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WO/2022/238763A1 |
An aluminium production cell comprises an elongated cathode current collector bar (7) in contact with a carbonaceous cathode (4), the cathode current collector bar (7) of copper or a copper alloy coated on its surface facing the cathode ...
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WO/2022/237511A1 |
The present invention belongs to the technical field of aluminum electrolysis, and in particular relates to a method for producing metal aluminum by molten salt electrolysis of aluminum oxide. The method for producing metal aluminum by m...
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WO/2022/237488A1 |
Provided in the present application is an electrochemical method for separating zirconium from hafnium using an electrolytic cell having an anode chamber and a cathode chamber, wherein the anode chamber and the cathode chamber are separa...
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WO/2022/237532A1 |
The present invention belongs to the technical field of metallurgy, and specifically relates to a harmless treatment method for recovering sulfur, rhenium, and arsenic from arsenic sulfide slag. The method comprises four steps, namely ox...
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WO/2022/237490A1 |
The present application belongs to the technical field of aluminum metallurgy, and specifically relates to a method for producing metal aluminum and polysilicon by using a high silicon aluminum-containing resource. Firstly, a high silico...
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WO/2022/237513A1 |
The present invention relates to a method for preparing lithium metal by means of molten salt electrolysis. The method is carried out by using an electrolytic cell. The electrolytic cell is divided into an anode chamber and a cathode cha...
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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...
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WO/2022/235430A1 |
An apparatus for electrochemical ammunition disposal and material recovery, the apparatus comprises: a vessel for holding an acidic aqueous solution; an anode at least partially immersed in the acidic aqueous solution; physically separat...
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WO/2022/234215A1 |
The invention relates to a device for the containment of at least one anode assembly, said assembly comprising a spent anode (12') attached to a metal rod (13), comprising: a receptacle (20) for receiving the anode assembly, the anod...
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WO/2022/230403A1 |
Provided is a metal titanium production method for producing metal titanium through molten salt electrolysis by using a conductive material containing titanium, aluminum, and oxygen. In this metal titanium production method, a refinement...
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WO/2022/229175A1 |
The invention relates to a device for coating a component or semi-finished product with a chromium layer, the device comprising an undivided deposition cell, in which there is an anode and which is suitable for receiving a cathodically c...
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WO/2022/232155A1 |
The present disclosure relates to an apparatus, system and method for selectively capturing a carbon-containing gas from an input gas mixture.
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WO/2022/219487A1 |
The invention also relates to a multi-legged structure (1, 3) for the production of aluminum by electrolysis, said multi-legged structure (1, 3) having a longitudinal axis (AL), a transverse axis (AT) and a vertical axis (Av) and being c...
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WO/2022/213365A1 |
A segmented current bus, comprising a plurality of bus segments (1, 2) connected to one another, each of the bus segments (1, 2) comprising a main body portion (11, 11', 12) and flexible joint portions (12a, 12b, 22) located at an end po...
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WO/2022/216741A1 |
Various embodiments include a system or platform that uses electrochemistry to upcycle waste products and low-value minerals into valuable, carbon dioxide (CO2)-neutral materials. Various embodiments may include systems and/or methods fo...
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WO/2022/207895A1 |
The invention provides an anode replacement system for electrolytic cells of an aluminium production plant, the system comprises a support frame and at least one movable member mounted on the support frame wherein the at least one movabl...
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WO/2022/207894A1 |
The invention provides a system for handling pot lids in an aluminium production plant. The system comprises a robot assembly and a sensor system. The robot assembly comprises at least one manipulator arm and a lid gripper apparatus conf...
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WO/2022/207892A1 |
The invention provides a positioning system for a lifting apparatus. The positioning system comprises a movable support having a longitudinal axis. The system comprises a first positioning member movably mounted to the support, wherein t...
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WO/2022/207936A1 |
The present invention is directed to a pitch product comprising petroleum-derived distillation residue and a coal tar-derived distillation residue, said pitch product characterized by a concentration of at least 84% asphaltenes (SARA). F...
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WO/2022/211773A1 |
The invention relates to the energy industry, in particular to a device and a method for producing hydrogen, and can be used, for example, as a part of fuel systems of various vehicles in order to supply fuel to a hydrogen engine or hydr...
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WO/2022/198321A1 |
Disclosed are a pin assembly for providing current to an electrode, e.g. an inert or oxygen evolving anode, and its manufacturing method. The pin assembly is configured to be inserted into an electrode body of an electrode for providing ...
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WO/2022/198370A1 |
A method for stripping and splitting a ductile and malleable metal attached and deposited on an electrolytic cathode, comprising: calendering an electrolytic deposition metal attached to a cathode plate of the electrolytic cathode, so th...
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WO/2022/191337A1 |
The present invention addresses the problem of providing a catalyst having high catalytic activity such as an oxygen reduction reaction and a hydrogen generation reaction, and particularly, providing a catalyst using platinum group parti...
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WO/2022/188684A1 |
Disclosed are a short circuit early warning detection method and device for an electrolysis electrode plate, and an electrolysis system. In the present invention, the short circuit early warning detection method for the electrolysis elec...
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WO/2022/184688A1 |
It is described a method of processing an etching waste medium from circuit board and/or substrate manufacture, the method comprising: i) providing a medium to be processed (11), being the etching waste medium, in particular from an etch...
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WO/2022/181646A1 |
This production method for titanium foil includes an electrodeposition step in which a molten salt bath that includes titanium ions and a molten chloride is used to perform electrolysis at an electrode that includes an anode and a cathod...
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WO/2022/178628A1 |
A hydrometallurgical method for recovering nickel, cobalt and copper from a feed comprising copper-containing sulphide concentrate and nickel laterite ore comprises the steps of: (1) pressure leaching the feed with oxygen introduction to...
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WO/2022/182268A1 |
A method for extracting platinum and palladium from silver electrolytes envisages the dissolution of a starting material, the sorption extraction of platinum metals from the silver electrolyte using an anion exchange resin, and desorptio...
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WO/2022/173310A1 |
The present invention relates to a system (100) for dry sorption. The system comprises a gas inlet (130) through which exhaust gas from processing industry is flowing into the system (100), a velocity increasing device which is arranged ...
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WO/2022/171396A1 |
The invention relates to a method for continuous Cr(VI) removal (54) from an electrolyte (52), in particular a nitrate electrolyte in electrochemical metal processing, comprising at least the following method steps: A process apparatus (...
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WO/2022/164344A1 |
The present invention relates to non-ferrous metallurgy, and more particularly to the structure of an electrolysis cell for the production of aluminium. Claimed is an electrolysis cell for the production of aluminium, comprising an elect...
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WO/2022/164877A1 |
Processes are described for the production of a pitch for use in the manufacture of carbon composite materials. The process comprises the steps of providing a purified coal product (PCP), wherein the PCP is in particulate form, and where...
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WO/2022/155752A1 |
An electrorefining process for refining relatively purer lithium metal from a lithium-alloy feedstock material using a three-layer electrorefining apparatus can include a) providing an anode layer comprising a molten, lithium-alloy feeds...
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WO/2022/155753A1 |
A process for electrowinning a metal can include the steps of: a) conveying an anolyte material and a metal chemical feedstock material along an anolyte flow path within an anolyte chamber; b) conveying catholyte material along a catholy...
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WO/2022/155755A1 |
A process for producing refined lithium metal can include: a) processing a lithium chemical feedstock material using an electrowinning apparatus to produce a crude lithium metal having a first purity; b) combining the crude lithium metal...
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WO/2022/142126A1 |
Further provided is a digital twin control system for an aluminum electrolysis cell. A twin equivalent model is constructed on the basis of an aluminum electrolysis cell; a resistance value of an anode equivalent circuit resistor in the ...
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WO/2022/139588A1 |
The present invention relates to a method for producing a cathode steel bar with copper insert for use in an electrolytic cell for the electrolytic production of aluminium using the Hall-Héroult process. The present invention further re...
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WO/2022/136316A1 |
This method for processing waste containing metal compounds, in particular waste electrical and electronic equipment, comprises the following steps: - providing a gaseous mixture (MG) comprising ammonium and hydrogen sulphide, and option...
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WO/2022/130462A1 |
This zinc recovery method is characterized by comprising: a dissolution step for dissolving zinc contained in a raw material by treating a zinc-containing raw material with an alkaline fluid having a temperature of at least 100 °C; and ...
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WO/2022/116509A1 |
Disclosed are a device and method for preventing a conductive roller from being plated with copper, belonging to the technical field of the manufacturing of electroplated copper films. The conductive roller and an electroplating anode ar...
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WO/2022/118927A1 |
A zinc production method, according to the present invention, further comprises chlorine concentration adjustment steps 101, 101', and 105 for using a hydroxylated alkaline aqueous solution as an extraction solvent for selectively extrac...
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WO/2022/109742A1 |
Apparatuses and methods for controlling electrode current density of an electrolytic cell during the electrolytic production of a metal, such as aluminum or aluminium, are disclosed. The cell has anodes and cathode plates vertically alig...
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WO/2022/109725A1 |
It is disclosed a purifier assembly and method for removing impurities from an electrolytic bath before using the same with an electrolytic cell for making a metal, such as aluminum or aluminium. The assembly comprises a purification tan...
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WO/2022/114998A1 |
A method comprises filling and levelling a heat insulation layer on the bottom of an enclosure of a cathode assembly, filling a refractory layer above it, installing bottom and side cathode blocks, followed by sealing of the seams betwee...
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WO/2022/108007A1 |
The present invention relates to a metal oxide reduction method and, specifically, to a metal oxide reduction method which, in producing a high-grade alloy metal using a metal oxide as a raw material, enables operation in the atmosphere ...
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WO/2022/108006A1 |
The present invention provides a system and method for reducing a metal M1 from a metal oxide.
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WO/2022/101541A1 |
Described is a coated electrode comprising a conductive substrate and a coating, wherein the coating comprises an outer coating composition forming at least one outer coating layer and comprising manganese and iridium. The molar ratio of...
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WO/2022/092231A1 |
This method for manufacturing recycled aluminum comprises the steps of arranging an aluminum alloy positive electrode (1) and a negative electrode (3) facing each other in a molten salt, applying an electric current between the aluminum ...
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WO/2022/091055A1 |
A method for preparing an Fe/Ni-free alkali metal hydroxide solution may include electrodepositing Ni ions of an alkali metal hydroxide electrolyte on surfaces of an Au anode and an Au cathode by placing the Au anode and the Au cathode w...
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WO/2022/091011A1 |
The present disclosure relates to an acid-base polymer blend membrane comprising at least one first polymer exhibiting acidic groups (A) and at least one second polymer exhibiting basic groups (B), wherein the molar ratio of acidic group...
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