|| List of recent Electrolytic Cell-related patents
|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 method of 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 method of 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 method for 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 method for 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.. .
|Electrolytic cell and method of use thereof|
In one embodiment of the present invention an electrolytic cell is provided comprising a containment vessel; a first electrode; a second electrode; a source of electrical current in electrical communication with the first electrode and the second electrode; an electrolyte in fluid communication with the first electrode and the second electrode; a gas, wherein the gas is formed during electrolysis at or near the first electrode; and a separator; wherein the separator includes an inclined surface to direct flow of the electrolyte and the gas due to a difference between density of the electrolyte and the combined density of the electrolyte and the gas such that the gas substantially flows in a direction distal to the second electrode.. .
|System and method of plating metal alloys by using galvanic technology|
The invention relates to a system and a method of plating metal alloys, as well as to the structures thus obtained. The system for plating metal alloys comprises an electrolytic cell containing an electrolytic solution (3) in which an anode (4,4a,4b), a cathode (5), and a plurality of metal components to be plated onto the cathode are immersed, the anode (4,4a,4b) and the cathode (5) being electrically connected to means (6) adapted to apply a potential difference between said anode (4,4a,4b) and said cathode (5).
|Augmenting cleaning chemicals|
Device, system and method for electrochemical generation of a liquid soap by electrolyzing a surfactant in an aqueous carrier in a cathode compartment of an electrolytic cell and electrolyzing an antimicrobial agent in an aqueous carrier in an anode compartment of the electrolytic cell with the compartments separated by a semipermeable membrane. Portions of the electrolyzed surfactant solution and portions of the electrolyzed antimicrobial solution are withdrawn from the cathode compartment and the anode compartment and combined to form the liquid soap.
|Systems and methods for preventing thermite reactions in electrolytic cells|
A method of monitoring an electrolytic cell including detecting information indicative of a thermite reaction, comparing the information indicative of a thermite reaction to a threshold, generating a thermite response signal according to the comparison, and reacting to the thermite response signal by adjusting the operation of the electrolytic cell.. .
|Electrolytic cell for generating chlorine in a pool|
Disclosed herein is an improved electrolytic cell. The cell includes at least one pair of electrodes, an anode and a cathode.
|Seal assemblies for cathode collector bars|
The cathode collector bar end portion extending through a window in a sidewall of an electrolytic cell for refining aluminum is snugly received in a central opening of a seal assembly. Such seal assembly maintains a hermetic seal preventing ingress of air through the sidewall window while permitting longitudinal (horizontal) movement of the collector bar and also movement in a vertical plane (side to side, or up and down, or diagonally) which can be caused by changing heat conditions inside the cell..
|Electrolysis device integrating rectifier|
An electrolysis device with a rectifier comprises: an electrolytic cell; a joint panel with a first surface joined to the electrolytic cell; an electrode module comprising a housing, a plurality of electrodes provided inside the housing, and an auxiliary panel joined to a second surface of the joint panel, the auxiliary panel having a first end installed in the electrolytic cell and a second end perpendicularly protruding from an external periphery of a second end of the housing; a rectifier module having a second side surface from which an electrode protrudes; an l-shaped panel joined to second surface of the joint panel and any side surface of the rectifier module; and a bus bar that connects the electrode of the electrode module to the electrode of the rectifier module.. .
|High carbon spent pot lining and methods of fueling a furnace with the same|
A method of creating and using a high-carbon spent pot lining (spl) as a fuel, including delining the high-carbon spent pot lining from an electrolytic cell and combusting the spl in a furnace.. .
|Electrolytic chlorinator control|
A control unit for a swimming pool electrolytic cell. The control unit includes a housing containing a logic module.
|Electrolytic cell having a laminated core of laminations which are stacked one on top of the other with recesses, and method for manufacturing and operating same|
An electrolytic cell, a method for manufacturing the cell, and a method of operating same. The electrolytic cell has at least two bipolar plates, at least one fluid inflow and outflow, as well as at least one laminated core arranged between the at least two bipolar plates.
|Inert electrodes with low voltage drop and methods of making the same|
An electrolytic cell anode, including an encasing conductive material configured to encase a dense conductive material and define the electrolytic cell anode, wherein the dense conductive material has an electrical conductivity greater than that of the encasing conductive material.. .
|Corrosion resistant current collector utilizing graphene film protective layer|
In general, in one aspect, a graphene film is used as a protective layer for current collectors in electrochemical energy conversion and storage devices. The graphene film inhibits passivation or corrosion of the underlying metals of the current collectors without adding additional weight or volume to the devices.
The present invention relates to an electrolytic cell, including: at least two electrodes, each electrode including: a first and a second surface; and a number of perforations arranged in a substantially uniform pattern; wherein the electrodes are positioned relative to each other such that: at least one surface of each electrode is opposed to a surface of the other electrode, and a gap is formed between the opposed surfaces of the electrodes; wherein the cell includes at least one electrically insulating layer positioned on the opposing surface of at least one electrode, the insulating layer including a number of perforations aligning with the perforations of the electrode on which it is positioned.. .
|Selective reductive electrowinning apparatus and method|
A method and electrochemical cell for recovery of metals is provided, where the electrochemical cell includes an anode disposed in an anodic chamber, a cathode disposed in a cathodic chamber, an ion-conducting separator disposed between the anode and the cathode to physically separate the anodic and cathodic chambers, a basic ph anolyte containing a sacrificial reductant disposed within the anodic chamber, an acidic ph catholyte containing metal ions disposed within the cathodic chamber, and an electrical connection between the anode and the cathode. The method includes applying a voltage or an electrical current to an electrolytic cell across the cathode and the anode and is sufficient to reduce the metal ions to form an elemental metal species at the cathode, and to oxidize the sacrificial reductant at the anode..
|Cover for electrolytic batteries|
Cover for electrolytic batteries, comprising a primary cover adapted to be fixed on a container of electrolytic cells and provided with a plurality of openings for filling with electrolyte for respective electrolytic cells of the container, the walls of the openings being crossed transversely by a common gas collection channel, the cover comprising at least one secondary cover which can be fixed on the upper face of the primary cover to cover the openings, the secondary cover comprising a plurality of caps, each one of the caps being provided with a radial expansion adapted to engage in a gas-tight manner on the wall of the respective opening between the common gas collection channel and the upper face of the primary cover, the caps being not accessible when the secondary cover is fixed on the upper face of the primary cover.. .
|Bipolar-electrode electrolytic cell|
The invention is a bipolar-electrode electrolytic cell (1) which includes a chassis (2), an electrode plate (3) and a plate-shape spacer (4) having a concavity (25) disposing the electrode plate (3), wherein an unit cell (c), which is formed by connecting a plurality of spacers (4) in which the electrode plate (3) is disposed on the concavity (25) so that one plate surface of the electrode plate (3) is directed to one direction, is disposed inside the chassis (2). The bipolar-electrode electrolytic cell (1) includes engaged portions (35, 50 and 51) which are provided on any one of the concavity (25) of the spacer (4) or the electrode plate (3) and engaging portions (10a and 10b) which are formed the other portion with respect to the one portion..
|Cover for electrolytic batteries with centralized degassing|
A cover for electrolytic batteries, comprising an upper face and a lower face and provided with a plurality of openings for filling with electrolyte for respective electrolytic cells of the container, each one of the openings being surrounded by a wall, the walls of the openings being crossed transversely by a common gas collection channel, which is connected to a seat for a frit, the seat of the frit being arranged on the upper face of the cover, laterally with respect to the common gas collection channel and on a plane which is comprised between the channel and the upper face of the cover.. .
|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.
|Dual absorber electrodes|
Dual absorber electrodes are disclosed. In some embodiments, a dual absorber electrode includes a first absorber material, such as silicon, having a first bandgap, and a second absorber material, such as hematite, deposited on a surface of the first absorber material, the second absorber material having a second bandgap larger than the first bandgap of the first absorber.
|Apparatus, method and system for rapid service, removal and replacement of an electrolytic cell|
An improved electrolytic cell, its method and system configured for simple and rapid troubleshooting, removal and replacement of the cell or a component of the cell during service and maintenance procedures is disclosed. The electrolytic cell (12) is includes a host manifold (27) housing a degassing chamber (125) and various flow paths for routing liquid and gases into and out of a guest device (33) and the host manifold (27).
|Apparatus and method of producing metal in a nasicon electrolytic cell|
A process of producing metal that includes adding a quantity of a alkoxide (m(or)x) or another metal salt to a cathode compartment of an electrolytic cell and electrolyzing the cell. This electrolyzing causes a quantity of alkali metal ions to migrate into the cathode compartment and react with the metal alkoxide, thereby producing metal and an alkali metal alkoxide.
|Electrolytic cell, method for enhancing electrolytic cell performance, and hydrogen fueling system|
An electrolytic cell includes a positive electrode disposed in an electrolytic compartment, a negative electrode disposed in another electrolytic compartment, and a cell membrane positioned between the electrolytic compartment and the other electrolytic compartment. An electrolyte solution is disposed inside the electrolytic compartment and inside the other electrolytic compartment.
|Electrode for electrolysis, electrolytic cell and production method for electrode for electrolysis|
An electrode for electrolysis includes a conductive substrate, a first layer formed on the conductive substrate, and a second layer formed on the first layer. The first layer contains at least one oxide selected from the group consisting of ruthenium oxide, iridium oxide, and titanium oxide.
|Device and a method of cleaning an effluent gas from an aluminium production electrolytic cell|
A gas cleaning unit for cleaning an effluent gas of at least one aluminium production electrolytic cell comprises a contact reactor in which the effluent gas is brought into contact with alumina, and a dust removal device for removing at least a portion of the alumina. The gas cleaning unit further comprises a wet scrubber in which the effluent gas is brought into contact with an absorption liquid containing water for removing further pollutants from the effluent gas.
|Method for manufacturing heat dissipation device|
An exemplary method for manufacturing a heat dissipation device includes the following steps. First, providing fins spaced from each other.
|Method and apparatus for a photocatalytic and electrocatalytic copolymer|
A method and apparatus for a photocatalytic and electrolytic catalyst includes in various aspects one or more catalysts, a method for forming a catalyst, an electrolytic cell, and a reaction method.. .
|Electrolytic cell and an electrode cartridge thereof|
An electrolytic cell comprising, a housing having a channel extending there through and an opening formed in the housing for receiving an electrode cartridge, an inlet allowing water to pass into the channel, an outlet allowing water to pass from the channel, and a removable electrode cartridge comprising, a support member, having a outer side an inner side, the support member being adapted to close off the opening in the housing when the electrode cartridge is received in the opening, and a series of separate spaced electrode plates supported by the support member, each electrode plate having a terminal which extends through the support member from the inner side to project from the outer side.. .
|Sulfuric acid electrolysis method and sulfuric acid electrolysis apparatus|
An electrolysis apparatus comprising: an electrolytic cell in which a sulfuric acid solution is fed and discharged; a conductive anode and cathode electrode of diamond composition; a feeding unit for feeding the sulfuric acid solution to the electrolytic cell; a power supply unit for applying a voltage between the anode and cathode electrodes; and a power control unit for controlling the power supply unit such that a forward voltage is applied between the anode and cathode during normal electrolysis with the polarity applied between the anode and cathode inverted under predetermined conditions during intervals between normal operation to dissolve precipitates of sulfur generated in the electrolytic cell for stabilizing the electrolysis operation.. .
|System and method for isotope selective chemical reactions|
A system providing selective spin modification and reaction in an electrolytic cell. An electrolytic cell is coupled to a magnet that provides a level-splitting magnetic field in a region of electrolyte adjacent to a working electrode, thus establishing a spin resonance for an unpaired electron associated with a chemical species in the region of electrolyte adjacent to the working electrode.
|Production process for a stabilized aqueous solution of oxidizing chlorine and a stabilized aqueous solution of oxidizing chlorine produced in this manner|
A process is described for the preparation of a stabilized aqueous solution of oxidizing chlorine (anolyte). The process comprises electrolysis of an aqueous solution of sodium chloride or potassium chloride in an electrolytic cell having at least one anode compartment and one cathode compartment separated by a semi-permeable membrane to obtain an anolyte solution in the anode compartment and a catholyte solution in the cathode compartment, and the addition to the anolyte solution produced in this way of a stabilizing agent selected from the group consisting of hydrochloric acid (hcl) of 50 to 250 mg/l, sulphuric acid (h2so4) of 50 to 350 mg/l, phosphoric acid (h3po4) of 50 to 500 mg/l, periodic acid (hio4) of 100 to 1000 mg/l, sodium chloride (nacl) from 1 to 30 g/l, or any combination thereof.
|Method and system employing a solution contact for measurement|
An inline metrology method and system using an electrolytic cell for measuring electrical characteristics of a semiconductor device, such as a photovoltaic device, during manufacture.. .
|Electrolysis method and electrolytic cells|
An electrolysis method for electrolytic cells having an electrode-membrane-electrode assembly includes two porous electrode having a porous membrane located therebetween and filled with electrolyte or having an ion exchange membrane located therebetween, one or more liquids being led directly into the membrane of the electrode-membrane-electrode assembly. The one or more liquids are guided in a channel structure arranged in the membrane.
|Outlet seal for the cathode bars of an aluminum electrolytic cell|
Sealing devices are provided as configured for use with cathode devices of an electrolytic cell for production of aluminum. In particular, the seals are specifically configured to provide an outlet seal for the cathode bars.
|Ion exchange membrane method electrolytic cell|
An ion-exchange membrane method electrolytic cell comprising a coil cushion arranged between a conductive plate and a cathode in a cathode chamber, and further an ion-exchange membrane arranged in contact with the cathode. The conductive plate is not perforated, and the coil cushion is arranged so that its axial direction is in agreement with the vertical direction of electrolytic cell.
The invention relates to a process of producing alkali metal chlorate in an electrolytic cell comprising an anode and a cathode, wherein at least one chromium compound having a valence lower than +6 is added to the process, wherein said at least one chromium compound is oxidized to hexavalent chromium within said process, wherein substantially no hexavalent chromium is added to the process from an external source. The invention also relates to the use of an aqueous solution of chromium compounds as an additive to a chlorate process..
|Recycled pot gas pot distribution|
An aluminium production electrolytic cell (14) comprises a bath (20) with bath contents (18), at least one cathode electrode (22) in contact with said contents (18), at least one anode electrode (16) in contact with said contents (18), and a hood (36), defining interior area (36a), covering at least a portion of said bath (20). The electrolytic cell (14) is equipped for effluent gases to be drawn from said interior area (36a).