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Patent Searching and Data


Matches 301 - 350 out of 12,945

Document Document Title
WO/2012/112585A3
There are provided methods, systems and processes for forming cold bonded agglomerates in the form of pellets, briquettes or compacts from iron oxide materials, such as iron ore concentrates. The cold bonded agglomerates have sufficient ...  
WO/2012/110239A1
The invention relates to a method for detaching coatings from scrap (3), wherein the scrap (3) is brought into contact with a liquid and, when detaching the coating, the scrap (3) is moved in a conveying trough (2) of a vibrating conveyo...  
WO/2012/111690A1
Provided is a method for stabilizing the degree of oxidation of molten battery waste, and definitively separating slag and alloy. The method is provided with a pre-oxidation step (ST20) for roasting and oxidizing battery waste; and a dry...  
WO/2012/107027A1
The invention relates to methods and devices for breaking up ore. The methods and devices are characterised in particular in that ore mineral or ore minerals can be subsequently easily extracted. For this purpose coherent NIR radiation, ...  
WO/2012/104806A1
This invention relates to a process in which a Platinum Group Metal (PGM)-rich residue from a BMR (Base Metals Refinery) process is subjected to a high temperature roast to remove contaminants, typically volatile elements (for example Se...  
WO/2012/101478A1
A method of mineral fuel beneficiation with subsequent delivery to the consumer by pipeline transportation relates fuel and energy complex and can find application in coal and slate energetics. Invention main objective is security of sol...  
WO/2012/093280A3
Systems and methods for processing sludge from a fume scrubbing system that scrubs fumes from a steelmaking converter in a manner that separates/isolates a significant portion of the metallic iron particles in the sludge and prepares the...  
WO/2012/093170A1
The main subject-matter of the present invention is a process for the dissolution of at least one element chosen from niobium and tantalum and at least one other element chosen from uranium and the rare earth elements, advantageously for...  
WO/2012/086440A1
Provided is a rare earth magnet recovery method, which enables the recovery of a resin-free rare earth magnet from a product containing the rare earth magnet that is integrated with a resin. In the recovery of a rare earth magnet from a ...  
WO/2012/080558A1
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 compri...  
WO/2012/066899A1
Provided is a technique which makes production of reduced iron with a per-piece crushing load of 80kgf or greater achievable. In this production method for reduced iron, when heating an agglomerate containing an iron oxide-containing sub...  
WO/2012/063466A1
An exhaust gas discharged from a facility for sintering iron ore in an iron making process or the like is subjected to a dust removal treatment and is subsequently heated by means of an exhaust gas heating burner (5), any nitrogen oxide ...  
WO/2012/057687A1
This invention concerns a method for the oxidation and sintering of pellets 1 arranged in a compartment 2 in which the oxidation and sintering take place with the aid of a medium with a defined temperature, which medium heats the pellets...  
WO/2012/055394A3
Apparatus (1) for separating materials having different states of aggregation, specifically for solid-liquid separation, wherein provision is made of a device (2) for receiving a mixture of the materials having different states of aggreg...  
WO/2012/057593A1
The invention relates to the production of ferroalloys, and specifically to methods for producing high-carbon ferrochrome in an ore-reducing electric furnace. The problem to be solved is the involvement in the production process of mater...  
WO/2012/057685A1
This invention concerns a method for the heating of a medium in a compartment 1 in which pellets 2 are arranged to be oxidised and sintered with the aid of the hot medium. The method comprises the introduction of a first medium 3 into th...  
WO/2012/057686A1
This invention concerns a method during the oxidation and sintering of pellets (1 ) arranged in a compartment (2) in which the sintering takes place with the aid of a medium with a high temperature, which medium heats the pellets (1 ). T...  
WO/2012/053614A1
A copper concentrate treatment method characterized by comprising: a roasting step of roasting an enargite (Cu3AsS4) or a copper concentrate mainly composed of an enargite at 550-700°C in an inert gas atmosphere; and a leaching step of ...  
WO/2012/053915A1
The present invention relates to a process of gold and copper recovery from gold-containing copper ores obtained from mixed oxide-sulfide copper ore bodies by a series of flotation stages. More specifically, the present invention relates...  
WO/2012/049974A1
This process for producing reduced iron comprises: a kneading step of adding water having a temperature of 60-90˚C inclusive to a mixture comprising a powdery iron oxide raw material and a powdery reducing material and kneading the resu...  
WO/2012/047041A2
Disclosed are fine direct reduced irons containing iron carbide and a preparation apparatus thereof. The fine direct reduced irons containing iron carbide of the present invention contains 20-30 wt% of iron carbide by reducing poorly red...  
WO/2012/047041A3
Disclosed are fine direct reduced irons containing iron carbide and a preparation apparatus thereof. The fine direct reduced irons containing iron carbide of the present invention contains 20-30 wt% of iron carbide by reducing poorly red...  
WO/2012/046848A1
This process for producing granules of an iron ore raw material involves a step of adding 0.01-10 parts by mass of a polymeric surfactant having both a hydrophobic group and an acidic functional group and having a molecular weight of 100...  
WO/2012/038602A1
The invention relates to a method and equipment for the continuous sintering of mineral material in a sintering furnace (S). In the method, a material bed (2) is formed on a conveyor base (1), the material bed (2) is conveyed by the conv...  
WO/2012/038603A1
The invention relates to a method and equipment for starting up a strand sintering furnace (1). During start-up, the sintering furnace is heated in order to create suitable production temperatures in the different process zones (I-VII) h...  
WO/2012/034179A1
A mining operation for producing a product of a required customer specification includes at least one mine, a shipping facility for shipping a product produced from material mined at the mine to a customer specification, and a transporta...  
WO/2012/034255A1
A method for extracting gold coated by gangue comprises the following steps: grinding and classifying gold ore to obtain ore pulp; oxidizing and decomposing sulphide minerals and gangue in the ore pulp to fully expose and dissociate gold...  
WO/2012/034180A1
A method of blending mined and/or stockpiled material from different sections of one mine and/or from more than one mine includes dry sorting mined and/or stockpiled material and producing an upgraded material, and blending the upgraded ...  
WO/2012/032073A1
The invention relates to an annular machine for the thermal treatment of solids, in particular for producing pellets from iron ore, comprising a plurality of gas-permeable gratings (1a, 1b) which are supported by a support structure (2a-...  
WO/2012/032927A1
In the invention, a cementite-containing product is produced by heating an iron oxide-containing substance, a carbonaceous reducing agent and an oxidizing agent at 400-900°C. Reduced iron is then produced by heating an agglomerate conta...  
WO/2012/031379A1
A method for extracting gold through low-temperature roasting is provided. The method includes the following steps: feeding the material to be roasted into a roasting furnace through feeder, uniformly supplying gas for the material layer...  
WO/2012/032256A1
The invention relates to a method for recycling dust from electric steel plants, originating from the furnaces of secondary-smelting electric steel plants, in which a portion of the dust collected after smelting in the electric furnace i...  
WO/2012/029947A1
The purpose of the present invention is to provide a rotary hearth furnace exhaust gas duct apparatus which produces reduced iron or granular metal iron by heating a raw material containing a carbonaceous reduction material and an iron o...  
WO/2012/026542A1
In the present invention: water and a sufficient quantity of a binder (D) for caking a metal oxide (A), which is the main component, and a carbonaceous material (B), are added to a powdered raw material (C) containing the metal oxide (A)...  
WO/2012/019216A1
A composite product and a method of manufacturing the composite product are disclosed. The composite product includes (a) a polymeric material binder and a metal- bearing material or (b) the polymeric material binder and a carbon-bearing...  
WO/2012/016286A1
An apparatus for sorting mined material, such as mined ore, includes an applicator for exposing fragments of a material to electromagnetic radiation and an assembly for distributing fragments from the applicator so that the fragments mov...  
WO/2012/014685A1
Provided are: a process for producing ferronickel from a nickel sulfide material produced by a wet refining of a lateritic nickel ore or a scrap or a work-in-process material or from a mixed sulfide material containing nickel and cobalt....  
WO/2012/015066A1
Provided is an advantageous method for producing a starting material for sintering, wherein it is possible to improve productivity compared to conventional methods by effectively using ultrafine limestone powder and high-carbon dust duri...  
WO/2012/015063A1
Provided is a method for producing a starting material for sintering, wherein it is possible to improve productivity compared to conventional methods by effectively using ultrafine limestone powder and high-carbon dust during the process...  
WO/2012/015065A1
Provided is a method for producing a starting material for sintering, wherein it is possible to improve productivity compared to conventional methods by effectively using high-carbon dust during the process in which the surfaces of preli...  
WO/2012/015067A1
Provided is a method for producing a starting material for sintering, wherein it is possible to improve productivity compared to conventional methods by effectively using high-carbon dust during the process in which the surface of pseudo...  
WO/2012/010254A1
The invention relates to a method for agglomerating residual substances, in particular scale and mill scale, containing iron oxide, wherein the residual substances and paper sludge are dried and comminuted and agglomerates are produced f...  
WO/2012/007277A1
A cooling device for hot bulk material (1) has a cooling tower (2) with a vertical main axis (3), said hot bulk material (1) being cooled in the cooling tower by means of a gas flow (4). The device has a feeding device (5) by means of wh...  
WO/2012/006660A1
A method for the pyrometallurgical processing of nickel-containing material using a fluxing composition comprising calcium.  
WO/2012/004284A2
The instant invention discloses a method for the valorization of spent catalyst from hydrocarbon processing slurry reactors as well as slurry flakes.  
WO/2012/004284A3
The instant invention discloses a method for the valorization of spent catalyst from hydrocarbon processing slurry reactors as well as slurry flakes.  
WO/2012/002338A1
A process for producing a molten steel (G) is disclosed in which particulate metallic iron can be more efficiently melted. The process includes the step of melting, in an electric arc furnace (2), all charge for iron which comprises: par...  
WO/2011/161597A1
A process for upgrading a precious metals-containing concentrate or residue results in near-quantitave removal of base metals and several impurity elements at elevated temperatures. The precious metals- containing concentrate or residue ...  
WO/2011/158338A1
Provided is a green pellet (10) which comprises: an inner core layer (11) containing an iron oxide-containing starting material, a carbonaceous material for reduction, and a slag-forming agent; and a coating layer (12) disposed so as to ...  
WO/2011/155417A1
Disclosed is a granular metal production method that further increases granular metal productivity, wherein agglomerates containing a metal oxide and a carbonaceous reducing agent are heated to reduce and melt the metal oxide contained i...  

Matches 301 - 350 out of 12,945