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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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WO/2018/202959A9 |
The invention relates to a method for controlling a reduction cell, characterised in that: a cycle length of between 5 and 15 minutes is imposed on the cell; a step of measuring the voltage across the terminals of the cell is carried out...
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WO/2018/234946A1 |
Electrolysis plant comprising a plurality of electrolysis cells (C) connected in series, each two neighboring cells being connected by a set of electrical conductors carrying a current of high intensity l H , and said cells (C) being arr...
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WO/2018/231088A1 |
The invention relates to the field of aluminium production, more particularly to breaking electrolyte crust in electrolysers of any type. According to the proposed method, breaking the electrolyte crust in an aluminium electrolytic cell ...
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WO/2018/229441A1 |
System providing traceability for carbonaceous blocks (1) while they are being processed, transported and/or stored, characterized in that it comprises: – at least one station (40) for the initial identification of at least one carbona...
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WO/2018/221734A1 |
This method for producing high-purity electrolytic copper is characterized in that: a first additive (A) which contains an aromatic ring of a hydrophobic group and a polyoxyalkylene group of a hydrophilic group, a second additive (B) com...
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WO/2018/221724A1 |
The present invention exhibits a Cu purity excluding gas components (O, F, S, C, Cl) of 99.9999 mass% or higher, an S content of 0.1 mass ppm or less, and an area ratio of crystals having a (101) ±10° orientation of less than 40% when ...
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WO/2018/220979A1 |
Provided are: a cathode plate for metal electrodeposition which makes it less likely to lose a non-conductive film on a metal plate, which can be used repeatedly, and for which maintenance is easy even if a non-conductive film is lost; a...
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WO/2018/219538A1 |
The invention relates to a gripping device (21) for mating an anode rod (1) having a recess (9) between two legs (2, 3) at its top end, and further having a bolt (6) securely fixed in the legs. The invention also relates to a method for ...
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WO/2018/189463A1 |
Process for installing an anode cover in an electrolytic cell (2) used for the production of aluminium, by means of a service machine (4) comprising at least one device (23) for dispensing a covering product (22) on at least one anode bl...
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WO/2018/186190A1 |
This device for producing metallic Li is provided with: an extraction electrode which extracts metallic lithium; a counter electrode which faces the extraction electrode; and an accommodation part which includes a non-aqueous solvent for...
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WO/2018/182083A1 |
The present invention relates to a metal recovery method including cyanide removal and a metal recovery system therefor. A metal recovery method including cyanide removal according to the present invention comprises the steps of: prepari...
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WO/2018/178509A1 |
The invention relates to an adjustment device mechanism for anodes of an aluminium smelter and to a corresponding adjustment method. An aluminium production cell used in the smelter comprises a cathode (2) forming the bottom of the produ...
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WO/2018/184008A1 |
In some embodiments, an exemplary electrolytic cell includes: a cathode structure disposed within an electrolysis cell, wherein the electrolysis cell is configured to produce metal on a surface of the cathode structure, wherein the catho...
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WO/2018/173786A1 |
The problem addressed by the present invention is to provide a Mn based alloy exhibiting metamagnetism in a wide range of temperatures. This MnAl alloy has metamagnetism and has crystal particles containing a τ-MnAl phase and crystal pa...
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WO/2018/161682A1 |
A method for selectively removing monovalent anion impurities from a sulfuric acid system electrolyte solution is provided. The method comprises: adjusting the concentration of ionized H2SO4 in the electrolyte solution, introducing the e...
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WO/2018/159774A1 |
In the present invention, using a molten salt electrolytic deposition method in which a constant-current pulse is used, a titanium electrodeposition film is formed on a surface of a cathode electrode constituted of glassy carbon, graphit...
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WO/2018/160105A1 |
A design for a metallic inert anode is proposed which is configured in the form of a perforated structure having through holes, in particular formed by longitudinal and transverse anode elements that intersect with each other and are del...
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WO/2018/155992A1 |
An anode structure for electrolytic smelting according to the present invention comprises: an electrode where a metal coating layer is formed on a base material; a conductive support body, coupled to the electrode, for supporting the ele...
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WO/2018/150811A1 |
A method for electrolytic recovery of Au from a used Au-containing iodine etching solution and regenerating said etching solution characterized in that: the electric potential of the negative electrode is set to be -0.75 V to -0.95 V (re...
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WO/2018/147399A1 |
This method for producing aluminum includes: a dissolution step of dissolving an Al-containing hydrate in water so as to prepare an aqueous solution that contains Al ions; an extraction step of bringing an aqueous phase constituted from ...
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WO/2018/138917A1 |
Provided is a bismuth purification method for recovering bismuth from a liquid obtained after recovering precious metals from copper electrolysis slime. The method comprises: 1) a neutralization step in which an alkali is added to an aci...
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WO/2018/137025A1 |
The present invention relates to a device (10) for supplying alumina to an electrolytic cell (100), comprising a boring part (22), a tubular sleeve (23) surrounding the boring part, the sleeve comprising a lower opening and a first gas d...
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WO/2018/134754A1 |
This cathode assembly(C) comprises: -a cathode body(1) made of a carbonaceous material, said cathode body being provided with at least one slot (17, 17'), said slot being provided with side walls (171, 172, 171', 172') parallel to a long...
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WO/2018/136337A2 |
Devices and methods for electrode diaphragms are presented in which a hydrophobic polymeric diaphragm is pretreated with ions present in an electrolyte under conditions that are effective to increase wettability of the diaphragm. It is c...
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WO/2018/129949A1 |
Disclosed are a production method and production apparatus for electrodeposited cobalt with an integrated manufacturing system, wherein same belong to the technical field of the production of electrodeposited cobalt, and solve the follow...
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WO/2018/129621A1 |
There is provided a process for manufacturing a carbonaceous anode for an electrolysis cell for the production of aluminium. The process comprises contacting coke particles with a boron-containing solution to obtain boron-impregnated cok...
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WO/2018/128153A1 |
[Problem] To reduce variation in the composition of a MnAl alloy precipitated by molten salt electrolysis, and obtain high magnetic properties. [Solution] In a method for producing MnAl alloy by electrolyzing a molten salt containing a M...
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WO/2018/119497A1 |
The present utility model relates to an improvement to the lateral protection (160) for cathodes (1) used in the electrodeposition of zinc in electrolytic cells (3), the cathode (1) having a plate (10) having a thickness (ec) and first a...
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WO/2018/123482A1 |
The present invention addresses the problem of providing a method for recovering a molten-salt electrolyte such as a liquid rare earth metal or an iron alloy thereof accumulated inside an electrolysis tank of a molten-salt electrolysis d...
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WO/2018/120255A1 |
An inbuilt conductor continuous aluminium frame anode aluminium electrolytic bath, solving the problems of existing aluminium electrolytic baths of poor electrical and thermal conductivity and exhaust capacity, high energy consumption, c...
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WO/2018/116076A1 |
Electrolysis plant, comprising a power supply (RS) and a plurality of electrolytic cells (C) arranged along a first and a second line (L1, L2), said cells being connected in series by means of conductors, the current collected at the cat...
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WO/2018/114925A1 |
The present invention discloses an electrochemical method of extracting rare earth (RE) elements from alloys containing RE elements in an electrolysis cell comprising an anode compartment located below a submerged liquid anode connected ...
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WO/2018/115706A1 |
The invention relates to a method for extracting tin and/or lead contained in an electrically conductive mixture derived from waste, using a solution comprising methane sulphonic acid as an electrolytic solution.
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WO/2018/115580A1 |
The invention relates to a method of removing and/or recovering metals from a dilute metal containing solution. In particular, the invention concerns a method for recovering copper from a dilute copper-iron bearing mining water, particul...
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WO/2018/108604A1 |
A suspension arrangement for anode beams in cells of Hall-Héroult type for the electrolytic production of aluminum including an anode superstructure comprising an elongated generally horizontally disposed anode beam (AB) supporting preb...
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WO/2018/110648A1 |
This method for manufacturing an electrolytic aluminum foil comprises supplying an electrolytic solution to an electrolytic bath in which a diaphragm is provided between an anode and a cathode, and causing an aluminum foil to be deposite...
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WO/2018/112018A2 |
An aluminum alloy composition includes a corrosion resistant aluminum alloy selected from the group consisting of: a 1xxx series aluminum alloy, a 3xxx series aluminum alloy, and a 5xxx series aluminum alloy. The corrosion resistant alum...
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WO/2018/104855A1 |
The invention relates to an electrodic support structure for coaxial electrolytic cells suitable for operating in both monopolar and bipolar configuration. The electrode support structure comprises a support plane made of an isolating ma...
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WO/2018/104803A1 |
System for, and methods of, recovering precious metals from precious metals-containing solids are described herein. Methods for the recovery of precious metals from precious metals- containing solids heating a salt mixture to form a molt...
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WO/2018/095162A1 |
The invention provides a low energy consumption method for preparing an electrolytic copper from a copper-containing sludge. The method comprises steps of sintering, smelting, refining, primary electrolysis, secondary electrolysis and th...
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WO/2018/097744A1 |
The invention relates to a method for producing aluminium-based alloys using electrolysis. The method comprises using a non-consumable anode of an aluminium electrolysis cell as a source of alloying elements, introducing alloying element...
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WO/2018/092954A1 |
An aspect of the present invention provides a method for recovering metals, the method comprising the steps of: (a) atomizing a first copper alloy to obtain a power; (b) dissolving the powder in a first acidic solution to separate a seco...
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WO/2018/093298A1 |
Use: The invention relates to hydrometallurgy of noble metals. Essence of the invention: A method comprises anode dissolution of alloys of various compositions that contain noble metals, including gold, and subsequent reduction on a cath...
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WO/2018/092103A1 |
An electrode (12) for use in electrowinning or electrorefining is disclosed which comprises a hanger bar (20) and a metal plate (16). The hanger bar (20) extends along the top edge of the plate (16) and the plate has a bottom edge and op...
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WO/2018/076736A1 |
Provided are an electrolytic cathode assembly and an electrolytic cell. The electrolytic cathode assembly therein comprises a cathode plate; a wrapping strip, which seals a side of the cathode plate; and an insulating clamp, which is loc...
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