| Document |
Document Title |
|
WO/2022/133458A1 |
A method of recovering lithium from a lithium-containing material comprises introducing a lithium-containing material to an electrochemical cell, transporting lithium ions from the lithium‑containing material through a cation exchange ...
|
|
WO/2022/125547A1 |
Methods of recovering precious metals and/or lithium from unconventional feed water sources. In approaches, the methods use a combination of one or more of ultrafiltration, nanofiltration, and/or reverse osmosis membranes. The unconventi...
|
|
WO/2022/119921A1 |
A method of extracting lithium from a lithium-bearing material including: (i) mixing the lithium-bearing material, gypsum, a sulfur-containing material, and a calcium-containing material and forming a feed mixture having a moisture conte...
|
|
WO/2022/119565A1 |
A method of extracting lithium from a lithium-bearing material including: (i) mixing the lithium-bearing material, gypsum, a sulfur-containing material, and a calcium-containing material and forming a feed mixture having a predetermined ...
|
|
WO/2022/119564A1 |
A method of forming lithium carbonate from a lithium-bearing solution including: evaporating the lithium-bearing solution to precipitate a first group of impurities; removing the first group of impurities to form a first purified solutio...
|
|
WO/2022/120311A1 |
Disclosed herein are methods of recycling elements, such as, e.g., lithium and/or nickel, from a solution, such as, e.g., methods of recovering reusable lithium and nickel from a waste stream produced by the delithiation of a lithium nic...
|
|
WO/2022/111228A1 |
The present invention relates to a method and device for preparing an ultrathin metal lithium foil. With regard to the problems of lithium preparation processes in the prior art having a high lithium preparation reaction temperature, a l...
|
|
WO/2022/106660A1 |
A process for extracting fluoride from a solution of high pH comprising more than 0.1 mol of alkaline hydroxide and/or alcoholate per liter dissolved in a polar solvent is described. The polar solvent is chosen from water, lower alcohols...
|
|
WO/2022/101549A1 |
The present invention relates to the recovery and purification of lithium from lithium containing sources, like lithium ion battery materials, using ion exchange. A lithium salt containing solution is passed through an acid cation exchan...
|
|
WO/2022/101930A1 |
A process (100) for treating spent lithium ion batteries (102) to recover metals is disclosed. The process includes discharging (104) the spent lithium ion batteries (106). The discharged lithium ion batteries are shredded 106) and roast...
|
|
WO/2022/094706A1 |
A treatment process for crystallizing a metal sulfate involving pre-treating a feedstock comprising calcium, magnesium, and/or lithium impurities, the pre-treating involving pre-leaching the feedstock in the presence of a lixiviant, sele...
|
|
WO/2022/097715A1 |
The present invention provides a method by which high-purity lithium hydroxide is efficiently produced with less energy, wherein only Li ions are recovered into a recovery liquid, with use of an Li permselective membrane, from a lithium ...
|
|
WO/2022/098119A1 |
The present invention provides a flux for refining molten magnesium, wherein the flux has a density lower than the density of molten magnesium and thus removes impurities while floating from the bottom to the top of the molten magnesium....
|
|
WO/2022/087655A1 |
The present invention relates to a method for the recovery of lithium products from an aqueous solution, the method comprising the steps of: (i.) contacting the solution with an alkaline material to precipitate a target amount of magnesi...
|
|
WO/2022/088641A1 |
The present invention relates to the technical field of resource recovery, and discloses a non-full extraction battery recovery method, comprising the following steps: introducing pre-treatment gas into a device containing waste battery ...
|
|
WO/2022/085222A1 |
A method for recovering lithium, wherein after obtaining a molten metal that contains a valuable metal and a molten slag that contains at least aluminum and lithium by melting a lithium ion secondary battery to be discarded, lithium is r...
|
|
WO/2022/084145A1 |
The invention relates to composite material comprising polymer microfibers and lithium- adsorbent particles characterized in that said polymer microfibers have a diameter comprised between 10 µm and 500 µm, and said composite material ...
|
|
WO/2022/085635A1 |
A method for recovering lithium from a material that contains fluorine and lithium, wherein: the material is mixed with an aqueous sulfuric acid solution or water, thereby obtaining a mixed solution in which fluorine and lithium in the m...
|
|
WO/2022/079409A1 |
A method for selectively removing Li from an input material comprising Li and one or more transition metals, comprising the steps of: contacting said input material with a leaching medium comprising formic acid; and leaching Li from the ...
|
|
WO/2022/065702A1 |
A method for recovering active metals of a lithium secondary battery comprises the steps of: collecting a cathode active material mixture from the cathode of the lithium secondary battery; subjecting the cathode active material mixture t...
|
|
WO/2022/057412A1 |
The present application provides a method for separating nickel from lithium, comprising: (1) performing a saponification reaction on an extraction reagent and an alkaline compound to obtain a saponified extraction agent, wherein the ext...
|
|
WO/2022/056234A1 |
Methods for utilizing waste products of the steel industry are provided that utilize spent pickle liquor to recover valuable alkaline earth metals from low value wastes with significant calcium content in the form of insoluble oxide, hyd...
|
|
WO/2022/056230A1 |
Weak acid lixiviants are used to selectively extract calcium from various sources (e.g., steel slag, impure lime, dolomite). Preferably, non-amine weak acids (e.g., weak acids that do not include an amine) as lixiviants are used. Such li...
|
|
WO/2022/040630A1 |
A method of recovering lithium from an aqueous source is described. Lithium is extracted from the aqueous source using a sorption/desorption process to form a lithium extract. Impurities are removed from the lithium extract to form a pur...
|
|
WO/2022/040200A1 |
The present application provides a system and method for discharging and processing of lithium ion batteries to extract one or more metals. The extracted metals are in a powder form that can be reused at second stage processing facilitie...
|
|
WO/2022/039436A1 |
A method for recovering an active metal of a lithium secondary battery comprises the steps of: preparing a cathode active material mixture from a cathode of a waste lithium secondary battery; fluidizing the cathode active material mixtur...
|
|
WO/2022/032345A1 |
The present disclosure relates generally to processes for recovering values from batteries. More specifically, the present disclosure relates to processes for recovering an electrode material from lithium-ion batteries, such as an electr...
|
|
WO/2022/032327A1 |
A method for heating a powder material to induce a crystalline phase change in the grains of the particle comprising the steps of: a. preheating the powder from the high temperature streams generated from cooling the phase changed produc...
|
|
WO/2022/031721A1 |
A solid metal flux comprised of compacted granules including (a) alkali chloride salt, (b) alkaline earth chloride salt and (c) at least one nitrate, carbonate, or sulfate salt and/or a fluoride containing salt.
|
|
WO/2022/022608A1 |
The present invention belongs to the field of hydrometallurgy. Disclosed is a method for recovering lithium from lithium-containing wastewater. The method comprises the following steps: (1) adjusting the pH of lithium-containing wastewat...
|
|
WO/2021/231597A9 |
Systems and methods using solar evaporation to preconcentrate lithium containing brines to at or near lithium saturation, followed by a separation processes to separate lithium from impurities. A separated impurity stream is recycled to ...
|
|
WO/2022/007660A1 |
Provided is a method for extracting lithium from brine by using a powdered adsorbent, which method comprises the following steps: a mixture of an adsorbent and brine being subjected to vacuum filtration in a brine separation zone to form...
|
|
WO/2022/007811A1 |
The present invention relates to the technical field of adsorption-based lithium extraction devices, and provides a device extracting lithium from brine by using an adsorption method. The device comprises a belt-type vacuum filter; the b...
|
|
WO/2022/005317A1 |
The present invention refers to processes of obtaining lithium (Li) from primary media (A) by means of incorporation media (B), including a step of decomposition at a high temperature of said incorporation media, so as to obtain delivery...
|
|
WO/2021/258128A1 |
The invention provides a method of recovering a lithium electrolyte salt from a used electrolyte, the method comprising: contacting a used electrolyte comprising a lithium electrolyte salt and electrolyte solvent with a polar aprotic sol...
|
|
WO/2021/256732A1 |
In a method for recovering an active metal of a lithium secondary battery, a sulfuric acid solution is added to a lithium metal composite oxide so as to prepare a sulfated active material solution. A transition metal is extracted from th...
|
|
WO/2021/252476A1 |
Systems and methods are provided that remove calcium and/or magnesium from lithium-rich brines using industrial waste that includes calcium oxide or calcium hydroxide (such as steel slag). Surprisingly, calcium and magnesium can be selec...
|
|
WO/2021/252381A1 |
The present invention relates to recovery of lithium from liquid resources to produce lithium solutions while limiting impurity precipitation in the lithium solutions.
|
|
WO/2021/245196A1 |
The invention relates to a process for the production of lithium metal and lithium alloy mouldings, wherein solutions of metallic lithium in ammonia having the composition Li(NH3)4+n and n = 0-10 are brought into contact with metallic or...
|
|
WO/2021/246721A1 |
A method for recovering active metals from a lithium secondary battery, according to exemplary embodiments, can cause, under a pressurized condition, a reaction between a reductive reaction gas and a cathode active material mixture conta...
|
|
WO/2021/241742A1 |
The present invention relates to a method for separating and recovering a cobalt salt and a nickel salt, the method including a separation step for separating a cobalt salt and a nickel salt from a rare metal-containing aqueous solution ...
|
|
WO/2021/226719A1 |
A green chemistry hydrometallurgical process for recovering one or more metals from a metal-containing material includes leaching the metal-containing material with formic acid, obtaining a leachate comprising the one or more metals as o...
|
|
WO/2021/212214A1 |
A method of producing lithium phosphate from a lithium source includes the step of (a) concentrating the lithium to produce a lithium concentrate, with an ion exchange sorbent, and (b) reacting the lithium concentrate with phosphate anio...
|
|
WO/2021/215484A1 |
The present invention pertains to a method for recovering a rare metal salt, the method comprising: an acid treatment step for obtaining a rare metal-containing acidic aqueous solution by putting a material containing monovalent and poly...
|
|
WO/2021/215486A1 |
The present invention provides a method for producing lithium hydroxide, said method enabling the production of lithium hydroxide from lithium sulfate at a relatively low cost. A method for producing lithium hydroxide from lithium sulfat...
|
|
WO/2021/190402A1 |
Provided is a method for preparing lithium hydroxide from a lithium-containing low-magnesium brine, which relates to the technical field of salt lake lithium extraction. The method comprises: using an inorganic base to adjust the pH valu...
|
|
WO/2021/186445A1 |
This invention is directed to a method for recovering valuable metals from spent lithium-ion- batteries using CO2/CO/H2O gas mixture, or CH4/air, or solid carbon or combination thereof.
|
|
WO/2021/182451A1 |
The present invention provides a method for recovering a valuable substance, by said method a valuable substance being recovered from a lithium ion secondary battery. This method for recovering a valuable substance comprises: a heat trea...
|
|
WO/2021/182452A1 |
The present invention provides a method for recovering lithium, and the like, said method for recovering lithium enabling recovery of lithium from a lithium ion secondary battery. This method for recovering lithium comprises: a heat trea...
|
|
WO/2021/178748A1 |
Described herein are methods for recovering lithium metal, lithium hydride, or lithium hydroxide from lithium salts by dissolving the lithium salt in ionic liquids and applying a current to the solution.
|
