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WO/2019/175486A1 |
The invention relates to a cathode assembly for an electrolytic cell comprising, firstly, a cathode block (10) having a second surface (11) and a first surface (12). The cathode block (10) also comprises at least one sealing groove (13) ...
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WO/2019/171282A1 |
The present invention concerns a process for the recovery of lead from a lead pastel electrolytically, where the pastel contains lead sulfate. The process provides for the leaching of the non-desulfurised pastel and the subsequent remova...
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WO/2019/171235A1 |
A method of operating an electrolytic cell suitable for the Hall-Heroult electrolysis process, said method comprising: - monitoring a parameter V representative of the cell voltage, and determining its variation with time; identifying an...
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WO/2019/171744A1 |
A method for manufacturing a titanium-plated member, said method including a step in which a base material having a conductive surface and an anode facing the base material are immersed in a molten salt titanium plating solution, and a s...
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WO/2019/161723A1 |
A clamping and jacking apparatus of an aluminum electrolytic cell. A clamping frame (2) is provided around an aluminum frame (1) inside which several conductors are provided, and an anode lifting mechanism (3) used for adjusting the lift...
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WO/2019/161514A1 |
The present invention relates to a modular system for centring and aligning electrodes and permanent edge strips in electrolytic cells, which prevents shortcircuits between anodes and cathodes, protects the soldered joint between the con...
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WO/2019/162817A1 |
A superstructure (1; 101; 201) for an electrolytic cell, suitable for the Hall-Heroult electrolysis process, said superstructure comprising a frame of substantially rectangular shape, said frame comprising - at least one so called longit...
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WO/2019/156544A1 |
The invention relates to inorganic chemistry, specifically to a method for aluminum metal production. The essence of the invention consists in pouring liquid bromine (Br) into a vessel containing aluminum oxide (Аl2O3) at room temperatu...
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WO/2019/153795A1 |
A method for preparing a grid alloy of a lead battery, comprising the following steps: (1) preparing an aluminum-lanthanum-cerium rare earth mother alloy by using a molten salt electrolysis method; (2) melting the aluminum-lanthanum-ceri...
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WO/2019/150099A2 |
A method of reprocessing spent nuclear fuel. The spent nuclear fuel is added to an electro-reduction cell, wherein the electro-reduction cell comprises a halide salt electrolyte, and anode, and a cathode comprising an alloy of uranium an...
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WO/2019/148105A1 |
Provided is a liquid-liquid extraction process and apparatus for recovering an alkali or alkaline earth metal or other metal from a source solution such as geothermal brine.
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WO/2019/144246A1 |
A liftable electrolytic vessel including at least one anchor assembly being at least partially embedded in each of two opposed core walls to provide anchorage to a lifting accessory of a lifting device; and related method for lifting the...
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WO/2019/144800A1 |
A physical recycling method for electrolytic plate residual anode, involving a press machine and a press mold, the press mold comprising a cavity adapted to the shape of an electrolytic plate and a mold head having a cross-sectional shap...
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WO/2019/144225A1 |
Drilling device (20) comprising an actuator (21) comprising an actuator body (22) and a rod (23) bearing at its free end a drill bit (24), a tubular sheath (25) secured to the actuator body (22) and comprising walls surrounding the drill...
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WO/2019/140819A1 |
A method for designing an electrode diameter and a furnace shell shape of a two-phase DC fused magnesia furnace, comprising: designing the structure of the two-phase DC fused magnesia furnace system; calculating an arc power distribution...
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WO/2019/138316A1 |
The invention provides a process for recovering copper (Cu) and cobalt (Co) from a copper–cobalt containing material sample, and which is adapted for treating both low and high grades of copper–cobalt source material, such as Cu-Co s...
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WO/2019/136570A1 |
The present invention relates to a system for superimposing alternating current on direct current flowing through one or more electrolytic cells, for electro-winning or electro-refining processes, in which the terminals of an alternating...
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WO/2019/130378A1 |
A molten salt electrolysis tank comprising a bipolar electrode in which the tank efficiency is increased by preventing transient currents that flow from an anode to a cathode via through holes in a graphite bipolar electrode without cont...
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WO/2019/128826A1 |
A rare earth metal molten salt electrolytic cell, comprising a cell body provided with a lining structure. The lining structure comprises a bottom lining and a side lining. The bottom lining comprises a ceramic fiber layer, a bottom fire...
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WO/2019/132737A1 |
A busbar consists of an anode part which is capable of connecting anodes in a series of electrolyzers by means of anode buses, a cathode part which consists of cathode rods with flexible packets and is capable of being connected to an an...
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WO/2019/123131A1 |
An anode yoke (1; 101) for use in an electrolytic cell for the electrolytic production of aluminium using the Hall-Heroult process, said yoke comprising: a body (2; 102) intended to be connected to said anode rod (16;1 16), and a plurali...
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WO/2019/114259A1 |
The present invention relates to a branched Ag nanostructure, a modified electrode, a preparation method therefor, and an application thereof. The branched Ag nanostructure is synthesized by a hydrothermal method and a microwave method: ...
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WO/2019/117818A1 |
The method includes two technological segments (i) a reduction segment and (ii) an oxidation segment that are interconnected by various support technological processes for the regeneration of solutions and gases and heat recuperation. Th...
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WO/2019/104809A1 |
The present invention provides a method for directly preparing tungsten-base alloy powder by electrolyzing discarded hard alloy, comprising steps of: (1) proportioning raw materials: components of a molten salt electrolyte being (x)A-(y)...
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WO/2019/107915A1 |
The present invention provides a molten salt electrorefining apparatus comprising: a reaction crucible which is provided inside a reaction vessel and is filled with a molten salt electrolyte; an anode and a cathode immersed in the molten...
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WO/2019/105184A1 |
A clamping frame for an aluminum electrolytic cell, relating to the technical field of aluminum electrolysis. The clamping frame comprises a first clamping frame (1) provided around an aluminum frame (18) of a built-in conductor, and a p...
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WO/2019/107287A1 |
Provided is a method for producing electrolytic copper that gives a good production efficiency even at high nickel concentrations in the crude copper used as the anode. The method for producing electrolytic copper comprises a step for ca...
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WO/2019/100673A1 |
Disclosed is a method for the selective nitric acid leaching of lithium elements in an aluminum electrolyte, comprising the following steps: S1. pulverizing and sieving an aluminum electrolyte containing lithium elements; S2. mixing nitr...
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WO/2019/102765A1 |
Provided is a treatment method whereby it becomes possible to recovery copper, nickel and cobalt, which are valuable metals, contained in a lithium ion battery waste and to separate copper, nickel and cobalt from one another effectively....
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WO/2019/100176A1 |
The invention relates to a turning machine for inspecting cathodes produced by means of electrowinning, which machine saves time during the operations involved in the inspection process and improves safety. The machine comprises a turnin...
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WO/2019/098888A1 |
The invention relates to the production of aluminum in electrolysis cells with baked anodes. A device comprises a system of gas ducts and gas-collecting caps. Each of the caps is connected by a first channel to a horizontal gas duct so a...
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WO/2019/085248A1 |
Disclosed is a composite anode for an aluminum electrolytic cell, relating to the technical field of aluminum electrolysis. In order to solve the disadvantages existing in separately adding raw materials to a liquid electrolyte in an ele...
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WO/2019/080487A1 |
Disclosed in the present invention is a crystal form changing method of lithium-containing aluminum electrolyte, relating to the technical field of aluminum electrolyte extraction and recycling. The method comprises the following steps: ...
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WO/2019/084045A1 |
A method is disclosed for recycling of titanium particles, including titanium alloy powders used in additive manufacturing processes. The method includes receiving a feedstock comprising titanium particles. The as-received titanium parti...
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WO/2019/078764A1 |
The invention relates to non-ferrous metallurgy and the electrolytic production of aluminium, and can be used for lining the cathode assembly of an electrolytic cell. The present method consists in laying materials while simultaneously d...
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WO/2019/076151A1 |
Disclosed is an electro-deposition method for producing metallic silver, comprising: use an electrolytic cell having a specific diaphragm to electrolyze Ce(NO3)3-containing anode zone electrolyte and AgNO3-containing cathode zone electro...
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WO/2019/066890A1 |
Systems and methods for controlling heat loss from an electrolytic cell in a smelting process using an adjustable fluid passage to control the heat loss from a preferred area of the electrolytic cell side walls based on operating conditi...
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WO/2019/066764A1 |
The present invention relates to an active substance for sewage treatment and dewatering of solid domestic wastes landfills. Besides, the present invention also relates to a method for producing this active substance. More specifically, ...
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WO/2019/057431A1 |
The present invention relates to a method for producing a metal M and/or a mixture and/or an alloy thereof in a reduction cell comprising at least one anode and at least one cathode, wherein a compound of the metal M and optionally at le...
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WO/2019/055910A1 |
Metallurgical assemblies and systems according to the present technology may include a refractory vessel including sides and a base. The base may define a plurality of apertures centrally located within the base. The sides and the base m...
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WO/2019/041006A1 |
An alumina feeding apparatus with heat exchanger for electrolysis cells energy recovery is disclosed. The heat exchanger is integrated into the feeder. It is designed to preheat the alumina by using the heat of the gases generated by the...
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WO/2019/035446A1 |
Provided is a metal which is one of tin, silver, copper, zinc, or indium, and has low α-ray emission, wherein the α-ray emission of the metal after being heated in air at 100°C for 6 hours is 0.002 cph/cm2 or less. A metal selected fr...
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WO/2019/032670A1 |
A process is provided for producing lithium directly from a lithium feed solution selected from the group consisting of lithium chloride brine, lithium sulfate spodumene liquor, lithium hydroxide, and a combination thereof. The lithium f...
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WO/2019/027978A1 |
A method of and system for electrolytic production of reactive metals is presented. The method includes providing a molten oxide electrolytic cell including a container, an anode, and a current collector and disposing a molten oxide elec...
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WO/2019/014034A1 |
This disclosure provides techniques for treatment of aqueous matrices using electrolysis to produce soluble metals. An aqueous matrix of interest is passed through an electrolysis device with at least one consumable electrode, which diss...
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WO/2019/014632A1 |
Disclosed methods relate to producing rare earth metals from oxides thereof. A method can include dissolving a rare earth rnetal oxide in an acid to prepare a rare earth metal-acid solution; reacting an alkali metal fluoride with the rar...
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WO/2019/012376A1 |
This potshell (10) comprises: - a bottom wall (11) and peripheral walls (12-15) extending upwards from said bottom wall, so as to define an inner reception volume (V10), said peripheral walls comprising side walls (12, 13) and end walls ...
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WO/2019/006545A1 |
A method is disclosed for the oxidation and thermal decomposition of metal chlorides, leading to an efficient and effective separation of nuisance elements such as iron and aluminium from value metals such as copper and nickel. In the fi...
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WO/2019/005510A1 |
The following describes a reconfigurable set of industrial processing techniques which, when appropriately combined, enable zero-emissions reforming, utilizing a wide range of conventional and unconventional feedstocks. Hydrocarbons, har...
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WO/2018/234637A1 |
The invention relates to a method of recovering Pt or Ag or Pt and Ag from a sulfate solution on an electrode. In particular, the invention concerns a method for recovering Pt or Ag or Pt and Ag from base metal bearing process solution, ...
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