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Matches 301 - 350 out of 13,530

Document Document Title
WO/2014/129282A1
Provided is a method in which, when manufacturing reduced iron by heating an agglomerate, the yield of the reduced iron is increased and the productivity is improved. A method for manufacturing reduced iron including: a step for agglomer...  
WO/2014/122803A1
A method for leaching gold from a gold ore containing pyrite, in which the gold leaching rate is improved without requiring the use of a highly toxic chemical substance such as cyan, thiourea, thiosulfuric acid and a halogen gas. A metho...  
WO/2014/119647A1
 Provided is a technique for increasing the yield of reduced iron, thereby improving productivity when manufacturing reduced iron by heating an agglomerate. This method for manufacturing reduced iron includes: a step in which a mixtu...  
WO/2014/115876A1
 The present invention addresses the issue of providing a method for recovering heavy rare earth elements from a subject to be processed that includes at least heavy rare earth elements and iron group elements, the method being able to...  
WO/2014/104205A1
The present invention addresses the problem of providing a method for collecting a rare earth element from a material of interest containing at least the rare earth element and an iron-group element, which can be used as a simple recycle...  
WO/2014/105679A1
A leaching promoter is utilized during the heap leaching of sulphide ores. The promoter contains a sulfide/ferrous oxidizing bacteria and a sulfide/ferrous oxidizing promoting material comprising at least one of (i) quorum sensing molecu...  
WO/2014/103397A1
Provided is a method that enables high-purity perrhenic acid to be produced from crude rhenium sulfide using a dry process. This method for producing an aqueous solution of perrhenic acid includes: 1) a step in which roasting is performe...  
WO/2014/101784A1
A method and a system for predicting a burn-through point. The method comprises: detecting the air quantity of each air box (6), and detecting smoke components of a big flue (7); calculating the effective air rate of each air box (6) acc...  
WO/2014/103398A1
Provided is a method that enables high-purity perrhenic acid to be produced from crude rhenium sulfide using a dry process. This method for producing an aqueous solution of perrhenic acid includes: 1) a step in which a first roasting is ...  
WO/2014/098491A1
The present invention relates to a method for reusing an iron-containing by-product and an apparatus therefor and, more specifically, to a method for reusing an iron-containing by-product, comprising the steps of forming a briquette by m...  
WO/2014/098300A1
The present invention relates to a reduced-iron production method and production device, and, more specifically, relates to a reduced-iron production method and production device whereby reduced iron having an outstanding rate of reducti...  
WO/2014/094063A1
A method and an apparatus for treating a mined material to facilitate subsequent processing of the mined material are disclosed. The method includes the steps of: (a) determining whether fragments in a feed mined material are amenable to...  
WO/2014/096481A1
The present invention relates to a recycling process for recycling granulated metallic materials containing surface impurities combining a subprocess 1 and a subprocess 2, where the contaminating material is partially removed in subproce...  
WO/2014/094058A1
A recovery process for valuable components in mined material includes fracturing ore fragments by one of an electro fracturing technique or electromagnetic radiation technique at a fracture station and treating fractured ore fragments in...  
WO/2014/096545A1
The invention relates to a method for leaching the metals while granulating molten matte, comprising the steps of feeding a molten matte as a falling stream into a granulation chamber (30), spraying a liquid jet on the stream of molten m...  
WO/2014/088184A1
Provided is an apparatus for separating plate-shaped HBI particles, which is capable of flexibly handling variations in workload according to the production volume and prevents the spaces between rotors from becoming clogged by the HBI d...  
WO/2014/083587A1
This invention is characterized in including: a step for pre-heating stand material; a step for depositing a weld metal by buildup welding on each surface of a part with a reduced thickness on the side surface, the part being formed by r...  
WO/2014/085533A1
Collector compositions and methods for making and using same are provided. The collector can include one or more etheramines and one or more amidoamines. A liquid suspension or slurry comprising one or more particulates can be contacted ...  
WO/2014/082135A1
A method of sorting fragments of mined material that includes valuable and non- valuable materials is disclosed. The method comprising heating the fragments by heating selected materials within the fragments and thermally analysing fragm...  
WO/2014/080831A1
Provided is a method for manufacturing reduced iron in which, when manufacturing reduced iron by heating an agglomerate containing an iron-oxide-containing substance and a carbonaceous reducing agent, generation of foaming during heating...  
WO/2014/080450A1
An oxygen-gas fuel supply device for a sintering machine for: drawing in and introducing to a loading layer, using a window box installed below the palette, air obtained by injecting and enriching oxygen into an atmosphere in a hood prov...  
WO/2014/066941A1
The present disclosure provides an apparatus for treatment of mined material. The apparatus comprises a source for generating electromagnetic radiation and a microwave inlet region for exposing fragments of the mined material to the elec...  
WO/2014/065240A1
Provided is a process for manufacturing reduced iron by heating agglomerates, said process being capable of enhancing the yield of reduced iron and thus improving the productivity thereof. A process for manufacturing reduced iron which i...  
WO/2014/064530A1
A method to recover gold lost in roaster calcine-leach tailings, due to the formation of cyanide refractory compounds or morphologies during the roasting process. The process can include acid leaching of magnetic concentrate from roaster...  
WO/2014/063211A1
The present invention discloses an advantageous and effective process for the concentration of iron ores, which can be fully dry or mixed, part of the process being dry, part wet, such enhancing the process efficiency as a whole by incre...  
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...  

Matches 301 - 350 out of 13,530