Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 13,802

Document Document Title
WO/2019/074817A1
Oxygen is injected into the windbox of a fluidized bed ore roaster to form a fluidizing and oxidizing gas stream of elevated oxygen content which is fed into only the feed zone into which the ore to be fluidized is fed.  
WO/2019/067433A1
Disclosed herein are methods and compositions for increasing the alumina content of a bauxite ore prior to alumina extraction by an extractive process, such as the Bayer process. By adding a beneficiation agent to an aqueous ore slurry, ...  
WO/2019/053148A1
The invention relates to a method for extracting at least one metal contained in a sample comprising a mixture of metal salts from at least two different metals, comprising the successive steps of: a) contacting the sample, in a grinding...  
WO/2019/052680A1
The invention relates to a treatment device (1) and a method for removing coatings, comprising a vibratory conveyor (2) with a conveying channel (3), which is designed in the manner of a trough, in order to form a treatment bath (4) with...  
WO/2019/055960A1
Bauxite grinding compositions that can significantly reduce the viscosity of bauxite slurry, which allow alumina refinery plants to increase throughput of bauxite grinding or pre-desilication. Described are processes to improve the grind...  
WO/2019/043261A1
The present application relates to a process for the purification of waste materials or industrial by-products, the process comprising the steps of: a) Preparing a composition (C) by blending or mixing waste materials or industrial by-pr...  
WO/2019/043244A1
A process is described for the recovery of the chemical components of the "black paste" resulting from the opening of dead alkaline and zinc-carbon batteries.  
WO/2019/034859A1
A briquette comprising:(i) a particulate material; and (ii) graphene and/or a derivative thereof.A method for producing the briquette comprising: (i) mixing the particulate material, with the graphene and/or derivative thereof; (ii) comp...  
WO/2019/033187A1
The present invention patent pertains to the iron-ore treatment sector and relates to a process of cold pelletization of iron-ore fines with mixture flexibility, with a grain size range of zero to 6.4 mm, said fines being inevitably gene...  
WO/2019/028497A1
A process is disclosed for the recovery of a metal from a pyrite-bearing material. The process comprises thermally decomposing the pyrite-bearing material so as to produce a material comprising pyrrhotite (FeS). The process also comprise...  
WO/2019/029918A1
The invention relates to a method for treating magnesite, a sintered magnesia produced by the method, and a sintered, refractory ceramic product produced by the method.  
WO/2019/027107A1
The present invention relates to a sintering apparatus and a sintering method using the same and, more specifically, to a sintering apparatus capable of controlling a combustion process of a raw material, thereby improving the quality an...  
WO/2019/026978A1
This method for dissolving a lithium compound comprises bringing a lithium compound into contact with water or an acid solution and supplying carbonate ions to the water or acid solution to generate carbonic acid, and reacting the lithiu...  
WO/2019/022555A1
The present invention provides a method for selective recovery of a valuable metal from a waste denitrification catalyst through alkali fusion, the method comprising the steps of: (a) adding an alkali metal to a waste denitrification cat...  
WO/2019/015519A1
A method and system for treatment of rare earth concentrate. The method comprises: (1) mixing rare earth concentrate with concentrated sulfuric acid to obtain a mixed slurry and a first fluorine-containing gas; (2) mixing the mixed slurr...  
WO/2019/015518A1
Provided is an apparatus for continuous decomposition of rare earth concentrate. The apparatus comprises: a body, which has a feed port, two liquid feeding ports, and two tail gas outlets at the top and two discharge ports at the bottom,...  
WO/2019/015478A1
A belt roaster, comprising a pair of airflow blocking plates and an ash container, wherein, the pair of airflow blocking plates are provided at both sides of a car of a belt apparatus air blast drying section, the ash container is provid...  
WO/2019/009289A1
Provided is a method for producing sintered ore the overall strength of which is improved by partially removing a portion having low strength. In the method for producing sintered ore, impact force is applied to sintered ore (1) after pr...  
WO/2019/006545A1
A method is disclosed for the oxidation and thermal decomposition of metal chlorides, leading to an efficient and effective separation of nuisance elements such as iron and aluminium from value metals such as copper and nickel. In the fi...  
WO/2019/008962A1
Provided is an ore dressing method capable of efficiently separating copper ore from molybdenum ore. The ore dressing method is provided with: a conditioning step for adding a sulfite as a surface treatment agent to an ore slurry compris...  
WO/2019/006568A1
The present invention relates to a method for extracting base and precious metals, all contained in refractory minerals, using aqueous media. The aim is to replace the current "flotation/smelting"· method for extracting minerals in Chil...  
WO/2019/008675A1
Provided is a carbon material interior ore that can be efficiently produced. The carbon material interior ore is produced without baking by adding an organic binder to an iron oxide-containing feedstock and a carbon material, adjusting t...  
WO/2019/001181A1
A blast furnace smelting method for high-grade, vanadium rich, chromium-bearing vanadium-titanium magnetite (CVTM) concentrate. The method is carried out according to the following steps : (1) mixing high-grade, vanadium rich, CVTM conce...  
WO/2019/001180A1
A method for preparing sintered ore from a high-grade, vanadium rich, chromium-bearing vanadium–titanium magnetite (CVTM) concentrate mixture. The method comprises the following steps: (1) preparing high-grade, vanadium rich, CVTM conc...  
WO/2018/234855A1
This invention relates to an integrated process for recovering value metals from sulphide ore which includes the steps of bulk sorting 16 and screening 24/28 crushed ore. The sorted/screened coarse ore stream is ground and classified 20 ...  
WO/2018/234300A1
The invention relates to the use of pellets comprising one or more thermoplastic material(s) of more than 40%, based on the total dry weight of the pellets and one or more cellulosic material(s) of more than 20%, based on the total dry w...  
WO/2018/232438A1
The invention provides an integrated separator system for the preconcentration of a material comprising one or more grizzly bars and one or more electrodes which provide a high voltage pulse (HVP) discharge to the material. The invention...  
WO/2018/228156A1
A high-vanadium and high-chromium type vanadium-titanium magnetite pellet, relating to the technical field of blast-furnace smelting in a high-vanadium and high-chromium type vanadium-titanium magnetite comprehensive utilization method. ...  
WO/2018/228155A1
A preparation method for high-vanadium high-chromium type vanadium titanium magnetite pellets, comprising: performing wet-grinding on the imported high-vanadium high-chromium type vanadium titanium magnetite; compounding according to the...  
WO/2018/219417A1
A method and device are proposed for extracting molybdenum from low-grade crude ore by means of low-temperature chlorination, in which finely dispersed molybdenum-containing ore materials are chlorinated at 220-250°С by chlorine gas, f...  
WO/2018/218134A1
A cyclone temperature control system for a cyclone of a decoating system includes a controller, a gas mover, and a control valve that is movable between a fully open position and a closed position. A method of controlling the temperature...  
WO/2018/215327A1
The invention concerns a method of operating a sinter plant, wherein a sinter mix is fired in a sintering machine (10), the method comprising the steps of: a) crushing fired sinter to below an upper particle size limit; b) screening the ...  
WO/2018/218131A1
A decoating system includes a dust cyclone and cooled conveyor. The dust cyclone is configured to receive an exhaust gas from a decoating kiln, filter organic particulate matter from the exhaust gas as dust, and discharge the dust at a d...  
WO/2018/215328A1
A sinter cooling system comprises a ring shaped tank (12) configured to receive hot sinter from an upper charge opening (18) and to discharge cooled sinter through a lower discharge opening; rotary drive means (14) for rotating the ring ...  
WO/2018/218113A1
A cooling system for a decoating system may include a kiln sprayer configured to selectively inject a coolant into the kiln to control a temperature of a gas within the kiln. The cooling system may also include a return sprayer configure...  
WO/2018/207131A1
Bag house dust is combined with a carbon source and shaped into pellets or briquettes and used to recycle valuable metals present in the bag house dust.  
WO/2018/204773A1
Examples herein generally relate to sinter blend compositions for use in a sintering process that do not contain coke breeze (0.0% coke breeze), or contain only very small amounts of coke breeze. In particular, these sinter blend composi...  
WO/2018/198980A1
The purpose of the present invention is to control sintering variations in a sintering machine and manufacture sintered ore with high strength and a high clump yield. Provided is a method for manufacturing sintered ore by placing sinteri...  
WO/2018/196667A1
A method for manufacturing a weight plate having a fixed weight for a dumbbell comprises: performing, by means of a machine, cutting on waste iron scraps to obtain substantially uniform waste iron scraps; forming an iron plate by placing...  
WO/2018/193243A1
The application describes pellets comprising particulate iron ore and between 0.05 and 1.0% by weight of an organic binder. The use of such pellets in electric arc furnaces to produce steel is also described.  
WO/2018/192441A1
A method for use in producing battery-grade vanadium oxide, comprising the following steps: A. adding a vanadium-containing leaching solution into a mixed solution of ammonium carbonate, ammonia water and ammonium sulfate, stirring to pr...  
WO/2018/194165A1
Provided is a smelting method whereby reduction by a carbonaceous reducing agent is performed to obtain a reduced substance using as a raw material a nickel oxide ore or other metal oxide containing oxidized nickel or the like, for examp...  
WO/2018/194014A1
Provided is a method for producing a sintered ore capable of improving yield of a sintered ore in the upper part of a charge layer by increasing the proportion of a coagulating material in the upper layer of a pallet without introducing ...  
WO/2018/186066A1
The present invention relates to a method for pretreating an iron-making starting material, the method characterized in comprising at least: a step for adding a melting point depressant to an iron ore that is an iron-making starting mate...  
WO/2018/181816A1
A lithium ion battery scrap treatment method including a calcination step, a crushing step, and a sieving step, followed by: a leeching step in which Cu is leeched an acidic solution and at least some Cu remains as a solid; an Fe/Al-remo...  
WO/2018/181607A1
A lithium recovery method that, when performing a sintering step, a crushing step, and a sieving step on lithium ion battery scrap, in said order, includes between the sintering step and the crushing step, between the crushing step and t...  
WO/2018/180233A1
The purpose of the present invention is to provide a method for manufacturing a granular sintered raw material that can improve granulation properties and further be effective in improving productivity for sintered ore even when fine iro...  
WO/2018/172284A1
A process for preparing iron- and chrome-containing particles comprising the steps a) producing ore particles by mixing - in a first step chromite ore material, Chrome Ore Process Residue (COPR) and a reductant component, and - in second...  
WO/2018/170767A1
An ore pellet, a preparation method therefor, and preparation equipment. The mass percent content of components in the ore pellet are: TFe 62.1%-65.82%, FeO 0.2%-0.58%, SiO2 1.9%-6.13%, CaO 0.19%-3.23%, MgO 0.18%-0.52%, and Al2O3 0.58%-2...  
WO/2018/165524A1
A vanadium recovery approach utilizes oil fly ash (OFA), in contrast to coal fly ash, for separation and recovery of vanadium. OFA is first carbon burned to reduce the volume for recycling, and also to provide a fuel for other industrial...  

Matches 1 - 50 out of 13,802