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Matches 101 - 150 out of 10,200

Document Document Title
WO/2020/010745A1
A solar cell recycling method, comprising: separating an organic film layer from a solar cell, and thereby forming a de-encapsulated solar cell, the de-encapsulated solar cell comprising a stainless steel substrate and an active material...  
WO/2020/009987A1
A hydrometallurgical solvent extraction method includes mixing an aqueous metal ion solution with an organic solution of metal extraction reagent to form a mixture, and allowing the aqueous metal ion solution and organic solution to phas...  
WO/2020/004285A1
Provided is a method for efficiently separating copper from nickel and cobalt from a sulfide containing nickel and cobalt together with copper. The present invention is a method for separating copper from nickel and cobalt, the method co...  
WO/2020/003225A1
Disclosed is method of leaching at least one desired element from feed material containing feed material fines, which includes combining such a feed material with a pulping solution comprising a liquid and a solution-hydrated or a soluti...  
WO/2020/006584A1
A PGM beneficiation process comprises (A) obtaining a PGM concentrate from which basemetals have been removed and comprising PGM complexes as chloride species, (B)producinga refining stream rich in a chloride species of a PGM, (C) if des...  
WO/2020/003004A2
A process operating at super-atmospheric pressure for leaching a titanium containing ore with an HCI and producing titanium dioxide with integrated steps of solvent extraction for removing iron from the leached ore and solvent extraction...  
WO/2019/081432A8
A process is divulged for the recovery of metals from a metal-bearing material containing, in oxidized form, more than 1% of Co, a total of Co and Ni of more than 15%, and more than 1% Mg, comprising the step of: - smelting said metal-be...  
WO/2019/243728A1
The invention relates to a process for selectively extracting cobalt from a composition comprising cobalt and one or more other metal elements, wherein said process comprises the following steps: a) a step of forming a precipitate consis...  
WO/2019/244527A1
This method for producing a nickel sulfate compound comprises: a conversion step (S1) for converting at least a part of a nickel-containing raw material (10) into a nickel sulfate compound by treating the nickel-containing raw material (...  
WO/2019/244091A2
This invention relates to a method for processing nickel laterite ore, including the steps of obtaining a mined laterite ore from a mining operation 42; and feeding the ore through a bulk sorter 44 comprising a sensor arrangement and a d...  
WO/2019/243635A1
The present invention relates to a method for obtaining noble metal selected from platinum and/or palladium from noble metal-containing catalyst material, in particular from catalyst material comprising at least one noble metal and an al...  
WO/2019/239151A1
A method for extracting a rare earth metal from a mixture of one or more rare earth metals, said method comprising countercurrently contacting an acidic solution of the rare earth metal with a composition which comprises an ionic liquid ...  
WO/2019/239152A1
A method for extracting a rare earth metal from a mixture of one or more rare earth metals, said method comprising contacting an acidic solution of the rare earth metal with a composition which comprises an ionic liquid to form an aqueou...  
WO/2019/239149A1
A process for preparing a cationic species [Cat + ] for an ionic liquid, said process comprising reacting a reagent (1) H 2 N-L -[Z] with a reagent (2) LG-L 2 -EDG, to form a cationic species EDG-L 2 -[Z + ]-L -N(L 2 -EDG) 2, wherein the...  
WO/2019/239150A1
A method for extracting a rare earth metal from a mixture of one or more rare earth metals, said method comprising contacting an acidic solution of the rare earth metal with a composition which comprises an ionic liquid to form an aqueou...  
WO/2019/241289A1
Provided is a method of extracting a metal ion, which comprises contacting a compound of formula (R2SiO)n with a source of the metal ion, whereby the compound and the metal ion form a complex, wherein each R is independently C1-10oalkyl,...  
WO/2019/234315A2
The invention relates to a method for controlling the sedimentation of an aqueous mineral suspension of a mining derivative by means of the gravimetric concentration of the aqueous suspension in the presence of a flocculating agent and a...  
WO/2019/232574A1
The present invention provides a method of recycling a lithium-based electrochemical cell, the method comprising: comminuting the cell under (i) an inert atmosphere, (ii) reduced pressure, or (iii) a combination thereof, to produce commi...  
WO/2019/235967A1
A method for refining gold-silver alloys to produce gold relates to the hydrometallurgy of precious metals and can be used in refining gold-silver alloys. Gold-silver alloys are dissolved in aqua regia. A sodium hydroxide solution is the...  
WO/2019/229632A1
The present invention relates to a hydrometallurgical method for the recycling and recovery of base metals, such as copper, tin, lead and nickel, and precious metals, such as gold and silver, from electronic boards or printed circuits of...  
WO/2019/227165A1
In using aqueous solutions to extract metals from ores, it is not uncommon for compounds to precipitate from the solution onto the ore surface resulting in passivation. This passivation mechanism impinges the dissolution of the ore and t...  
WO/2019/232149A1
Compositions and methods are provided that permit both recovery of at least two metals from industrial waste materials and control of the degree of relative recovery between the two metals. Industrial waste is initially treated with an a...  
WO/2019/232325A1
Disclosed are methods of separating solute from solvent using a photoactive extractant. The photoactive extractant can be switched between two states by exposure to light. This can change the affinity of the photoactive extractant for ei...  
WO/2019/223996A1
The invention relates to a device for extracting gold and/or silver and/or at least one platinum group metal from starting materials (11). Said device comprises a container (20) which is designed to receive the starting materials (11) an...  
WO/2019/223997A1
The invention relates to a device for extracting gold and/or silver and/or at least one platinum group metal from starting materials (51). Said device comprises a container (10) which is designed to receive the starting materials (51) an...  
WO/2019/221932A1
This invention relates generally to a process for selective adsorption and recovery of lithium from natural and synthetic brines, and more particular to a process for recovering lithium from a natural or synthetic brine solution by passi...  
WO/2019/219444A1
The invention relates to a method for recovering gold and/or silver and/or at least one platinum metal from components of a fuel cell stack (11) of a fuel cell (10) or of an electrolyzer. In an oxidation step, the components are treated ...  
WO/2019/221323A1
The present invention relates to a method for forming an extract from rare earth mineral leach residue and stripping thorium, the method for selectively stripping thorium using a salt comprising the steps of: (a) forming a leachate by ad...  
WO/2019/221329A1
The present invention relates to a method for extracting thorium from a leaching residue of a rare earth ore, and provides a method for selectively extracting thorium by using a polymer alcohol, comprising the steps of: (a) adding an aci...  
WO/2019/220003A1
A method and arrangement for recovering lithium hydroxide from a raw material containing lithium, which method comprises pulping (1) the raw material containing lithium in the presence of water and an alkali metal carbonate for producing...  
WO/2019/215583A1
The present invention describes a hydrometallurgical process which has the main aim of recovering the precious elements contained in waste permanent magnets. The method is applicable to waste neodymium (Nd) magnets.  
WO/2019/213723A1
A process for production of pigment grade titanium dioxide is disclosed, including: (a) acid digestion under atmospheric pressure of a titanium raw material using a fluoride containing substance and in the presence of metallic iron; (b) ...  
WO/2019/217059A1
Systems, processes, apparatuses and materials disclosed relate to the recovery of precious metals from a substrate into solution, such as, for example, using a leaching solution. In addition, systems and processes are disclosed for recov...  
WO/2019/213694A1
A method of leaching copper-containing ores includes leaching copper-containing ores or concentrates or tailings of the ores or concentrates with a leach liquor in the presence of an additive that enhances the dissolution of copper from ...  
WO/2019/210368A1
A method for the precipitation of rare earth sulphate, the method including subjecting a crude rare earth sulphate solution to precipitation in the presence of a water soluble, volatile, organic compound to produce a rare earth sulphate ...  
WO/2019/210351A1
A process for the processing of mica rich minerals, the process comprising passing an ore or concentrate (1) containing a mica rich mineral to a pre-treatment phase, the pre-treatment phase including a size separation step (20) to produc...  
WO/2019/210350A1
A process for the processing of silicate minerals, the process comprising passing an ore or concentrate (1) containing a silicate mineral to a pre-treatment phase, the pre-treatment phase including a size separation step (20) to produce ...  
WO/2019/211318A1
The present invention relates to a method for dissolving, recovering, extracting or separating precious metals. Efficient recovery of precious metals from industrial spent catalysts through electrochemical means using dilute acid/acid-fr...  
WO/2019/210810A1
Disclosed is a method for clean metallurgy of molybdenum, comprising the steps of: 1) leaching a calcified molybdenum calcine, which is obtained by roasting molybdenite with the addition of calcium, by using an inorganic acid, to obtain ...  
WO/2019/210367A1
A method of processing a purified rare earth sulphate solution, the method including the steps of: contacting the purified rare earth sulphate solution with sodium hydroxide to precipitate rare earths as rare earth hydroxide, including t...  
WO/2019/206755A1
The present invention relates to a method for the biological recovery of metals in electric and electronic waste, which comprises a) introducing a series of iron-oxidizing microorganisms and a mineral medium into a reactor (10); b) perfo...  
WO/2019/207075A1
A process for treating a water stream, preferably originating from a ore mining process, containing cyanide, metallic ions and stable metal-cyanide complexes having a stability constant K characterized by a logK at 25°C greater than 20,...  
WO/2019/147322A3
Described are methods and compositions for processes of preparing a radioactive solution of Sn-117m tetraiodide. Aspects include reacting a radioactive solid Sn containing Sn-117m with a solution of I2 in an organic solvent at a temperat...  
WO/2019/202201A1
X-ray fluorescence analyzer system comprises an X-ray tube (402),a slurry handling unit (201),and a crystal diffractor (601) located in a first direction from said slurry handling unit (201). The crystal diffractor (601) separates a pred...  
WO/2019/203778A1
The invention relates to the mining industry. A method of decontaminating technogenic wastes and tailings after vat or heap leaching of raw material and preparing the raw material for enrichment and/or extraction of metals comprises mixi...  
WO/2019/202198A1
An X-ray fluorescence analyzer comprises an X-ray tube (402) for emitting incident X-rays (206) in the direction of a first optical axis (204). A slurry handling unit (201) is configured to maintain a constant distance between a sample (...  
WO/2019/202199A1
An X-ray fluorescence analyzer comprises an X-ray tube (402) for emitting incident X-rays (206) in the direction of a first optical axis (204). A slurry handling unit (201) is configured to maintain a constant distance between a sample (...  
WO/2019/203680A1
The invention relates to the field of non-ferrous metallurgy, in particular to a method for processing laterite nickel ores with recovery of nickel and cobalt. In a method involving grinding of the ore, roasting of the ore in a reducing ...  
WO/2019/202197A1
An X-ray fluorescence analyser comprises an X-ray tube (402) for emitting incident X-rays (206) in the direction of a first optical axis (204). A slurry handling unit (201) is configured to maintain a constant distance between a sample (...  
WO/2019/201582A1
A robust and economically viable process technology is developed for the recycling of critical rare earth elements (REEs) from end of life lamp fluorescent powder (FP) e-waste. This is one of the first efforts to recycle individual pure ...  

Matches 101 - 150 out of 10,200