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Matches 51 - 100 out of 8,888

Document Document Title
WO/2017/135245A1
The present invention provides a method for easy and efficient recovery of high purity scandium from nickel oxide ore, the method comprising: an adsorption step S21 for passing a scandium-containing solution through an ion exchange resin...  
WO/2017/136328A1
Methods for extracting lithium from solutions containing lithium ions via reversible cation exchange with H+ are provided. The methods utilize metal oxide or metalloid oxide cation exchange materials having an active sublattice that pref...  
WO/2017/127936A1
Hydrometallurgical processes are provided for the recovery of metal values, including cesium, from epithermal mineral deposits, including pharmacosiderite- containing ores. Aspects of the process involve the preferential formation of a c...  
WO/2017/130692A1
A method for recovering scandium is provided, which is capable of recovering highly-pure scandium from nickel oxide ore in a simple and efficient manner. The method for recovering scandium pertaining to the present invention has: a first...  
WO/2017/129341A1
The present invention describes a process for treating a leaching residue generated in a leaching of a sulfur-containing metal concentrate. Therein, the leaching residueisfed into a reactor, wherein a fluidizing gas is injected into the ...  
WO/2017/130693A1
Provided is a method for removing residual hydrogen sulfide, whereby hydrogen sulfide remaining in a reaction container can be efficiently removed in a short operation time. The method for removing residual hydrogen sulfide pertaining to...  
WO/2017/122556A1
This method for separating rare-earth elements from iron involves melting a material containing rare-earth elements and iron together with an alkali silicate flux in a metal-silicon melt or an iron-silicon alloy melt to form an alkali si...  
WO/2017/123102A1
The invention relates to processes for the extraction of products from titanium-bearing minerals. In particular embodiments the invention relates to methods of recycling sulphuric acid used in a titanium dioxide extraction process. The i...  
WO/2017/119374A1
A method for separating metallic components from a material to be treated which includes silicates and metallic elements, the method including: a reaction step in which the hydroxide of an alkali metal or alkaline-earth metal and water a...  
WO/2017/118955A1
The present invention relates to an improved process and method of recovering metals of value from used Lithium batteries (hereinafter LiBs). More particularly, the invention provides a method for recovering cobalt, lithium, manganese al...  
WO/2017/117626A1
A method of precipitating a nickel or cobalt containing solid from an acidic solution containing dissolved nickel and/or cobalt comprises contacting the solution with a calcium containing neutralising agent to raise the pH of the solutio...  
WO/2017/117200A1
Apparatus uses engineered collection media to recover mineral particles in a slurry. The apparatus has a tumbler cell and a rotation device to rotate the tumbler cell. The tumbler cell has a container to hold a mixture of the engineered ...  
WO/2017/116542A1
Disclosed herein is a process for the recovery of a metal from an ore using a collector composition. The process includes contacting the ore with the collector composition. The collector composition can include sulfur-containing compound...  
WO/2017/109278A1
A method is disclosed for removing gypsum from calcium-containing material, wherein the method comprises cooling a calcium-containing pregnant leach solution (10) by indirectly contacting the calcium-containing pregnant leach solution (1...  
WO/2017/109479A1
Processes for desorbing mercury from a mercury loaded solid sorbent material, using an eluent solution, are described which comprise contacting the mercury loaded solid sorbent material with an eluent solution comprising an eluent specie...  
WO/2017/110572A1
Provided is a method for removing a sulfidizing agent such as hydrogen sulfide or the like that is dissolved in a sulfidized liquid generated in a wet process for smelting a nickel oxide mineral ore, the method enabling the usage quantit...  
WO/2017/106925A9
A process and system are disclosed for recovering lithium from a lithium-containing silicate mineral. The process and system comprise mixing the silicate mineral with nitric acid. The process and system also comprise subjecting the mixtu...  
WO/2017/109294A1
The present invention relates to the field of mineral engineering and metallurgy and hydrometallurgical technologies in general and to the extraction of metal compounds from ores or concentrates by wet processes, and more particularly to...  
WO/2017/109298A1
The present invention relates to the field of mineral engineering and metallurgy and metallurgical technologies in general and to extraction of metal compounds from ores or concentrates by metallurgical processes, and more particularly t...  
WO/2017/109297A1
The present invention relates to the field of mineral engineering and metallurgy and metallurgical technologies in general and to extraction of metal com¬ pounds from ores or concentrates by metallurgical processes, and more particularl...  
WO/2017/106925A1
A process and system are disclosed for recovering lithium from a lithium-containing silicate mineral. The process and system comprise mixing the silicate mineral with nitric acid. The process and system also comprise subjecting the mixtu...  
WO/2017/109296A1
The present invention relates to the field of mineral engineering and metallurgy and metallurgical technologies in general and to extraction of metal com¬ pounds from ores or concentrates by metallurgical pro¬ cesses, and more particul...  
WO/2017/110877A1
Provided is a method for immobilizing arsenic characterized in that calcium arsenate is added to a vitrification material that contains iron, silica, and alkali components so as to reach an iron/silica weight ratio of 0.5-0.9 and an alka...  
WO/2017/111092A1
The present invention addresses the problem of providing an agent for selective metal recovery, a metal recovery method and a metal elution method, whereby a metal can be selectively recovered, eluted , refined, etc. at low cost and high...  
WO/2017/109295A1
The present invention relates to the field of mineral engineering and metallurgy and hydrometallurgical technologies in general and to extraction of metal com¬ pounds from ores or concentrates by wet processes, and more particularly to ...  
WO/2017/110462A1
Provided is a mineral dressing method that can efficiently separate copper minerals and molybdenum minerals. The present invention is a mineral dressing method for mineral powder at least containing a copper mineral and a molybdenum mine...  
WO/2017/104629A1
A method for recovering scandium is provided, which is capable of recovering highly-pure scandium from nickel oxide ore in a simple and efficient manner. The method for recovering scandium according to the present invention includes a sc...  
WO/2017/100933A1
Described is a process for the selective extraction of rare earth elements from an ore or mineral concentrate material containing one or more gangue-derived elements, such as, iron, aluminum, zirconium and niobium. The process comprises ...  
WO/2017/103788A1
The invention relates to a solution for leaching precious metals contained in a mineral, as well as the use thereof and the leaching process in which said solution is applied. The solution for leaching precious metals comprises NaCl, a n...  
WO/2017/099941A1
Leaching aids, for example, when present in a leaching solution, and methods of using the leaching aids. The leaching aids can include one or a combination of compounds. The method of using the leaching aids can include a process of reco...  
WO/2017/096470A1
An ionic liquid of formula (I) is provided. A method of extracting one or more rare earth element and/or gallium from a matrix comprising the step of contacting the matrix with this ionic liquid is also provided.  
WO/2017/098466A1
The method of recovering copper from sulfide ores with copper and iron, comprises the steps of reacting, in a reaction vessel, a copper-containing sulfide ore with sulfur dioxide gas to form elemental sulfur, an iron oxide and a copper s...  
WO/2017/094308A1
Provided is a sulfurizing agent removal method that effectively removes dilute sulfurizing agents such as hydrogen sulfide from large volume solutions more efficiently than in the past. This sulfurizing agent removal method is a method f...  
WO/2017/096209A1
Lead is recycled from lead paste of lead acid batteries in a process that employs alkaline desulfurization followed by formation of plumbite that is then electrolytically converted to pure lead. Remaining insoluble lead dioxide is remove...  
WO/2017/091552A1
Collector compositions C for mineral flotation, which include at least one of a hydroxamic acid A, and/or a salt S of a hydroxamic acid A solubilized in a water-soluble organic solvent L, and processes for using same for recovering sulfi...  
WO/2017/090784A1
The present invention relates to an eco-friendly zinc smelting method, and provides a method for treating zinc ferrite, the method comprising the steps of: generating a fumed metal oxide, sulfite offgas, and eco-friendly clean slag throu...  
WO/2017/085404A1
The present invention relates to a method for separating and purifying niobium and tantalum from a basic aqueous solution containing niobium and tantalum. Said method is characterized in that it includes the following steps: a) placing a...  
WO/2017/085312A1
The invention relates to an organic material which includes a solid polymer substrate onto which molecules having the following general formula (I) are grafted: Formula (I) in which: m = 0, 1 or 2; R1 and R2 = a saturated or unsaturated,...  
WO/2017/086497A1
An embodiment of the present invention provides a method for recovering gold, the method comprising: (a)a step for dissolving a metal-containing raw material in an acidic solution to prepare a metal chloride mother liquor, and then filtr...  
WO/2017/081802A1
This method for separating molybdenum separates molybdenum from an acid solution containing copper ions, ferrous ions, and molybdenum ions, wherein ferrous ions in the acid solution are oxidized and the pH of the acid solution is adjuste...  
WO/2017/079043A1
A method of removing components from circuit boards includes the steps of placing in a chamber a plurality of circuit boards having components secured to the board by meltable solder; heating a liquid to a temperature above the melting p...  
WO/2017/071685A1
The invention relates to a method for the recovery of precious metal from materials containing precious metal, said method comprises the following steps of: A) bringing the materials containing the precious metal into contact with an oxi...  
WO/2017/072411A1
The present invention provides a method of recovering gold, and optionally silver, from gold-bearing, and optionally silver-bearing, double refractory raw material, comprising the steps of (a) leaching the said gold-bearing, and optional...  
WO/2017/070747A1
A method of leaching chalcopyrite ores includes the steps of forming agglomerates of fragments of chalcopyrite ores and silver and leaching the agglomerates with suitable leach liquor.  
WO/2017/075015A1
The present disclosure relates to hydrometallurgical methods for the isolation and recovery of platinum from rhenium-containing materials, and more particularly, from superalloys containing rhenium, platinum, and other metals. The disclo...  
WO/2017/069189A1
Provided is a hydrometallurgy device having strong-acid resistance and high-temperature resistance and being capable of efficiently dissolving an oxidizing agent in acid inside a reaction tank. The hydrometallurgy device 1 recovers metal...  
WO/2017/070102A1
Methods and systems for removing polar compounds from a metal-containing solution. According to various example aspects, methods and systems for removing hydrolysis byproducts and other polar compounds from a metal-loaded organic solutio...  
WO/2017/070111A1
Provided are methods and related compositions for separating immiscible organic and aqueous compositions. The methods include dispersing a discrete, insoluble filler in the organic composition, dispersing the organic composition into the...  
WO/2017/069223A1
[Problem] To provide a method for efficiently producing a high purity vanadium electrolytic solution from a combustion residue that includes uncombusted carbon and that has been emitted from a facility such as a refinery or a power plant...  
WO/2017/063076A1
Process to decrease silicon content of metal powder produced by hydrogen reduction from ammoniacal ammonium sulphate solutions containing metal ammine complexes, wherein metal (Me) is Ni, Co, or Cu. The process controls the precipitation...  

Matches 51 - 100 out of 8,888