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Matches 1 - 50 out of 10,206

Document Document Title
WO/2020/181607A1
A method for extracting ions from an ore solution, comprising the following steps: (1) after a P204 organic phase is subject to soda soap treatment, adding nickel sulfate therein for a nickel soap reaction, till sodium ions in the organi...  
WO/2020/183261A1
The present invention concerns a method for recovering gold from electronic components, comprising the execution of a first macro-step of dissolving gold and copper from said electronic components using an aqueous solution comprising HNO...  
WO/2020/185777A1
A process for water removal and/or recycling of sodium sulphate and/or sodium dithionate containing liquors derived from processing a cobalt resource derived from components of lithium ion batteries comprising steps of deriving from the ...  
WO/2020/183728A1
Provided is a production method using industrially inexpensive hydrogen gas and microscopic nickel powder to generate coarse particles of nickel powder containing a small amount of impurities from an ammine nickel sulfate complex solutio...  
WO/2020/181745A1
Provided is a method for efficiently separating cobalt/nickel magnesium manganese from crude cobalt/nickel salt raw material. Using crude cobalt/nickel salt as a raw material, a catalyst is added after slurrying; a high-temperature and h...  
WO/2020/183469A1
A process for recovering gold from a refractory gold ore, comprising the steps of: electrolyzing a mixture consisting of the ore particles and an aqueous bromide solution in an electrolytic cell having anode and cathode, wherein bromine ...  
WO/2020/181381A1
The present application provides a process and system for recovery of rare earth elements. In particular, the present application provides a process for obtaining a precipitate of rare earth elements (REE), comprising: (a) obtaining an a...  
WO/2020/181606A1
A method for leaching laterite nickel ore. The leaching method comprises the following steps: 1) concentrating an original laterite nickel ore pulp having a particle size of less than 0.074mm into a laterite nickel ore pulp having an und...  
WO/2020/177880A1
The invention relates to a method for extracting gold and/or silver and/or at least one platinum metal. At least one starting material (10) which contains gold, silver and/or platinum metal is introduced into an aqueous solution (20) tha...  
WO/2020/173589A1
A method for breaking down a mixture, which is present in the form of solid particles, consisting of: (A) 0 to 99% by weight of metallic ruthenium, (B) 0 to 50% by weight of at least one element other than ruthenium, which is present in ...  
WO/2020/174907A1
A tungsten recovery method characterized by inducing the leaching of tungsten while suppressing the leaching of silicon from a tungsten raw material containing tungsten oxide and silicon by using a weak alkali compound, wherein the major...  
WO/2020/171994A1
Provided herein is a system for producing suspensions comprising soluble metal ions. The system comprises a basket to hold a metal load comprising a permeable floor so as to allow a solution to come into contact with the metal load. The ...  
WO/2020/171009A1
Provided is a lithium recovery method whereby highly pure lithium can be recovered from a fluid to be processed that has lithium and an inorganic salt dissolved therein. The lithium recovery method has: a concentration step S8 in which t...  
WO/2020/165845A1
A method (1) for pre-treating whole ore and/or concentrate comprising a precious metal for subsequent precious metal recovery involves processing a solids feed (2) in a pre-treatment stage (3) and then in a sulfide oxidation stage (4). T...  
WO/2020/165502A1
The present disclosure provides a method for recovering metal from metal-containing waste material by leaching, the method comprising providing aqueous solution (14), providing leaching agent precursor, providing a source of external ene...  
WO/2020/166735A1
Introduced is an economical method, using a combination of wet and dry processes, for smelting nickel from nickel concentrate, comprising the steps of: leaching, with sulfuric acid, sulfide concentrate containing nickel, so as to separat...  
WO/2020/160615A1
A process for the recovery of lithium hydroxide from lithium sulfate containing solutions, the process characterised by the following method steps: precipitating ettringite from a lithium sulfate containing solution in a primary ettringi...  
WO/2020/157543A1
The invention relates to a process for recovering precious metals, in particular gold, from activated carbon powder used in a cyanide leaching process for extracting metal, said process comprising the following steps: - an activated carb...  
WO/2020/154699A1
Disclosed herein are systems and methods from processing FGD gypsum feedstock and ash feedstocks, either separately or together. FGD gypsum conversion comprises reacting flue gas desulfurization (FGD) gypsum (calcium sulfate) feedstock, ...  
WO/2020/075152A3
A composition comprising diethyl carbonate and an ingredient selected from the group consisting of paints, dyes, coatings, inks, adhesives, resins, agricultural formulations, personal care formulations, fuels and pharmaceutical compositi...  
WO/2020/152457A1
A method for recycling lead-containing waste comprises: (a) dissolving the lead-containing waste in an aqueous solution of a first acid to form a solution of a first lead salt; (b) adding a second acid to the solution of the first lead s...  
WO/2020/146956A1
A process for the selective recovery of lithium values from feedstock is provided. The process includes concentration by one or more of air classification and flotation; selective leaching to remove Mg, Ca or Na formations; and leaching/...  
WO/2020/149628A1
The present invention relates to a leaching method in which leaching of a precious metal and a non-precious metal from a waste printed circuit board and selective separation thereof by means of a hydrophobic ionic liquid are continuously...  
WO/2020/149122A1
Provided is a wet smelting method whereby the amount of nickel coprecipitated with impurities is reduced and nickel yield can be increased. The present invention provides a method for manufacturing a nickel/cobalt mixed sulfide, the me...  
WO/2020/142855A1
The present patent relates to a plant in a regime for the two-stage production of copper sulphate pentahydrate from oxidised copper minerals, with an average content of 20% Cu, with mineral species predominant in copper oxides. The first...  
WO/2020/142856A1
The present patent considers a two-stage method for obtaining copper sulphate pentahydrate from oxidised copper minerals with an average content of 20% Cu, wherein the predominant mineralogical species are copper oxides. The first stage ...  
WO/2020/112813A8
A method includes processing at least one battery into a plurality of core sections. Each core section in the plurality of core sections includes an anode section, a cathode section including a cathode material, a separator section dispo...  
WO/2020/137995A1
A method for recovering at least cobalt, among valuable metals of cobalt and nickel, from an acidic solution that is produced by subjecting a waste material containing a positive electrode material of a lithium ion secondary battery to a...  
WO/2020/138083A1
Provided is a method for producing an electrolyte solution for redox flow batteries using incineration ash as a raw material, whereby it becomes possible to collect high-purity vanadium easily and with high efficiency to produce an elect...  
WO/2020/137997A1
Provided is a method for recovering at least cobalt from among the valuable metals cobalt and nickel from an acid solution containing cobalt ions, nickel ions and impurities, obtained by subjecting waste containing positive electrode mat...  
WO/2020/137974A1
The present invention relates to an alkali metal salt manufacturing method that is characterized by including: a pretreatment step in which a refining-inhibiting substance is removed from an aqueous solution of an alkali metal salt, usin...  
WO/2020/128137A1
A method of treating process water of a flotation plant (1) is disclosed. The flotation plant (1) comprises a mineral flotation line (10) and a process water circuit (20) for treating underflow and/or overflow of the flotation line. The ...  
WO/2020/124130A1
A method for the recovery of metals from a feed stream containing one or more value metals and lithium, the method comprising: subjecting the feed stream to a sulphuric acid leach to form a slurry comprising a pregnant leach solution of ...  
WO/2020/126632A1
The present disclosure concerns a process for the recovery of valuable metals from polymetallic nodules. A two-stage process using SO2 in an acidic aqueous media is disclosed. In a first step, performed in mildly acidic conditions, Mn, N...  
WO/2020/124238A1
The present disclosure relates to a process for purifying a zircon sand. The process notably comprises an alkali fusion reaction conducted in conditions such that the fusion reaction is incomplete with respect to zircon as well as variou...  
WO/2020/118446A1
The present disclosure broadly relates to a process for recovering gold and/or silver values from various feedstocks. More specifically, but not exclusively, the present disclosure relates to a process for the selective recovery of gold ...  
WO/2020/118455A1
It is disclosed a chemical process for recovery of silver, copper, lead, cadmium, zinc and iron from a zinc and iron bearing feed material including electric arc furnace dust and spent pickle liquor. In the process, a feed solution prepa...  
WO/2020/118436A1
Processes for the recovery or purification of lithium species from various sources are described. Such sources include natural sources or deposits, such as in mining applications, and synthetic or non-natural sources, such as in the recy...  
WO/2020/115369A1
The present invention concerns a process for producing calcium carbonate from a calcium- containing alkaline slag material, the process containing the steps of - extracting the alkaline slag material in a series of extraction steps, incl...  
WO/2020/113264A1
A chemical processing apparatus (10) comprising: at least one vessel (10) comprising: an inlet (12) for a liquid process stream; an outlet pipe (14A) for a liquid process stream to exit the vessel (10); and a zone (16) at least partially...  
WO/2020/116795A1
The present invention relates to a method for producing lithium hydroxide from a lithium concentrate by mixing and roasting the lithium concentrate with sodium sulfate, the method being capable of efficiently recovering lithium ions from...  
WO/2020/112813A1
A method includes processing at least one battery into a plurality of core sections. Each core section in the plurality of core sections includes an anode section, a cathode section including a cathode material, a separator section dispo...  
WO/2020/107074A1
A process and system are disclosed for producing lithium oxide from lithium nitrate. In the process and system, the lithium nitrate is thermally decomposed in a manner such that a fraction of the lithium nitrate forms lithium oxide, and ...  
WO/2020/107122A1
A process for recovering zinc and associated value metals from zinc-bearing ores, concentrates and intermediates, especially from electric arc furnace dust (EAFD) and spent steel mill zinc pickle liquor (ZPL), comprising leaching the fee...  
WO/2020/109045A1
The present invention relates to a process for the recovery of transition metals from batteries comprising (a) treating a transition metal material with a leaching agent to yield a leach which contains dissolved salts of nickel and/or co...  
WO/2020/112221A1
A recycling process that facilitates separation of materials from metallic substrates by cryogenically cooling the recyclable items to induce embrittlement of the metals. Embrittled metals may be shattered more efficiently and with a hig...  
WO/2020/099912A1
The invention relates to a chemical and physical hydrometallurgical method with solid-liquid-solid interaction, for the solubilisation of copper sulphides, by means of the selective transformation and precipitation of soluble, chlorinate...  
WO/2020/099966A1
The present invention relates to a solid-liquid-solid hydrometallurgical method in the presence of hydrated and/or non-hydrated salts in an oversaturation condition, which is achieved by the intentional and repetitive application of dryi...  
WO/2020/097689A1
A method for the alkaline digestion of soda-lime glass comprising forming a mixture of soda lime glass and a hydroxide solution, the mixture having at least 100 grams of glass per litre of H2O, the hydroxide solution having a concentrati...  
WO/2020/093367A1
A production line used for extracting nickel and cobalt from a laterite nickel ore and having an anti-scaling function, comprising an apparatus for acid-leaching a laterite nickel ore, an iron removal reaction apparatus, and a heat excha...  

Matches 1 - 50 out of 10,206