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Matches 301 - 350 out of 13,468

Document Document Title
WO/2014/057922A1
Provided is a method whereby rare earth elements can be separated from a rare earth magnet in a simple manner with a high separation rate, and a separating device for carrying out said method. The rare earth element separation method acc...  
WO/2014/048385A1
Provided is a method for comprehensively recovering rare earth and fluorine in the bastnaesite treatment process, the method comprising: oxidizing and roasting the bastnaesite, using hydrochloric acid to leach the roasted mixture, adding...  
WO/2014/044992A1
The invention relates to a method comprising the steps of: a) collecting dust by filtering (12) the gases leaving a scrap smelting furnace; b) preparing (14) a mixture containing a first fraction of dust collected in step (a), a carbon s...  
WO/2014/045839A1
Provided is a reduced iron cooling method and a reduced iron cooling device that is capable of cooling reduced iron uniformly with a simple structure, requires no sliding parts in the configuration, has a smaller case volume than convent...  
WO/2014/043205A1
Processing byproduct material from a direct reduction process of iron ore to reclaim iron and other materials from the byproduct. The systems and methods employ gravity separation tables to separate the iron from other byproduct material...  
WO/2014/042136A1
Provided is a method that uses a minimal amount of acid or alkali, involves a simple process, is inexpensive to operate, and can separate out and recover lithium, cobalt, or the like with high yield. After vacuum-baking, pulverization, a...  
WO/2014/038236A1
The present invention improves the leaching speed of gold while also inhibiting the generation of sulfur dioxide in a method for leaching gold from gold ore containing pyrite without using highly poisonous chemicals such as cyanogen, thi...  
WO/2014/034589A1
Provided is a method which is capable of improving the yield of reduced iron agglomerates having large particle diameters when reduced iron agglomerates are produced by heating, in a moving hearth type heating furnace, agglomerates of a ...  
WO/2014/031013A3
The invention relates to a method for obtaining treated dolomite for use as a remediation agent for the neutralisation and adsorption treatment of mining and metallurgical effluents and mine water, said method consisting of the following...  
WO/2014/031014A3
The invention relates to a neutralisation and adsorption method using untreated or treated dolomite, intended for mining effluent, metallurgical effluent and mine water, said method comprising a neutralisation and adsorption method using...  
WO/2014/030048A1
A process of extracting copper from copper sulphide minerals which is enhanced at solution potentials exceeding 700 mV SHE, in the absence of any microorganism, by contacting the minerals in a pre-treatment phase using an acid solution a...  
WO/2014/025269A1
A method for reprocessing aluminium or aluminium alloys scrap consisting in that the aluminium scrap is pre-shredded and cleaned in the course of a pyrolysis process in order to remove unwanted substances; next, immediately after the com...  
WO/2014/025904A2
Method of combining industrial processes having inherent carbon capture and conversion capabilities offering maximum flexibility, efficiency, and economics while enabling environmentally and sustainably sound practices. Maximum chemical ...  
WO/2014/021473A1
The first purpose of the present invention is to provide a method for producing metallic iron, whereby, in the production of metallic iron by heating an agglomerate, which comprises an iron oxide-containing material and a carbonaceous re...  
WO/2014/020958A1
[Purpose] To provide a system for recycling a coated electric wire, the system being constituted of the following: a continuous carbonization device for pyrolyzing a coated electric wire by using an electric heater, microwave irradiation...  
WO/2014/015403A1
The present invention describes an advantageous and effective streamlined process for the production of iron ore pellets, the green pellets replacing the burnt pellets for covering the metallic surface in "travelling grate" furnace durin...  
WO/2014/015402A1
The present invention discloses a new recovery of base metals from sulphide ores and concentrates, which comprises mixing the base metal's ore with ferric salts, heating the said mixture; adding water to form a pulp, stirring and filteri...  
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...  

Matches 301 - 350 out of 13,468