and the product yield thereof, and ca...  
WO/2010/082065A3
A process for recovering a metal chloride or mixed metal chloride from a solid waste material comprising recoverable metal containing constituents produced by lead, copper or zinc smelting and refining processes, said process comprising ...  
WO/2010/082065A2
A process for recovering a metal chloride or mixed metal chloride from a solid waste material comprising recoverable metal containing constituents produced by lead, copper or zinc smelting and refining processes, said process comprising ...  
WO/2010/078638A1
The text of the abstract should be reworded from lines 4 to 8, in order to differentiate between the expressions "fines", "fine slurry from steel works (LFA)" and "fine portion of said residues". It is proposed to replace said text by: "...  
WO/2010/076848A1
A soldering paste is stored at low temperature, and essentially used up once having been unsealed, while waste soldering paste is fundamentally discarded. Conventionally, the discarded soldering paste has been recycled by: combusting th...  
WO/2010/072999A3
The invention relates to a process of producing a sintered metal ore, which process comprises sintering a feedstock comprising a metal ore, a fuel, water and optionally a flux in the presence of nanoparticles of a transition metal oxide ...  
WO/2010/073718A1
A sintering material granulation method using X-ray CT comprises a granulation step, in which water is added and sintering material is granulated; a granulated material measurement step, in which the weight (M) of the granulated material...  
WO/2010/074309A1
Disclosed is a method for reclaiming iron and phosphorus from steelmaking slag, which comprises a first process, in which steelmaking slag that contains phosphorous, such as dephosphorization slag, is reduction treated using a reducing a...  
WO/2010/073968A1
A method of charging a sintering machine with a raw material is provided, the method being effective in inhibiting an "avalanche phenomenon" or an "undercharge phenomenon" from occurring even when the raw material to be sintered has chan...  
WO/2010/072999A2
The invention relates to a process of producing a sintered metal ore, which process comprises sintering a metal ore, a fuel and water in the presence of nanoparticles of a transition metal oxide or a rare earth metal oxide.  
WO/2010/064717A1
A process for sintered-ore production in which a gas fuel is supplied to the downstream side of an ignition furnace of a sintering apparatus to produce sintered ore from a raw material to be sintered which has a carbon-material content o...  
WO/2010/064731A1
A process for sintered-ore production in which high-quality sintered ore having high strength can be safely produced in a high yield with a sintering apparatus of a downward suction type; and the sintering apparatus. The process for sin...  
WO/2010/058111A1
The invention relates to a method for agglomerating industrial dust comprising: mixing the dust to be agglomerated in a vat in the presence of a first binder including a polymer with a molecular weight of more than 500,000 g/mol, present...  
WO/2010/050462A1
A method for obtaining a low-arsenic-content refined copper ore is provided in which an arsenic mineral is separated from a copper-containing substance containing arsenic, such as a copper ore or refined copper ore. The method comprises ...  
WO/2010/046720A1
A plant (1) for treating non-ferrous metal scrap, consisting of a scrap treating oven (3), one or more diesel engines (5) fed with vegetable oil as a fuel, combustion fume conveying means (7) from said diesel engines (5) to said treating...  
WO/2010/046712A2
This invention concerns a method and apparatus for treating material with electromagnetic radiation. The method comprises providing a barrier between the material and an electromagnetic radiation generator arranged to emit electromagneti...  
WO/2010/046712A3
This invention concerns a method and apparatus for treating material with electromagnetic radiation. The method comprises providing a barrier between the material and an electromagnetic radiation generator arranged to emit electromagneti...  
WO/2010/040442A1
This invention relates to a device for smoothing the surface of a sinter mixture in a grate carriage (1), before the same enters an ignition furnace (2), by means of at least one scraper (3) between the charging point (4) of the sinter b...  
WO/2010/041770A1
Provided is a method for operation of a blast furnace that uses a large volume of fired pellets as the iron-containing starting material, wherein carbon-containing unfired pellets are mixed with fired pellets and introduced in the vicini...  
WO/2010/035289A1
A method of agglomeration of ferroalloy fines such as ferromanganese, ferrochrome and ferrosilicon fines comprising the steps of: Providing ferroalloy fines below 10mm size; Sieving <3mm size fraction and crushing 3-10mm to produce <3mm ...  
WO/2010/036144A1
The invention relates to methods for extracting noble metals from raw material containing chlorides of alkali metals, for example slurries. The method involves processing cinder in two stages, secondary enrichment by flushing with water...  
WO/2010/034465A1
The invention relates to a method for the selective acidic dezincification of steel scrap. The selective complete dezincification is achieved by adding oils, wherein the dissolution of iron by the autogenous inhibitory action of the oils...  
WO/2010/034085A1
Method for recycling of slag from copper production, containing silicate-fayalite, which is characterized by the circumstance that fayalite oxidizes with air at oxidation temperatures of 700 to 1.100 °C, and for 3 to 5 hours; hydroxy or...  
WO/2010/036142A1
The invention relates to methods for the recovery of noble metals and can be used to recover noble metals from mineral raw materials containing chlorides of alkali and alkaline-earth metals, such as potash production slurries. The metho...  
WO/2010/032466A1
Disclosed is a sintered ore manufacturing method, in which a chalybeate starting material that contains multiple brands of iron ore, auxiliary materials, solid fuel, and return ore are blended as a sintering starting material, these sint...  
WO/2010/030038A1
Provided is a method for producing a pulverized waste plastic wherein it is possible to produce at a low cost and with improved productivity a pulverized product by micropulverization of waste plastic. The method for producing a pulveriz...  
WO/2010/028932A1
A description is given of a process for producing agglomerates composed of finely particulate iron carriers and at least one binder as starting material for a metallurgical process. The agglomerates are, in at least one further agglomera...  
WO/2010/025878A1
This invention relates to a device for charging raw sinter mixture (2) onto a pallet car (3) of a sintering machine or the like, with a storage bin (4) from which the raw sinter mixture is withdrawn by a drum feeder (6) via an outlet ope...  
WO/2010/025519A1
The present invention relates to a method for separating clay from ore fragments comprising clay, including: - drying the ore fragments comprising clay by exposing the ore fragments to radiation having a frequency in the microwave to rad...  
WO/2010/024545A3
The present invention relates to a vertical, autothermal furnace characterised in that it comprises a furnace that tapers with the lower part wider than the upper part and having a spherical, elliptical or polygonal cross section, said f...  
WO/2010/024545A2
The present invention relates to a vertical, autothermal furnace characterised in that it comprises a furnace that tapers with the lower part wider than the upper part and having a spherical, elliptical or polygonal cross section, said f...  
WO/2010/023692A8
A method for production of iron ore concentrates comprising the steps of: crushing low grade ore, slimes and other deposits to produce iron ore particle of the size less than 1.5 mm; subjecting the said particles to the step of selective...  
WO/2010/023691A1
This invention relates to an improved method for processing high zinc iron ores for production of iron and steel comprising the steps of; producing agglomerate comprising a mixture of iron oxides, carbonaceous materials, and fluxes with ...  
WO/2010/023692A1
A method for production of iron ore concentrates comprising the steps of: crushing low grade ore, slimes and other deposits to produce iron ore particle of the size less than 1.5 mm; subjecting the said particles to the step of selective...  
WO/2010/025096A1
A system and method for recovering a metal value from a metal-bearing ore material are provided. A metal-bearing ore can be mixed with certain substances and to form an agglomerated ore. In an intermediate state, between agglomeration an...  
WO/2010/020421A1
A method for treating a substantially solid material contaminated with metals, in particular a soil or a wastewater sludge, or demolition waste material polluted with heavy metals. The method provides a step of mixing the contaminated ma...  
WO/2010/021065A1
A process for producing a sintered ore which comprises: a charging step in which a pallet traveling cyclically is charged with a raw sintering material comprising a powdery ore and a carbonaceous material to form a charge layer of the ra...  
WO/2010/018804A1
Provided is a technique for keeping the spacing of wires forming a chute equivalent in charging a raw material to be sintered into a sintering machine, thereby to keep a classifying performance. A method for charging a raw material to b...  
WO/2010/019062A1
According to this invention, a process for obtaining zinc, lead, gold and silver concentrate from a complex low - concentration ore. The process consists of several stages: three - staged basic grinding and two - staged classification, c...  
WO/2010/019064A1
According to the invention, the procedure and the device for extraction of platinum metals and their concentration from copper ores relates to extraction of solid materials through a subsequent concentrate treatment using flotation, and ...  
WO/2010/015019A1
A process for lowering the concentration of phosphorus in iron ore is disclosed. The process comprises roasting and then leaching iron ore or upgraded concentrates of iron ore having a concentration of at least 0.05 wt. % phosphorus to l...  

Matches 301 - 350 out of 12,136