| Document |
Document Title |
|
WO/2023/283700A1 |
A gold-copper recovery circuit (10) comprises an adsorption circuit (20); and an elution circuit (30) in which the adsorption circuit (20) receives a slurry (22) containing gold and copper in a cyanide solution; and a resin adsorbent (10...
|
|
WO/2023/285168A1 |
The invention relates to a method for electrolytically obtaining at least one metal. The method comprises providing (61) an aqueous solution (10) of the metal, suspended in which are particles (20) the density of which is greater than th...
|
|
WO/2023/286850A1 |
Provided is a metal recovering method that has a low environmental load and that can efficiently achieve recovery of metal at a low cost. A metal recovering method comprising: an adsorption step for mixing yeast with a liquid containing ...
|
|
WO/2023/286683A1 |
Provided are: a method for removing magnesium, contained as an impurity, from nickel sulfate; and a method for manufacturing high-purity nickel sulfate. The present invention is a manufacturing method characterized by comprising, as step...
|
|
WO/2023/279144A1 |
The present invention relates to a method for the recovery of vanadium from a vanadium containing feed stream, the method comprising the steps of: subjecting the vanadium feed stream to a leach step, the leach step comprising contacting ...
|
|
WO/2023/279143A1 |
The present invention relates to a method for the recovery of vanadium from a vanadium containing leach residue, the method comprising the steps of: subjecting the leach residue to a pulping step, the pulping step comprising the contact ...
|
|
WO/2023/279142A1 |
The present invention relates to a method for the recovery of vanadium from a vanadium containing leach residue, the method comprising the steps of: subjecting the leach residue to a calcination step to produce a calcined residue; subjec...
|
|
WO/2023/274838A1 |
A process is provided for recovery of scandium and certain other rare earth metals from titanium dioxide production residue The process comprises treating the residue with a calcium source at a temperature below 30°C to selectively co-p...
|
|
WO/2023/275375A1 |
Suggested is a method for recovering metals from batteries comprising or consisting of the following steps: (a) providing black mass prepared from spent batteries; (b) providing a culture of microorganisms obtained by using suitable carb...
|
|
WO/2023/275427A1 |
The present invention relates to an arrangement that is suitable for processing an aqueous metal-containing slurry to separate undesired fractions therefrom, including the units intended for cooling the slurry and simultaneously causing ...
|
|
WO/2023/276710A1 |
Provided is a noble metal particle recovery kit which can be used repeatedly and which can recover, through a simple method, noble metal particles from a solution in which noble metals have been dissolved. The noble metal particle reco...
|
|
WO/2023/272497A1 |
The present application provides N,N-dihydrocarbonyl amino carboxylic acid, a preparation method therefor, and the use thereof. The N,N-dihydrocarbonyl amino carboxylic acid can act as an extracting agent for enriching rare-earth element...
|
|
WO/2022/268792A1 |
The present invention relates to a process for recycling battery materials, in particular lithium ion/polymer batteries, and to the subsequent use of the useful materials recovered by way of the process according to the invention.
|
|
WO/2022/269962A1 |
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 method involves sequentially performing: a ...
|
|
WO/2022/266919A1 |
Provided are an N,N-dihydrocarbyl amide carboxylic acid, a preparation method therefor and a use thereof. The N,N-dihydrocarbyl amide carboxylic acid can be used as an extractant to enrich rare earth elements from a low-concentration rar...
|
|
WO/2022/268797A1 |
The present invention relates to a process for recycling battery materials, in particular lithium ion/polymer batteries, and to the subsequent use of the useful materials recovered by way of the process according to the invention.
|
|
WO/2022/266712A1 |
A process (10) for the treatment of a lithium slag, the process comprising the method steps of: (i) Passing the lithium slag to an activation step (14) in which the lithium slag is heated to an elevated temperature of less than about 250...
|
|
WO/2022/261693A1 |
Processing of refractory (gold) ore. Treatment of mineral bearing material incudes reacting an oxidant and the mineral bearing material, recovering at least a portion of the oxidant and subsequently introducing part of the at least a por...
|
|
WO/2022/258938A1 |
A method of recycling Ni and/or Co from a functional material such as a battery or catalyst material, the method comprising: forming an acidic aqueous recycling feed of the functional material by acid leaching the functional material or ...
|
|
WO/2022/261626A1 |
A method of removing one or more of solutes from an aqueous solution comprises introducing, into a first fractional crystallization chamber, dimethyl ether and a salt‑containing solution comprising one or more dissolved salts to form a...
|
|
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...
|
