Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 101 - 150 out of 9,080

Document Document Title
WO/2017/153634A1
In a method for separating metals from metal borate precipitates obtained from recovering metals from solutions, solid metal borate precipitate is heated under reducing conditions to a temperature at which the metal is separated from the...  
WO/2017/148992A1
The present invention relates to a method for recovery of palladium from tin-containing acidic colloidal solutions comprising the steps of: intervalwise addition of a first non-noble metal in granulate, powder or pigment form as a cement...  
WO/2017/149835A1
Provided are a dissolving method and a collecting method for a group 5 element and/or a group 6 element with which the voltage and power necessary for dissolution can be reduced and the solubility of said element in a molten material can...  
WO/2017/150659A1
A method for collecting minor metals from minor metal-containing glass, characterized in that the method comprises heating the minor metal-containing glass to a temperature of 900-1100°C and thereby melting the minor metal-containing gl...  
WO/2017/148922A1
The present invention relates to a process for the separation of vanadium in the form of vanadium oxide, iron-vanadium-oxide, or iron-vanadium from solutions containing both dissolved iron and dissolved vanadium, wherein an aqueous solut...  
WO/2017/145892A1
Provided is a production method that uses industrially inexpensive hydrogen gas and is for forming coarse grains of highly pure nickel powder from a nickel sulfate ammine complex solution using a nickel micropowder. The method for produc...  
WO/2017/146034A1
Provided is a method for recovering scandium, by which high-quality scandium is able to be efficiently recovered from nickel oxide ore. The present invention comprises: a leaching step S1 for obtaining a leachate by leaching a nickel oxi...  
WO/2017/145448A1
Provided is a neutralization method performed for discharging process liquid that is generated in a metal-refining process to the outside of the system, wherein the amount used of a neutralizing agent such as slaked lime is reduced, maki...  
WO/2017/146219A1
This rare earth element separation method comprises a step for bringing an organic solvent into contact with a material liquid containing multiple types of rare earth elements to an aqueous solution, thereby extracting the multiple types...  
WO/2017/146055A1
The present invention addresses the problem of providing a metal extracting method, a metal extracting device used in the method, and a metal detecting method, which help save energy and do not require the use of a material having a larg...  
WO/2017/141117A1
The present invention relates to the use for ore beneficiation, of at least one derivative of alkoxylated (polyester)amine. The present invention also relates to the flotation pulp and the tailings comprising said product useful for ore ...  
WO/2017/143007A1
Disclosed herein is a method involving the steps of: a) mixing a first pond coal fly ash and a first ionic liquid, thereby leaching germanium from the first pond coal fly ash and producing a second pond coal fly ash and a first mixture c...  
WO/2017/139852A1
A process for the recovery of lithium from minerals rich in lithium and phosphate, the process comprising passing an ore (1) containing one or more minerals rich in lithium and phosphate to an acid leach step (60) thereby producing a pre...  
WO/2017/142081A1
The purpose of the present invention is to provide a thickener and a control method for the same with which a high concentration slurry, in which the slurry has a high concentration, can be obtained from the base part of the thickener in...  
WO/2017/140723A1
This disclosure relates to systems and methods for the dissolution of metals, metallic compounds, metallic alloys, metallic solids, recyclable metal, semiconductors, and the like. Particularly disclosed, are exemplary systems, methods, a...  
WO/2017/140324A1
The present invention describes a method, which consists in decomposition of graptolite- argillite organometallic matter in anaerobic environment by a stable adapted microbial consortium, accompanied by bioleaching of metals and methane ...  
WO/2017/141118A1
The present invention relates to the use for ore beneficiation, of at least one derivative of alkoxylated fatty (polyester)amine The present invention also relates to the flotation pulp and the tailings comprising said product useful for...  
WO/2017/141693A1
Provided is a method capable of improving the settleability of neutralization precipitate, generated by neutralization, and of reducing floating particles in the supernatant after solid-liquid separation, and also capable of reducing fil...  
WO/2017/137885A1
A lithium hydroxide production process integrating a lithium stripping stage with a lithium hydroxide production process performed in a two-compartment electrolysis cell.  
WO/2017/136885A1
A process for recovering lithium from lithium-bearing materials, in particular lithium bearing silicates such as spodumene, is provided. The process involves the steps of mixing the lithium-bearing material with a source of fluoride, suc...  
WO/2017/138421A1
Provided is a method with which it is possible, when causing a sulfuration reaction to occur from a sulfuric acid acidic solution containing at least nickel through use of a sulfuration agent and generating a sulfide of nickel, to suitab...  
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...  

Matches 101 - 150 out of 9,080