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RE45415 Flow-through oxygenator  
An oxygen emitter which is an electrolytic cell is disclosed. When the anode and cathode are separated by a critical distance, very small microbubbles and nanobubbles of oxygen are generated. The...
8911610 Process for producing metallic lithium  
Provided is a safe and efficient method for producing lithium metal which facilitates efficient production of anhydrous lithium chloride without corrosion of the system materials by chlorine gas...
8795507 Apparatus and method for improving magneto-hydrodynamics stability and reducing energy consumption for aluminum reduction cells  
An apparatus and method for smelting has a smelting pot for containing electrolyte, alumina and a layer of liquid aluminum. A wall in the form of one or more TiB2 or alumina plates extends from...
8771482 Anode shroud for off-gas capture and removal from electrolytic oxide reduction system  
An electrolytic oxide reduction system according to a non-limiting embodiment of the present invention may include a plurality of anode assemblies and an anode shroud for each of the anode...
8647481 Pot tending machine for working on electrolysis cells for the production of aluminum by igneous electrolysis  
Pot tending machine for a series of electrolysis cells designed for the production of aluminum by igneous electrolysis including: a) an overhead traveling crane which can be relocated above said...
8480876 Aluminum production cell  
Low temperature cell for electrolytic production of aluminum.
8366886 Fluorogas generator  
A fluorine/fluoride gas generator which has an electrolyte made of mixed molten salt containing hydrogen fluoride in an electrolytic cell including an anode chamber and a cathode chamber, and...
8282802 Work electrodeposition coating method and electrodeposition coating device  
Provided with a work electrodeposition coating method for immersing a work in a paint in an electrodeposition tank provided with a first positive electrode for supplying a low voltage and a second...
8273223 Handling device for hoods of a cell for electrolytic aluminium production  
A handling device for hoods of an aluminum production cell by fused bath electrolysis, including a positioning device and a hood-gripping device. The positioning device includes a vertical guide...
8206560 Aluminum electrolytic cells having heterotypic structured cathode carbon blocks  
Disclosed is an aluminum electrolytic cell having profiled cathode carbon blocks structures, comprising a cell case, a refractory material installed on the bottom, an anodes and a cathode. The...
8168046 Method and apparatus for treating a component of a gas turbine engine  
A surface treatment device for applying a surface treatment medium to an article is provided with the surface treatment device having an application member for applying the surface treatment...
8123928 Shut-down and start-up procedures of an electrolytic cell  
A process for shutting down an operating electrolytic cell for the production of aluminium is described. The process includes: lowering anodes until a lower portion of the anodes is immersed in an...
8114258 Electrolysis device for the production of alkali metal  
An electrolysis device producing alkali metals from a liquid alkali metal heavy metal alloy, including at least two connected tubes forming an electrolysis unit. Two solid electrolyte tubes are...
8099848 Method and device for removing thimbles from anode legs  
A process for removing in a single step the thimbles attached to the stubs of an anode leg, including the following steps: a) said anode stem leg is placed between a stop device and an attacking...
8097144 Aluminium electrowinning cell with enhanced crust  
A cell for the electrowinning of aluminium has a cavity for containing electrolyte (20) and one or more non emerging active anode bodies (5) that are suspended in the electrolyte. The...
8088269 System and method for measuring alumina qualities and communicating the same  
System and method for measuring alumina qualities and communicating the same are disclosed. In one example, a system includes an aluminum electrolysis cell, a feeder configured to supply a feed...
8075747 Enhancement of aluminum tapping by application of targeted electromagnetic field  
Systems, methods and apparatus for facilitating removal of molten metal from an electrolysis cell are provided. In one embodiment, a system includes a container and an electrical source coupled to...
8038852 Fluorine gas generator  
A fluorine gas generator for generating highly pure fluorine gas in a stable and safe manner by electrolyzing an electrolytic bath 2 comprising hydrogen fluoride in the form of a molten mixed gas...
7981260 Electrolysis cell for producing alkali metal  
An electrolysis cell for preparing alkali metals from a liquid alkali metal heavy metal alloy, including a tube arranged essentially horizontally having a closure device at each of the two ends of...
7976685 Remote controllable pot tending module for use in aluminum production plants  
Pot tending module (7) for a series of electrolytic cells for production by igneous electrolysis, including a chassis (8) that can be fixed to a trolley (6) moving along a travelling crane (4) and...
7959772 Aluminium electrowinning cells with sloping foraminate oxygen-evolving anodes  
A cell for the electrowinning of aluminum (50) from alumina, comprises an inclined plate-like or grid-like open anode structure (25) which has a generally v-shaped configuration in cross-section....
7879220 Method and means for improving electrolysis cell operation  
The present invention relates to a method of improving the current efficiency (CE) in an electrolytic aluminum production cell with an electrolytic bath, at least one anode and at least one...
7846309 Metal electrowinning cell with electrolyte purifier  
A cell for electrowinning a metal, in particular aluminium, from a compound thereof dissolved in an electrolyte (30) comprises an anode (40) and a cathode (10,11) that contact the electrolyte...
7799189 Closed end slotted carbon anodes for aluminum electrolysis cells  
An electrolysis cell (10) contains a number of carbon anodes (12) having top, bottom and side surfaces, operating in molten electrolyte (17) in an aluminum electrolysis cell (10), where gas...
7799187 Inert electrode assemblies and methods of manufacturing the same  
A composite anode assembly is provided, the assembly including a permeation resistant portion and a porous conductive portion circumscribing at least the bottom of the permeation resistant...
7758740 Electrochemical reduction of metal oxides  
An electrolytic cell for electrochemically reducing metal oxide powders and/or pellets is disclosed. The cell includes a cathode (25) in the form of a plate that has an upper surface for...
7740745 Non-carbon anodes with active coatings  
A cell for electrowinning aluminium from alumina, comprises: a metal-based anode having an electrochemically active outer part comprising a layer that contains predominantly cobalt oxide CoO; and...
7429314 Device for controlling the travel distance of a chisel in a feeding system for an aluminium production electrolytic cell  
Device for equipment of a cell (1) comprising an electrolytic bath (4) covered with a crust (5), with a chisel (13) that can be moved vertically between a high position in which it is above the...
7422624 Method for operating one or more electrolysiscells for production of aluminium  
A method for operating one or more electrolysis cells (43, 154, 243) for production of aluminium, the cell comprising inert or substantially inert anodes, where an oxygen containing gas (21, 126,...
7311808 Device and method for increasing mass transport at liquid-solid diffusion boundary layer  
A device and method for increasing the mass transport rate of a chemical or electrochemical process at the solid and fluid interface in a fluid cell. The device includes a membrane in close...
7294244 Microelectronic workpiece processing tool including a processing reactor having a paddle assembly for agitation of a processing fluid proximate to the workpiece  
An integrated tool is provided including at least one workpiece processing station having a paddle assembly. In accordance with another independent aspect of the present invention, the workpiece...
7179353 Closed end slotted carbon anodes for aluminum electrolysis cells  
An electrolysis cell (10) contains a number of carbon anodes (12) having top, bottom and side surfaces, operating in molten electrolyte (17) in an aluminum electrolysis cell (10), where gas...
7090760 Method of reducing spent oxide nuclear fuel into nuclear-fuel metal using LiCl-Li2O salt, cathode electrode assembly used in the method, and reduction device including the assembly  
Disclosed are a method of reducing spent oxides nuclear fuel to nuclear-fuel metal, in which metal oxides are reduced to metals using an electrochemical reduction device with LiCl—Li2O salt as an...
7077945 Cu—Ni—Fe anode for use in aluminum producing electrolytic cell  
A method of producing aluminum in an electrolytic cell containing alumina dissolved in an electrolyte, the method comprising the steps of providing a molten salt electrolyte at a temperature of...
7018516 Bipolar multi-purpose electrolytic cell for high current loads  
A bipolar multi-purpose electrolytic cell for high current loads has a frame, two electrode edge plates with metal electrode sheet, and power supply and of bipolar plates. Each includes a plastic...
6977031 Anode assembly  
An anode assembly for conducting electrical energy to an electrolytic smelting cell including an anode of high electrically conductive material connected to a yoke, the ends of the yoke being...
6866768 Electrolytic cell for production of aluminum from alumina  
Electrolysis of alumina dissolved in a molten salt electrolyte employing inert anode and cathodes, the anode having a box shape with slots for the cathodes.
6818106 Inert anode assembly  
A solid material (12′) circumscribing an anode system (10) in an electrolysis apparatus is made from a mixture of cryolite and/or alumina (Al2O3), where the solid material (12′) contacts and...
6797148 Drained-cathode aluminium electrowinning cell with improved electrolyte circulation  
A drained-cathode cell for the electrowinning of aluminium comprises one or more anodes (14) suspended over one or more cathodes (16). The or each anode (14) and cathode (16) respectively have a...
6783656 Low temperature operating cell for the electrowinning of aluminium  
A cell for the electrowinning of aluminum using anodes (10) made from a alloy of iron with nickel and/or cobalt is arranged to produce aluminum of low contamination and of commercial high grade...
6773574 Method and apparatus for removing thimbles from the stubs of an anode  
An apparatus and method for removing thimbles (12) from stubs (20) of an anode yoke which includes the step of advancing a ram (20) towards each stub with the force applied by the ram against the...
6723221 Insulation assemblies for metal production cells  
Insulation assemblies provide reduced heat loss from electrolytic metal production cells such as inert anode aluminum production cells. The insulation assemblies may be located at the end, side...
6692620 Aluminium electrowinning cell with sidewalls resistant to molten electrolyte  
A drained cathode cell for the electrowinning of aluminium comprises a cell bottom (20) arranged to collect product aluminium and thermic insulating sidewalls (55,55′) lined with a molten...
6682643 Aluminium electrowinning cells having a V-shaped cathode bottom and method of producing aluminium  
A cell for the electrowinning of aluminium comprises a plurality of metal-based anodes facing and spaced part from an aluminium-wettable drained cathode surface on which aluminium is produced. The...
6649035 Low energy and non-heat transferring crust breaking system  
A pneumatic control system is provided for selectively controlling movement of a pneumatically-operated device between first and second working positions. The pneumatically-operated device...
6641713 Apparatus and system for refining sodium  
An object of the invention is to provide a sodium refining apparatus which has a simple constitution and does not deteriorate a solid electrolyte employed therein. The sodium refining apparatus of...
6599413 Method and apparatus for the treatment of a melt  
A method and apparatus for adding a metal, for example sodium, to a melt of a material, for example aluminum, in a vessel, in which a molten compound of the metal or a solution of a compound of...
6579438 Molten salt electrolytic cell having metal reservoir  
An electrolysis cell (10) for producing a molten metal having a density less than a density of a molten electrolyte used for producing the metal in the cell. The cell includes a section (14) for...
6576362 Electrochemical cell system  
An electrochemical cell system is disclosed, wherein at least one electrochemical cell is provided in a vessel. The electrochemical cells each include a membrane electrode assembly having a first...
6572757 Method for producing aluminum and electrolytic cell with improved alumina feed device  
An electrolytic cell (40) for the electrowinning of aluminium comprises a plurality of anodes (60) immersed in a molten electrolyte (50), each anode (60) having an oxygen-evolving active surface...

Matches 1 - 50 out of 411 1 2 3 4 5 6 7 8 9 >