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Matches 51 - 100 out of 10,200

Document Document Title
WO/2020/093368A1
A laterite nickel ore acid leaching apparatus, comprising a vertical reaction tank (7) and a horizontal reactor (13). The vertical reaction tank (7) is provided at the end proximate to the horizontal reactor (13), and a material output t...  
WO/2020/093365A1
Disclosed is a wet metallurgy method for treating low-quality lateritic nickel ore using atmospheric pressure and elevated pressure combined acid leaching, comprising the following steps: formulating a transition ore pulp, mixing the hea...  
WO/2019/244091A3
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/2020/093180A1
The invention relates to a system and method for integrated control of the leaching process in piles, which enables the automation of operations and the optimisation of the efficiency of extraction and then the recovery of the metals of ...  
WO/2020/093096A1
A method for the preparation of titanium dioxide, the method comprising the steps of subjecting a titanium containing leach residue to a concentrated sulfuric acid digest step; and in turn subjecting that residue to a leach in dilute sul...  
WO/2020/093366A1
Provided is a rotary reaction device for iron removal from low-grade nickel laterite ore by means of sulfuric acid pressure leaching, comprising: a reactor barrel, a thermal expansion device, a rotary joint and a drive mechanism; one end...  
WO/2020/090690A1
This method is for treating a lithium ion secondary battery positive electrode active substance waste product that contains cobalt, nickel, manganese and lithium, and involves: a carbon mixing step in which a powder-form positive electro...  
WO/2020/093041A1
Provided are processes for extracting nickel and lithium from a Nickel(II)/Lithium(I) (Ni2+/Li+) solution. The process for extracting nickel and lithium includes providing a Ni2+/Li+ solution comprising an amount of lithium and an amount...  
WO/2020/092157A1
Processes are described for extracting metals from a combination derived from spent lithium-ion batteries and comprising such metals, a liquid, an acid, and other components.  
WO/2020/086000A1
Disclosed herein is a method of recovering lithium or sodium from an active material of a lithium or sodium ion battery. In a preferred embodiment, the method comprises a redox-targeting reaction of a used active material LiFeP04 with a ...  
WO/2020/085219A1
Provided is a method for selecting a mineral containing arsenic. A peptide having the following amino acid sequence: (TSNQ)-(LIVFA)-(ED)-(RKNMDCPQSETGWHY)-(LIVFA)-(RKNMDCPQSETGW HY)-(LIVFA)-(LIVFA)-(LIVFA)-(RHK)-(TSNQ)-(TSNQ) [wherein an...  
WO/2020/078928A1
The facility for separating a multivalent cationic species, from a solution comprising this multivalent cationic species and lithium, comprises a capturing device (3) which has an inlet (2) and an outlet (4). The capturing device (3) com...  
WO/2020/080035A1
Provided is a method for removing manganese in which manganese-oxidizing bacteria are used, wherein the method involves stably and efficiently removing manganese from drainage water or another such aqueous solution that contains manganes...  
WO/2020/078779A1
The present invention relates to a process for the recovery of transition metals from batteries comprising treating a transition metal material with a leaching agent to yield a leach which contains dissolved copper impurities, and deposi...  
WO/2020/077026A1
Disclosed are reagent compositions for metal solvent extraction and methods of preparation and use thereof. In certain embodiments, the disclosure relates to recovering metal values from an aqueous process stream using solvent extraction...  
WO/2020/073079A1
A method to produce a brine from mixed alum salts, the method comprising the steps of: (i) Dissolving or pulping alum salts (1) containing rubidium alum, cesium alum and/or potassium alum in water or a recycled liquor and adding a neutra...  
WO/2020/077028A1
Disclosed are leaching aids and methods of using the leaching aids. The leaching aids can include one or a combination of compounds. The methods of using the leaching aids can include a process of recovering metal from ore, for example, ...  
WO/2020/073410A1
A method for resin extraction of nickel and cobalt from low-grade laterite nickel ore leaching liquid, comprising the following steps: (1) subjecting low-grade laterite nickel ore leaching liquid to copper removal resin column adsorption...  
WO/2020/073411A1
A method for extracting nickel, cobalt, and iron from a low-grade laterite nickel ore: respectively treating a transitional layer laterite nickel ore and a limonite layer laterite nickel ore, the iron grade of an iron ore concentrate pro...  
WO/2020/075152A2
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/2020/070654A1
The present invention relates to a method for the recovery of palladium from an aqueous solution, comprising the steps of: (A) providing a dispersion comprising an aqueous dispersing phase comprising palladium(II), at least one non-ionic...  
WO/2020/069539A1
A cascade of processing vessels (10) each having an inlet (24) at its lower part and a launder (28) at its upper part, each vessel (10), other than the first, having a feed pipe (34) leading from a launder (28) of the previous vessel (10...  
WO/2020/061639A1
A method for recovering NiSO4.6H2O crystals from a nickel rich organic phase is provided. The method includes contacting a nickel rich organic phase with an aqueous strip solution of sufficient H2SO4 concentration to extract nickel from ...  
WO/2020/063035A1
A method for enriching scandium, comprising the following steps: S1, extracting scandium from a scandium-containing inorganic acid solution using an organic extractant or an organic solvent solution containing an organic extractant to ob...  
WO/2020/062954A1
Disclosed is a method for preparing submicron scandium oxide, comprising: subjecting a mixed solution of a first carboxylic acid extractant and an organic solvent to a first saponification reaction with ammonia water to obtain a first wa...  
WO/2020/062964A1
Disclosed in the present invention is a method for treating low-magnesium limonite type laterite nickel ore. The method specifically comprises the following seven steps: ore grinding pretreatment, nitric acid pressure leaching, neutraliz...  
WO/2020/062993A1
A centrifugal back-extracting apparatus and a scandium back-extracting method. The centrifugal back-extracting apparatus comprises: an outer shell (10), the outer shell (10) comprising a raw material inlet (11); an inner shell (20), the ...  
WO/2020/063989A1
A rare earth precipitation device and a rare earth precipitation method. The rare earth precipitation device comprises: a precipitation container (10), having a body and an accommodating cavity enclosed by the body; a feeder (20), supply...  
WO/2020/067856A1
The present invention relates to a method for purifying and for concentrating rare earths contained in phosphogypsum, characterised in that it comprises the following steps: from a phosphogypsum, a) lixiviation of the phosphogypsum using...  
WO/2020/062145A1
An oxygen pressure leaching method for a copper sulfide concentrate and a copper smelting method. The oxygen pressure leaching method comprises: first, adding water to the copper sulfide concentrate and grinding same into pulp; adding a ...  
WO/2020/065201A1
The invention relates to the use of a synergistic mixture of extractants for extracting at least one rare earth element from an aqueous medium comprising phosphoric acid. Said mixture comprises: - a first extractant of formula (I): where...  
WO/2020/052311A1
Disclosed by the present invention is a method for processing fluorine-containing rare earth mineral particles, comprising the following steps: (1) mixing first fluorine-containing rare earth mineral particles with first sulfuric acid so...  
WO/2020/051274A2
A metal-binding protein having a high selective affinity for certain trivalent cations and/or tetravalent cations derived from, for example, rare earth elements or ions thereof such as lanthanide elements and actinides or ions thereof as...  
WO/2020/041914A1
The present invention relates to a system for imparting solubility in an aqueous medium to chemical elements contained in a sulfide ore concentrate having iron, cobalt, nickel, copper, platinum-group metals and other metals considered va...  
WO/2020/044365A1
The present invention relates to a method of extraction of metals from printed circuit boards of electronic devices in an environmentally friendly and economical process. This is achieved by the use of a single acid. The main principle u...  
WO/2020/003004A3
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/2020/044849A1
A method for producing a nickel sulfate compound, said method comprising a roasting step for heating a nickel-containing starting material which also contains iron under such conditions, wherein an oxygen partial pressure p(O2) and a sul...  
WO/2020/044241A1
A method for removing sulfate iron-containing compounds from a low- to moderate-temperature metal sulfide leach circuit (1) is disclosed. A reactor (6) within a chloride leach circuit (5) and which is preferably maintained at a temperatu...  
WO/2020/038630A1
The invention relates to a method for breaking down a mixture in the form of solid particles, consisting of: (A) 0.05 to 99 wt% of metallic ruthenium, (B) 0 to 50 wt% of at least one element different from ruthenium, in elemental form, s...  
WO/2020/030084A1
Disclosed is a process for smelting and separating a rare earth concentrate using a combination method, comprising treating a rare earth concentrate containing bastnaesite by using a method of roasting under an atmosphere - leaching with...  
WO/2020/025970A1
This invention relates to a process for obtaining lead (Pb) and/or tin (Sn) from a lead- and/or tin-based material using a deep eutectic solvent.  
WO/2020/019777A1
Disclosed is a method for producing a zinc-containing complex or zinc oxide using a zinc-containing raw ore via an intermediate step for the synthesis of calcium zincate. The method for producing a zinc-containing complex using a zinc-co...  
WO/2019/234315A3
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/2020/019026A1
The disclosure relates to processes for extracting lithium from an uncalcined lithium- bearing silicate and recovering a lithium salt therefrom. A slurry of the uncalcined lithium-bearing silicate and a caustic solution is heated in an a...  
WO/2020/019919A1
Disclosed is a method for the homogeneous precipitation separation of iron and aluminum from a laterite nickel ore acid leaching solution, wherein the present invention belongs to the technical field of nonferrous metal wet metallurgy. T...  
WO/2020/019917A1
Disclosed are a method for efficiently recycling iron, scandium, and aluminum from limonite type lateritic nickel ores, comprising: crushing or finely grinding the limonite type laterite nickel ores to obtain ore powder; selectively leac...  
WO/2020/019834A1
A mineral processing method for a low-grade zinc-containing raw ore, in particular, relating to a mineral processing method for a low-grade zinc-containing raw ore by a calcium zincate synthesis step. The method comprises a leaching step...  
WO/2020/019854A1
A method for producing zinc oxide by means of double leaching, comprising a primary leaching step, an optional purification step, a first precipitation step, a second precipitation step, a primary calcination step, a secondary leaching s...  
WO/2020/011765A1
Process for the recovery of transition metal from spent lithium ion batteries containing nickel, wherein said process comprises the steps of (a) heating a lithium containing transition metal oxide material to a temperature in the range o...  
WO/2020/010400A1
The disclosure provides a process of treating an ore comprising a sulphide material. The process comprises providing a slurry of the ore comprising the sulphide material and adding a first oxidising agent and a second oxidising agent to ...  

Matches 51 - 100 out of 10,200