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WO/2023/189436A1 |
A method for leaching at least one metal in battery powder containing at least copper and one or more of cobalt and nickel, the method including a leaching process repeating multiple times, wherein the leaching process includes: a first ...
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WO/2023/188489A1 |
This method for leaching metals in a battery powder containing at least copper as well as cobalt and/or nickel has a leaching process repeated a plurality of times. The leaching process includes: a first leaching step for leaching the me...
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WO/2023/190990A1 |
In this lithium recovery device 1, a processing tank 7 is provided that is partitioned into an acid recovery tank 11, a lithium supply tank 12, an alkali recovery tank 13, and a lithium recovery tank 14, in that order. The lithium recove...
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WO/2023/191737A1 |
The invention relates to a new method for obtaining Zn and Pb metals from Zn-Pb ores which is using non-aqueous solvents such as molecular organic solvents, ionic liquids, and deep eutectic solvents instead of aqueous solutions and which...
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WO/2023/185097A1 |
Disclosed in the present invention are a system for extracting lithium from seawater by using offshore wind power and a working method. According to the present invention, lithium ions and chloride ions in the seawater are respectively a...
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WO/2023/192192A1 |
The present invention relates to the extraction of lithium from liquid resources such as natural and synthetic brines, leachate solutions from clays and minerals, and recycled products with the assistance of an alternate phase.
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WO/2023/183177A1 |
Black mass from disused lithium batteries is leached for recovery of various metals in a process that includes precipitation, solvent exchange, ion exchange, and salt splitting to create multiple product streams for recovery of pure valu...
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WO/2023/180673A1 |
The invention relates to a method for recovering indium contained in a substrate comprising an indium tin oxide film locally covered with a metal layer that is is made of silver or a platinum-group metal, the method comprising a dissolvi...
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WO/2023/180174A1 |
The present invention relates to a method for the elution of aluminum ions and/or zinc ions of polymers containing aminomethylphosphonic acid groups.
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WO/2023/182562A1 |
The present invention relates to a method for recovering, at a high level of purity, valuable metals contained in waste product powder by selectively removing impurities therefrom by means of leaching, purification, and solvent extractio...
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WO/2023/182561A1 |
The present invention relates to a method that allows, from lithium secondary battery waste material powder, removal of impurities, such as iron and aluminum, by means of a solvent extraction technique and the like, and recovery of valua...
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WO/2023/175161A1 |
The present disclosure relates to a process for generating a metal-containing aqueous solution, the process comprising carrying out acid leaching on a lithium-containing feedstock and carrying out acid leaching on a metal-based raw mater...
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WO/2023/176545A1 |
A method for processing a lithium ion secondary battery according to the present invention comprises: a grinding and classification step (S02) in which a lithium ion secondary battery is ground and classified so as to obtain an electrode...
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WO/2023/175157A1 |
According to an example aspect of the present invention, there is provided a method for processing a black mass to battery chemicals. The method comprises leaching the black mass using sulfuric acid and a reducing agent to produce a firs...
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WO/2023/173221A1 |
The present invention concerns new strains of cyanogenic bacteria, and more particularly alkali-tolerant Pseudomonas bacteria, that are useful to gold mining activities. These bacteria are useful to leach gold from any source including o...
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WO/2023/173133A1 |
Method(s) and apparatus for direct lithium extraction from brine solutions via a combined solvent extraction and electrowinning process. This process involves solvent extraction integrated with an electrodeposition of lithium metal from ...
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WO/2023/172086A1 |
The present invention has the advantage of recovering high-purity lithium hydroxide from a discarded sagger that is to be scrapped, by pulverizing the sagger and then recovering nickel oxide and cobalt oxide, which are positive electrode...
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WO/2023/167910A1 |
A method and apparatus are presented for recovering a target metal from a feed material. The method includes: contacting the feed material with a lixiviant adapted to leach target metal from a feed material feed stream in a leaching circ...
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WO/2023/166118A1 |
The present invention provides a process for the preparation of a nickel sulphate solution in a column reactor, whereby metal particles containing nickel are reacted with an oxidative leach solution comprising sulphuric acid and hydrogen...
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WO/2023/163658A2 |
Processes and systems for recovering metals from a lithium-ion battery waste stream include optionally conducting a leaching process to form a leachate stream, purifying the leachate stream in a first reactor to remove fluorine (F), phos...
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WO/2023/164279A1 |
A method of recovering lead, antimony tin from lead acid batteries, lead bearing scrap and other lead bearing materials which includes smelting lead bearing materials in a reverb furnace to recover metallic lead; leaching the resultant s...
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WO/2023/159318A1 |
The present document related to the processing of mining materials, such as ores, rocks, minerals, and aggregate materials to separate valuable components. There is provided a process and system for extracting a valuable component from a...
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WO/2023/161196A1 |
It is disclosed a process for treating a NOx-containing gas (2) resulting from a leaching process (100) wherein said leaching process includes the treatment of ores (104) with nitric acid (106) to separate materials contained in the ores...
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WO/2023/157378A1 |
An aluminium removal method, comprising: a leaching step in which battery powder obtained from lithium-ion battery waste and containing at least one of aluminium, nickel and cobalt is leached with an acid to obtain a leached solution, wh...
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WO/2023/157377A1 |
A method for recovering a neodecanoic acid or phosphonic acid ester-based extractant from an aqueous solution containing the neodecanoic acid or phosphonic acid ester-based extractant, wherein the equilibrium pH when recovering the neode...
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WO/2023/158754A1 |
A rare earth metal extracting bacterial consortium can include an acid secreting bacterium, a heavy metal resistant bacterium, an iron-sequestering molecule secreting bacterium, and a rare earth metal sequestering bacterium. In another e...
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WO/2023/159041A1 |
Provided herein are assemblies and methods for lithium, magnesium, and/or calcium extraction. In various embodiments, an assembly includes a leaching tank defining an interior chamber having one or more inlets and one or more outlets. Th...
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WO/2023/158008A1 |
The present invention relates to a solvent extraction method using two-stage extraction for separating and recovering nickel, cobalt, and manganese. More specifically, using starting material containing nickel (Ni), cobalt (Co), and mang...
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WO/2023/156345A1 |
The present invention relates to the field of recovery of rare-earth metals, in particular to a process for the recovery of neodymium (Nd) from e-wastes from ceramic -based electronic components, in particular from waste printed circuit ...
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WO/2023/157826A1 |
A zinc recovery method comprising: an alkaline melting step 102 for bringing, at a temperature equal to or higher than the melting point of sodium hydroxide, a material (1) and the like into contact with molten sodium hydroxide which is ...
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WO/2023/156448A1 |
Process for the separation of Li from oxides of one or more of Co and Ni contained in a feed, comprising the steps of: contacting, in aqueous medium, the feed with a quantity of sulfidizing agent, sufficient to convert a major part of th...
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WO/2023/158757A1 |
A method of recovering a rare earth metal can include incubating a bacterial consortium in the presence of a rare earth metal source comprising a rare earth metal and iron. The bacterial consortium can include an acid secreting bacterium...
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WO/2023/152655A1 |
A hydrometallurgical process whose main purpose is the recovery of metals V, Mo, Ni and Co from many types of industrial waste.
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WO/2023/150855A2 |
The present invention relates to a method of recovering materials derived from nickel ore, involving a method for obtaining nickel ore concentrate and a method for processing said concentrate, whereby nickel ore can be processed in an ef...
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WO/2023/153291A1 |
This invention relates to a noble metal recovery agent comprising coffee fruit as an active ingredient.
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WO/2023/154077A1 |
An improved method for recovering metals from spent supported catalysts, including spent supported hydroprocessing catalysts. The method and associated processes comprising the method are useful to recover spent supported catalyst metals...
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WO/2023/154741A2 |
Methods for processing black mass material from lithium-ion battery recycling processes include fractionating the black mass into a lithium fraction, a graphite fraction, and a concentrated metal powder fraction. This is accomplished usi...
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WO/2023/153534A1 |
The present invention relates to a valuable metal mining method with in-situ leaching, the method comprising the steps of: (a) forming, in a mine in which valuable metal is located, an injection well and an extraction well positioned at ...
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WO/2023/148174A1 |
Disclosed are methods for leaching a material comprising copper in a zero oxidation state, wherein the method comprises contacting the material with an acidic aqueous solution having a pH less than 6 to form a leaching mixture, and oxidi...
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WO/2023/148760A1 |
The various embodiments of the present invention provide a system and method for extraction of metal values from active material of Lithium-ion batteries. The system comprises a separation module and an extraction module. The extraction ...
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WO/2023/148774A1 |
The present invention relates to novel processes for recovering iron values from the bauxite residue. It comprises drying the red mud either directly or after neutralizing or after water washing. The bauxite residue was treated with iron...
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WO/2023/147804A1 |
The present invention relates to a method of physical and energetic utilization of silicon components that are obtained in electrical scrap recycling. In order to create a recycling method which is effective in terms of time, plant techn...
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WO/2023/148644A1 |
The present disclosure relates to simple, efficient and economical method for recovering manganese from manganese ore including but not limited to lean manganese ore, sub-grade manganese ore and low grade high iron bearing manganese ore....
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WO/2023/150358A1 |
Disclosed herein are systems and methods relating to simultaneous waste processing and recovery of rare earth elements from a waste ash source. In some examples, the method includes contacting a REE-containing waste ash source with a che...
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WO/2023/149153A1 |
The present invention provides a platinum-group metal recovery agent that is represented by general formula (1) and a platinum-group metal recovery method that involves using the platinum-group metal recovery agent to recover platinum fr...
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WO/2023/142674A1 |
A method for removing aluminum from a strong alkali solution. The method comprises: concentrating and filtering a strong alkali solution, taking a first concentrated solution, and adding an aluminum removing agent thereto to obtain a sil...
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WO/2023/141456A1 |
Bioleaching compositions for processing ores or other matter including metal or metal salt are presented, where the bioleaching composition includes a biosurfactant and metal solubilizing reagents. The biosurfactant can be a sophorolipid...
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WO/2023/137523A1 |
Disclosed herein is a process for recovering one or more rare earth elements from a phosphate ore that comprises the one or more rare earth elements. The process can comprise mixing the phosphate ore comprising the one or more rare earth...
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WO/2023/140084A1 |
Provided is a method for recovering lithium from an aqueous solution in which a lithium salt is dissolved, the lithium being recovered in a short time using small equipment. The method for recovering lithium from a lithium-salt-containin...
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WO/2023/140413A1 |
The present invention relates to a method for selectively leaching lithium and aluminum from mixed carbonate precipitate (MCP). More specifically, a highly pure MCP can be produced by selectively leaching lithium (Li) and aluminum (Al) c...
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