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Matches 301 - 350 out of 13,387

Document Document Title
WO/2014/013775A1
This method for producing a sinter involves suctioning air above a charging layer, which includes a gaseous fuel supplied from a plurality of gaseous fuel supply devices installed in a machine length direction downstream from an ignition...  
WO/2014/013776A1
This gaseous fuel supply apparatus for a sintering machine, which supplies a gaseous fuel that is diluted to a combustion lower limit concentration or less downstream from an ignition furnace of a downward suction-type sintering machine,...  
WO/2014/013092A1
The invention is based on the recirculation of a solution containing no, or a low content of, iron, such that the final acidity conditions achieved are suitable for obtaining efficient precipitation of iron in the form of jarosite. In on...  
WO/2014/009769A1
Method (1) of processing an iron ore (3) containing phosphorus, the iron ore having a gangue, the method comprising the steps consisting in: - mixing (A) the iron ore with at least one alkaline additive (7) able to react with the gangue ...  
WO/2014/009769A8
Method (1) of processing an iron ore (3) containing phosphorus, the iron ore having a gangue, the method comprising the steps consisting in: - mixing (A) the iron ore with at least one alkaline additive (7) able to react with the gangue ...  
WO/2014/009928A1
This invention relates to a hydrometallurgical process for extracting platinum group metals (PGMs), gold, silver and base metals from a flotation concentrate (10) containing sulphide minerals such as pentlandite and chalcopyrite, along w...  
WO/2014/007462A1
Provided is a briquette manufacturing apparatus comprising: a charging hopper supplying direct reduced iron such that compression of the direct reduced iron is properly carried out in the centers of rolls; a feeding box to be connected t...  
WO/2014/006196A1
A method for reducing hexavalent chromium in oxidic solids containing the steps: a) mixing the oxidic solid, containing Cr(VI), with a carbon-containing liquid compound in the range of 20 to 100°C; b) treating the mixture obtained accor...  
WO/2014/006677A1
[Problem] To provide an exhaust heat recovery power generation plant for a sintering facility in which it becomes possible to effectively recover exhaust heat from a sintering device in addition to a sintered ore cooler while controlling...  
WO/2014/003316A1
Provided is a direct-reduced iron agglomeration apparatus. According to the present invention, the direct-reduced iron agglomeration apparatus includes: a supply box disposed on a pair of rolls to supply direct-reduced iron supplied by a...  
WO/2013/186950A1
Proposed is a method for manufacturing sintered ore by charging a sintering feedstock comprising a powdered ore and a carbon material on a circulating pallet to form a charged layer, introducing a gaseous fuel diluted to the lower combus...  
WO/2013/182377A1
When producing hardened granules from iron-containing particles, the iron-containing particles are mixed with at least one binder and water or an aqueous base to obtain a mix, the mix is formed to granules and subjected to a reduction wi...  
WO/2013/183914A1
The present invention relates to an apparatus for charging and a method for charging raw materials, comprising the steps of: preparing the raw material; supplying the raw materials into a charging shoot; and transporting the raw material...  
WO/2013/183170A1
A method for operating a blast furnace in which a coke layer (1) and an ore layer are formed, wherein: the ore layer is formed in multiple batches (2,3); a ferrocoke is incorporated into at least one of the multiple batches; and no ferro...  
WO/2013/179942A1
A technique for enhancing the separability of reduced ion and slag in a mixture of reduced iron and slag obtained in a semi-molten state in which the entire agglomerate is not completely melted. A method for manufacturing a mixture of re...  
WO/2013/179609A1
A device for removing powder adhering to the surface of raw material for manufactured steel, wherein the device from removing powder adhering to raw material for manufactured steel has an inclined screen, the inclined screen vibrates at ...  
WO/2013/175601A1
Proposed are a method for manufacturing granulating raw material for sintering, a device therefor, and a method for manufacturing sintered ore for a blast furnace using the granulating raw material for sintering thus obtained, the method...  
WO/2013/173895A1
The present invention discloses a new process for the improvement of reducibility of iron ore pellets comprising the steps of i) preparing a raw material mixture which contain metallic Ni powder; ii) pelletizing the said mixture obtained...  
WO/2013/171022A3
A grate carriage for receiving bulk material, in particular in a traveling grate of a pellet firing or sintering machine, includes a plurality of grate bars (3) arranged parallel to each other, wherein the grate bars (3) are movably held...  
WO/2013/172652A1
Disclosed are an iron-ore-fines particle size sorting method and particle size sorting device. The iron-ore-fines particle size sorting device according to the present invention comprises: a fluidised bed dryer for drying iron ore fines ...  
WO/2013/167960A1
Ore analysis system including first and second sensing annular coils (12, 14; 212, 214), and an exciting annular coil (16, 216). Rock cutting samples (56) fall through the coils and create a signal depending on their magnetic properties....  
WO/2013/166575A9
The present invention describes an advantageous and effective process for obtaining carboxymethyl cellulose (CMC) from agro-industrial residues, comprising the steps of a) Preparing the raw material, wherein the raw material is washed, d...  
WO/2013/169673A1
A method of reclaiming and inhibiting activation of DRI including forming a moving stream or pile containing DRI pellets and DRI fines and applying to said DRI material a coating material optionally having a melting point between 70 and ...  
WO/2013/166575A1
The present invention describes an advantageous and effective process for obtaining carboxymethyl cellulose (CMC) from agro-industrial residues, comprising the steps of a) Preparing the raw material, wherein the raw material is washed, d...  
WO/2013/161653A1
Provided is a metal iron-containing sintered body including a mixture of metal iron and slag which is obtained by heating an agglomerate comprising an iron oxide-containing substance and carbon material, the metal iron-containing sintere...  
WO/2013/162253A1
Disclosed are a sintering device and a sintering method using induction heating, wherein a raw ore can be heated by inducing the heating of a highly conductive material included in the raw ore through magnetic inductance of an induction ...  
WO/2013/155579A1
The present invention relates to a method for supplying green iron ore pellets to hardening furnaces, in particular of the moving grate type, the grate carriages being filled with material separated into two different granulometric range...  
WO/2013/152487A1
The present invention provides a laterite-nickel ore processing method for efficiently recovering nickel resources, which can save the early pellet processing cost and improve the recovery rate of nickel. The method comprises the followi...  
WO/2013/152959A1
Process for producing a briquette containing carbon carriers (2), where the carbon carriers (2) together with a binder system (3) are subjected to mixing with introduction of steam and the mixture obtained is subjected to pressing to giv...  
WO/2013/150862A1
[Problem] To propose a process for manufacturing a highly reactive blast furnace feed material advantageous to low-reducing-agent -rate and low-CO2 operation of a blast furnace. [Solution] A process for manufacturing a highly reactive bl...  
WO/2013/145332A1
[Problem] To provide pseudo-particles used for sintered ore manufacture and a method for manufacturing sintered ore that are effective at improving sintered ore production efficiency by improving the ventilation of a raw-material fill la...  
WO/2013/145515A1
A sintering machine ignition apparatus having: a fuel gas passage extending in the width direction of the pallet of a sintering machine; air gas passages extending on both sides of the fuel gas passage, with the fuel gas passage therebet...  
WO/2013/140810A1
According to the present invention, by adjusting a mixing ratio [(C/F) × 100] between the mass of an iron ore raw material (F) having particles with a diameter of not more than 0.5 mm, and the mass of coke breeze (C) having particles wi...  
WO/2013/140836A1
Provided is a method for producing hematite for iron production, whereby high purity hematite, which can be used as a raw material for producing iron, is cheaply and efficiently recovered from leach residue containing iron oxide produced...  
WO/2013/140809A1
According to the present invention, by adjusting a mixing ratio [(C/F) × 100] between the mass of an iron ore raw material (F) having particles with a diameter of at least 3 mm, and the mass of coke breeze (C) having particles with a di...  
WO/2013/140810A8
According to the present invention, by adjusting a mixing ratio [(C/F) × 100] between the mass of an iron ore raw material (F) having particles with a diameter of not more than 0.5 mm, and the mass of coke breeze (C) having particles wi...  
WO/2013/139606A1
In the production of hardened granules from iron-containing particles, the iron-containing particles are mixed with at least one binder and water to obtain a mix, the mix is formed to granules, and the granules are introduced into a flui...  
WO/2013/140809A8
According to the present invention, by adjusting a mixing ratio [(C/F) × 100] between the mass of an iron ore raw material (F) having particles with a diameter of at least 3 mm, and the mass of coke breeze (C) having particles with a di...  
WO/2013/135373A1
A sintering furnace with a first zone, in particular a burn-off zone, and a second zone, in particular a sintering zone, and also a transitional zone arranged between the first zone and the second zone. The sintering furnace has at least...  
WO/2013/129604A1
A process for manufacturing reduced iron agglomerates which comprises introducing starting agglomerates that comprise both an iron oxide-containing material and a carbonaceous reducing agent onto the hearth of a moving-bed heating furnac...  
WO/2013/124155A1
The present invention relates to a method for producing highly purified metalloid by means of a carbothermal reduction in a reactor, wherein at least one metalloid compound and at least one carbon source are initially fed into the reacto...  
WO/2013/124167A1
The invention relates to a method for producing silicon by carbothermally reducing silicon oxide with carbon in a melting furnace. In said method, at least one molded article comprising at least one carbon compound which contains hydroxy...  
WO/2013/120949A1
A method for controlling the fuel supply to several burners (2) of a burner group (1) and a corresponding burner controller are described. In the method, the temperature (TY) in the burner group (1) is determined as control variable and ...  
WO/2013/118725A1
The present invention pertains to a method and device for producing reduced iron from iron-making dust comprising iron oxide produced in an iron-making plant, focuses on a rotary kiln reduction method free of the need to pre-treat the du...  
WO/2013/115161A1
This invention comprises obtaining an ore slurry (A1) having a first solid component ratio lower than the target predetermined solid component ratio by thickening a first raw material ore slurry (A0), obtained by blending multiple types ...  
WO/2013/110142A1
A method of agglomerating fine particles such as ultrafine coal in a benefication process, uses a water in oil emulsion to significantly reduce the amount of oil needed compared with known oil in water emulsions. A solution of oil and em...  
WO/2013/108201A1
This invention relates to an ore handling arrangement suitable for use in mining applications, and more particularly but not exclusively, to an ore handling arrangement suitable for loading ore onto a conveyor belt, into an ore pass, or ...  
WO/2013/107454A1
A method and a pelletizer press (2) for rendering a waste fraction (20) recyclable is disclosed. The method comprises the following steps: feeding metallic dust (20) into a basically cylindrical chamber (10) having a longitudinal axis (X...  
WO/2013/103099A1
A method for separating and recovering a plurality of rare-earth elements, wherein the method comprises: a step for introducing into a liquid a mixture of a rare-earth oxychloride and rare-earth oxychloride, the rare-earth oxychloride co...  
WO/2013/099004A1
By using an aluminium-powder producing apparatus equipped with an aluminium-can rotating means for causing a used aluminium can, to which a coating of paint or the like has been adhered, to rotate on the central axis thereof, and a plasm...  

Matches 301 - 350 out of 13,387