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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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WO/2023/140198A1 |
The present invention provides a method for recovering a valuable substance, the method recovering lithium carbonate that has a boron level of less than 1 ppm and a calcium level of 100 ppm or less from lithium ion secondary batteries. T...
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WO/2023/133608A1 |
A process and system are disclosed for producing a lithium product from a solution comprising lithium nitrate. The solution comprising lithium nitrate can be obtained by reacting a lithium-containing metal silicate with nitric acid. The ...
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WO/2023/133613A1 |
Provided is a method for purification of manganese pregnant leach solution (PLS) using solvent extraction (SX). The method broadly comprises the steps of providing a partially purified aqueous pregnant leach solution (PLS), using an SX l...
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WO/2023/136569A1 |
The present invention relates to a method for recovering magnesium from sediment generated in an electrolytic chlorine generation system using seawater or brackish water, the method comprising the steps of: eluting magnesium by using sul...
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WO/2023/131066A1 |
Disclosed in the present application are an autoclave acid-feeding system and control method, which relate to the technical field of smelting apparatuses and methods. The system comprises an autoclave, an acid-feeding pipeline and a vent...
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WO/2023/131087A1 |
The present invention provides a method for continuously enriching nickel and cobalt from a low-concentration nickel-cobalt solution. The method comprises: step S1, adding an alkaline precipitant to a low-concentration nickel-cobalt solu...
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WO/2023/131068A1 |
The present invention relates to trivalent actinides and lanthanides, and a trivalent actinide integrated extraction and separation method. The method comprises: adjusting a pH value of a solution containing trivalent lanthanide and acti...
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WO/2023/133253A2 |
Removing metal from metal-carbon material includes contacting the metal-carbon material with hydrogen chloride, thereby yielding a metal chloride in the gas phase and a solid product comprising carbon. The metal-carbon material and the s...
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WO/2023/132124A1 |
Provided is a method for recovering a metal from lithium ion battery waste, the method comprising a wet treatment in which a metal including lithium in lithium-ion battery waste is leached with an acid, and the metal is extracted from a ...
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WO/2023/132297A1 |
Provided is a method for efficiently recovering metals from lithium ion battery waste while reducing the use of sodium hydroxide as a pH adjuster. A method for recovering metals from lithium ion battery waste includes wet processing of...
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WO/2023/126495A1 |
Method of producing a carbonate bonded article, comprising preparing a reactive mixture comprising a particulate mineral source and an aqueous source, and reacting the reactive mixture with carbon dioxide to form a mineral matrix compris...
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WO/2023/126557A1 |
The present invention relates to a method for obtaining lithium (Li), nickel (Ni) and cobalt (Co) from discarded lithium ion batteries, which comprises a step of carbothermic reduction and a step of magnetic separation. The invention is ...
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WO/2023/126403A1 |
A radionuclide separating system for separating a 213Bi daughter radionuclide from a 225Ac parent radionuclide, the radionuclide separating system comprising: an inlet for loading a liquid solution comprising the 225Acparent radionuclide...
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WO/2023/127682A1 |
The present disclosure provides a coalescer filter that is used in a solvent extraction method for collecting metal contained in a secondary battery, said coalescer filter comprising first and second filter media, wherein the first filte...
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WO/2023/124935A1 |
Provided is a method for separating iron element from a brine, comprising: adding a pH regulator to the brine to adjust the pH value of the brine to 6.0-7.0, and controlling the temperature of the brine at 75-90 °C; introducing an oxyge...
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WO/2023/126577A1 |
According to an example aspect of the present invention, there is provided a hybrid scavenger system for scavenging of metal ions and complexes and non-metal anions and cations from fluid. The hybrid scavenger system comprises granular a...
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WO/2023/123621A1 |
A method for preparing a battery material by using a nickel-iron alloy, the method comprising: leaching a nickel-iron alloy, and filter pressing same to obtain a first filtrate and a first filter residue; adding an impurity removal agent...
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WO/2023/115605A1 |
An acid-insoluble slag backwashing apparatus and a use method thereof. The apparatus has a novel structure and comprises a first filter pressing device (100), a feeding device (200), a cleaning tower (300), a pumping device (400) and a s...
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WO/2023/119017A1 |
This invention describes a hydrometallurgical process for extracting and recovering valuable metals contained within metalliferous minerals including ores, concentrates and other materials and generation of useful by-products including s...
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WO/2023/115839A1 |
A cemented carbide scraps recovery treatment method, comprising the following steps: S1, weighing cemented carbide of a preset weight and putting same into a preheating container for preheating; S2, transferring the preheated cemented ca...
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