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WO/2024/059051A2 |
A hydrophobic deep eutectic solvent includes a combination of at least two of (a) a hydrophobic component, (b) an acidic component, and (c) a reducing agent. The solvent is useful in a method of recovering critical metals from lithium-io...
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WO/2024/057024A1 |
The present invention relates to a process of providing titanium dioxide and/or vanadium oxide from feedstocks comprising minerals and/or slags comprising titanium and/or vanadium.
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WO/2024/058215A1 |
The present invention provides: a method for separating and recovering metal ions, wherein an aqueous phase that contains two or more kinds of metal ions in different groups, the metal ions being selected from among those of the fourth t...
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WO/2024/057216A1 |
A method of extracting copper from a sulfide mineral ore including the steps of stacking the ore to form a heap, in a leach step, irrigating the heap with a first irrigation solution containing an acid nitrate solution and nitrite thereb...
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WO/2024/057234A1 |
Systems, devices, and methods for recovering gold from a loaded resin are disclosed herein. Exemplary methods for recovering gold from a loaded resin can (i) include providing a copper wash solution comprising thiourea and a pH within a ...
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WO/2024/057736A1 |
Provided is a method for recovering nickel, cobalt, and manganese from a compound including metal oxides of nickel, cobalt, and manganese in which the concentration of manganese in recovered materials is kept low while increasing the con...
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WO/2024/059265A2 |
A method for obtaining a metal salt from a spent lithium-ion (Li-ion) battery may include contacting a leaching solvent to a portion of the spent lithium-ion battery to form a first dispersion. The first dispersion is heated to a tempera...
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WO/2024/052760A1 |
This invention relates to a process (10) for producing manganese sulphate monohydrate (50). The process includes the steps of (B) leaching an ore (12) in sulphuric acid (14) to produce a first manganese solution (16); (C) contacting the ...
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WO/2024/052377A1 |
The invention relates to the use of a hydrocarbon fluid as a diluent for liquid-liquid extraction of metals, in particular in a hydrometallurgical process for battery recycling, said hydrocarbon fluid comprising at least 75% by weight of...
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WO/2024/053596A1 |
(Problem) The purpose of the present invention is to provide a method for recovering rare-earth elements comprising, while recovering scandium from iron and steel slag, crudely separating scandium and a rare-earth element other than scan...
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WO/2024/053621A1 |
The present invention relates to a noble metal separation method that is characterized by adding at least one heterocyclic compound selected from aliphatic heterocyclic compounds and aromatic heterocyclic compounds to a solution containi...
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WO/2024/054103A1 |
The present invention relates to a method for selectively upgrading the elements in a material obtained from a mixture of end-of-life batteries. The invention relates more particularly to the field of upgrading the metal elements includi...
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WO/2024/053487A1 |
This metal recovery agent comprises a reducing compound which is represented by chemical formula (1), and causes a metal to precipitate by means of reduction caused by the reducing compound. In chemical formula (1), R1 represents CH3 or ...
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WO/2024/054641A1 |
The present disclosure is related to carbonation and selective ammonia leaching for the recovery of minor metals.
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WO/2024/053147A1 |
A method for recovering a metal from a battery powder of waste lithium ion batteries, wherein a metal-containing solution that is obtained by leaching the battery powder contains lithium ions, magnesium ions, and at least one kind of met...
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WO/2024/046656A1 |
The invention relates to a process for the selective heavy metal removal from iron- and/or steelmaking flue dust, the process comprising the steps of: preparing a feedstock (FS) by blending or mixing a chloride precursor material (CPM) a...
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WO/2024/050462A1 |
Provided are methods for recovering a rare earth metal from an aqueous solution containing at least two metals. The methods entail: providing an aqueous solution containing rare earth metal ions from a rare earth metal and base metal ion...
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WO/2024/047281A1 |
The present invention relates to a method for recovering lithium from a stream containing lithium, the method comprising contacting the stream, or a pre-treated solution obtained from said stream, with an aluminium-containing material to...
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WO/2024/040308A1 |
A sensor apparatus (10) which has a sensor mount (12) for mounting one or more sensors (16) in a body of liquid. The sensor mount (12) has a mounting portion (38) to which one or more sensors (16) are mounted, so that a sensing portion (...
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WO/2024/043228A1 |
The present invention addresses the problem of providing a method for producing a lithium hydroxide aqueous solution, the method comprising a membrane electrolysis step in which a lithium salt aqueous solution is electrically decomposed ...
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WO/2024/040891A1 |
The present application belongs to the technical field of mineral extraction, and disclosed is a treatment method for carbonate lithium clay. By means of repeated scrubbing and mixed material particle grading in the method, coarse-graine...
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WO/2024/040900A1 |
A continuously operating system for separating and enriching cobalt from a high-impurity content cobalt solution, and a method therefor, the continuously operating system adopting a novel internal switching multi-way valve design concept...
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WO/2024/042099A1 |
Disclosed herein are methods for extracting one or more metals from a material, wherein the method comprises: contacting the material with an acidic aqueous solution having a pH less than 7, and reducing, with an alkyl carbonate, one or ...
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WO/2023/081890A9 |
Disclosed herein are hydrogels comprising electrochemically active bacteria and reduced graphene oxide integrated with the outer membrane of the bacteria and methods of making and using the same for metal recovery. Also disclosed are bio...
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WO/2024/042233A1 |
The invention relates to a method for treating used cathode material (200) from used lithium-ion batteries and/or reject cathode material (200.1) from defectively produced and unused lithium-ion batteries to produce a recycled cathode ma...
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WO/2024/044296A2 |
Disclosed herein are methods for the recovery of one or more critical minerals. More specifically, disclosed herein methods allow evaluation of the sample of the source to determine a spatiochemical type of the sample and adjust the reco...
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WO/2024/042238A2 |
Provided herein are a biological sorbent reagent for extracting a metal from a solution comprising the metal, comprising one or more of a Mucoromycota fungus and a prepared or processed biomass of the Mucoromycota fungus, a biological so...
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WO/2024/042189A1 |
The present invention relates to a method for producing cathode material from spent batteries, and to cathode material obtained according to the method of the invention.
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WO/2024/040910A1 |
Disclosed is a method for recovering valuable metals from a waste lithium-ion battery. The method comprises the following steps: S1: discharging the waste lithium-ion battery in a discharge solution containing sulfate, then mixing with s...
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WO/2024/040302A1 |
A process for preparing high purity alumina from aluminium chloride hexahydrate solids. The process comprises digesting aluminium chloride hexahydrate solids having one or more inorganic impurities in hydrochloric acid to produce an alum...
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WO/2024/043046A1 |
A method for fixing carbon dioxide according to an embodiment of the present invention comprises: a flow-through step for allowing a polyol compound-containing solvent to flow through a slag layer formed by filling a vessel with a calciu...
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WO/2024/042115A1 |
The present invention provides a process for preparing a high-purity nickel sulphate solution, comprising the steps of: i. forming an aqueous mixed metal sulphate solution by reacting sulphuric acid with a raw material feed comprising ni...
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WO/2024/042225A1 |
The invention relates to a method for separating the components of assemblies containing solder by oxidizing Fe(II) to Fe(III) by means of at least one Fe(II)-oxidizing microorganism and by at least partially leaching solder, wherein Fe(...
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WO/2024/039055A1 |
A method for producing nickel sulfate, according to exemplary embodiments, may comprise preparing a nickel-containing raw material. A first leachate may be produced by selectively leaching nickel from the nickel-containing raw material b...
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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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