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Matches 301 - 350 out of 13,319

Document Document Title
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...  
WO/2013/096070A1
Various embodiments provide a process roasting a metal bearing material under oxidizing conditions to produce an oxidized metal bearing material, roasting the oxidized metal bearing material under reducing conditions to produce a roasted...  
WO/2013/088583A1
Provided is a process for manufacturing an iron-source raw material with excellent resistance to reduction disintegration, said iron-source raw material being to be fed into a blast furnace. This process is characterized by making an aqu...  
WO/2013/081350A1
Provided is a sealing device of a driving section for maintaining the airtightness of a driving section (a driving shaft) portion which passes through a sealed structure. The sealing device of a driving section includes: a structure moun...  
WO/2013/079647A1
The present invention is based on the finding that the presence of a thermoplastic material as solidifying agent in a binder composition for binding of a metal-bearing substrate, results in a composite material with previously unknown ch...  
WO/2013/073471A1
Concerning reduced iron and slag which are obtained in such a semi-molten state that each of the agglomerates is not completely molten, a technique for improving the separability between reduced iron and slag is provided. A process for m...  
WO/2013/071955A1
Process for the manufacture of ferrochrome alloy comprising the steps of providing a pelletising feed, wherein the pelletising feed comprises chromite ore and silicon carbide as the only carbonaceous material and the only reducing agent;...  
WO/2013/071956A1
The invention relates to a pelletising feed containing chromite ore, at least one nickel salt, and silicon carbide as the only carbonaceous material and the only reducing agent. The invention also relates to process for manufacturing the...  
WO/2013/074150A2
An apparatus and method for collecting mineral particles in the tailings is disclosed. The apparatus may take the form of a filter, a conveyor belt, a collection plate or an impeller configured to contact with tailings of a flotation pro...  
WO/2013/069744A1
[Problem] To provide a method for removing urethane from a metal-urethane composite material with high work efficiency and at a shorter work time. [Solution] With regard to a composite material (metal-urethane composite material) having ...  
WO/2013/054471A1
This method for granulation of sintering raw material includes wet pulverization of iron ore using a vertical pulverizer having a pulverization unit formed from a cylindrical vessel provided with screw blades on a vertical central shaft ...  
WO/2013/040694A1
A process for upgrading tantalum and niobium ores and concentrates is described herein. The process comprising: a) submitting the ore or concentrate to a caustic fusion or an alkali fusion using a melt comprising at least one salt of an ...  
WO/2013/033805A1
This invention refers to the application of carbon nanotubes on agglomerates of ore fines to increase the mechanical strength. The present invention also refers to a process for the preparation of ore agglomerates having enhanced mechani...  
WO/2013/033804A1
The present invention refers to an effective method for minimizing the problems of iron ore pellet degradation by weathering during their stockpiling, i.e., by providing an appropriate method for improving the state of the art with regar...  
WO/2013/027084A1
A process for producing direct reduced iron (DRI) from iron ores and reducing the cost and energy requirements of steelmaking, utilizing a gas produced from fossil fuels, containing sulfur compounds and BTX, wherein said gas is heated in...  
WO/2013/026709A1
This invention relates to the thermal treatment of lump or agglomerated material in a firing machine (1 ) with a travelling grate (2) on which the material is conveyed through the firing machine (1 ), a firing chamber (4) for generating ...  
WO/2013/020431A1
Provided is a method for recycling concentrate residues of a titanium dioxide waste acid, comprising the steps of: pulping the concentrate residues of the waste acid, adding an excess of iron thereto so as to convert the sulphuric acid i...  
WO/2013/018710A1
The present invention addresses the problem of providing a method for recovering a rare earth element from an object to be processed containing at least the rare earth element and an iron group element, said method being able to be put i...  
WO/2013/019618A2
A method of enriching the iron content of low-grade iron-bearing ore materials has been developed which produces a high iron ore concentrate suitable for processing into pig iron and steel. The process includes reducing the low-grade iro...  
WO/2013/019618A3
A method of enriching the iron content of low-grade iron-bearing ore materials has been developed which produces a high iron ore concentrate suitable for processing into pig iron and steel. The process includes reducing the low-grade iro...  
WO/2013/014926A1
The present invention provides a method for manufacturing sintered ore allowing manufacturing of sintered ore ideal as raw material for a blast furnace. When a drum mixer (3) is charged with powdered raw material (15) used for a quasi-pa...  
WO/2013/014063A1
For adjusting the burn-through point (D) in a sintering machine (1), in which the material to be sintered is charged onto a conveying path (3), ignited and transported past windboxes (6) arranged in conveying direction (F) up to a materi...  
WO/2013/010629A1
The instant invention relates to a binder composition for pelletization of fine mineral particles comprising a) at least one colloid agent which exerts a cohesive force on the mineral particles forming the pellets, and b) at least one sy...  
WO/2013/001365A3
The present invention relates to the biologically catalyzed, anaerobic generation of sulfide species as sulphide, hydrosulfide or hydrogen sulfide in anaerobic bioreactors from the reduction of tetravalent sulfur derived from one or more...  
WO/2013/002376A1
The present invention addresses the problem of providing a process for producing a reclaimed alloy material by effectively removing carbon from a carbon-containing alloy which generates as scraps or sludge of R-Fe-B permanent magnets or ...  
WO/2012/176019A1
This invention is related to a methodology to determine flotation performance of sulphide ores. The objective of this invention is to develop a quantitative measure of surface oxidation to estimate flotation behavior of sulphide ores. 10...  
WO/2012/175770A3
The invention relates to a composition for manufacturing Mn tablets, characterized in that it includes: (a) between 70% and 99.5% by weight of Mn powder; (b) a first powder binder chosen from at least one organic polymer that is insolubl...  

Matches 301 - 350 out of 13,319