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WO/2009/062005A1 |
In various embodiments, the present invention provides an electrolytic cell contact bar having a first pole and a pair of second poles. The second poles are opposite in charge to the first pole and each of the pair of second poles are ad...
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WO/2009/055844A1 |
A collector bar for electrical connection to a busbar system of an electrolytic cell, the collector bar being received within a recess in a cathode block of the cathode of the electrolytic cell; wherein the collector bar comprises a firs...
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WO/2009/057270A1 |
An electrolysis system comprises an electrolytic cell (10) for containing electrolyte (70), a heating section (20) provided around the electrolytic cell in order to heat the electrolytic cell, an electrode portion (30) having an electrod...
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WO/2009/054819A1 |
This invention relates to a method for producing tungsten and/or tungsten alloys from tungsten bearing compounds by electro reduction in molten salt solutions. The process for carrying out the invention can be expanded to include other m...
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WO/2009/055645A1 |
Systems and methods for determining compositions of cover materials for electrolysis cells are provided. In one embodiment a system includes an aluminum electrolysis cell adapted to contain an electrolytic bath, a hopper configured to pr...
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WO/2009/049486A1 |
A fluidizing distribution apparatus for distributing alumina powder in the fume-purifying system of the aluminium electrolytic process is disclosed. The fluidizing distribution apparatus includes a material chamber for accommodating and ...
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WO/2009/038023A1 |
This invention provides a microstructured noble metal nanostructure having a multidimensional structure of a nanometer size comprising primary particles. The microstructured noble metal nanostructure is characterized in that it is in the...
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WO/2009/038962A1 |
The present invention relates generally to a process for controlled leaching and sequential recovery of two or more metals from metal-bearing materials. In one exemplary embodiment, recovery of metals from a leached metal-bearing materia...
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WO/2009/033260A1 |
The invention relates to a multi-polar reduction cell for production of a light metal by electrolysis. The cell has an anode, a cathode, and at least one current-conducting multi-polar electrode interposed between the anode and the catho...
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WO/2009/033356A1 |
A cooling system, especially a controlled cooling system for aluminium electrolytic cell is disclosed. The controlled cooling system of the present invention for aluminium electrolytic cell is carried into execution by the following tech...
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WO/2009/032393A1 |
A water treatment system includes a circulation pump and a chlorine-generating electrolytic cell in fluid communication with a main body of water. When mineral deposits foul the generator, water is stagnated within the electrolytic cell ...
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WO/2009/026784A1 |
The present invention discloses a feed apparatus of powder materials, more particularly a ration feed apparatus of alumina powder used in fume cleaning system of aluminum electrolysis. A fluidizing feed apparatus, the structure of which ...
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WO/2009/026678A1 |
An electrolytic cathode assembly, typically used in the refining or winning of metals, has an electrically conductive hanger bar and a deposition plate attached along an upper end to the hanger bar to define a joint. The cathode assembly...
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WO/2009/026598A2 |
In a method for operating copper electrolysis cells which comprise a plurality of anode and cathode plates positioned perpendicularly and parallel to each other, an electrolyte inlet on the longitudinal side and an electrolyte outlet, th...
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WO/2009/025837A1 |
A multi-element cover system for controlling acid mist in metal electrowinning or electrorefining cells is made of an electrolyte resistant material and is applied above the surface of the electrolyte and below the electrical connections...
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WO/2009/018598A1 |
Metal recovery apparatus (20) being a diaphragm-less electrolytic cell arrangement where oxidizing reactions are achieved in a cathode cell (32) in an anode mode and reducing reactions in the anode cell (43) in a cathode mode by changing...
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WO/2009/020839A1 |
An electrolytic process for recovering uranium produces a uranium product that is substantially free of alkali metal and carbonate/bicarbonate ions, obviating the need for removing these ions from the uranium precipitate in a separate wa...
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WO/2009/018602A1 |
An apparatus for stripping metal from a cathode plate in which part of the metal has been separated from the cathode plate to form a gap between the part of the metal and the cathode plate, the apparatus comprising at least one roller fo...
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WO/2009/016190A2 |
A system to monitor, control and management of a plant where hydrometallurgical processes of electrowinning or electrorefining of non ferrous metals which enables measuring the process variables which comprises: at least one group of ele...
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WO/2009/015534A1 |
A method for processing the used liner of aluminum electrolyser includes the following steps: (1) crushing and grinding the used liner of aluminum electrolyser containing waste carbonaceous material and fireproof material into powder wit...
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WO/2009/011190A1 |
This invention provides a process for producing a metal by an electrolytic process for alkali metals, alkaline earth metals or rare earth metals(particularly metallic Ca), and an apparatus for producing a metal which is used in practicin...
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WO/2009/010737A2 |
An inert anode material for use in electrolytic processes comprises calcium ruthenate. [Note that the nominal formula for this compound is CaRu03, although different stoichiometries may apply in practice].
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WO/2009/007440A2 |
The present invention relates to a process for the electrochemical purification of aluminium, which comprises the steps (a) provision of an electrolysis apparatus having at least one anode and at least one cathode in an electrolysis spac...
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WO/2009/008121A1 |
A process and apparatus for production of metallic calcium for use in the production of metallic titanium through reduction of a titanium compound; especially a process and apparatus for efficient production of high-purity metallic calci...
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WO/2009/007598A1 |
In order to carry out a selective extraction of cations (Mn+) by an electrochemical transfer in a solution from a first electrolyte (E1) to a second electrolyte (E2), the method comprises using as an electrolyte separation wall a transfe...
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WO/2009/003217A1 |
A butt press is provided having gripping members operative to grip a rod of a rodded anode, pressing members operative to press the anode or butt from the rod and a plurality of breaking bars arranged as at least two opposed sets of brea...
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WO/2009/000772A1 |
Anode assembly 1 for aluminium electrolysis cells comprising carbon anodes 2 with stubholes 5 and an anode hanger 3 having stubs 4, whereas the anodes 2 are fixed to the anode hanger 3 by cast iron 6, characterized in that the stubholes ...
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WO/2008/154722A1 |
An acidic aqueous electrolyte solution for production of a nickel cathode is provided which includes nickel ions, and 2,5-dimethyl-3-hexyne-2,5-diol. The 2,5- dimethyl -3-hexyne-2,5-diol may be present in the acidic aqueous electrolyte s...
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WO/2008/156372A2 |
This invention relates to a method for recovering elemental silicon cutting remains containing silicon particles, wherein the method comprises manufacturing solid anodes from the cutting remains, arranging one or more manufactured anode ...
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WO/2008/153001A1 |
Provided is a device, which is used when a metal is electrolytically recovered from a metal containing solution. The metal recovering device can realize more reductions in the space saving and the facility load than those of the recoveri...
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WO/2008/154180A2 |
Methods for preparing an implant coated with a conversion electron emitting source (CEES) are disclosed. The typical method includes cleaning the surface of the implant; placing the implant in an activating solution comprising hydrochlor...
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WO/2008/154391A1 |
A heat exchanger suitable for long term use in the unfiltered hot exhaust gas of an aluminum smelter is disclosed. In one embodiment, the heat exchanger comprises fluid carrying tubes connected together with web members to form a cylindr...
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WO/2008/152452A2 |
An anode and cathode for an electrolytic cell configured as a low inductance transmission line to enable control of an interphase at an electrode surface. The anode and cathode are coupled to a switched current source by a low inductance...
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WO/2008/144967A1 |
A method for recovery and production of ultrafine zinc powder from zinc-containing dust involves steps as follows: adding zinc-containing dust into alkaline solution, stirring the solution at the temperature 20?~60? and separating the so...
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WO2008039478B1 |
Contemplated configurations and methods allow for effective removal of copper from aqueous media by selectively concentrating copper in a first stage, wherein competing metal ions are subjected to a redox reaction to thereby increase sel...
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WO/2008/142995A1 |
An on-site integrated production plant, in which fresh water, sodium, magnesium, calcium, potassium, sodium hydroxide, chlorine, hydrochloric acid, sulfuric acid, hydrogen, oxygen and the like are produced by electrolyzing seawater using...
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WO2007146609B1 |
A system, device, and method include a cell-powered first electronic device for monitoring two or more electrolytic cells is powered using electrical potential imposed across the electrolytic cells. The potential is voltage-boosted to ac...
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WO/2008/139412A1 |
A method for producing a metal from a metal sulphide ore or mineral is claimed. The metal sulphide ore is leached by non-oxidative dissolution in a chloride solution to produce a metal chloride solution and hydrogen sulphide; the metal c...
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WO/2008/138220A1 |
An electromagnetic pump, especially a direct-current electromagnetic pump without external power source for transporting liquid metal, which is suitable for taping out liquid aluminum from an electrolytic cell. Wherein, the pump body (2)...
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WO/2008/135653A1 |
The invention relates to a service module (13) for a series of electrolysis cells (2) for producing aluminium by igneous electrolysis, each cell including a series of anodes (3) with a metal rod (4) for the attachment and the electrical ...
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WO/2008/132590A2 |
A cell for the electrowinning of aluminium has one or more anodes (10) facing at least one cathode (20). This cathode comprises: a cathode body (25) made predominantly of at least one hard metal selected from tungsten and molybdenum; and...
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WO/2008/124904A1 |
The present invention relates to a process which comprises the following stages: (a) beneficiation or preparation of ores containing nickel and/or cobalt and other base metals; (b) ore leaching: can be performed in various ways and combi...
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WO2008071699B1 |
A method for producing a reflectively coated trench (3) as an optical waveguide in optical rotary transformers comprises the steps of producing a trench (55) in a carrier structure (51), galvanically applying a reflective layer by means ...
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WO/2008/119100A1 |
Apparatus suitable for use in an aluminium smelter, the smelter including a vessel having a hood or vessel wall with a penetration region therein through which an anode stem can pass so as to extend into the vessel. The apparatus provide...
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WO2007101042B1 |
A system and method for continuously separating different isotopes of a particular element, such as Uranium, Zirconium, or Hydrogen, in an electrolytic medium. The ions of the isotopes to be separated are moved in the electrolytic medium...
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WO/2008/120993A1 |
A method and improvements relating to an electrolysis cell, where the cell comprises a substantially horizontal cathode of an electronic conducting material and further have current leads such as horizontal collector bars embedded therei...
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WO/2008/120995A1 |
Method and equipment for production of high purity silicon (Si) metal from reduction of silicon tetrachloride (SiCI4) by liquid zinc metal. The Zn reduction of SiCI4 and the production of Zn by electrolysis of ZnCb take place in a common...
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WO/2008/117649A1 |
A method of recovering a valuable metal from an oxide-based scrap, characterized by using an insoluble electrode as an anode, using the oxide-based scrap as a cathode, and conducting electrolysis to recover the cathode scrap in the form ...
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WO/2008/113496A1 |
An improved flue gas cooler (10), or bank of coolers (10), handles flue gas G from aluminium reduction cells in an aluminium smelter plant. The or each flue gas cooler (10) has a gas inlet chamber (14), a gas outlet chamber (16), and a m...
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WO/2008/106849A1 |
An electrolytic cell for aluminum has cathode made of carbon blocks, which has a heterotypic structure. Said cell comprises steel shell, refractory material installed on the bottom, anodes and cathode. The cathode carbon blocks have proj...
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