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7928419 Electrolytic device based on a solution-processed electrolyte  
The present disclosure relates to a solid electrolyte device comprising an amorphous chalcogenide solid active electrolytic layer; first and second metallic layers. The amorphous chalcogenide solid...
7776191 Cathhodes for aluminum electrolysis cell with non-planar slot configuration  
Cathodes for aluminum electrolysis cells are formed of cathode blocks and current collector bars attached to those blocks. The cathode block has a cathode slot for receiving the collector bar and...
7749363 Aluminium electrowinning cell design with movable insulating cover sections  
A cell for the electrowinning of aluminium by the electrolysis from an aluminium compound dissolved in a molten electrolyte (50), comprises: (I) a plurality of non-carbon anodes (10), each anode...
7699963 Internal cooling of electrolytic smelting cell  
An electrolytic cell for the production of metal by electrolytic reduction of a metal bearing material dissolved in a molten salt bath, the cell including a shell, and a lining on the interior of...
7658832 Stabilisation of liquid metal electrolyte systems  
A method of stabilizing an electrolysis cell with a boundary, a liquid metal layer and an electrolyte layer having specific operational and geometric parameters, and comprises the steps of...
7628904 Minimising carbon transfer in an electrolytic cell  
An electrochemical cell for electrochemical reduction of a metal oxide in a solid state is disclosed. The cell includes a molten electrolyte (14), an anode (10) formed from carbon in contact with...
7618519 Cathode element for use in an electrolytic cell intended for production of aluminum  
This invention relates to a cathode element for use in a pot of an electrolytic cell intended for production of aluminum. The cathode element comprises a cathode block and a steel connection bar....
7527715 Method and system for cooling an electrolytic cell for aluminum production  
The invention relates to a cooling method of a igneous electrolytic cell for aluminium production wherein heat transfer fluid droplets (or “divided heat transfer fluid”) are produced, pre...
7504010 Anode for electrolysis of aluminum  
The present invention relates to a dimensionally stable oxygen-evolving anode for use in an electrolytic cell for the production of aluminium. The anode comprises of a container made from an alloy...
7465379 Electrolysis cell and structural elements to be used therein  
An arrangement of one or more structural elements (3) in a cell lining, in particular for use as a side lining in aluminum electrolysis cells (5). The design of and choice of materials for side...
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...
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 e...
6638412 Prevention of dissolution of metal-based aluminium production anodes  
A method of inhibiting dissolution of a transition metal alloy anode (40) of an aluminium electrowinning cell comprises providing a sodium-inert layer (11,20,50,50′) on a sodium-active cathodic c...
6558525 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...
6540887 Aluminum electrowinning cells with oxygen-evolving anodes  
A cell for the electrowinning of aluminium comprises at least one non-carbon metal-based anode (10) having an electrically conductive metallic structure (12, 13, 15) which is suspended...
6537438 Method for protecting electrodes during electrolysis cell start-up  
The present invention is directed to methods for applying a protective layer (42) to the cathode (40) of an electrolysis cell (10), where the cell also contains inert anodes (50) and the protective...
6533909 Bipolar cell for the production of aluminium with carbon cathodes  
A bipolar cell for the electrowinning of aluminium has bipolar electrodes each comprising a carbon cathode body having on one side an active surface on which aluminium is produced and connected on...
6475358 Method for providing a protective coating for carbonaceous components of an electrolysis cell  
A method of treating a carbonaceous cell component of an electrolyte cell for the production of aluminum, to impart protection against deterioration during operation of the cell. A liquid...
6436272 Low temperature aluminum reduction cell using hollow cathode  
A method of producing aluminum in an electrolytic cell containing alumina dissolved in an electrolyte. A plurality of non-consumable anodes are disposed substantially vertically in the electrolyte...
6358393 Aluminum production cell and cathode  
A cell for the production of aluminium by the electrolysis of an aluminium compound dissolved in a molten electrolyte, in which an outer mechanical structure forming an outer shell (21) houses...
6251237 Electrolytic pot for production of aluminum using the Hall-Heroult process comprising cooling means  
An electrolytic pot for the production of aluminum by the Hall-Heroult electrolysis process includes a cooling device for blowing air with localized jets, advantageously with variable flow, in...
6245201 Aluminum smelting pot-cell  
The aluminum smelting from alumina in the Hall-Heroult cells can be dramatically improved by using one or a combination of the following features together or in alternative to the Bayer alumina as...
6139704 Application of refractory borides to protect carbon-containing components of aluminum production cells  
Carbon-containing components of cells for the production of aluminium by the electrolysis of alumina dissolved in a cryolite-based molten electrolyte are protected from attack by liquid and/or...
6103091 Production of bodies of refractory borides for use in aluminum electrowinning cells  
A method of producing a self-sustaining body of refractory boride from the group consisting of the borides of titanium, chromium, vanadium, zirconium, hafnium, niobium, tantalum, molybdenum and...
5961811 Potlining to enhance cell performance in aluminum production  
Disclosed is an improved carbonaceous material suitable for use as a cathode in an aluminum producing electrolytic cell, the cell using an electrolyte comprised of sodium containing compounds. The...
5851677 Coating composition for carbon-containing products and said coating  
Composition for a coating protecting the surfaces of carbon-containing products exposed to a hot, oxidizing environment such as the parts of anodes not immersed in the molten salt bath and the...
5679224 Treated carbon or carbon-based cathodic components of aluminum production cells  
Carbon or carbon-based cathodes and cell bottoms of electrolytic cells for the production of aluminium in particular by the electrolysis of alumina in a molten halide electrolyte such as cryolite,...
5578174 Conditioning of cell components for aluminum production  
Components of electrolytic cells for the production of aluminum in particular by the electrolysis of alumina in a molten fluoride electrolyte, made of carbon or other microporous material which...
5538604 Suppression of cyanide formation in electrolytic cell lining  
Disclosed is an improved carbonaceous material suitable for use as a liner in an aluminum producing electrolytic cell, the cell using an electrolyte comprised of sodium containing compounds and the...
5507933 Carbon masses for use in aluminium production cells and process  
A cell component for use in particular as anodes, cathodes and cell linings of cells for the electrolysis of alumina for the production of aluminum, comprising a solidified carbon containing paste...
5429722 Magnesium electrolysis cell, lining therefor, and method  
A magnesium electrolysis cell having a refractory lining comprising at least one glass-ceramic shape, the lining itself, and the method of increasing the service life of the refractory lining of a...
5413689 Carbon containing body or mass useful as cell component  
A carbon containing paste for use in particular as components of electrolytic cells as such or compacted to form anodes, cathodes and cell linings of cells for the electrolysis of alumina for the...
5378338 Superstructure for a very high power electrolysis cell for the production of aluminum  
Superstructure for a very high power electrolysis cell for the production of aluminum using the Hall-Heroult process. The cell being formed of a heat-insulated metal casing of elongated...
5336378 Method and apparatus for producing a high-purity titanium  
A sputtering target for forming a thin film consisting of high-purity titanium, in which the content of alkali metal is 0.1 ppm or less, the content of radio active elements is 1 ppb or less, and...
5314599 Barrier layer against fluoride diffusion in linings of aluminum reduction cells  
A barrier layer for prevention of solid fluorides penetration, e.g. NaF, from the interior of an aluminum production cell holding a fluoride-containing melt into a refractory layer intended to...
5286353 Electrolysis cell and method for the extraction of aluminum  
The present invention relates to a new electrolysis cell for the fusion electrolytic extraction of aluminum wherein the anode blocks are connected to one another using a compressed granulate...
5284562 Non-consumable anode and lining for aluminum electrolytic reduction cell  
An oxidation resistant, non-consumable anode, for use in the electrolytic reduction of alumina to aluminum, has a composition comprising copper, nickel and iron. The anode is part of an...
5254232 Apparatus for the electrolytic production of metals  
Improved electrolytic cells for producing metals by the electrolytic reduction of a compound dissolved in a molten electrolyte are disclosed. In the improved cells, at least one electrode includes...
5225051 Electrowinning process with electrode compartment to avoid contamination of electrolyte  
An electrolytic process and apparatus for reducing calcium oxide in a molten electrolyte of CaCl2 -CaF2 with a graphite anode in which particles or other contamination from the anode is restricted...
5203971 Composite cell bottom for aluminum electrowinning  
A cell for the electrowinning of aluminum from molten salts has a cell bottom lining consisting partly of a refractory mass (4 ) and partly of carbon bodies (5). At least 30% and preferably 50% or...
5167787 Linings for aluminum reduction cells  
The amount of electrically conductive material in the bottom floor lining of a conventional aluminum reduction cell is reduced by using a non-conductive lining material in its place. The...
5149412 Electrolysis cell and refractory material therefor  
Aluminum electrolysis cell having a refractory lining, said lining being produced by calcining red mud obtained as a byproduct of the Bayer process of producing alumina, grinding the calcined...
5108572 Electrolytic furnace  
An electrolytic furnace comprises refractory concrete elements (1) which are loosely mounted on rails (6) arranged in a tank (6) and which support carbon elements (2) and metal bars (3). The...
5009752 Process and apparatus for recovery of fissionable materials from spent reactor fuel by anodic dissolution  
An electrochemical process and apparatus for the recovery of uranium and plutonium from spent metal clad fuel pins is disclosed. The process uses secondary reactions between U+4 cations and...
5006209 Electrolytic reduction of alumina  
Finely divided particles of alumina are electrolytically reduced to aluminum in an electrolytic reduction vessel having a plurality of vertically disposed, non-consumable anodes and a plurality of...
4999097 Apparatus and method for the electrolytic production of metals  
Improved electrolytic cells and methods for producing metals by electrolytic reduction of a compound dissolved in a molten electrolyte are disclosed. In the improved cells and methods, a protective...
4976841 Busbar arrangement for aluminum electrolytic cells  
Busbar arrangements for aluminum electrolytic cells. In a first aspect, the invention provides at least one generally horizontal collector busbar on each side of the cell and a number of current...
4973390 Process and apparatus for producing lithium from aluminum-lithium alloy scrap in a three-layered lithium transport cell  
The present invention provides an apparatus for producing lithium from an aluminum-lithium alloy scrap comprising (a) a dryer for removing moisture from solid aluminum-lithium alloy; (b) a...
4915874 Cement for collector bar-carbon block joints of electrolytic cells  
A cement for collector bar-carbon block joints of electrolytic cells, particularly for cells used for the production of aluminum. The cement comprises an aggregate of calcined anthracite or an...
4737254 Linings for aluminium reduction cells  
A lining to support the liquid contents of an aluminium electrolytic reduction cell includes an upper layer which is penetrated by electrolyte during operation of the cell, consisting essentially...
Matches 1 - 50 out of 173 1 2 3 4 >