|| List of recent Electrolytic Cell-related patents
| Electrolytic cell with advanced oxidation process and electro catalytic paddle electrode|
Electrolytically treating water through influent inlet arrangements for cavitation and one or more pairs of electrodes. The electrodes can provide continuous anodic and cathodic operation for treating water.
Global Water Holding, Llc
|Gas permeable electrode and manufacture|
A gas permeable or breathable electrode and method of manufacture thereof. In one example there is an electrolytic cell having an electrode comprising a porous material, wherein gas produced at the electrode diffuses out of the cell via the porous material.
|Electrolysis tank used for aluminum electrolysis and electrolysis process using the electrolyzer|
An electrolytic cell for aluminum electrolysis includes a cell body, in which an anode and a cathode are arranged inside the cell body, the cell body is filled with an electrolyte, and at least a part of the anode is immersed in the electrolyte; the anode is arranged above the cell body, the cathode is arranged at the bottom of the electrolytic cell and is covered by aluminum liquid, the electrolyte is located between the anode and the cathode and covers the aluminum liquid; and an insulating layer is arranged on the inner sidewall of the cell body for isolating oxygen or the electrolyte from a carbon block. The anode contains fe and cu as primary components; and the electrolyte is composed of 30-38 wt % of naf, 49-60 wt % of alf3, 1-5 wt % of lif, 1-6 wt % of kf and 3-6 wt % of al2o3, and the molar ratio of naf to alf3 is 1.0-1.52..
Inner Mongolia United Industrial Co., Ltd.
|Elastic cushion material and ion exchange membrane electrolytic cell utilizing same|
Provided are an elastic cushion member and an ion exchange membrane electrolyzer using the same, which elastic cushion member can be installed even in an ion exchange membrane electrolyzer having such a small gap between an electrode and an electrode current collecting plate that a conventional elastic cushion member cannot be arranged therein. An elastic cushion member (10) has a pair of corrosion-resistant metal thin plates (11) arranged at a distance in parallel fashion and a fixing member (12) which fixes the pair of corrosion-resistant metal thin plates (11) and comprises a metal elastic body (13) wound between the pair of corrosion-resistant metal thin plates (11).
Chlorine Engineers Corp., Ltd.
|Electrochemical machining apparatus|
An electrochemical machining apparatus includes a fastening bracket, a first drive member positioned on the fastening bracket, a connecting member, a first electrode connected to the connecting member, a second driving member, a second electrode connected to the second driving member, a moving assembly positioned on the fastening bracket, an electrolytic cell positioned on moving assembly, a pump, and a vacuum pump. The first electrode defines a plurality of liquid collecting grooves spaced from each other.
Hon Hai Precision Industry Co., Ltd.
This preheating connector for electrically connecting an anode stern to an anode frame of an electrolytic cell during the warm-up phase of the electrolytic cell, includes means of fixing to the anode frame, and bearing means designed to exert pressure on the anode stem in order to keep it pressed up against the anode frame, the fixing means and bearing means being configured and arranged so as to add on the preheating connector onto a so-called permanent connector for electrical and mechanical connection of the anode stem to the anode frame during the continuous operating mode of the cell.. .
Rio Tinto Alcan International Limited
An apparatus for producing a combustible gas for use in enhancing or supplementing a fuel supply of an internal combustion engine comprising an electrolytic cell defining a first electrolyte flow path from an upper chamber to a lower chamber and a second electrolysis gas flow path from the lower chamber to a gas trap disposed in the upper chamber. The gas trap arranged to be in fluid communication with an internal combustion engine intake manifold for supplying combustible electrolytic gases produced in the electrolytic cell apparatus to the fuel supply.
|Electrocomposite coatings for hard chrome replacement|
The invention provides a method and system for electrolytically coating an article. The method includes providing an article to be coated and disposing the article in an electrolytic cell.
|Electrochemical cell for aluminum production using carbon monoxide|
The present technology discloses a method for producing aluminum from alumina in an electrolytic cell through the use of carbon monoxide as a partial or total reactant with aluminum oxide. The present technology also discloses the structure of an electrolytic cell configured to house this reaction..
|Process for recovering alkali metals and sulfur from alkali metal sulfides and polysulfides|
Alkali metals and sulfur may be recovered from an oil desulfurization process which utilized alkali metal in an electrolytic process that utilizes an electrolytic cell having an alkali ion conductive membrane. An anolyte solution includes an alkali monosulfide, an alkali polysulfide, or a mixture thereof and a solvent that dissolves elemental sulfur.
Electrolytic cell with catholyte recycle
An improved electrolytic cell, its method and system is disclosed. The electrolytic cell (12) is configured, at least in one design, to recycle the catholyte to increase chlorine capture and concentration in the output solution.
Ecolab Usa Inc.
Electrolytic cell with advanced oxidation process
An apparatus and method for electrolytically treating water which can include the influent inlet arrangements for cavitation and one or more pairs of electrodes. The electrodes can be suitable for a continuous anodic and cathodic operation for treating water.
Electrochemical device comprising a proton-conducting ceramic electrolyte
The invention relates to the use of a ceramic of formula ba2(1-x)m2xin2(1-y)m′2yo4+δ(oh)δ′ where m represents at least one metal cation with an oxidation number ii or iii or a combination thereof, m′ represents at least one metal cation with an oxidation number iii, iv, v or vi or a combination thereof, 0≦x≦1, 0≦y≦1, δ≦2 and 0<δ′≦2, as solid proton-conducting electrolyte in an electrochemical device, in particular a fuel cell, an electrolytic cell, a membrane separating hydrogen from a gas mixture, or also a hydrogen detector, at an operating temperature of said electrochemical device preferably comprised between 200° c. And 600° c..
Centre National De La Recherche Scientifique - Cnrs -
Anode and operating an electrolysis cell
The invention relates to an anode for electrowinning process in an electrolytic cell, and the method of operation thereof, having cell walls and a cell bottom for holding an electrolyte and electrolyte feeding means, which anode comprises a hanger bar for supporting the anode, a conducting rod for distributing the current, an anode body having at least partly conductive structure. The anode body allows electrolyte penetration and is at least partly covered by electrocatalytic coating, when in connection with the anode there is arranged a non-conductive element, which is restricted to the conductive structure of the anode body, at least from its one side, and which non-conductive element is arranged at a distance a from the electrolyte surface level, when the non-conductive element provides a means for attaching the anode to the cell..
Outotec (finland) Oy
Methods and sensing the internal temperature of an electrochemical device
The internal temperature of an electrochemical device may be probed without a thermocouple, infrared detector, or other auxiliary device to measure temperature. Some methods include exciting an electrochemical device with a driving profile; acquiring voltage and current data from the electrochemical device, in response to the driving profile; calculating an impulse response from the current and voltage data; calculating an impedance spectrum of the electrochemical device from the impulse response; calculating a state-of-charge of the electrochemical device; and then estimating internal temperature of the electrochemical device based on a temperature-impedance-state-of-charge relationship.
Hrl Laboratories, Llc
Benzodithiophene derivatives and their use as photoluminescent compounds
Compound comprising a benzoetherodiazole group of formula (i) and at least one benzodithiophene group or a mixture of compounds comprising a benzoetherodiazole group and at least one benzodithiophene group of formulae (ii) and (iii). Both said compound and said mixture of compounds can be advantageously used as spectrum converters in luminescent solar concentrators (lscs), capable, in their turn, of enhancing the performances of solar devices (i.e.
Etching of plastic using acidic solutions containing trivalent manganese
A method of preparing a solution capable of etching a platable plastic. The method comprises the steps of: (a) providing an electrolyte comprising a solution of manganese(ii) in a solution of 9 to 15 molar sulfuric acid or phosphoric acid to an electrolytic cell; (b) applying a current to the electrolytic cell, wherein the electrolytic cell comprises an anode and a cathode; and (c) oxidizing the electrolyte to form manganese(iii) ions, wherein the manganese(iii) ions form a metastable sulfate complex.
Electrolytic cell for heating electrolyte by a glow plasma field in the electrolyte
An electrolytic cell for the generation of a plasma field in an electrolyte that heats the electrolyte forms part of a closed-loop heat transfer device, the electrolytic cell fluidly connected to a heat exchanger. A plasma electrode and a second electrode form part of the flow path of electrolyte from the tank to the heat exchanger.
Production of fuel from chemicals derived from biomass
Hydrocarbons may be formed from six carbon sugars. This process involves obtaining a quantity of a hexose sugar.
Method for producing aluminum film and producing aluminum foil
A method for producing an aluminum film by electrodepositing aluminum on a base in an electrolytic cell to which a liquid electrolyte containing a molten salt is fed includes adjusting a concentration of an additive in such a manner that a measured value of an overvoltage is within a predetermined range on the basis of a predetermined relationship between the overvoltage and the concentration of the additive added to the molten salt upon electrodepositing aluminum in the liquid electrolyte.. .
Production of fuel from chemicals derived from biomass
Hydrocarbons may be formed from six carbon sugars. This process involves obtaining a quantity of a hexose sugar.
Mini cleaning appliance for cleaning two-phase or three-phase aerosol flows generated in an electrolytic cell for producing metals
One embodiment of the present disclosure includes enclosing the upper area of the anodes using a fabric sleeve, open at its upper and lower ends, located inside unitary bells with side holes that face the holes of perforated extraction ducts located on both sides of the cell, in an anode and cathode support structure, which are connected to the normal extraction system of the production bay, thus preventing the aerosols from reaching the environment.. .
Device and cleaning dental appliances
A device for cleaning a dental appliance is disclosed. The device includes a holding container including an upper portion and a lower portion, the holding container adapted to receive at least one dental appliance; an electrolytic cell for generating chlorine dioxide from a chlorine dioxide precursor; and an electrical current supply including a circuit operably connecting the electrical current supply to the electrolytic cell..
Nano silicon-carbon composite material and preparation method thereof
The invention relates to a nano silicon-carbon composite negative material for lithium ion batteries and a preparation method thereof. A porous electrode composed of silica and carbon is taken as a raw material, and a nano silicon-carbon composite material of carbon-loaded nano silicon is formed by a molten salt electrolysis method in a manner of silica in-situ electrochemical reduction.
Method for extending the shelf life of liquid comestibles
The shelf life of a comestible liquid is prolonged by passing the liquid through an electrolytic cell. Electric current travels from one electrode to the other through the liquid.
System and treating a saline feed stream to an electro-chlorination unit
A system to reduce scaling within or downstream of an electrolytic cell includes sulfate removal membranes located upstream of one or more electrolytic cells which are arranged to receive a permeate feed stream from the sulfate removal membranes. The membranes can be nanofiltration membranes.
Process and device for improving the capture of so2 in electrolytic cell gases
A method and device for capturing so2 present in gases originating from cells for the industrial production of aluminum by igneous electrolysis, implemented over a group of at least two reactors passed through in parallel by a gas stream and supplied with a powdered sorption agent capable of adsorbing effluents present in the gas stream by placing the sorption agent in contact with the gas stream, each reactor having collection elements for collecting the sorption agent after contact with the gas stream, at least one of the reactors having discharge elements for discharging the sorption agent after contact with the gas stream to injection elements for injecting into at least another one of the reactors; and desorbing elements located between the discharge elements and the injection elements, for desorbing the so2 adsorbed by the sorption agent before it reaches the discharge elements.. .
Electrochemical device for syngas and liquid fuels production
The invention relates to methods for creating high value liquid fuels such as gasoline, diesel, jet and alcohols using carbon dioxide and water as the starting raw materials and a system for using the same. These methods combine a novel solid oxide electrolytic cell (soec) for the efficient and clean conversion of carbon dioxide and water to hydrogen and carbon monoxide, uniquely integrated with a gas-to-liquid fuels producing method..
Titanium diboride granules as erosion protection for cathodes
The invention further relates to a method for producing these titanium diboride granules, the use thereof for covering graphite cathodes in electrolytic cells in al fused-salt electrolysis or for repairing holes in cathode bases of electrolytic cells and also a method for repairing holes in cathode bases of electrolytic cells.. .
Method for heating liquids and a device for its realization
The invention will be applied in industry and households. The method includes performance of an electrolysis process.
Systems and methods of protecting electrolysis cells
Broadly, the present disclosure relates to sidewall features (e.g. Inner sidewall or hot face) of an electrolysis cell, which protect the sidewall from the electrolytic bath while the cell is in operation (e.g.
Electrolytic cell having a transition duct outlet
An electrolytic cell is provided. The cell includes a housing having a liquid inlet and a liquid outlet outlet, an anode and a cathode positioned within the housing and defining a reaction chamber therebetween, and a liquid flow path, from the liquid inlet to the liquid outlet, which passes through the reaction chamber.
Method and system for electrolysis
A method and system for electrolysis. The system includes an electrolytic cell which has a front end and a back end.
High performance cathodes for water electrolysers
A cathode for hydrogen evolution in an electrolytic cell, comprising a metallic substrate, and a coating consisting of substantially pure ruthenium oxide, is disclosed. The inventive cathode provides enhanced performance and service life under unsteady and intermittent powering, such as powering from solar cells; a process for coating the metallic substrate is also disclosed..
The invention relates to a gas-diffusion electrode provided with a sintered and cast gas-diffusion layer having a high elastic modulus. The electrode is useful as hydrogen-consuming anode or oxygen-consuming cathode of depolarised electrolytic cells such as electrowinning, chlor-alkali or electrodialysis cells..
Method for operating an electrolytic cell
A method for operating an electrolytic cell for electrolytic water splitting in which at least one membrane is supplied with water in a passive manner.. .
Membrane-electrode assembly, electrolytic cell employing the same, electrolytic-water sprayer, and sterilization
The present invention provides a membrane-electrode assembly which includes: at least one rod-form or tubular electrode; a tubular diaphragm disposed around the periphery of the electrode; and a wire-form counter electrode disposed around the periphery of the diaphragm, the diaphragm being fixed to the rod-form or tubular electrode with the wire-form counter electrode to thereby form an electrode chamber having a gas/liquid passage between the diaphragm and the rod-form or tubular electrode.. .
Electrolyzing cell for generating hydrogen and oxygen and use
An electrolytic cell used to electrolyze water and produce hydrogen and oxygen. The cell comprises nonconductive dividers, sandwiching neutral electrodes and designed for rapid flow of electrolyte through the cell to limit voltage loss.
Device for manufacturing sodium hypochlorite or hypochlorous acid and water treatment system in general
This disclosure includes a device for producing sodium hypochlorite or hypochlorous acid for water treatment, the device including: a cylinder for storing salt in solid form, adapted for being fed directly via a pressurized water pipe, and including one or more tubes that form one or more electrolytic chambers; one or more electrolytic cells received in the electrolytic chambers; the tubes of the cylinders being perforated to allow the contacting of the electrolytic cells with the salt-saturated water while preventing the electrolytic cells from being short-circuited by the solid salt. This produces sodium hypochlorite or hypochlorous acid from salt-saturated water in a cylinder, connected directly to the pipe of the water to be treated without the latter being loaded with salt..
Electrolysis water-making apparatus
The electrolysis water-making apparatus (a) which is an apparatus for making electrolysis water (w5) by electrolyzing a raw material solution (w1, w3) including a chlorine ion includes: an electrolytic cell (2); a raw material solution feed pump (3) used to supply the raw material solution (w1, w3) to the electrolytic cell (2); and a pipe (32, 36) connecting an outlet (3b) of the raw material solution feed pump (3) allowing the raw material solution (w1, w3) to be discharged therefrom and an inlet (26) allowing the raw material solution (w1, w3) to flow into the electrolytic cell (2). In addition, the raw material solution feed pump (3) is provided so that the outlet (3b) is disposed on a lower side of the inlet (26)..
Permanent system for continuous detection of current distribution in interconnected electrolytic cells
The invention relates to a current collecting bus-bar comprising electrode housings for accommodating a multiplicity of electrodes in electrical contact therewith. Probes for measuring the electric potential locally established in correspondence of the electrical contacts during the passage of electric current are also connected to the bus-bar.
Electrolyser and assembly comprising same, in particular for the production of h2 and o2
The present invention relates to an electrolyser for the production of at least one chemical substance, such as hydrogen, oxygen, chlorine or hypochlorous acid, or sodium hydroxide, by electrolysis of pure water or of water containing at least one salt, base and/or acid such as nacl, h2so4, koh or naoh, comprising a stack of at least a first and a second consecutive electrolytic cells, each electrolytic cell (10) comprising; —an anode, —a cathode, —an ion exchange membrane (11) positioned between the anode and the cathode, the ion exchange membrane (11) of the first electrolytic cell and of the second electrolytic cell being separated by a bipolar electrode (15) constituting on the one hand, the anode of the first electrolytic cell and, on the other hand, the cathode of the second electrolytic cell.. .
Alkali metal intercalation material as an electrode in an electrolytic cell
The present invention provides an electrochemical cell that includes an anolyte compartment housing an anode electrode; a catholyte compartment housing a cathode electrode; and a solid alkali ion conductive electrolyte membrane separating the anolyte compartment from the cathode compartment. In some cases, the electrolyte membrane is selected from a sodium ion conductive electrolyte membrane and a lithium ion conductive membrane.
Process for recovering alkali metals and sulfur from alkali metal sulfides and polysulfides
Alkali metals and sulfur may be recovered from alkali monosulfide and polysulfides in an electrolytic process that utilizes an electrolytic cell having an alkali ion conductive membrane. An anolyte solution includes an alkali monosulfide, an alkali polysulfide, or a mixture thereof and a solvent that dissolves elemental sulfur.
Electrolysis water-making apparatus
The electrolysis water-making apparatus (a) includes: an electrolytic cell (2); a raw material solution feed pump (3) used to supply the raw material solution (w1, w3) to the electrolytic cell (2); a raw material solution pipe (32, 36) connecting an outlet (3b) of the raw material solution feed pump (3) and an inlet (26) of the electrolytic cell (2); and an electrolyzed solution advection-deterring portion (40) formed in the raw material solution pipe (32, 36) between the outlet (3b) and the inlet (26). The raw material solution feed pump (3) is provided so that the outlet (3b) is disposed on an upper side of the inlet (26).
Contact bar with multiple support surfaces and insulating capping board
The present invention related to a contact bar or contact bar segment, a contact bar and insulating capping board assembly and a method for operating an electrolytic cell including electrodes for refining metal. Embodiments of the contact bar include support sections with multiple support surfaces for lying against the insulating capping board, thereby distributing weight of the electrodes hanging on the contact bar; and contact sections for receiving the electrodes while providing good electrical contact and precise positioning thereof.
Efficient treatment of wastewater using electrochemical cell
An efficient method and system for the electrochemical treatment of waste water comprising organic and/or inorganic pollutants is disclosed. The system comprises an electrolytic cell comprising a solid polymer, proton exchange membrane electrolyte operating without catholyte or other supporting electrolyte.
Method of producing coupled radical products via desulfoxylation
A method that produces coupled radical products. The method involves obtaining a sodium salt of a sulfonic acid (r—so3—na).
Decarboxylation of levulinic acid to ketone solvents
Ketones, specifically methyl ethyl ketone (“mek”) and octanedione, may be formed from six carbon sugars. This process involves obtaining a quantity of a six carbon sugar and then reacting the sugar to form levulinic acid and formic acid.
Process for generating oxygenated water
A method for increasing the quantity of dissolved oxygen in water includes addition of an oxidant to the water to increase the oxidation-reduction potential (orp) of the water to between about 400 and 850 mv, followed by electrolysis to generate oxygen gas. The voltage applied to the electrolytic cells during electrolysis is less than 300 mv.
Electrolytic cells and methods for the production of ammonia and hydrogen
A method using an electrolytic cell to electrolyze urea to produce at least one of h2 and nh3 is described. An electrolytic cell having a cathode with a first conducting component, an anode with a second conducting component, urea and an alkaline electrolyte composition in electrical communication with the anode and the cathode is used to electrolyze urea.
Apparatus for controlling an electrolytic cell in a water purification system
A system comprises a water purification system having an electrolytic cell to receive a flow of waste water. A power source supplies power to the electrolytic cell.
Method of producing coupled radical products from biomass
A method that produces coupled radical products from biomass. The method involves obtaining a lipid or carboxylic acid material from the biomass.
Electroylytic reduction of carbon capture solutions
Disclosed herein is a system comprising an absorber; the absorber being operative to extract carbon dioxide from a flue gas stream to form a carbon capture solution that is rich in carbon dioxide; and an electrolytic cell disposed downstream of the absorber; where the electrolytic cell is operative to reduce carbon dioxide present in the carbon capture solution. Disclosed herein too is a method comprising discharging a flue gas stream from a flue gas generator to an absorber; contacting the flue gas stream with a carbon capture solution; extracting carbon dioxide from the flue gas stream to form a carbon dioxide rich carbon capture solution; discharging the carbon dioxide rich carbon capture solution to an electrolytic cell; and reducing the carbon dioxide to a hydrocarbon in the electrolytic cell..
Aluminum smelter comprising electrical conductors made from a superconducting material
Characterized in that the electrical conductor made of superconducting material in the secondary electrical circuit runs along the row or rows of electrolytic cells at least twice in such a way as to make several turns in series.. .
Aluminum smelter including cells with cathode output at the bottom of the pot shell and cell stabilizing means
Aluminum smelter comprising: (i) a series of electrolytic cells, comprising an anode, a cathode and a pot shell equipped with a side wall and a bottom, each cathode including at least one cathode output, (ii) a main electric circuit through which an electrolysis current passes, including an electrical conductor connected to each cathode output of a cell n, and to the anode of a cell n+1, and (iii) a means to stabilize the electrolytic cells. At least one of the cathode outputs of the cathode of n passes through the bottom of the pot shell, and during the operation of n and n+1, the electrolysis current passes, in an upstream-downstream direction only, through each electrical conductor extending from each cathode output of n in the direction of n+1..
Undivided electrolytic cell and use of the same
The invention relates to a method for producing an ammonium peroxydisulfate or alkali metal peroxydisulfate, to an undivided electrolytic cell which is composed of individual components, and to an electrolytic device composed of a plurality of said electrolytic cells.. .
Three electrode electrolytic cell and making hypochlorous acid
A method and apparatus are provided for electrolyzing a source liquid in an electrolytic device. The electrolytic device includes a first cathode in a cathode chamber; and an anode and a second, auxiliary cathode in an anode chamber.
Non-cyanide base electro chemical polishing
A system used in polishing the metal includes a base assembly and an electrolytic cell assembly. The base assembly has a support stand which is mounted on to a connecting element.
Anodes for the electrolytic production of nitrogen trifluoride and fluorine
A process and an anode for the production of nitrogen trifluoride or fluorine where the anode in the electrolytic cell is made primarily from parallel ordered anisotropic carbon, including needle coke and/or mesocarbon microbeads. The parallel ordered anisotropic carbon anodes minimize the production of cf4 and improve the purity of the nitrogen trifluoride or fluorine gas produced.
Anodes for the electrolytic production of nitrogen trifluoride and fluorine
A process and an anode for the production of nitrogen trifluoride or fluorine where the anode in the electrolytic cell is made primarily from mesocarbon microbeads. The mesocarbon microbead anodes minimize the production of cf4 and improve the purity of the nitrogen trifluoride or fluorine gas produced.
Hybrid metal oxide cycle water splitting
Hybrid thermochemical water splitting cycles are provided in which thermally reduced metal oxides particles are used to displace some but not all of the electrical requirements in a water splitting electrolytic cell. In these hybrid cycles, the thermal reduction temperature is significantly reduced compared to two-step metal-oxide thermochemical cycles in which only thermal energy is required to produce hydrogen from water.
Plasma electrolytic cell
Electrolytic devices, including electrolytic cells, are described, that can be used in various segments of technology for the production of hydrogen and oxygen by electrolysis of water electrolytes. In one embodiment, a plasma electrolytic cell is provided, comprising an anode and a cathode located in dielectric containers interconnected via a pipe in their bottom portions, wherein the spiral shaped cathode is made from electrically insulated copper wire and the electric insulation has local breaks, wherein the anode is planar, the cathode and anode containers have covers with embedded gas pressure adjustment valves, wherein the top portions of the containers are connected to gas offtake devices, and wherein the cathode and anode containers allow adding more electrolyte..
Transformerless on-site generation
Methods and apparatuses for electrolysis that does not require the use of a transformer to operate. The apparatus comprises one or more electrolytic cells which comprise the number of intermediate electrodes sufficient to enable the cell or cells to operate at the rectified line voltage without any need for voltage regulation, or near the rectified line voltage with only some voltage regulation, such as less than 20% of the rectified line voltage.
Apparatus and electrochemical modification of liquids
An apparatus for electrochemical modification of liquid streams employing an electrolytic cell which includes an anode compartment defined by an anode structure where oxidation is effected, containing a liquid electrolyte anolyte, and a cathode compartment defined by a cathode structure where reduction is effected containing a liquid electrolyte catholyte. In addition, the electrolytic cell includes at least one additional compartment arranged at least partially between the anode compartment and the cathode compartment and separated from the anode compartment and the cathode compartment by a separator structure arranged to supports ionic conduction of current between the anode structure and the cathode structure..
Electrorecovery of gold and silver from leaching solutions by simultaneous cathodic and anodic deposits
This relates to mining and mineral or materials treatment industries that deal with gold and silver. Specifically, it is related to the process to recover gold and silver from thiosulfate or thiourea solutions, with an electrolysis that occurs simultaneously on both the anode and cathode.
Dry cell start-up of an electrolytic cell for aluminum production
A method for starting up an electrolytic cell (20) for aluminum production having a cathode block (26) with an upper surface (32), the method comprising: disposing contact resistance material (46) over the upper surface (32) of the cathode block (26); lowering a plurality of anodes (28) to abut the contact resistance material (46); filling the electrolytic cell (20) and covering the anodes (28) with solid electrolyte material (72) comprising crushed electrolytic bath material, cryolite, or mixtures thereof; delivering electrical current to the anodes (28) to at least partially melt the solid electrolyte material (72) and raising the anodes (28) when a predetermined depth of molten electrolyte material has been reached.. .