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WO/2024/108266A1 |
The present invention relates to a method for the recovery of manganese from a manganese containing material, the method comprising the steps of: (i) subjecting the manganese containing material to an acid leach step comprising contactin...
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WO/2024/108267A1 |
The present invention relates to a method for the recovery of manganese from an acidic leach solution comprising manganese ions, the method comprising the steps of: (i.) subjecting the acidic leach solution to one or more preliminary imp...
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WO/2024/064798A3 |
Provided herein are a method and system to selectively recover lithium with improved mass recovery and high purity. The method includes providing an initial feed with a dissolved mass of lithium ions and (i) an initial ratio of monovalen...
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WO/2024/110870A1 |
Processes are provided in which successive steps of hydrometallurgical value extraction may be carried out using the products of carbon capture and an electrolytic reagent-generating process. The electrolytic process provides an acid lea...
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WO/2024/112811A2 |
A gas injection module for separating minerals is disclosed. The gas injection module injects a gas to a supersaturated solution containing at least one mineral. The gas injection causes at least a portion of the supersaturated solution ...
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WO/2024/108876A1 |
Provided in the present invention is a method for preferentially recovering manganese from a waste lithium-rich manganese-based positive electrode material. The method comprises: step 1) roasting and leaching: mixing a waste lithium-rich...
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WO/2024/107008A1 |
The present invention pertains to a method for selectively separating specific metals from a metal mixture-containing leachate by using a rotary reactor, the method comprising the steps in which: an aqueous feed phase, which includes the...
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WO/2024/105263A1 |
Compositions and processes for removing/recovering heavy metal ions in s phosphoric acid containing streams by adding reagents having at least one dialkyldithiophosphate compound, with the alkyl chain length of C8 to C18, at least one di...
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WO/2024/106310A1 |
A method for recovering metals from a metal-containing solution containing nickel ions, lithium ions, and anions of an inorganic acid, the method including: a nickel extraction step including extraction that mixes the metal-containing so...
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WO/2024/106897A1 |
The present invention provides: a method for recovering lithium with high efficiency from low-grade lithium minerals through process improvement, whereby a process for recovering lithium from lithium-containing minerals by acid-roasting,...
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WO/2024/106631A1 |
The present invention relates to a system for recovering valuable metals from a used crucible for firing a cathode, the system comprising: a crucible input unit provided to input, into the system, a used crucible containing LiAlO2 and ca...
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WO/2024/106580A1 |
By utilizing oxygen pressure leaching of low-quality MHP generated during a process of preparing a precursor for a secondary battery cathode material according to an embodiment of the present invention, the precipitation of iron, of whic...
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WO/2024/106652A1 |
The present invention pertains to a method for recovering precursor metals for a secondary battery positive electrode material by using synergistic solvent extraction using an extractant decomposition prevention technique, the method com...
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WO/2024/106640A1 |
The present invention provides a method for recovering metallic reduced iron (Fe3O4, FeO, and Fe) and aluminum oxide, from a mineral iron oxide (Fe2O3) component contained in red mud, an industrial waste, and existing in a hematite or ma...
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WO/2024/105264A1 |
A method of extracting lithium hydroxide from a lithium containing solid such as lithium ore or lithium batteries. The problem addressed by the invention is the provision of an extraction method where non-lithium components are removed s...
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WO/2024/103106A1 |
A hydrometallurgical method for treating a sulphide concentrate (101) in a continuously operating oxidative leach reactor, the sulphide concentrate (101) comprising a blend of electronegative and electropositive elements, the method comp...
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WO/2024/101982A1 |
The present invention discloses a method to extract the RE from tin tailings. Apart from that, the tin tailings sample contain substantial content of other minerals, namely Anatase (21.5%), Rutile (5.3%), Zirconia (10.4%) and Cassiterite...
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WO/2024/099669A1 |
The present invention is directed to the beneficiation of low-grade iron bearing minerals via wet magnetic separation. More particularly, the invention is directed to the enhancement of the magnetic separation process efficiency by the a...
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WO/2024/099668A1 |
The present invention is directed to the beneficiation of low-grade iron bearing minerals via wet magnetic separation. More particularly, the invention is directed to the enhancement of the magnetic separation process efficiency by the a...
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WO/2024/098097A1 |
A method of recovering a target metal such as gold, from a mineral source, includes the step of treating the mineral source under acidic conditions in the presence of a nitrogen oxide such as nitric acid at a temperature no greater than ...
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WO/2024/098089A1 |
The present disclosure generally relates to acid neutraliser compositions. In particular, the present disclosure particularly relates to acid neutraliser compositions comprising magnesite obtained from mined material which can be used to...
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WO/2024/099667A1 |
The use of a phosphoric acid ester to improve the recovery rate of iron from an aqueous slurry of a fine-grained crude iron ore comprising an iron ore and a gangue mineral in a magnetic separation process, the phosphoric acid ester compr...
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WO/2024/102841A2 |
A dissolved species (e.g., sulfur) is concentrated from a feed liquid by passing the feed liquid into a first reverse-osmosis module of a first reverse-osmosis assembly, where the feed liquid is separated with a membrane to produce a per...
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WO/2024/095343A1 |
Cellulose acetate flakes according to the present invention comprise a cellulose acetate having an acetylation degree of 0.80-2.90 and having an average space velocity SV of higher than 1.0 h-1 as determined by a prescribed method. This ...
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WO/2024/092374A1 |
The invention relates to a biofilter and a method for the oxidation of methane generated in industrial, agricultural and sanitary landfill processes, among others, wherein the methane oxidation is biological, requiring methanotrophic mic...
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WO/2024/095994A1 |
These cellulose acetate flakes are composed of cellulose acetate having a degree of acetyl substitution of 0.80-2.90, the average space velocity SV derived through a prescribed method being more than 1.0 h−1 to 120 h−1. This gold rec...
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WO/2024/095738A1 |
Disclosed is a method for separating a transition metal and Li, the method comprising: a step for obtaining a first solution containing Li ions, Ni ions, and carboxylate anions by dissolving a compound containing Li and a transition meta...
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WO/2024/097961A1 |
Provided are methods for the capture of energy critical high value metals and an apparatus or system for an electrochemical approach to produce Ca- and Mg-hydroxides, silica, and leach metals into the solution phase that can be sequentia...
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WO/2024/093526A1 |
A mixed rare earth ore concentrate suspension state ore phase transformation-clean leaching system and a use method thereof, relating to the field of ore dressing and metallurgy and the field of comprehensive resource recovery. The syste...
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WO/2024/097211A1 |
Methods comprise generating chlorine gas in a conversion process that converts metal chloride from an aqueous medium derived from a metal containing aqueous source into a hydroxide material; recovering the chlorine gas; and recovering br...
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WO/2024/095737A1 |
The disclosed method for isolating a transition metal and Li comprises a step in which a compound including Li and the transition metal is reacted with a carboxylic acid in water to obtain a slurry comprising both a first solution, which...
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WO/2024/089526A1 |
A process for the decomposition of a rare earth-bearing mineral comprises the steps of providing a bed comprising a feedstock material mixed with a source of an oxoacid of sulphur on a conveyor movable by a conveyor system, the feedstock...
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WO/2024/089394A1 |
The present invention provides a process for producing high purity, lithium hydroxide hydrate or anhydrous lithium hydroxide from lithium mica suitable for use in lithium-ion batteries. The process comprises pelletising a lithium mica, p...
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WO/2024/087437A1 |
Disclosed are a waste lithium battery positive electrode sheet recycling treatment device and a method thereof. According to a table of reactivity series of metals, iron is stronger than hydrogen, and thus iron ions in a ferric sulfate s...
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WO/2024/090313A1 |
The present invention provides a method for recovering valuable materials from lithium ion secondary batteries, the method comprising: a heat treatment step in which a heat treated material is obtained by subjecting lithium ion secondary...
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WO/2024/090672A1 |
The present invention relates to a recycling device for waste lithium-ion batteries, which has an improved structure that performs in a single device both the preprocessing step including discharge and crushing processes, and the postpro...
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WO/2024/083881A1 |
The present invention provides a process for selective leaching of nickel from a mixed hydroxide precipitate comprising nickel, cobalt, manganese and carbon, wherein carbon is comprised as organically bound carbon and/or graphite in an a...
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WO/2024/086299A1 |
A valve seat and blast tube assembly comprising: a valve seat coaxially disposed within a blast tube/choke assembly, the valve seat comprising a valve seat housing; a flash vessel flange comprising a central aperture, the valve seat disp...
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WO/2024/082020A1 |
The invention relates to a method of providing an ore concentrate solution suitable for beneficiation processing, the method including the step of contacting an ore with one or more metal bases at elevated temperature. The one or more me...
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WO/2024/082063A1 |
A method for direct cathode regeneration from spent lithium-ion batteries. The method includes treating black mass with organic acids to leach the valuable metal elements, and the residual impurities removal by filtration and further tre...
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WO/2024/084229A1 |
The present invention relates to a process for simultaneous calcium impurity removal and leaching of lithium material from a calcined product. The process comprises leaching a calcined product in an aqueous leach liquor in a vessel to pr...
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WO/2024/082057A1 |
A process for the extraction and recovery of rare earth elements is described herein. More specifically, the process comprises leaching the rare earth element-containing material in an acidic solution while simultaneously sonicating the ...
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WO/2024/084233A1 |
The present invention provides a process for producing high purity lithium carbonate from lithium-mica. The process comprises pelletising a lithium-mica with a mixture of reagents; and calcining the pelletised lithium-mica reagent mixtur...
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WO/2024/084289A1 |
The present invention relates to a blanket, cover or coating (1, 1') for the distribution and/or extraction of a flow of fluid towards and/or from a leach heap that it covers, the configuration of which allows the distribution and/or ext...
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WO/2024/081701A1 |
Leaching solutions useful for extracting metals from ore. The leaching solutions include a leaching aid and an oxidant. The oxidant may be introduced into the leaching solution or a raffinate from a mining operation in the form of nanobu...
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WO/2024/077870A1 |
A self-operating lithium extraction device for a salt lake. The device comprises an adsorption reaction mechanism (1), a feeding mechanism (2) and a supporting mechanism (3), wherein the feeding mechanism (2) is connected to the top of t...
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WO/2024/079439A1 |
A method of treating zinc-containing by-product is provided. The method comprises contacting an aqueous liquid with slag to produce a treatment composition having a pH of from 8 to 11; and contacting the treatment composition with ferrou...
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WO/2024/081705A1 |
Disclosed herein are leaching solutions including a leaching additive having at least one organic compound having a sp3 hybridized sulfur and/or a sulfoxide; and a lixiviant. Also disclosed are methods of preparation and use thereof.
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WO/2024/081721A1 |
A method of extracting a metal of interest comprises dissolving an oxidizable metal compound in an electrolyte contained in an electrochemical cell; dissolving a sulfoarsenide compound comprising the metal of interest in the electrolyte;...
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WO/2024/079539A1 |
The invention relates to a method and a system for the processing of rare earth concentrate, which allow efficiency to be improved in terms of recovering the mineral and the resources involved in the process. The method comprises the ste...
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