This page is updated frequently with new Electrolytic Cell-related patent applications.
| 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 includes an alkali monosulfide, an alkali polysulfide, or a mixture thereof and a solvent that dissolves elemental sulfur.
|Energy efficient salt-free recovery of metal from dross|
A process and an apparatus are disclosed for improved recovery of metal from hot and cold dross, wherein a dross-treating furnace is provided with a filling material with good capacity to store heat. This filling material is preheated to a desired temperature by injection of an oxidizing gas to burn non-recoverable metal remaining in the filling material after tapping of the recoverable metal contained in the dross and discharging of the treatment residue.
Pyrogenesis Canada Inc.
|A decalcifying apparatus|
The present application relates to a decalcifying apparatus (20) for decalcifying an aqueous solution. The decalcifying apparatus (20) has an electrolytic cell section (26) configured to receive an aqueous solution.
Koninklijke Philips N.v.
|Method of ventilating an aluminium production electrolytic cell|
An aluminium production electrolytic cell comprises a bath with bath contents, at least one cathode electrode in contact with said contents, at least one anode electrode in contact with said contents, and a hood, defining interior area, covering at least a portion of said bath. The electrolytic cell is equipped for vent gases to be drawn from said interior area.
General Electric Technology Gmbh
|System for production of a sterilizing solution|
A system that produces a sterilizing solution, has an electrolytic cell containing an anode compartment and a cathode compartment separated by a porous ion-exchange membrane. The system further has an ion-exchange water softener arranged to supply the electrolytic cell with deionized water and a brine tank arranged to supply the electrolytic cell with a sodium chloride brine solution.
D&t Consult Aps
|Method of superimposing alternating current on direct current in electrolytic methods|
A process for superimposing ac over dc, which feeds a group of electrolytic cells for electrowinning or electrorefining copper and other products, characterized by (a) incorporating an inductor which is connected between the terminals of two consecutive middle cells of the group of electrolytic cells, wherein the inductor functions are to act as a filter for the ac and as conducting means for the dc; (b) incorporating a capacitor connected in parallel to the original dc source, wherein the capacitor functions are to act as conducting means for the ac and as a filter for the dc; and (c) incorporating an ac source connected to the terminals of an inductor installed in the middle point of the group of electrolytic cells.. .
Hecker ElectrÓnica Potencia Y Procesos S.a.
|Method and associated process water sanitation|
Sanitizing method for eliminating microorganisms from washing/process water used for fruit and vegetable produce, comprising the steps of: filtering of the process water; electrolysis of the filtered process water in at least one electrolytic cell; turbulence promotion of the process water flow inside the at least one electrolytic cell, performed by providing the cell (s) with turbulence promoters; and wherein the electrolysis step is performed in (an) electrolytic cell (s) provided with bbd (boron doped diamond) electrodes.. .
|Large-capacity electrical energy storage device|
A large-capacity electrical energy storage device is provided. The electrical energy storage device includes a plurality of electrolytic cells and a four-quadrant electrical charger/inverter.
|Control system for an electrolytic cell|
A control system for an electrolytic cell includes a voltage converter converting an input voltage into a decomposition voltage, a temperature sensor generating a sensed temperature, an electric power sensor generating a sensed voltage, and a control unit storing voltage-temperature characteristics. The control unit determines a voltage that corresponds to the sensed temperature according to one of the voltage-temperature characteristics, and generates, according to a difference between the voltage thus determined and the sensed voltage, a control signal which is provided to the voltage converter such that the decomposition voltage decreases along with increase in the sensed temperature..
National Chiao Tung University
|Apparatus and treating ballast water by using electrolysis|
Provided is an apparatus for treating ballast water by using electrolysis. The apparatus includes a plurality of ballast tanks into which ballast water is introduced; a first pipe for a main stream of the ballast water supplied to the ballast tanks; a second pipe for a side stream of the ballast water branched from the main stream of the ballast water; an electrolytic cell configured to perform electrolysis of the side stream of the ballast water; a first salinity measuring unit configured to measure a salinity of the side stream of the ballast water introduced into the electrolytic cell; a second salinity measuring unit configured to measure a salinity of ballast water introduced into at least one of the ballast tanks; and a controller configured to control to supply the ballast water to the electrolytic cell from one of the plurality of ballast tanks based on the salinity of ballast water measured by the second salinity measuring unit, when the salinity of the side stream of the ballast water measured by the first salinity measuring unit is less than a threshold value..
Techcross Co., Ltd.
Large-capacity electrical energy storage device
A large-capacity electrical energy storage device is provided. The electrical energy storage device includes a plurality of electrolytic cells and a four-quadrant charger/inverter.
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..
The Procter & Gamble Company
Electrolysis water-making apparatus
An electrolysis water-making apparatus (1) generates electrolyzed products by supplying a raw material solution into an electrolytic cell (4) to perform electrolysis, and generates electrolyzed water by diluting the electrolyzed products. The electrolysis water-making apparatus (1) includes a casing (20) configured to accommodate the electrolytic cell (4), and a bracket (30) fixed to the casing (20) in a freely detachable manner, and the bracket (30) includes a pair of rigid walls to which one end and the other end of the electrolytic cell (4) are attached.
Morinaga Milk Industry Co., Ltd.
Electrochemical producing hydrogen peroxide using a titanium oxide nanotube catalyst
The electrochemical method of producing hydrogen peroxide using a titanium oxide nanotube catalyst is an electrochemical process for producing hydrogen peroxide using a cathode formed as a nanostructured titania (tio2) electrode surface treated with nitrogen. An anode and the cathode are immersed in an alkaline solution saturated with oxygen in an electrolytic cell.
King Saud University
Removal of dissolved selenium from aqueous solutions
Processes for treating aqueous solutions to remove dissolved selenium species, for example in the presence of an excess of sulphate anions, which include the use of strongly basic anion exchange resins, or co-precipitation and adsorption of the selenate (and selenite) with mixed ferrous and ferric iron, or combinations thereof. Co-precipitation and adsorption of selenate may take place in an electrolytic cell in the presence of ferrous and/or ferric iron..
Bioteq Environmental Technologies Inc.
A diaphragm type electrolytic cell and a process for the production of hydrogen from unipolar electrolysis of water
The present invention relates to a diaphragm type electrolytic cell and process of production of commercial quantities of hydrogen from the electrolysis of water. The utilization of both alkaline and acidic electrolyte solutions within the electrolytic cell assists to increase the production of hydrogen and oxygen.
Separation membrane for redox flow secondary battery and redox flow secondary battery comprising the same
The redox flow secondary battery includes an electrolytic cell including a positive electrode cell, a negative electrode cell, and a separation membrane that separates the positive electrode cell and the negative electrode cell. Moreover, the above described redox flow secondary battery is configured as follows.
Asahi Kasei E-materials Corporation
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 equipped with concentric electrode pairs
A bipolar electrolytic cell particularly useful for electrochemical processes carried out with periodic reversal of polarity is provided. The cell is equipped with a series of concentric electrode pairs, the innermost pair and the outermost pair being connected to the poles of a dc generator and the intermediate pairs acting as bipolar electrodes.
Industrie De Nora S.p.a.
Oxygen reduction catalysts
The present invention relates to a method for preparing a catalyst which can be used to catalyse the oxygen reduction reaction (orr). The invention also provides a catalyst obtained from the method and its use as an electrode, for example, in a galvanic cell, an electrolytic cell or an oxygen sensor..
Imperial Innovations Limited
Electrolytic cell for the production of oxidising solutions
A three-compartment cell for production of oxidising disinfectant solutions is provided. The intermediate compartment of the cell is separated from the anodic compartment by a fibrous diaphragm in intimate contact with an anion-exchange membrane..
Industrie De Nora S.p.a.
Method for producing metal and producing refractory metal
A method for producing metal by using an apparatus for molten salt electrolysis having an electrolytic cell and an electrode pair, wherein the molten salt electrolysis in the electrolytic cell and heating of the molten salt by a joule heat generation between a pair of electrodes for electrolysis are simultaneously performed; and wherein the apparatus for molten salt electrolysis has at least two sets of electrode pair, and at least one set of the electrode pairs is electrically opened.. .
Sanitary washing apparatus
According to one embodiment, a sanitary washing apparatus includes: a nozzle including a jetting port and configured to squirt water from the jetting port to wash a user's body; a flow channel configured to guide water supplied from a water supply source to the jetting port; an electrolytic cell provided midway along the flow channel and being operable to produce sterilizing water; a heating device provided on the flow channel on upstream side of the electrolytic cell; a nozzle cleaning device configured to clean or sterilize the nozzle with the water heated by the heating device or the sterilizing water produced by the electrolytic cell; and a controller configured to perform control for stopping energization of the heating device or reducing an amount of energization of the heating device when energizing the electrolytic cell.. .
Chlorine dioxide production device and chlorine dioxide production method
A chlorine dioxide production device 1 includes a diaphragm electrolytic cell 2 having an anode chamber 3 and a cathode chamber 5 and configured to effect an electrolytic treatment on anolyte solution containing chlorite supplied to the anode chamber 3 for generating chlorine dioxide, a flow path section c communicating the anode chamber 3 to the cathode chamber 5, a discharge section d communicating the cathode camber 5 to the outside, an aerating means 14 for supplying aeration gas to the anode chamber with allowing adjustment of its supply amount, and a neutralizing means 12 for supplying a neutralizing agent to at least one of the cathode chamber 5 and the discharge section d.. .
Taiko Pharmaceutical Co., Ltd.
Electrolytic water generator, electrolytic water generating method and electrolytic water
According to one embodiment, an electrolytic water generator includes a plurality of electrolytic cells configured to generate electrolytic water by energizing a pair of electrodes arranged in water to be electrolyzed. An inflow unit is configured to let the water to be electrolyzed flow in parallel.
Kabushiki Kaisha Toshiba
Luminescent solar concentrator
Luminescent solar concentrator (lsc) comprising an aqueous microemulsion including at least one photoluminescent compound. Said luminescent solar concentrator (lsc) can be advantageously used in solar devices (i.e.
Use of oxygenated or polyoxygenated weak acids, or minerals, compounds or derivatives that generate same, in copper electrowinning processes in cathodes or anodes of electrolytic cells, originating from the leaching of a copper mineral
In the invention, the addition of oxygenated or polyoxygenated weak acids, minerals, compounds or derivatives that generate the same to the charged electrolytes coming from the solvent extraction phase and entering the electrowinning (ew) stage serves the purpose of homogenizing the current density within the electrolytic cell, resulting in increased electrical energy consumption efficiency versus the amount of copper deposited.. .
Electrolytic apparatus and producing electrolyzed water
According to one embodiment, an electrolytic apparatus includes an electrolytic cell including an anode chamber, an intermediate chamber, a cathode chamber, separating membranes, an anode in the anode chamber, and a cathode in the cathode chamber, a water supply portion which supplies water to the anode and cathode chambers and intermittently changes a water supply and discharge amount, an electrolyte fluid supply portion which supplies and discharges an electrolyte fluid to the intermediate chamber, and a controller which applies potential to the anode and the cathode and electrolyzes the electrolyte fluid in a state where the water supply and discharge amount is small or in a water static state in at least one of the anode and the cathode chambers.. .
Kabushiki Kaisha Toshiba
Electrolytic cell for the production of ammonia
The invention provides an electrolytic cell 10 for the production of ammonia (nh3), comprising an electrolytic cell unit 100 comprising a first electrode 110, a second electrode 120, and an electrolyte 133, further a voltage generator 210, a supply 220 of a dinitrogen comprising fluid 221, and a supply 230 of a water comprising fluid 231. The electrolyte is configured to allow transport of protons.
Technische Universiteit Delft
Electrolytic cell intended for the production of aluminium and electrolytic smelter comprising this cell
This cell (1) comprises a pot shell (2) having two longitudinal sides (18) which are symmetrical in relation to a longitudinal median plane (p) of the electrolytic cell (1), an anode assembly which can only move in vertical translation with respect to the pot shell (2), the anode assembly comprising an anode block (100) and a transverse anode support (200) extending at right angles to the longitudinal sides (18) of the pot shell (2), from which support the anode block (100) is suspended. The anode support (200) comprises two connecting portions (202) from which electrolysis current is supplied to the anode support (200), and the cell (1) comprises electrical connection conductors (20) electrically connected to the two connecting portions (202) of the anode support (200), the two connecting portions (202) being located on either side of the plane (p)..
Electrolytic device and anode assembly intended for the production of aluminium, electrolytic cell and apparatus comprising such a device
An electrolytic cell and an electrolysis installation comprising such an anode assembly.. .
Chemical reaction device
According to a chemical reaction device of the embodiment, the chemical reaction device includes an electrolytic cell configured to store an electrolyte solution, a stack including a first electrode stored in the electrolytic cell and arranged on a light irradiation side, a second electrode arranged on a side opposite to the light irradiation side, and a photovoltaic layer formed between the first electrode and the second electrode and configured to perform charge separation by light energy, an external power supply electrically connected between the first electrode and the second electrode via a first switching element, and a power demand unit electrically connected between the first electrode and the second electrode via a second switching element.. .
Electrolysis producing chlorine dioxide with high performance
An electrolysis apparatus for producing chlorine dioxide, comprising an electrolytic cell for producing chlorine dioxide, a storage tank for receiving the produced chlorine dioxide, and a temperature control system including a coolant supply unit for providing a coolant, a directional valve, a cooling tank and a helical circulation channel. Each cooling tank is configurated to receive the electrolytic cell or the storage tankand is provided with the helical circulation channel surrounding the electrolytic cell or the storage tank.
Electrolytic device and electrode
According to one embodiment, an electrolytic device includes an electrolytic cell including a first electrode, a second electrode opposing the first electrode and a diaphragm provided between the first electrode and the second electrode. The first electrode is formed of a plate including a first surface opposing the diaphragm, a second surface located on an opposite side to the diaphragm, and first recess portions formed in the first surface with a first pattern.
Electrode unit, electrolytic cell comprising electrode unit and electrolytic device
According to one embodiment, an electrode unit of an electrolytic device includes a first electrode including a first surface, a second surface located on an opposite side to the first surface, a plurality of first pores opened in the first surface, a plurality of second pores opened in the second surface and having an opening area greater than that of the first pores, and a plurality of the first pores communicating with a respective one of the second pores, a second electrode opposing the first surface of the first electrode, and a continuous porous membrane arranged between the first electrode and the second electrode, so as to cover the first surface of the first electrode.. .
Electrode unit, electrolytic cell comprising electrode unit, electrolytic device and manufacturing electrode of electrode unit
According to one embodiment, an electrode unit of an electrolytic device includes a first electrode including a first surface, a second surface located on a side opposite to the first surface, and a plurality of through-holes opening on the first surface and the second surface, a second electrode opposed to the first surface of the first electrode, and a porous membrane containing an inorganic oxide and provided on the first surface of the first electrode to cover the first surface and the through-holes.. .
Aluminium electrolytic pot ramming machine
The present document describes a machine for compacting a ramming paste inside a gap between cathodes of an electrolytic cell. The machine comprises a guiding rod for providing a static pressure in a longitudinal axis which is coincident with the guiding rod; a vibration generator attached to the guiding rod for providing an oscillatory pressure; and a compaction tool attached to one of the guiding rod and the vibration generator for transmitting the static pressure and the oscillatory pressure to the ramming paste inside the gap..
Gas sensor element
A gas sensor is described comprising a solid electrolytic cell having at least one solid electrolyte and at least two electrodes, disposed on opposite surfaces of the solid electrolyte, namely a reference electrode and a measurement electrode. The reference electrode is disposed in a reference chamber.
System and purifying depleted brine
A system and method for removing impurities to reconstitute a nacl stream to a saturated solution salt solution and remove any impurities such as sodium bisulfate (nahso3), sodium chlorate (naclo3) and sodium iodide (nai) to improve brine quality from an electrolytic cell is disclosed, including an evaporation system connected to the electrolytic cell, a brine treatment system connected to the evaporation system and the electrolytic cell. A waste treatment system is connected to the evaporation system.
Westlake Vinyl Corporation
System for recovering and recycling acid mist generated in electrolytic cells for electrowinning or electrorefining non-ferrous
Acid mist is extracted from electrolytic cells and conveyed to a first device for trapping electrolyte droplets and condensing the hazardous contaminating sulfuric add vapors, then gaseous discharges are collected in a manifold, and the first devices are either connected directly to a second multi-chamber device for condensing the acid waste vapors that have not been trapped, which is connected to a gas extractor system which exhausts said gas either directly to the atmosphere or to a chemical treatment system for purification prior to discharge; or alternatively, the manifold discharges directly to an extractor system, which in turn discharges either directly to a centralized waste gas and vapor removal system or to the atmosphere. The recovery and recycling system further comprises a system for collecting condensates for reuse in the process and two systems for the measurement, control and regulation of acid mist extraction flows..
Method for fabricating a dense, dimensionally stable, wettable cathode substrate in situ
Compositions suitable for use in an electrolytic cell for producing aluminum are provided. The compositions can contain a powder blend of boron oxide, a titanium dioxide, aluminum, and titanium diboride.
Kcl Enterprises, Llc
Hybrid metal oxide cycle water splitting
Hybrid thermochemical water splitting systems are disclosed that thermally reduces metal oxides particles to displace some but not all of the electrical requirements in a water splitting electrolytic cell. In these hybrid systems, 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.
Porous, flow-through consumable anodes for use in selective electroplating
A method for electrodepositing a coating/free-standing layer on a workpiece in an electrolytic cell includes moving the workpiece and an anode applicator tool having a consumable anode insert relative to each other; anodically dissolving a metal from the insert and cathodically depositing the metal on the workpiece; providing flow of electrolyte solution through the insert to ensure that greater than 90% of the anodic reaction is represented by dissolution of the metal; recirculating collected electrolyte solution exiting the electrolytic cell through the insert; applying an electric current to the electrolytic cell; maintaining a concentration of the anodically dissolved metal within ±25% of each ampere-hour per liter of electroplating solution; and creating a cathodic electrodeposit on the workpiece which includes the anodically dissolved metal, the chemical composition of the deposit varying by less than 25% in the deposition direction over a selected thickness of up to 25 microns of the deposit.. .
Integran Technologies Inc.
Method and 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.. .
Viceroy Chemical, Inc.
Hydrogen production producing hydrogen
A hydrogen production system includes: a steam generator heating supplied raw water and generating steam; an electrolytic cell receiving the steam and generating hydrogen and oxygen through a high temperature electrolysis; a cooling unit cooling an unreacted part of the steam in the high temperature electrolysis and changing the unreacted part of the steam into steam condensate; a gas/liquid separator performing gas/liquid separation on the generated hydrogen and the generated steam condensate; a hydrogen compression unit compressing the separated hydrogen and transmitting thermal energy generated when the hydrogen is compressed, to the raw water; and a hydrogen storage unit storing the compressed hydrogen.. .
Kabushiki Kaisha Toshiba
System for evaluation of current distribution in electrodes of electrochemical plants
The present invention relates to a system for direct detection of current supplied to the electrodes of electrolytic cells, particularly useful in non-ferrous metal electrowinning or electrorefining plants. The current distribution on a practically unlimited number of electrodes can be obtained through direct measurement on the electrode hanging bars without requiring the manual intervention of plant staff..
Industrie De Nora S.p.a
Configurations and positioning of contact bar segments on a capping board for enhanced current density homogeneity and/or short circuit reduction
Techniques for installing contact bar segments in an electrolytic cell can include positioning a series of contact bar segments on a capping board to provide enhanced current density distribution in the series of contact bar segments positioned along the capping board, the contact bar segments including at least three contact regions for anodes and cathodes. In some scenarios, sub-sets of contact bar segments may be provided, such that one sub-set is configured to contact n number of anodes and n number of cathodes; another sub-set is configured to contact n number of anodes and n+1 number of cathodes including one center segment; and a further sub-set configured to contact n+1 number of anodes and n number of cathodes including two end segments..
Pultrusion Technique Inc.
Electrolysis cell and electrode
The present proposals relate to electrolysis cells, electrodes for such cells and methods of using them. In particular the electrodes comprise a planar electrically conductive plate with at least part of one face of the plate is covered with a plurality of electrically conductive wires each of which is in electrically conductive contact with the surface of the plate along at least part of its length.
Water Fuel Engineering Limited
Power control device and control power control device
A power control device supplies electrolysis voltage and electrolysis current, based on input direct-current power, to an electrolytic cell for manufacturing electrolysis water by electrolysis on a raw material solution by means of electric current applied between an anode and a cathode. The power control device includes: a voltage-current control circuit that, in a constant current control mode, supplies the electrolysis current to the electrolytic cell while the voltage-current control circuit controls the electrolysis current not to exceed a current value of a reference current, the current value of the reference current being preliminarily set according to a rated current of unit cells constituting the electrolytic cell, the voltage-current control circuit, in a constant voltage control mode, supplying the electrolysis voltage to the electrolytic cell while the voltage-current control circuit controls the electrolysis voltage not to exceed a voltage value of a reference voltage, the voltage value of the reference voltage being preliminarily set according to a rated voltage and the number of the unit cells constituting the electrolytic cell.
Morinaga Milk Industry Co., Ltd.
Method and liquid metal electrode connection in production or refining of metals
In some aspects, the invention relates to apparatuses and methods for connecting a liquid first metal cathode to a current source of an electrolytic cell comprising a conduit having a first and second end, liquid first metal disposed at the first end of the conduit, a solid first metal disposed at the second end of the conduit, and a solid conductor portion in electrical contact with the solid first metal.. .