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WO/2015/198053A1 |
A method of producing metallic tantalum comprises the steps of providing a precursor comprising a tantalate of a first metal, arranging the precursor material in contact with a molten salt in an electrolytic cell, the electrolysis cell f...
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WO/2015/192443A1 |
The present invention provides a method for recovering waste hard alloy. According to the method, the waste hard alloy is used as an anode to directly perform electrolysis in a fused salt. The method comprises the following steps: 1) car...
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WO/2015/194985A1 |
The invention relates to non-ferrous metallurgy and can be used for controlling the feeding of alumina into electrolyzers in order to produce aluminum, with the aim of maintaining a concentration of alumina in an electrolyte which is ...
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WO/2015/179973A1 |
It is described a process for extracting aluminum from aluminum-bearing materials comprising the steps of leaching the aluminum-bearing material with HCl to obtain aluminum chloride; separating and purifying the aluminum chloride; provid...
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WO/2015/171010A1 |
The invention relates to a process for the extraction of gold and silver from ores and mining by-products. The process according to invention consists in treating ores and mining residues having a content of 0.5... 12 ppm Au with a solut...
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WO/2015/164990A1 |
The invention relates to an insertable electrode device (DEI) for metal electrowinning processes, said device being non-polluting since it does not generate acid mist or other gases. The principle is based on an oxidation half-cell react...
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WO/2015/162336A1 |
The invention relates to a method and to an arrangement for collecting and removal of acid mist from an electrolytic cell (1). The arrangement comprises a cover (3) for covering an open top of a container (2) of the electrolytic cell (1)...
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WO/2015/152457A1 |
The present invention relates to a method for separating and recovering silver and tin from anode slime and, more particularly, to a method for separating and recovering silver and tin from anode slime, comprising the steps of: putting a...
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WO/2015/148131A1 |
Disclosed herein are methods and systems for recovering precious metals from industrial waste materials. A volume of waste material is placed in a reaction vessel, in which the volume contains a metallic species in ionic form at an initi...
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WO/2015/140445A1 |
Apparatus for treating gases originating from electrolytic cells (2) for the production of aluminium, said cells being placed along two parallel lines (3), comprising means (4) for capturing the gases (1) at the electrolytic cells (2), d...
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WO/2015/135858A1 |
The invention relates to an electrochemical method for producing catalytically active powder from mixtures of metallic silver, optionally with silver oxides, which are particularly suitable for use in oxygen-consuming electrodes, in part...
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WO/2015/132654A1 |
Reagent compositions, methods and systems for reducing concentrations of impurity metals during metallurgic processes. Certain methods and systems in particular pertain to control of iron concentration in copper electrowinning electrolyt...
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WO/2015/131344A1 |
Provided is a method for preparing a magnesium-zinc intermediate alloy by a fused salt electrolysis process, comprising the following steps: using a liquid zinc or a liquid magnesium-zinc alloy as a cathode and graphite as an anode; prov...
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WO/2015/132479A2 |
The system (50) is intended to be mounted on a mobile unit of the facility in order to be able to be moved over the cells. It comprises: a support (51) intended to be mounted on the unit; a hinged arm (52) mounted on the support; a gripp...
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WO/2015/123762A1 |
The present disclosure relates to a method for extracting lithium from a lithium-containing material. For example, the method can comprise leaching a roasted lithium-containing material under conditions suitable to obtain an aqueous comp...
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WO/2015/125331A1 |
Provided is a low α-emitting bismuth, characterized in that the α ray emission rate is 0.003 cph/cm2 or less. Provided is a method for producing a low α-emitting bismuth, characterized in that bismuth having an α ray emission rate of...
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WO/2015/123502A1 |
The invention comprises methods and apparatuses for the electrorefining of Mg from Al or Mg alloy scrap. The invention utilizes the density and charge features of Mg present in a melted alloy to continuously extract Mg and Mg alloys from...
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WO/2015/121796A1 |
Start-up fuse for aluminium reduction electrolysis cell use (3) for bridging the gap (8) between an upstream cathode busbar (1) and a downstream cathode busbar (2) in an electrolysis plant, said fuse (3) comprises a metallic band-shaped ...
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WO/2015/116285A1 |
An electrochemical process for the production of light metals, particularly aluminum. Such a process involves contacting a light metal source material with an inorganic acid to form a solution containing the light metal ions in high conc...
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WO/2015/115272A1 |
[Problem] To provide a flow channel plate which is capable of having a fluid flow in a flow channel and achieving a sufficient electrochemical reaction by applying a voltage to an electrode that is provided on the flow channel. [Solution...
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WO/2015/110903A1 |
The invention relates to a system (1) comprising hoods (2), each hood (2) comprising two opposite edges designed to rest on two opposite edges of the electrolytic cell, such that each hood (2) extends from one side of the electrolytic ce...
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WO/2015/111697A1 |
The present invention effectively recovers a scandium concentrate from an Al-Sc alloy. This scandium concentrate production method includes: a molten mixture production step (S1) in which an alloy that contains aluminum and scandium is b...
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WO/2015/110907A1 |
The invention relates to a drilling device (6) comprising a cylinder (61) consisting of a body (611) and a rod (612) extending along a longitudinal axis (A-A'), and a drilling component (62) connected to the rod (611), said drilling devi...
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WO/2015/111698A1 |
The present invention effectively recovers a scandium concentrate from an Al-Sc alloy. This scandium concentrate production method includes: a molten mixture production step (S1) in which an alloy that contains aluminum and scandium is b...
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WO/2015/110905A1 |
The invention relates to an electrolysis tank comprising a casing (1) covered with an inner coating and including a base (10) and side walls (11, 12), the casing (1) being intended to receive a cryolite bath, and a containment enclosure ...
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WO/2015/110901A1 |
The invention relates to an electrolysis tank comprising a casing (1) with a base (10) and transverse and longitudinal side walls (11, 12), the casing (1) and a plurality of anodic assemblies (3) each comprising an anodic structure (32) ...
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WO/2015/110904A1 |
This tank (1) comprises a housing (2) delimiting an opening through which an anode block (10) is intended to be moved, said anode block (10) being suspended from an anode support (8) forming, with said anode block, an anode assembly that...
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WO/2015/110902A1 |
The invention relates to a device (1) for storing a load above an electrolytic cell (100) comprising a shell (102), hoods (120), a cathode (104) and anodic assemblies (106) arranged in the shell (102) and covered by the hoods (120), the ...
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WO/2015/110906A1 |
The present invention concerns a method for producing an anode assembly intended for tanks for the production of aluminium by electrolysis, the anode assembly comprising an anode rod (1), a longitudinal element (2) rigidly connected to o...
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WO/2015/107475A2 |
A hanger bar (30) for use in electrowinning or electrorefining comprises two stainless steel strips (12) which are welded to a row of stainless steel blocks (34) so that the blocks are between the two strips. The blocks and strips are th...
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WO/2015/102062A1 |
Low-α-emission bismuth characterized by having an α-ray emission of 0.005 cph/cm2 or less; and a process for producing low-α-emission bismuth, characterized by using bismuth having an α-ray emission of 0.2 cph/cm2 or less as a starti...
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WO/2015/098191A1 |
Bismuth characterized by having an α-ray emission of 0.007 cph/cm2 or less; and a process for producing low-α-emission bismuth, characterized by using bismuth having an α-ray emission of 0.15 cph/cm2 or less as a starting material, el...
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WO/2015/099383A1 |
The present invention relates to a metal recovery reactor and a metal recovery system. The metal recovery device according to the present invention comprises an electrolytic cell which receives a solution containing metal ions from the o...
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WO/2015/089654A1 |
An electrode assembly for use in a reduction cell for the production of metal such as aluminum. The electrode comprises an electrically conductive carbon electrode block with an electrically conductive metal member connected thereto. At ...
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WO/2015/089672A1 |
An anode block for aluminum production in an electrolysis cell, comprises a calcined carbon body having a wear surface with at least one groove defined therein, the at least one groove having at least a lower groove section with a lower ...
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WO/2015/095664A2 |
Systems and methods for the recovery of noble metal from noble-metal-containing material are generally described. Certain embodiments related to systems and methods in which an electric current is transported between an electrode and the...
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WO/2015/092162A1 |
The invention relates to a carriage (20) which makes it possible to operate a furnace (3) comprising longitudinal cavities arranged next to one another in a transverse direction (Y), with a constant centre-to-centre distance (d). The car...
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WO/2015/092133A1 |
A method for maintenance of used permanent cathode plates, said used cathode plate having scratches, crud formations and oversize grain boundaries on a surface of the cathode plate. The method comprises removing of scratches and accumula...
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WO/2015/085784A1 |
Provided are an apparatus and a method for eliminating anode effect of an aluminum electrolytic cell. The apparatus comprises a compressed air delivery pipe that is mounted at a cell top of the electrolytic cell, wherein the compressed a...
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WO/2015/086394A1 |
The present invention relates to a method for producing chlorine and for storing carbon dioxide, a compound of the formula M+Cl- being electrolytically reacted to M and Cl2, wherein M+ = Na, K or a mixture thereof, M being reacted with c...
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WO/2015/082527A1 |
The invention relates to a bipolar electrolytic cell particularly useful for electrochemical processes carried out with periodic reversal of polarity. The cell is equipped with a series of concentric electrode pairs, the innermost pair a...
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WO/2015/082769A1 |
The invention relates to a method and to a cooling tank (1) for cooling cast anode plates (3). The cooling tank (1) comprises a lifting means (8) for lifting a cast anode plate set (6) at a delivery end (5) of a cooling space (2) of the ...
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WO/2015/079072A2 |
The invention relates to an anodic structure for electrowinning cells comprising an anode hanger bar, a support structure of insulating material, at least one anode mesh having a valve metal substrate provided with a catalytic coating, s...
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WO/2015/077227A1 |
Lead from lead acid battery scrap is recovered in two separate production streams as clean grid lead and as high-purity lead without smelting. In preferred aspects, lead recovery is performed in a continuous process that uses an aqueous ...
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WO/2015/066646A2 |
The invention relates to apparatuses and methods for increasing energy efficiency and improving membrane robustness in primary metal production. In some aspects, the methods and apparatuses comprise interrupting a first current flow from...
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WO/2015/063557A1 |
The invention concerns a sealing device for a cover of an electrolysis cell (100) intended for the production of aluminium, the sealing device comprising a fastening portion intended to be secured to a side portion of a first cover (1) a...
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WO/2015/064201A1 |
Provided is highly pure In having a purity of 8N (99.999999%) or higher. Also provided is a production method that uses electrolysis to produce highly pure In and that is characterized in that: In having a purity of 5N (99.999%) is used ...
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WO/2015/059558A1 |
The invention relates to a device for handling anode assemblies and casting ladles (4) of an electrolysis plant, comprising: a first platform intended to support an anode assembly; a second platform (20) intended to support a casting lad...
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WO/2015/060250A1 |
In the electrodeposition treatment of a liquid containing iron-group metal ions, the present invention can achieve, independently of the properties of the liquid, efficient deposition and removal of the iron-group metal ions form the liq...
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WO/2015/059556A1 |
The invention relates to a vehicle (1) comprising: means for approaching a load; means for remotely detecting an obstacle, capable of scanning a detection zone (8); means for collecting kinematic data, intended to collect one or more ite...
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