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WO/2022/087732A1 |
A method for detecting a thermite reaction in an electrolytic cell comprising an anode assembly of one or more metal-oxide-containing anodes is disclosed. Each anode assembly is powered by a current provided through a distinct anode rod ...
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WO/2022/085610A1 |
Provided is a system for monitoring the condition of a metal recovery device. The condition monitoring system comprises a metal recovery device and a control device. The metal recovery device comprises a voltage measurement unit for me...
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WO/2022/078667A1 |
The invention relates to a method for recovering noble metal from a heterogeneous catalytic converter comprising a solid supporting material and palladium, platinum or rhodium, present at least partially in elemental form, said method co...
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WO/2022/067448A1 |
Solutions and methods for leaching coinage metals. For example, Solutions and methods for leaching copper and/or silver from a substance comprising copper and/or silver (such as a coinage metal-concentrate, or electronic waste) using a w...
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WO/2022/070119A1 |
A method of processing feed solution which is an acidic metal solution containing iron and at least one plateable metal selected from the list consisting of copper, zinc, nickel and cobalt, using at least one anode chamber in fluid conne...
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WO/2022/056622A1 |
The present disclosure relates to the use of a wetting agent such as a non-ionic wetting agent and a reagent comprising a thiocarbonyl functional group, for example, in a method/process or use for extracting a base metal such as copper f...
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WO/2022/056647A1 |
The present invention is compact and can be easily disassembled and relates to a device that operates using different peripheral devices that allow the detection of various physical and electrical parameters occurring in the operation of...
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WO/2022/056621A1 |
The present disclosure relates to the use of carbonaceous matter and a reagent comprising a thiocarbonyl functional group, for example, in a method for extracting a base metal such as copper from a material comprising the base metal. Suc...
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WO/2022/048931A1 |
The present invention relates to a multifunctional electrochemical cell comprising an anode compartment (8) comprising at least an anolyte (80) comprising at least an at least partially unsaturated aromatic hydrocarbon preferably bipheny...
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WO/2022/042631A1 |
Disclosed are a system and method for comprehensively recovering metal resources in coal ash via molten salt electrolysis. The method specifically comprises: roasting coal ash, and performing decarburization treatment; preforming ball mi...
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WO/2022/040718A1 |
An edge protector (1) mountable to a cathode plate (2), the edge protector (1) comprising a set of elongate channels (3). Each elongate channel (10, 20, 30) defining a slot. The set of elongate channels (3) including a first and second c...
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WO/2022/044676A1 |
In the present invention, the value of a brightness L* with respect to a degree of dispersion defined by D90/D10 is 13 or higher, where D90 is the volume-cumulative grain diameter at an accumulated volume of 90 vol% according to a laser-...
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WO/2022/046328A1 |
Methods are proposed for fabricating highly pure lithium metal electrodes from aqueous lithium salt solutions by means of electrolysis through lithium ion selective membranes, performed at constant current densities between about 10 mA/c...
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WO/2022/042632A1 |
Disclosed in the present application is a system for comprehensive recovery of metal resources in fly ash by molten salt electrolysis, which comprises a roast furnace, a ball mill, a powder briquetting machine, an electrolysis furnace, a...
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WO/2022/046327A1 |
A lithium metal electrode has no more than five ppm of non-metallic elements by mass, and is bonded to a conductive substrate. Optionally, the lithium metal electrode may be bonded on one side to a conductive substrate and on another sid...
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WO/2022/038426A1 |
An electrode casing segment 10.1 comprises an elongate tubular sidewall 12 having a first end 16 and a second end 18. A plurality of elongate fins 14.1 to 14.n extend from the sidewall inwardly and between the first end and the second en...
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WO/2022/029531A1 |
The present disclosure relates to a process for obtaining metallic lead from its compounds present in an end-of-life lead-acid battery through a direct solid-solid reaction with metallic zinc, characterized in that it comprises: a) dry m...
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WO/2022/026868A1 |
Disclosed herein are nanostructured electrodes and methods of making and use thereof. The nanostructured precursor electrodes comprising a copper substrate, a nanostructured copper oxide layer disposed on the copper substrate and a nicke...
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WO/2022/022987A1 |
The invention relates to a method for obtaining gold and silver from raw materials (1) such as ores, gangue or by-products having a minimum content of 0.2 ppm gold. The raw material (1) is comminuted by grinding in a grinding step (2). I...
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WO/2022/022461A1 |
A method for regeneration and reuse of an alkaline etching waste liquid, comprising the following steps: using an electrolytic reaction tank, wherein an electrolytic separator is arranged in the electrolytic reaction tank to form an anod...
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WO/2022/018192A1 |
This device for cooling flue gas originating from a plant of aluminum production by fused-salt electrolysis is intended to be positioned between a collector of said flue gas, be it an individual collector originating from each of the ele...
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WO/2022/020470A1 |
Disclosed herein are systems and methods for processing ash. For example, in certain embodiments, the method comprises dissolving at least a portion of ash in acid. In some embodiments, the acid is produced in a reactor. In some embodime...
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WO/2022/018088A1 |
The invention relates to a composition for forming a refractory protective coating on the surface of a substrate, comprising a mixture of: a) a silicon-based preceramic polymer precursor; b) a glass frit composition comprising zinc oxide...
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WO/2022/018962A1 |
Provided is an oxygen-generating electrode that is equipped with a highly conductive, highly durable catalyst layer capable of long-term electrolysis wherein the catalyst component resists consumption even when electrolysis is performed ...
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WO/2022/006469A1 |
The present invention describes systems and methods of a novel hydrometallurgical process to perform reductive-acid leaching and separation of constituent compounds from solid material generated from the electrodes of lithium-ion batteri...
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WO/2021/260458A1 |
A means for improving recovery of metal compounds by metallurgical processes is disclosed. More particularly, an electrowinning and electrorefining monitoring system and a method of using an electrowinning and electrorefining environment...
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WO/2021/260724A1 |
The present invention discloses an electrolyte for the zinc based rechargeable redox static energy storage devices comprising one or more inorganic transition metal salt(s) of zinc; one or more Metal hydroxide(s); a eutectic solvent comp...
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WO/2021/252267A1 |
New methods of producing aluminum fluoride from cryolite are disclosed. A method may include a step of reacting cryolite bath materials with aluminum sulfate, thereby producing a reactant product, the reactant product comprising aluminum...
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WO/2021/243477A1 |
The composition of the present application comprises: one or more surfactants and one or more adjuvant gases in the hydrometallurgical and pyrometallurgical processes in which it is used, which are added thereto as nanobubbles and microb...
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WO/2021/237338A1 |
Various configurations of a power plant are described. The power plant is configured to provide power to a receiving power grid by the combustion of metal powder. The power plant is also configured to absorb energy by reconstituting the ...
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WO/2021/239831A1 |
The present invention relates to a circular carbon process comprising a first step wherein hydrogen and carbon monoxide are reacted to produce methane and water, a second step wherein methane is decomposed into carbon and hydrogen, a thi...
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WO/2021/240353A1 |
This cathode assembly (C) comprises a cathode body (1) made of a carbonaceous material, provided with at least one slot (17), said slot being provided with side walls (17A.17B) parallel to a longitudinal direction (A 17) of said slot, as...
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WO/2021/232147A1 |
It is disclosed a system and process for starting up an electrolytic cell. The system and process are particularly adapted for preheating an electrolytic cell or pot having cathodes before installing preheated anodes in the cell, for the...
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WO/2021/233300A1 |
The present invention relates to the technical field of electrochemistry, and specifically relates to an apparatus and a method for preparing high-purity iron using consumable anode electrolytic deposition. The apparatus provided in the ...
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WO/2021/236982A1 |
An electrochemical cell includes a first electrode which is an air electrode and a second electrode. An ion transport material can be positioned between and contacting both electrodes. An ion exchange material is arranged to contact the ...
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WO/2021/235402A1 |
This nickel powder is composed of an aggregate of nickel particles having a dendrite shape, and has a tap density TD of from 0.3 g/cm3 to 3.0 g/cm3 as determined in accordance with JIS Z2512. It is preferable that this nickel powder has ...
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WO/2021/228429A1 |
The invention relates to a method for generating thermal energy and chemical feedstock comprising at least the following measures: a) generating aluminium metal by fused-salt electrolysis in a fused-salt electrolysis plant; b) using the ...
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WO/2021/219222A1 |
The present invention relates to a cathode block and a method for producing such cathode block (32), to be rodded with cathode bars (22, 22') and installed as a cathode assembly in a Hall-Heroult cell for electrolytic production of alumi...
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WO/2021/213672A1 |
A cathode assembly for an electrolysis cell of Hall-Heroult type for producing aluminium, comprises a cathode block rodded or connected with steel collector bars, Cu rods or a metallic collector plate, the cathode block surface comprises...
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WO/2021/212246A1 |
Composition of molecular copper of the composition Cu + 2 + e2 = Cu(s) of 99.998% purity diluted in bi-distilled or demineralised water, homogenised with ultrasound waves obtained by a physico-chemical electrolysis process carried out in...
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WO/2021/207818A1 |
Electrorefining cells and methods for electrorefining ferrous molten metal (e.g. steels), that includes impurities (e.g., carbon), are described. Liquid metal is provided in ladle with a molten electrolyte on top of it to form a metal-el...
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WO/2021/195247A1 |
New copper-coated titanium diboride electrodes are disclosed. The copper-coated titanium diboride electrodes may be used in an aluminum electrolysis cell. In one embodiment, a method includes installing the copper-coated titanium diborid...
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WO/2021/189511A1 |
A lanthanum-cerium-yttrium-magnesium intermediate alloy and a preparation method therefor. The alloy comprises the following elements in percentage by mass: lanthanum: 15%-17%; cerium: 29%-33%; yttrium: 40%-50%; magnesium: 6%-10%; carbon...
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WO/2021/190027A1 |
An ammonia method-based electrolysis device and a using method thereof. The device comprises an electrolytic cell body (1), a liquid inlet unit, and a liquid outlet unit. A cathode plate and an anode plate alternately arranged in paralle...
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WO/2021/189133A1 |
Apparatus for converting Spent Pot Lining (SPL) into inert slag, aluminum fluoride and energy includes a plasma arc furnace such that the destruction of SPL occurs therein. The furnace generates an electric arc within the waste, which ar...
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WO/2021/184132A1 |
The invention relates to a pivoting anode trap device, for use in electrowinning and electrorefining, comprising frames with or without cathode guides, for exposing the largest possible surface area of the anode and for improving the see...
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WO/2021/178718A1 |
New dual temperature electrochemical methods and systems for the production of sodium metal from sodium polysulfides have been discovered. The technology provides high conductivity for sodium ions and extended service life for the electr...
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WO/2021/176041A1 |
The invention regards a method for electrochemical ammonia synthesis, comprising the steps of: providing at least one electrolysis cell; contacting the cathode with a source of lithium cations, nitrogen, and protons; and subjecting the c...
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WO/2021/173026A1 |
The invention relates to non-ferrous metallurgy and can be used in the production of aluminium by electrolysis, and more particularly in regulating the volume of gas removal from one or two electrolysis cells. A system for removing gases...
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WO/2021/168551A1 |
The present document describes methods of coating a carbon material with an aqueous priming coating composition for covering an external surface exposed to air of the carbon material to form a first layer thereon. The method comprises ap...
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