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Matches 301 - 350 out of 13,115

Document Document Title
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...  
WO/2012/176994A2
Provided is an anode active material for a lithium secondary battery, including silicon dioxide. Provided also is a method for preparing an anode active material for a lithium secondary battery, including carrying out mechanical pulveriz...  
WO/2012/176994A3
Provided is an anode active material for a lithium secondary battery, including silicon dioxide. Provided also is a method for preparing an anode active material for a lithium secondary battery, including carrying out mechanical pulveriz...  
WO/2012/172174A1
The invention relates to an equipment to prepare ore concentrate for pelletizing and sintering/indurating of pellets in ferroalloys production. The equipment comprises a grinder (1) arranged to grind the concentrate to a predetermined gr...  
WO/2012/172168A1
The invention relates to a method for improving the reduction degree of metal components in a chromite concentrate when smelting ferroalloy suitable for manufacturing of stainless steel. The chromite concentrate is fed together with nick...  
WO/2012/173522A1
The invention relates to the processing of complex oxide raw materials, such as natural ores, ore concentrates and similar materials, in which extractable metals are found in oxide solid solutions or oxide chemical compounds with refract...  
WO/2012/170042A1
The Inventive System disclosed herein relates to an improved system for extracting metals from ore.  
WO/2012/164976A1
A method for recovering valuable metals is provided in which the degree of oxidation of molten waste batteries is stabilized and separation between slag and an alloy is ensured. The method includes a roasting step (ST10) in which waste b...  
WO/2012/163559A1
The invention relates to methods for producing micro cracks in ore-bearing rock in preparation for heap leaching in which the ore-bearing rock as fresh material (A) is fed to material-bed grinding rolls, and comminuted into different div...  
WO/2012/159342A1
A process for extracting iron from high silicon alumohematite, comprising the following steps: (1) placing high silicon-aluminum hematite into an agitation tank for agitation with water to give an ore pulp; (2) subjecting the ore pulp to...  
WO/2012/161453A2
The sintered ore cooling device comprises: a closed loop-shaped body having an air passage for passing cooling air formed at the lower side thereof, a charging hole for a sintered ore to be charged, and an outlet separated from the charg...  
WO/2012/161452A3
The sintered ore cooling device comprises: a closed loop-shaped body having a charging hole for charging sintered ore and an outlet separated from the charge hole, for the sintered ore to be discharged; a carriage capable of moving along...  
WO/2012/161453A3
The sintered ore cooling device comprises: a closed loop-shaped body having an air passage for passing cooling air formed at the lower side thereof, a charging hole for a sintered ore to be charged, and an outlet separated from the charg...  
WO/2012/161452A2
The sintered ore cooling device comprises: a closed loop-shaped body having a charging hole for charging sintered ore and an outlet separated from the charge hole, for the sintered ore to be discharged; a carriage capable of moving along...  
WO/2012/150873A1
The invention relates to ferrous metallurgy, and specifically, to methods for preparing and subsequently processing sideritic ores. The sideritic iron ore is prepared for processing by the base ore being crushed, sifted, and decarburized...  
WO/2012/140284A8
The invention relates to a method wherein the zinc concentrate is subjected to the following steps: a. roasting at least one part of the zinc concentrate; b. neutral leaching, wherein the zinc oxide is dissolved; c. acid leaching, wherei...  
WO/2012/140284A1
The invention relates to a method wherein the zinc concentrate is subjected to the following steps: a. roasting at least one part of the zinc concentrate; b. neutral leaching, wherein the zinc oxide is dissolved; c. acid leaching, wherei...  
WO/2012/137727A1
The purpose of the present invention is to provide a method whereby rare earth elements can be separated and recovered at a higher yield than by conventional techniques. The method for separating and recovering rare earth elements, where...  
WO/2012/138059A3
The present invention relates to a briquetting device. The briquetting device includes: a pair of briquetting rolls disposed parallel to each other, wherein the pair of briquetting rolls rotate from the outside to the inside so as to com...  
WO/2012/138059A2
The present invention relates to a briquetting device. The briquetting device includes: a pair of briquetting rolls disposed parallel to each other, wherein the pair of briquetting rolls rotate from the outside to the inside so as to com...  
WO/2012/132521A1
The present invention addresses the problem of providing: a method for modifying a slurry of coal and/or iron ore and thereby lowering the flowability of the sediment (i.e., the slurry) more easily; and a raw material manufacturing proce...  
WO/2012/132962A1
A tantalum recovery method which with which it is possible to recover tantalum from waste containing relatively large quantities of copper and tungsten, such as discarded boards, including printed circuit boards in particular. Therein, m...  
WO/2012/127132A1
The invention relates to a method for agglomerating a mixture including metal dust and a binder, and to a device for carrying out the method, said method including a step of pressing the mixture, the pressing including pressing by means ...  
WO/2012/113980A1
The invention relates to a method for roasting nickel sulphide produced by precipitation into nickel oxide in a fluidized bed furnace. The precipitated, very fine-grained nickel sulphide precipitateis micropelletized and the micropellet-...  
WO/2012/112585A2
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/2012/111693A1
Provided is a method for improving the recovery rate of valuable metals such as cobalt when drying the battery waste of lithium ion batteries and the like. A second alloy excellent in terms of iron-cobalt separation performance and conta...  
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...  

Matches 301 - 350 out of 13,115