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WO/2023/279144A1 |
The present invention relates to a method for the recovery of vanadium from a vanadium containing feed stream, the method comprising the steps of: subjecting the vanadium feed stream to a leach step, the leach step comprising contacting ...
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WO/2023/279143A1 |
The present invention relates to a method for the recovery of vanadium from a vanadium containing leach residue, the method comprising the steps of: subjecting the leach residue to a pulping step, the pulping step comprising the contact ...
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WO/2023/279142A1 |
The present invention relates to a method for the recovery of vanadium from a vanadium containing leach residue, the method comprising the steps of: subjecting the leach residue to a calcination step to produce a calcined residue; subjec...
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WO/2023/276440A1 |
Provided is a method for manufacturing a titanium-containing electrodeposit with which it is possible to achieve satisfactory refinement by electrodeposition without using the Kroll method. The present invention is a method for manufactu...
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WO/2022/262812A1 |
Disclosed is a pre-reduced pellet preparation device and method, wherein the pre-reduced pellet preparation device comprises a straight grate system and a hydrogen-based shaft furnace reduction system; by organically combining the roasti...
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WO/2022/260243A1 |
The present invention relates to a large-capacity titanium deoxidation apparatus and a titanium deoxidation method using same. The large-capacity titanium deoxidation apparatus according to the present invention comprises: a container bo...
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WO/2022/250599A1 |
The present invention relates to a method for producing a potassium sulfate containing fertilizer composition from a sodium sulfate containing residue process stream of a battery manufacturing facility, battery recycling facility, or ste...
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WO/2022/246558A1 |
The invention provides for the treatment of petroleum coke ash materials to recover vanadium values, with distinct hydrometallurgical steps of silicate dissolution and precipitation that are arranged to ameliorate consumption of alkali h...
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WO/2022/237607A1 |
Disclosed are a method for enriching niobium-titanium in an iron-containing niobium-titanium ore and a use of a nickel-containing substance. The method of the present invention comprises the following steps: reacting raw materials compri...
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WO/2022/230403A1 |
Provided is a metal titanium production method for producing metal titanium through molten salt electrolysis by using a conductive material containing titanium, aluminum, and oxygen. In this metal titanium production method, a refinement...
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WO/2022/213158A1 |
A method (14) for the recovery of vanadium, the method comprising the steps of: (i) Subjecting a vanadium-containing ore (12) to a beneficiation step (14) incorporating a sequence of medium-intensity magnetic separation, high-intensity m...
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WO/2022/202738A1 |
Provided are a noble metal adsorbent which enables easy recovery of a noble metal while achieving a high adsorption capacity with respect to a noble metal, a noble metal recovery method, and a noble metal adsorbent recycling method. A ...
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WO/2022/196197A1 |
[Problem] The purpose of the present invention is to provide a treatment for safely and efficiently liquefying niobium and tantalum from a smelting raw material containing niobium and tantalum, or a method for liquefying niobium and tant...
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WO/2022/194285A1 |
Provided is a comprehensive utilization method for columbite. The comprehensive utilization method for columbite comprises: step S1. carrying out reductive side-blown smelting on the columbite in a side-blown furnace to obtain molten iro...
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WO/2022/170774A1 |
A device for treating ilmenite ore by using solid waste pyrolysis products, the device comprising an ore preheating device, a pyrolysis reduction device and a multi-stage cooling device, wherein a heater is provided on an upper outer sid...
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WO/2022/150705A1 |
A method of preparing remediated MoO3 from naturally-occurring molybdenum, or molybdenum that is enriched in one, the other or both of Mo-98 and Mo-100 isotopes from a particulate rhenium-containing MoO3 matrix that contains one, the oth...
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WO/2022/128491A1 |
The present invention relates to a method for producing a recycled catalyst comprising at least one group VIB metal M1 and/or at least one group VIII metal M2, optionally phosphorus and/or sulphur, and a carrier based on oxide(s). The me...
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WO/2022/126217A2 |
This invention refers to a technically and economically viable process for recovery of relevant metallic and non-metallic contents from mining residues, particularly the bauxite residue, using it in its integral form. Such a process rout...
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WO/2022/119000A1 |
The present invention provides an amorphous tungstic acid fusion formed by agglomerating primary particles of tungstic acid, wherein the amorphous tungstic acid fusion has a grape-bunch-shaped structure formed therein as the primary part...
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WO/2022/119063A1 |
A method for recycling HSS processing process waste comprises: a pre-treatment step of pre-treating the HSS processing process waste; a primary melting step of forming a primary melt by primarily melting, at a temperature of 1500-2500 de...
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WO/2022/113669A1 |
A method for producing an alkali metal salt of tungstic acid according to the present invention comprises a process wherein a molten carbonate, which contains metal ions that serve as an oxidant with respect to an alkali metal carbonate ...
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WO/2022/114377A1 |
The present invention relates to titanium deoxidation method and deoxidation apparatus, and the titanium deoxidation method according to the present invention comprises: a charging step of placing a titanium raw material, which is compos...
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WO/2022/099366A1 |
A process for separating hafnium and zirconium, in particular from a sulfate based solution is provided. The process includes the steps of: concentrating an acidic sulfate based solution containing zirconium and hafnium, the solution hav...
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WO/2022/095263A1 |
A red mud comprehensive utilization method and device. The red mud comprehensive utilization device comprises a red mud pretreatment device (2), a red mud drying bin (3), a feeding device (4), an atmospheric micro-plasma discharge device...
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WO/2022/096223A1 |
The invention relates to a method for processing hard metal, more particularly hard metal scrap, wherein: - the hard metal is alloyed with a low-melting alloying metal in a reaction chamber of a reactor (10) while heat is applied; - the ...
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WO/2022/091114A1 |
The present disclosure relates to a modified bitumen composition comprising: (a) at least two refinery residues; and (b) a sulphur additive comprising: (i) sulphur; (ii) at least one H2S suppressant; (iii) at least one smell masking agen...
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WO/2022/081411A1 |
The present disclosure provides a method of recovering copper, molybdenum, and a precious metal value from a metal-bearing material, the method comprising bulk flotation of the metal-bearing material to form a flotation product, wherein ...
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WO/2022/077055A1 |
The present disclosure provides a process for extracting zirconium, in particular from a pregnant leach solution, which in preferred embodiments includes the removal of niobium from the solution to increase zirconium extraction. In parti...
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WO/2022/077062A1 |
A process for thermally treating a mineral feedstock, the process comprising partially combusting fuel to generate hot syngas; preheating the mineral feedstock utilising the hot syngas generated by partially combusting fuel; thermally tr...
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WO/2022/081413A1 |
The present disclosure provides a method of recovering copper, molybdenum, and a precious metal value from a metal-bearing material, the method comprising bulk flotation of the metal-bearing material to form a flotation product, wherein ...
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WO/2022/073324A1 |
Provided are a smelting method and device for iron-based ores. The method comprises: directly adding iron-based ores, a first flux and a second reducing agent into a furnace, blowing a first oxygen-enriched gas and a first fuel to a jet ...
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WO/2022/064039A1 |
A process for recovering and regenerating a tungsten compound suitable as co-catalyst in converting carbohydrates with hydrogen into alkylene glycols and polyols, from ash comprising one or more tungsten-oxygen components (e.g. comprisin...
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WO/2022/059534A1 |
The purpose of the present invention is to provide a method which recovers from a manufacturing process a fluorine additive used in the removal of silica components when manufacturing a high TiO2 grade titanium concentrate by removing im...
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WO/2022/055612A1 |
Provided is a process for providing a flake powder characterized by a particle size of -40 mesh to +200 mesh; a Scott density of at least 1.458 g/cm3; and a flow of at least 1 g/s. The process includes introducing a milled flake powder i...
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WO/2022/047533A1 |
The invention relates to a process for beneficiating Pyrochlore mineralisation containing niobium and other constituents that may have economic value, by a process including at least one step comprising magnetic separation and at least o...
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WO/2022/046020A1 |
The invention relates to powder metallurgy, in particular to a method for metallothermal reduction of feedstock elements made from feedstock being a solid solution of oxides of various elements in titanium oxide, using magnesium and/or c...
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WO/2022/022282A1 |
A stone coal vanadium ore oxidizing, crystal breaking, roasting, and vanadium extraction comprehensive utilization system. A crusher, a high pressure roller mill, a first feeding belt, a feeding bin, a second feeding belt, and a spiral f...
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WO/2022/026530A1 |
Methods and compositions for the removal of metal sulfides from spent catalysts in reactor vessels and associated equipment are described herein. Using the methods described herein, metal sulfides of a spent catalysts are converted to me...
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WO/2021/237274A1 |
A process for recovering titanium dioxide from a titanium-bearing material, the process including the steps of: leaching the titanium-bearing material in a first leaching step at atmospheric pressure and at a temperature of 70 to 97°C w...
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WO/2021/234725A1 |
The present disclosure discloses an electrochemical preparation method for a vanadium electrolyte, the method comprising: (a) contacting at least one vanadium precursor with aqueous sulfuric acid to obtain a solution; and (b) introducing...
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WO/2021/235588A1 |
A high-output vanadium redox flow battery stack evaluation system according to one embodiment of the present invention comprises a vanadium redox flow battery stack, and a vanadium redox flow battery stack evaluation device. The vanadium...
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WO/2021/234653A1 |
This invention relates to a method of recovering metal values such as gold, copper, nickel, zinc and uranium from ores containing said metal values. The method includes the steps of crushing an ore (10) to provide a sand containing metal...
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WO/2021/217220A1 |
Disclosed herein is a method for reducing a metal oxide in a metal oxide containing precursor. The method comprises providing a reaction mixture comprising the metal oxide containing precursor and an aluminium reductant; heating the reac...
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WO/2021/205465A1 |
The present disclosure discloses an additive for preparing modified bitumen comprising a) sulphur with a weight percentage in the range of 90-95 % with respect to the additive; b) at least two H2S suppressants with a combined weight perc...
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WO/2021/172615A1 |
The present invention provides a method for recovering tantalum. A method for recovering tantalum, according to an embodiment of the present invention, comprises: a leaching step in which tantalum scrap reacts with a preset concentration...
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WO/2021/155441A1 |
A method for the recovery of vanadium from a vanadium containing feed stream, the method comprising the steps of: subjecting the vanadium feed stream to a leach step, the leach step comprising contacting the vanadium feed stream with an ...
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WO/2021/157628A1 |
The purpose of the present invention is to collect a high-quality Ti-Al based alloy in a highly efficient manner. Provided is a production method for a Ti-Al based alloy, wherein: a flux (α), which is composed of a calcium oxide contain...
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WO/2021/146797A1 |
A method for recovering vanadium values from a feed material comprising oxidised and carbonaceous materials obtained from a shale deposit or vanadium ore is disclosed. In the method, a vanadium concentrate enriched in vanadium and delete...
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WO/2021/150552A1 |
An improved method for recovering metals from spent catalysts, particularly from spent slurry catalysts, is disclosed. The method and associated processes comprising the method are useful to recover spent catalyst metals used in the petr...
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WO/2021/145099A1 |
The objective of the present invention is to synthesize a zirconium complex by making even a low concentration of 1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid (DOTA) react with radioactive zirconium at a high reaction rate. A...
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