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Matches 1 - 50 out of 8,775

Document Document Title
WO/2024/062285A1
The invention relates to a device for leaching the banks of a leach heap in order to perform differentiated irrigation and/or extraction of gases in different areas of a bank. The device comprises at least one sheet, at least one drive, ...  
WO/2024/060546A1
The present invention provides a method for feeding nickel, cobalt, and manganese metal liquids, comprising: respectively preparing three wet liquids; on the basis of an intelligent feeding system, performing calculation by means of a ca...  
WO/2024/064061A1
Described herein are various aspects of systems and methods for extracting and isolating re-usable materials from a metallurgical slags such as iron slag, steel slag, blast furnace slag, BOF slag, and/or EAF slag using aqueous acid and b...  
WO/2024/064680A1
The present invention relates to an integrated electrochemical lithium extraction process to directly produce lithium hydroxide from geothermal brine. The process integrates electrochemical silica removal, selective uptake and release of...  
WO/2024/064798A2
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...  
WO/2024/064332A2
Apparatus is provided for recovering mineral particles of interest from a pulp having crushed ore in a mining process, featuring: a conditioner configured to receive and condition a pulp having crushed ore with mineral particles of inter...  
WO/2024/064686A1
Electrolytic systems and methods are described for extracting lithium ions from a brine and depositing onto a conductive substrate to form purified lithium and lithium alloys suitable for use in lithium metal batteries. The methods allow...  
WO/2024/055071A1
A method of recycling a waste battery cathode material comprising lithium and at least one of nickel, cobalt and/or manganese, the method comprising: heating the waste battery cathode material in a reducing atmosphere to form a heat-trea...  
WO/2024/059371A1
The subject invention provides safe, environmentally-friendly compositions and efficient methods for solvent extraction. More specifically, the subject invention provides compositions derived from microorganisms for solvent extraction, w...  
WO/2024/055119A1
A solvent extraction (SX) cell for rare earth recovery comprising a mixer and a settler. The mixer includes a height and/or position adjustable mixer impeller and/or a fluid retaining inlet collar around a lower portion of the mixer impe...  
WO/2024/058441A1
Disclosed in the content of the present disclosure is a process for recovering a platinum-group metal with a high yield by using an organic phosphorus-based ionic liquid as an extracting agent, following bio-leaching of the platinum-grou...  
WO/2024/057307A1
The invention provides a process which comprises the steps of obtaining a strongly acidic pregnant leach solution ( PLS ) that was produced by acid leaching of electrode material of lithium- ion batteries; adding a carbonate source to th...  
WO/2024/056465A1
There is described a method of processing a metal-containing fluid (101), the method comprising: i) providing the metal-containing fluid (101) that comprises at least one metal in a first oxidation state; ii) performing a membrane electr...  
WO/2024/058216A1
Provided is a metal extraction agent for extracting metal ions present in an aqueous phase into an oil phase, wherein nitrogen atoms positioned at both ends of a molecular chain constituting the metal extraction agent do not constitute a...  
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...  
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.  
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...  
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...  
WO/2023/239394A3
A system for selective electrodeposition for metal recycling includes an electrochemical cell comprising: a fluid including first and second transition metals and a salt at a molar concentration of greater than 1 M; a working electrode i...  
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 ...  
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...  
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...  
WO/2024/035752A3
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...  
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 ...  
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...  
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...  
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...  
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...  
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 ...  
WO/2024/054641A1
The present disclosure is related to carbonation and selective ammonia leaching for the recovery of minor metals.  
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...  
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...  
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...  
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...  
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 (...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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.  
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...  
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...  
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...  
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...  
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(...  
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...  

Matches 1 - 50 out of 8,775