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WO/2015/091528A1 |
The present invention relates to a pelletization of fine-grained ore particles with the following steps: a) mixing the ore particles with water to which surface-active sub¬ stances have been added, b) adding a binder and at least one ag...
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WO/2015/092138A1 |
To produce manganese containing ferroalloy for steel production, an agglomeration mixture is produced which comprises chromite ore concentrate and manganese ore fines with a grain size smaller than 6-9 mm. The mixture is agglomerated to ...
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WO/2015/088494A1 |
An apparatus and a method for removing metal from complex materials in a reactor chamber by using a plasma torch in a first opening of the chamber and a second opening near the first opening for entry of complex material and earner gas, ...
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WO/2015/086060A1 |
The present invention provides a method of producing metal oxide(s) by sulfatizing a sulfide-free ore and/or concentrate comprising the steps of providing a sulfide-free ore and/or concentrate comprising sulfide-free mineral(s); and cont...
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WO/2015/087959A1 |
Provided is a device for producing partially reduced iron, with which partially reduced iron having a prescribed reduction ratio can be produced efficiently. The present invention is equipped with: CO sensors (71a-71d) that detect the ca...
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WO/2015/086061A1 |
The invention relates to a method and an arrangement for removing arsenic from pyrite-free minerals, such as cole- manite and howlite. The method comprises roasting the pyrite-free material at a temperature of less than 900°C in reducin...
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WO/2015/081372A2 |
A method of agglomerating mined ore for use in a heap leaching process includes exposing ore fragments to electromagnetic radiation and causing fractures to form in the fragments and thereafter agglomerating fragments.
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WO/2015/081775A1 |
A method for comprehensively using high-chromium-content vanadium-titanium magnetite concentrate comprises the following steps: 1) mixing high-chromium-content vanadium-titanium magnetite concentrate with a carbonaceous reducing agent an...
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WO/2015/080326A1 |
The present invention relates to a method for pretreating copper-containing molybdenite and, more particularly, to a method for pretreating copper-containing molybdenite comprising the steps of: mixing copper-containing molybdenite with ...
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WO/2015/077817A1 |
The present disclosure provides a method of treating particles of mined material with electromagnetic radiation. The method comprises forming a blend of a distribution of courser particles of the mined material and a distribution of fine...
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WO/2015/078493A1 |
The present invention provides a method of pre-treating sulfur-poor metal oxide concentrate, comprising the steps of: providing sulfur-poor metal oxide concentrate having sulfur content below 10 % w/w; (a) heating the sulfur-poor metal o...
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WO/2015/061879A1 |
A method for increasing the porosity of a metal bearing ore is provided, the method including exposing the metal bearing ore to an oscillating magnetic field, wherein the frequency of oscillation of the oscillating magnetic field is grea...
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WO/2015/058239A1 |
Disclosed herein, is a process for recovering- valuable metals and/or their oxides from red mud bauxite residues or similar. The process comprises: calcining a red mud residue having a pH of less than about 10 to provide a calcinated red...
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WO/2015/058257A1 |
ABSTRACT A method for treating a mineral composition containing iron, arsenic or other Group VA compounds comprises milling the mineral composition to a particle size of P80 of less than 25 µm and leaching the mineral composition in the...
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WO/2015/060792A1 |
The object of the invention is the binder for compacting bulk material and the method of use of the binder, which solve the technical problems of: - compacting and pelleting bulk materials; - reducing the ratio of external surface of mat...
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WO/2015/056198A2 |
A process for upgrading waste powders of the mining industry containing iron oxides is described, which comprises the steps of preparing a mixture comprising powder based on iron oxides, an aqueous dispersion of a thermosetting resin and...
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WO/2015/048996A1 |
A method for the treatment of flue dusts containing arsenic and/or antimony from pyrometallurgical methods, wherein a reducing agent is added to the flue dusts, the flue dusts are heated together with the reducing agent, and volatile com...
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WO/2015/043721A1 |
The invention relates to a method for obtaining or recovering hydrochloric acid from metal-containing solutions of hydrochloric acid by treatment by pyrohydrolysis and subsequent absorption or condensation of the gaseous hydrogen chlorid...
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WO/2015/045670A1 |
Provided is a method for manufacturing granular iron, the method being capable of improving the quality of the granular iron by preventing re-oxidation of reduced iron obtained by heating and reducing agglomerates or of granular iron obt...
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WO/2015/041064A1 |
Provided is a production method in which iron oxide (hematite) having a sulfur content that is low enough to make it possible to use said iron oxide as a starting material for iron production is purified from a leaching residue containin...
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WO/2015/036139A1 |
The invention relates to a method and a device for producing granulates (1) which are obtained by combining the following method steps: the raw materials (2) and optionally additives (6) are intensively mixed by adding water (3) to form ...
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WO/2015/037220A1 |
Provided is a method by which it is possible to produce, with high productivity, a strong sintered mineral having stable quality by using nickel ore containing impurities, the sintered mineral having exceptional workability. The sintered...
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WO/2015/026841A1 |
A method for processing low grade iron ores includes a step of receiving iron ore tailings. The method further includes separating the iron ore tailings into two or more groups based on sizes of the iron ore tailings. Each group includes...
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WO/2015/025645A1 |
Provided is a briquetting machine capable of producing a granulated product of stable good quality even with fluctuation in the granulation. This briquetting machine has: a granulating unit that comprises a pair of rollers (1) that rotat...
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WO/2015/022901A1 |
Provided is a method for the recycling-processing of dust generated in a converter furnace, whereby it becomes possible to process and collect the dust at low cost and within a short time and to return the collected dust to a converter f...
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WO/2015/018438A1 |
Burner assembly and method for combustion of gaseous of liquid fuel The invention relates to a burner assembly (1) and a method for combustion of gaseous or liquid fuel to heat an industrial furnace (9) having a combustion chamber (2), a...
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WO/2015/016145A1 |
A raw material for direct reduction applications is to be reduced in a shaft furnace, and comprises: a raw material; and a coating layer that coats the periphery of the raw material and has a porous structure having a porosity of 20 vol%...
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WO/2015/015250A1 |
The present invention relates to a process for the partial oxidation of unagglomerated chromite ore and to the use of the claimed process in currently applied ferrochromium production processes. According to a first aspect thereof, the p...
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WO/2015/010667A1 |
The solution according to invention consists in a plasma-chemical method for dissolving bulk Iridium metal and/or Iridium alloy in hydrochloric acid, comprising following steps a) providing an electrolytic cell divided into the compartme...
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WO/2015/011981A1 |
Provided is a method for manufacturing briquettes through pelletization such that a fine iron oxide-containing powder wherein 50% of particles are 2 μm or smaller can be utilized as starting material for iron manufacture. Another purpos...
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WO/2015/008274A1 |
Underwater gas pressurization units and liquefaction systems, as well as pressurization and liquefaction methods are provided. Gas is compressed hydraulically in vessels that are used to reach a high compression ratio that lowers the liq...
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WO/2015/007661A1 |
Composition comprising at least one calcium-magnesium compound corresponding to the formula aCaCO3.bMgCO3.xCaO.yMgO.zCa(OH)2.tMg(OH)2.uI, in which I represents impurities, a, b, z, t and u being mass fractions each ≥ 0 and ≤ 50%, x a...
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WO/2015/006796A1 |
A method of treating non-magnetic iron-bearing material to form an iron-rich component that is separable from a gangue-rich component is disclosed. The method comprises treating the iron-bearing material by roasting the material under re...
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WO/2015/007649A1 |
In a method for recovering a copper sulfide concentrate by froth flotation from an ore containing an iron sulfide, wet grinding of the ore with grinding media made of high chromium cast iron alloy having a chromium content of from 10 to ...
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WO/2015/005190A1 |
Small coke lumps forming the carbon material core and having a particle diameter of 3-15 mm, iron ore powder forming an outer layer and having a particle diameter of no more than 250 µm, and a CaO-containing raw material are inserted in...
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WO/2015/005187A1 |
Provided is a method for producing reduced iron by heating an agglomerated material comprising a substance containing iron oxide and a carbonaceous reducing agent in a shifting furnace hearth-type heating furnace, said method enabling th...
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WO/2015/005218A1 |
[Problem] To granulate adequate quasi-particles which can be used as a compounding raw material for use in the production of a sintered ore, while preventing the production of coarse granulated particles (quasi-particles) having irregula...
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WO/2015/001893A1 |
In the present invention, proposed is a separation method for a leaching residue from which can be obtained a hematite-containing substance that can be used as an iron manufacturing-use starting material, and provided is a production met...
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WO/2015/002720A1 |
Grinding aid compositions comprising hydrolyzed starches, such as dextrin, maltodextrin or corn syrup solids. The grinding aid compositions are typically added to various mineral ore slurries prior to grinding operations to affect the rh...
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WO/2014/208504A1 |
The present invention pertains to a production method for low-sulfur iron ore, wherein iron ore containing in excess of 0.08% but no more than 2% of sulfur is subjected to flotation, producing iron ore in which the sulfur content has bee...
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WO/2014/203895A1 |
Provided is a method for efficiently recovering various types of metal, including rare metals, noble metals and other metals, from waste electronic substrates. This method of recovering metal from waste electronic substrates involves: a ...
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WO/2014/194568A1 |
Disclosed is a comprehensive utilisation method for high-temperature slag balls exiting a rotary kiln in a kiln process for the production of phosphoric acid, comprising a rotary kiln, a cooling device and a drier for composite green pel...
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WO/2014/190391A1 |
A process for producing and reducing an iron ore briquette, the process comprising the steps of: a. combining together a comminuted iron bearing material, a comminuted carbonaceous material, a fluxing material and a primary binder materi...
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WO/2014/192874A1 |
The present invention addresses the problem of providing a method by which it is possible to efficiently recover rare earth elements from a substance to be treated that includes at least a rare earth element and an iron group element, an...
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WO/2014/183807A1 |
The invention relates to a method and a recovery system for obtaining raw materials from ores and/or ore tailings, in particular a method and a recovery system for recovering metals from ores and/or ore tailings, especially a method and ...
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WO/2014/183511A1 |
A method for processing vanadium-titanium magnetite finished ores by using a wet process. The method comprises the steps: extracting vanadium from vanadium-titanium magnetite finished ores and processing, by using the vanadium extraction...
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WO/2014/184816A1 |
The invention relates to a process for the treatment of photovoltaic end-of-life panels, such as those made of CdTe and crystalline and amorphous silicon. The process involves automated physical and chemical operations that, combined in ...
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WO/2014/183808A1 |
The invention relates to a method and a recovery system for obtaining/recovering metallic iron and/or iron compounds, in particular iron chloride, from ores and/or ore tailings, especially from pyrite tailings, preferably from roasted py...
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WO/2014/182693A1 |
An alkali metal ion source with a moderate rate of release of the ion (e.g. potassium) is formed by a method that includes: 1) combining an particulate ore that contains at least one of an alkali metal ion-bearing framework silicate (e.g...
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WO/2014/174165A1 |
The invention relates to a method for loading the hold of an ore carrier with loose ore, according to which the hold is loaded, consecutively, with a portion of the ore treated by means of a superabsorbent polymer (SAP) and a portion of ...
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