| Document |
Document Title |
|
WO/2022/258939A1 |
Use of a separation material comprising picolinic acid ester or picolinic acid amide functional groups immobilised on a solid support to selectively remove Ni from an aqueous solution.
|
|
WO/2022/260243A1 |
The present invention relates to a large-capacity titanium deoxidation apparatus and a titanium deoxidation method using same. The large-capacity titanium deoxidation apparatus according to the present invention comprises: a container bo...
|
|
WO/2022/261375A1 |
Methods are disclosed for leaching metal-containing materials, such as those contained in the cathode of spent lithium-ion batteries, using a leach solution of an amino acid and a reducing agent. The metal-containing material is treated ...
|
|
WO/2022/260542A1 |
The present disclosure provides a process for recycling sorbent used in a process for extracting lithium from an aqueous solution containing lithium. The process may comprise bringing an aqueous solution containing lithium into contact w...
|
|
WO/2022/250934A1 |
Lanthanides are recycled with microbes comprising a lanthanide-dependent alcohol dehydrogenase and an evo-HLn Methylorubrum extorquens AM1 hybrid sensor histidine kinase/response regulator comprising a Leu151His substitution relative to ...
|
|
WO/2022/246558A1 |
The invention provides for the treatment of petroleum coke ash materials to recover vanadium values, with distinct hydrometallurgical steps of silicate dissolution and precipitation that are arranged to ameliorate consumption of alkali h...
|
|
WO/2022/243561A1 |
The instant invention relates to a method for separating antimony and bismuth from arsenic in an acidic aqueous medium, wherein the method comprises (a) contacting the acidic aqueous medium containing antimony, bismuth and arsenic with a...
|
|
WO/2022/245731A1 |
The present disclosure relates to a method using a reagent having a thiocarbonyl functional group to liberate a precious metal such as gold from a material comprising a sulfide, wherein the sulfide encapsulates the precious metal. Such a...
|
|
WO/2022/242406A1 |
The present invention relates to a high-selectivity and hydrophilic electrode for electrochemical lithium extraction and a preparation method therefor. The method comprises subjecting an electrode active material to surface coating and m...
|
|
WO/2022/243952A1 |
This invention relates to a method of sequestering CO2 in a 3 dimensional heap structure of MgO containing crushed rock by crushing 12 MgO containing rock 10 to a particulate material with a size suited to sequestration and having a part...
|
|
WO/2022/236437A1 |
The present patent application relates to a sequential treatment process for the heap leaching of primary and secondary copper sulphides such as Chalcopyrite, Bornite, Chalcocite, Chalcocite, Covellite or other sulphide and mixed copper ...
|
|
WO/2022/236956A1 |
A preparation method for a gold/silver extraction agent, comprising the following steps: (1) selecting a cyanate and a ferrous salt as raw materials, and well mixing the cyanate and the ferrous salt; (2) putting the well mixed raw materi...
|
|
WO/2022/236381A1 |
A process for separating nickel and/or cobalt salts from crude nickel and/or cobalt bearing materials is disclosed. The process comprises treating a crude nickel and/or cobalt bearing material with a salt of iron or aluminium under condi...
|
|
WO/2022/236283A1 |
A method of removing impurities using an electrochemical membrane apparatus comprising introducing a leaching solution into an electrochemical membrane reactor. The leaching solution of the electrochemical apparatus comprises copper, alu...
|
|
WO/2022/235356A1 |
A method for extracting noble metals from mining tailings and other solids is provided. The method uses a Lewis acid, Brønsted acid, complexing agent and oxygen to provide excellent extraction without the need for chorine gas or cyanide.
|
|
WO/2022/230709A1 |
The present invention pertains to a method for recovering at least one kind of metal selected from the group consisting of gold (Au) and palladium (Pd), said method comprising an addition step of adding a metal absorbent to a solution co...
|
|
WO/2022/228264A1 |
A device for removing iron from a nickel-cobalt-manganese sulfuric acid solution, and a method for continuously removing iron ions from a nickel-cobalt-manganese sulfuric acid solution at a low temperature. The device for removing iron f...
|
|
WO/2022/229327A1 |
The present invention relates to a process for obtaining alkali metal chlorides from bypass dusts that are produced during the operation of rotary kilns, e.g. in cement or clinker manufacturing plants.
|
|
WO/2022/230861A1 |
With respect to recovery of a valuable metal from a waste lithium ion battery (LiB) and a waste material from the LiB production, the purpose of the present invention is to solve: the problem of recovering a valuable metal from an active...
|
|
WO/2022/224499A1 |
Provided is a method for producing high-purity cobalt sulfate by separating impurities and cobalt from a cobalt chloride solution containing impurities without using an electrolysis step. The present invention involves sequentially exe...
|
|
WO/2022/221285A1 |
Lithium recycling from expended Li-Ion batteries occurs thought selective recovery of lithium charge materials from a recycling stream including transition metals used for the charge material. Li recovery includes dissolving the lithium ...
|
|
WO/2022/219223A1 |
The present invention relates to a method for extracting metals from the black mass of lithium-ion batteries, the black mass containing the anode and cathode materials of the batteries, and the cathode material comprising lithium and nic...
|
|
WO/2022/219247A1 |
The present invention relates to hydrometallurgical methods for recovering metals from sulfide minerals. The present invention also relates to a use of a pregnant leach solution in a hydrometallurgical process for oxidizing and/or dissol...
|
|
WO/2022/217353A1 |
A method of extracting precious metal values from a starting material using thiosulphate as a lixiviant. The precious metal values can be recovered from solution using a reductant. The reductant may be a naturally occurring ore including...
|
|
WO/2022/219222A1 |
The present invention relates to a method for extracting metals from the black mass of lithium-ion batteries, the black mass containing the anode and cathode materials of the batteries as well as some copper, and the cathode material com...
|
|
WO/2022/221653A1 |
Provided herein is a process for preparing a nitrate comprising contacting a nitrogen oxide with a metal oxide under milling conditions to form a nitrate.
|
|
WO/2022/213158A1 |
A method (14) for the recovery of vanadium, the method comprising the steps of: (i) Subjecting a vanadium-containing ore (12) to a beneficiation step (14) incorporating a sequence of medium-intensity magnetic separation, high-intensity m...
|
|
WO/2022/215587A1 |
The present invention provides a method for recovering palladium which makes it possible to selectively and efficiently recover palladium from a palladium-containing liquid. Provided is a method for recovering palladium wherein a palladi...
|
|
WO/2022/213679A1 |
The present invention relates to the field of metallurgy. Disclosed are a method for leaching a nickel-ammonia solution from a nickel-iron alloy in a wet process and an application. The method comprises the following steps: performing ox...
|
|
WO/2022/216221A1 |
A method of forming aluminium trihydrate There is provided a method of forming aluminium trihydrate comprising: mixing aluminium dross with sodium hydroxide at a first pre-determined temperature to form a mixture, wherein the aluminium d...
|
|
WO/2022/208429A1 |
A method of treating a hydrous ore material metal values includes a digestion step in which a solution of ferrous chloride (FeCl2) and a divalent chloride of the at least one other metal (M2+Cl2) is produced by contacting the hydrous ore...
|
|
WO/2022/204766A1 |
A process for the recovery of lithium carbonate from a solution (1) containing a mixture of lithium sulfate and lithium hydroxide, the process comprising the precipitation of lithium carbonate (3) from the solution (1) containing a mixtu...
|
|
WO/2022/205533A1 |
Disclosed in the present invention is a method for preparing low-impurity electrolytic manganese dioxide, comprising: reacting manganese oxide ore powder, pyrite powder, industrial sulfuric acid, and a waste electrolyte; then adding calc...
|
|
WO/2022/205534A1 |
Disclosed in the present invention is a preparation method for electrolytic manganese dioxide for a mercury-free alkaline zinc-manganese battery: first mixing and reacting a portion of electrolytic waste liquid with manganese oxide powde...
|
|
WO/2022/210674A1 |
A separation method according to the present invention comprises: a step for obtaining a mixture by mixing a solvent with a member that comprises an active material and a solid electrolyte; and a step for obtaining a solid component and ...
|
|
WO/2022/210847A1 |
Provided is a lithium-containing solution production method which makes it possible to suppress the costs of lithium production by increasing the lithium content in a solution after an elution step and suppressing the amount of an eluted...
|
|
WO/2022/208015A1 |
The invention relates to a method for dissolving a positive electrode material of a battery comprising a step during which the positive electrode material, comprising lithium and optionally cobalt and/or nickel, is submerged in an acid s...
|
|
WO/2022/208428A1 |
A method of treating a metallic or metal-bearing material includes, in an oxidative or reductive digestion step, contacting the metallic or metal-bearing material with a reagent selected from ferric chloride (FeCl3), hydrochloric acid (H...
|
|
WO/2022/204752A1 |
Disclosed herein is a method for producing iron (II) oxalate from an insoluble iron material, the method comprising digesting the insoluble iron material with a digestion liquor comprising one or more acids, and reacting digested iron sp...
|
|
WO/2022/211648A1 |
The subject of the invention is the device for disposal of lithium batteries that are not suitable for further use. The device for disposal of lithium batteries, where the ground batteries are immersed in tanks with water/acid converting...
|
|
WO/2022/203517A1 |
A method for the treatment of fly ash from incineration processes, said method comprises the following steps: (a) providing a supply of fly ash (7, 11) and water (5, 9) and mix the fly ash with water to provide a fly ash/water slurry (13...
|
|
WO/2022/203055A1 |
The present invention provides a method for producing lithium hydroxide which employs, as a source liquid, a wide variety of aqueous solutions containing lithium and which efficiently produces highly pure lithium hydroxide from the sourc...
|
|
WO/2022/201076A1 |
A method of treating mining effluents containing at least one of nitrogen or cyanide species, the method comprising injecting ozone in the mining effluent in successive treatments performed at different pH. Also, a method of treating min...
|
|
WO/2022/202738A1 |
Provided are a noble metal adsorbent which enables easy recovery of a noble metal while achieving a high adsorption capacity with respect to a noble metal, a noble metal recovery method, and a noble metal adsorbent recycling method. A ...
|
|
WO/2022/204265A1 |
The present disclosure provides for a method of obtaining metals from a source, including contacting the source with an ionic liquid in the absence of acid, thereby extracting the metals from the source and providing an ionic liquid extr...
|
|
WO/2022/194423A1 |
A method (1) is proposed for obtaining lithium carbonate from an aqueous salt solution (2), containing at least lithium ions, chloride ions and calcium ions, where the aqueous salt solution (2) with a lithium content of at least 0.005% b...
|
|
WO/2022/192963A1 |
The present invention provides a method of producing core-shell polymer microbeads, the method comprising: (a) providing a core solution containing one or more water insoluble polymers in a water-soluble solvent; (b) providing a shell so...
|
|
WO/2022/196197A1 |
[Problem] The purpose of the present invention is to provide a treatment for safely and efficiently liquefying niobium and tantalum from a smelting raw material containing niobium and tantalum, or a method for liquefying niobium and tant...
|
|
WO/2022/188248A1 |
The present invention relates to the technical field of eudialyte beneficiation. Disclosed is a method for recovering rare earth from eudialyte, comprising the following steps: S1, crushing and screening raw ore to obtain ore to be separ...
|
|
WO/2022/190153A1 |
The present invention concerns a method for the treatment of jarosite and other residues (1) of the zinc and lead production industry, including the following steps: thermal treatment (10) of the residues (1), at a temperature between 50...
|
