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WO/2024/036914A1 |
A washing technological process for increasing the nickel-cobalt separation rate of a nickel adsorption resin. The washing technological process comprises the following steps: (1) introducing a nickel-cobalt sulfate solution containing i...
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WO/2024/039795A1 |
A method of recovering copper from a feed material includes steps of: leaching the feed material with a lixiviant adapted to leach the copper from a feed material feed stream in a leaching circuit having a plurality of leaching vessels V...
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WO/2024/033477A1 |
The present invention relates to waste treatment and provides a process for depletion of zinc from Zn-coated Fe by subjecting the Zn-coated Fe to a leaching step in an acidic solution comprising Fe3+ to provide an acidic solution contain...
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WO/2024/033165A1 |
Disclosed herein are methods for obtaining a composition comprising copper sulfide from a material, wherein the methods comprise: contacting the material with an acidic aqueous solution having a pH less than 6 in the presence of sulfur d...
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WO/2024/035752A2 |
A composition for use as a collector, leaching aid, sequestrant or chelant, comprising at least one at least one derivatized carbohydrate surfactant such as an alkyl derivatized polyglycoside, glycolipid, glycerol glycolipid, sphingo gly...
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WO/2024/034754A1 |
The present invention relates to a method for recycling a secondary battery material from a waste battery material comprising a metal oxide composed of various types of metals, and the method may comprise the steps of: a) providing a was...
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WO/2024/035944A1 |
A method of extracting a critical mineral cation from a composition is provided. The composition can be any type of composition having critical minerals. The method can include contacting a polyanion to a composition, wherein the composi...
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WO/2024/030972A2 |
A method for separating a rare earth metal. The method comprises contacting a solution comprising a rare earth metal with a first column to separate the rare earth metal into light, medium, and/or heavy rare earth metals; and contacting ...
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WO/2024/030253A1 |
Methods of solvent extraction are provided, including methods that exhibit improved phase disengagement times or reduced crud. The methods may include contacting an aqueous phase with a phase disengagement agent. The phase disengagement ...
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WO/2024/028564A1 |
A method of selectively extracting rhodium from an aqueous hydrochloric acid solution comprising rhodium and iridium, the method comprising: mixing a first aqueous hydrochloric acid solution comprising rhodium and iridium with an immisci...
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WO/2024/027447A1 |
Provided are a compound of formula (I) which is used as a lithium extracting agent. Further provided are a liquid organic mixture which contains the foregoing compound and is used for extracting lithium by means of extraction, and a meth...
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WO/2024/029355A1 |
Provided is a noble metal recovery kit that is capable of recovering highly pure noble metal from a metal secondary resource in a simple and energy-saving manner. A noble metal recovery kit according to the present disclosure is for re...
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WO/2024/030007A1 |
The present invention relates to a method for extracting lithium with electrolysis and a lithium extraction apparatus therefor. According to the present invention, lithium can be efficiently extracted by introducing a lithium source, suc...
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WO/2024/026575A1 |
A method for producing supplementary cementitious material. The method comprises contacting a mineral stream with an acid to form an activated mineral stream; reducing the moisture content of the mineral stream; and comminuting the miner...
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WO/2024/030853A2 |
The present disclosure is directed to processes and methods for recovering rare earth elements and scandium from acidic solutions. Transition metals, lanthanum, cerium, actinides, thorium, or a combinations thereof may be selectively rem...
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WO/2024/028786A1 |
The present invention relates to a method for selectively extracting a salt to be extracted from a brine to be treated containing the salt to be extracted, characterized in that: the brine to be treated (S1) is sent to what is referred t...
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WO/2024/020628A1 |
A method of recycling one or more valuable metal elements from a solid source material comprising the one or more valuable metal elements and fluorine, the method comprising: forming an acidic aqueous recycling feed by acid leaching the ...
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WO/2024/025943A1 |
A phase change crucible that includes an inner chamber comprising an inner chamber wall extending from an inner chamber floor to an inner chamber upper end, an outer chamber comprising an outer chamber wall extending from an outer chambe...
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WO/2024/023055A1 |
The present invention relates to a new hydrometallurgical process for recovering palladium from a spent catalyst, wherein a specific order of multiple process-steps is carried out.
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WO/2024/024930A1 |
The purpose of the present invention is to reduce the amount of neutralizing agent used in a hydrometallurgical process of nickel oxide ore without lowering the recovery of nickel. The present invention provides a hydrometallurgical me...
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WO/2024/021237A1 |
A recovery method for lithium iron phosphate. The method specifically comprises: mixing lithium iron phosphate and an acidic solution to prepare a slurry, mixing and leaching the resulting slurry and an oxidizing agent, and collecting a ...
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WO/2024/021290A1 |
The present invention relates to relates to the technical field of lithium battery recovery. Disclosed are a waste lithium battery leachate treatment method and a waste lithium battery recovery method. Iron-aluminum slag generated in the...
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WO/2024/025404A1 |
The invention consists in recycling and then purifying, by means of a closed-loop cascade of nanofiltrations, sulphuric acid for regenerating ion-exchange resin, and thus concentrating the uranium initially contained therein with a view ...
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WO/2024/020653A1 |
Microbial-assisted heap leaching of fragments or agglomerates of fragments of copper- containing sulfidic ores, such as chalcopyrite ores, and copper-containing sulfidic waste materials is disclosed. A heap leaching method includes contr...
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WO/2024/020692A1 |
A metal-dissolving apparatus and process is disclosed. The apparatus comprises a reactor, a metal inlet for receiving a metal-containing substance, a solution inlet for receiving a metal-dissolving solution, a solution outlet for providi...
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WO/2024/016080A1 |
A method and system for recovering lithium from a saltwater. Lithium in the saltwater is extracted by applying a first direct lithium extraction process to produce a first lithium recovery solution having a mass ratio of lithium content ...
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WO/2024/018232A1 |
A method of recycling lead-containing waste, the method comprising: providing a slurry of a lead-containing waste, the lead-containing waste comprising lead sulphate; passing the slurry through a comminution unit while controlling the pH...
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WO/2024/016522A1 |
The present invention relates to the field of non-ferrous metal metallurgy, and in particular, to a method for reducing acid and iron concentrations in a secondary copper sulfide ore bio-heap leaching system. The iron concentration in a ...
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WO/2024/016073A1 |
A composition for suppressing generation of acid mist in an electrowinning process. The composition includes about 1.5% to about 20% (m/m) of a C2 to C6 organic acid, about 15% to about 35% (m/m) of a diphenyl oxide disulfonate or diphen...
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WO/2024/020539A1 |
A system and/or method of recovering a metal, a mineral, a salt, and/or a lithium compound from a feed stream, the system comprising a multi-stage membrane system with inner stage pressure boosting pumps, and at least one energy recovery...
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WO/2024/020548A2 |
Provided are methods of extracting metals from rocks and sequestering carbon dioxide. In some embodiments, provided are methods of using phytomining to extract metals from ultramafic rocks while sequestering carbon dioxide. Provided are ...
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WO/2024/014540A1 |
Provided are a method for removing impurities that can effectively remove impurities such as fluoride ions, and a method for recovering metals. The method for removing impurities from a metal-containing solution obtained by leaching batt...
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WO/2024/014936A1 |
The present invention relates to an ion transport structure using a two-dimensional nanomaterial having defects, a method for preparing same, and a lithium extraction apparatus comprising same. According to the present invention, by usin...
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WO/2024/014520A1 |
Provided are a method for removing aluminum which can effectively remove aluminum, and a method for recovering metals. A method for removing aluminum includes a leaching step of bringing a raw material obtained from lithium ion battery w...
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WO/2024/014521A1 |
Provided are a method for removing aluminum which can effectively remove aluminum, and a method for recovering metals. A method for removing aluminum includes: a leaching step of bringing a raw material, the raw material having battery p...
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WO/2024/014804A1 |
The present disclosure describes an eco-friendly bio-based process for effectively recovering a rare earth metal from a rare earth metal source, particularly a low-grade phosphate mineral such as monazite, through solvo-chemical extraction.
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WO/2024/014144A1 |
Provided is a method for recovering valuable materials from lithium ion secondary batteries, said method comprising: a heat treatment step for obtaining a heat-treated material by subjecting a lithium ion secondary battery to a heat trea...
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WO/2024/014541A1 |
Provided is a method for recovering metals, which can produce a lithium hydroxide solution from a metal-containing solution and appropriately process the impurities separated at that time. The method for recovering metals from battery po...
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WO/2024/014522A1 |
Provided is a method for recovering metals, which can produce a lithium hydroxide solution from a metal-containing solution and appropriately process the impurities separated at that time. The method for recovering metals from battery po...
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WO/2024/008789A1 |
The present invention relates to a method for recovering bismuth (Bi) from a solid impurity stream generated during the pyrometallurgical production of copper, wherein the method comprises the steps of leaching the solid impurity stream ...
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WO/2024/008214A1 |
Disclosed in the present application is a preparation method for an ionic rare earth leaching agent. The preparation method comprises the following steps: (1) domesticating microorganisms by using a rare earth activated mineral powder cu...
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WO/2024/008465A1 |
The present invention relates to a process and an installation wherein a ternary system comprising an aqueous acidic solution, an organic solvent not miscible with water and a thermosensitive hydrotropic agent is used to selectively extr...
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WO/2024/006219A1 |
The method may comprise receiving historical data (e.g., mineralogy data, irrigation data, raffinate data, heat data, lift height data, geographic data on ore placement and/or blower data); training a predictive model using the historica...
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WO/2024/006689A1 |
The method may comprise receiving historical data (e.g., mineralogy data, irrigation data, raffinate data, heat data, lift height data, geographic data on ore placement and/or blower data); training a predictive model using the historica...
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WO/2024/006687A1 |
The method may comprise receiving historical data (e.g., mineralogy data, irrigation data, raffinate data, heat data, lift height data, geographic data on ore placement and/or blower data); training a predictive model using the historica...
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WO/2024/001716A1 |
A synergistic extraction method for selectively separating lithium and transition metals from waste batteries by using a hydrophobic deep eutectic solvent, relating to the technical field of hydrometallurgy. Provided is a synergistic ext...
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WO/2024/006437A1 |
A composition for extracting a metal, the composition comprising an organic phase comprising a crown either, an organic solvent, and an organic phosphate. The crown either may comprise B15C5 crown and the organic solvent may comprise chl...
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WO/2024/003452A1 |
According to an example aspect of the present invention, there is provided a method for processing a manganese containing material comprising: a) leaching the manganese containing material using sulfuric acid and hydrogen peroxide to pro...
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WO/2024/003163A1 |
The present invention relates to a method for separating carbon dioxide in the form of carbonates.
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WO/2024/006684A1 |
The method may comprise receiving historical data (e.g., mineralogy data, irrigation data, raffinate data, heat data, lift height data, geographic data on ore placement and/or blower data); training a predictive model using the historica...
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