Class 205/375 - Utilizing specified distance between cathode and anode

Subclass of Class 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
Definition: Subject matter wherein a specified distance between the
No. of patents: 28
Last issue date: 02/28/2012

Number	Title	Issue Date
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 aluminium layer; allowing the aluminium layer and an electrolyte bath...	02/28/2012
7378009	Method of controlling an aluminum cell with variable alumina dissolution rate A method of controlling an aluminum reduction cell including the following steps: maintaining alumina concentration within preset limits by alternating base, underfeed and overfeed modes; measuring cell voltage and potline amperage...	05/27/2008
7214296	Anodic structure for mercury cathode electrolytic cells description of the invention Object of the invention is an anodic structure for mercury cathode cells for the industrial electrolysis of sodium chloride. The new structure is constituted by a grid array comprising a multiplicity of vertically disposed and mutually parallel titanium blades, cove...	05/08/2007
7144483	Method and an electrowinning cell for production of metal The present invention relates to a method for production of molten aluminium by electrolysis of an aluminous ore, preferably alumina, in a molten salt mixture, preferably a sodium fluoride—aluminium fluoride-based electrolyte. The invention describes an electrolys...	12/05/2006
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 less than 900° C. having alumina dissolved therein in an electrolytic c...	07/18/2006
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 less than 900° C. having alumina dissolved therein in an ele...	05/06/2003
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 substantially parallel to a facing cathode (20, 21, 22). Such metallic...	04/01/2003
6402927	Distribution of alumina-rich electrolyte in aluminum electrowinning cells The invention relates to a method of producing aluminum in an electrolytic cell, particularly in a drained cell, such cell comprising a cathode (20) and facing anodes (10), each anode (10) being spaced apart in its operative position from the cathode (20)...	06/11/2002
6306279	Anode cathode distance adjustment device A device for adjusting the distance between the anode and the cathode of an electrolytic cell having a compartment, at least one anode partially disposed in a molten metal producing salt bath and a layer of molten metal above a cathode. The device include...	10/23/2001
6083362	Dimensionally stable anode for electrolysis, method for maintaining dimensions of anode during electrolysis A dimensionally stable electrode is provided comprising a hollow substrate with an open upper end for confining a fluid containing a metal, a film covering portions of the external surface; and a mechanism for replenishing the film. Also provided is a met...	07/04/2000
6033550	Process for controlling the alumina content of the bath in electrolysis cells for aluminum production A process for control of the alumina content of the bath in a cell for production of aluminum by electrolysis of alumina dissolved in a molten cryolite-base salt, consisting of alternation of phases of alumina underfeeding and phases of alumina overfeedin...	03/07/2000
5415742	Process and apparatus for low temperature electrolysis of oxides A process for electrowinning metal in a low temperature melt is disclosed. The process utilizes an inert anode for the production of metal such as aluminum using low surface area anodes at high current densities....	05/16/1995
5368702	Electrode assemblies and mutimonopolar cells for aluminium electrowinning A multimonopolar cell for electrowinning aluminium by the electrolysis of alumina dissolved in a molten salt electrolyte, comprises electrode assemblies each having a non-consumable anode and a non-consumable cathode both resistant to attack by the electr...	11/29/1994
5362366	Anode-cathode arrangement for aluminum production cells A novel anode-cathode arrangement for the electrowinning of aluminum from alumina dissolved in molten sales, consisting of an anode-cathode double-polar electrode assembly unit or a continuous double polar assembly in which the anode and cathode are bound...	11/08/1994
4865701	Electrolytic reduction of alumina Alumina is reduced to molten aluminum in an electrolytic cell containing a molten electrolyte bath composed of halide salts and having a density less than alumina and aluminum and a melting point less than aluminum. The cell comprises a plurality of verti...	09/12/1989
4670110	Process for the electrolytic deposition of aluminum using a composite anode A process for the electrolytic deposition of aluminum at low temperatures and low electrical potential in which the anode is the sole source of aluminum and comprises a composite mixture of an aluminous material such as aluminum oxide and a reducing agent...	06/02/1987
4664760	Electrolytic cell and method of electrolysis using supported electrodes Disclosed are electrolytic cell and method in which first and second electrodes are adapted to pass a current through an inter-electrode zone of specified dimension for containing electrolyte, wherein the first electrode is held free from support by inter...	05/12/1987
4602990	Low energy aluminum reduction cell with induced bath flow In an electrolytic cell for the production of aluminum from alumina, having an anode-to-cathode gap of from 1 to 5 cm, the flow of electrolyte through the interelectrode gap is induced by positioning the cathode at an inclination of from about 2 to about ...	07/29/1986
4596637	Apparatus and method for electrolysis and float An electrolytic cell is disclosed including means for holding a first electrode in position relative to a second electrode to form an inter-electrode zone of specified dimension for containing the electrolyte; the means for holding including float means a...	06/24/1986
4436598	Alumina reduction cell An improved alumina reduction cell is described in which the carbonaceous cathode includes refractory hard metal tiles projecting upwardly from the cell surface thereof, forming the true cathode surface, and inert refractory anode stops protecting the til...	03/13/1984
4405415	Electrolytic refining of molten metal In a process for refining Al or Mg a stream of relatively impure molten metal is passed along one face of a grille separator having interstices of the order of 0.1-1 cm in width. The interstices are filled with a molten salt electrolyte adapted to transpo...	09/20/1983
4392925	Electrode arrangement in a cell for manufacture of aluminum from molten salts The durability of oxide-ceramic anodes can be increased, if the aluminum surface which lies opposite the active anode surface and is in direct contact with the molten electrolyte, is smaller than the active anode surface. The separated aluminum is collect...	07/12/1983
4308113	Process for producing aluminum using graphite electrodes having reduced wear rates In the production of a metal such as aluminum by electrolysis of an electrolyte bath containing a compound of the metal dissolved therein to produce the metal at a graphite cathode surface, the wear rate of the graphite cathode surface is significantly re...	12/29/1981
4297180	Electrolytic production of metal A method for the electrolytic production of metal, including electrolyzing, between anodic and cathodic surface areas, a compound of the metal dissolved in a molten solvent, the electrolyzing being performed at a temperature such that the metal is formed ...	10/27/1981
4219391	Electrolytic production of metal A method for the electrolytic production of metal, including electrolyzing, between anodic and cathodic surface areas, a compound of the metal dissolved in a molten solvent, the electrolyzing being performed at a temperature such that the metal is formed ...	08/26/1980
4179346	Selective use of wettable and non-wettable graphite electrodes in electrolysis cells Metal such as aluminum is produced electrolytically from metal chlorides or other halides dissolved in a molten solvent bath of higher decomposition potential in a cell including one or more carbonaceous or graphite cathode surfaces spaced from opposed an...	12/18/1979
4179345	Controlled wettability graphite electrodes for selective use in electrolysis cells Metal such as aluminum is produced electrolytically from metal chlorides or other halides dissolved in a molten solvent bath of higher decomposition potential in a cell including one or more graphite cathode surfaces spaced from opposed anodes, particular...	12/18/1979
4071420	Electrolytic production of metal A method for the electrolytic production of metal, including electrolyzing, between anodic and cathodic surface areas, a compound of the metal dissolved in a molten solvent, the electrolyzing being performed at a temperature such that the metal is formed ...	01/31/1978

PatentStorm

Quotables

PatentStorm News

Class 205/375 - Utilizing specified distance between cathode and anode