| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 205477000 | Metal containing compound produced | 87 |
| 20090038954 | Electrochemical process and production of novel complex hydrides - A process of using an electrochemical cell to generate aluminum hydride (AlH | 02-12-2009 |
| 20090127129 | PREPARATION OF HYDROGEN STORAGE MATERIALS - A candidate hydrogen storage material, M, capable of reaction with hydrogen to form a hydride, MH | 05-21-2009 |
| 20100252444 | Apparatus and method for synthesis of alane - One embodiment of the invention includes an electrochemical cell and an externally applied electrical potential used to drive a direct synthesis reaction to produce alane. | 10-07-2010 |
| 20120160700 | MODULAR CATHODE ASSEMBLIES AND METHODS OF USING THE SAME FOR ELECTROCHEMICAL REDUCTION - Modular cathode assemblies are useable in electrolytic reduction systems and include a basket through which fluid electrolyte may pass and exchange charge with a material to be reduced in the basket. The basket can be divided into upper and lower sections to provide entry for the material. Example embodiment cathode assemblies may have any shape to permit modular placement at any position in reduction systems. Modular cathode assemblies include a cathode plate in the basket, to which unique and opposite electrical power may be supplied. Example embodiment modular cathode assemblies may have standardized electrical connectors. Modular cathode assemblies may be supported by a top plate of an electrolytic reduction system. Electrolytic oxide reduction systems are operated by positioning modular cathode and anode assemblies at desired positions, placing a material in the basket, and charging the modular assemblies to reduce the metal oxide. | 06-28-2012 |
| 20120205252 | Method and Apparatus for Achieving Maximum Yield in the Electrolytic Preparation of Group IV and V Hydrides - A method for generating hydride gas of metal M | 08-16-2012 |
| 20140238870 | Systems and Methods for Regenerating Liquid Solvents Used In the Removal of Organic Contaminants from Gaseous Mixtures - A method is provided of regenerating solvents used to remove gaseous contaminants from gaseous mixtures of various compositions with significantly reduced energy required, where one exemplary method includes directing a solution with the solvents and the preferentially absorbed and/or dissolved gaseous contaminants through a filter comprising a membrane having pre-determined diffusion rates so that a substantial portion of the gaseous contaminants pass through the filter, permitting the passage of the gaseous contaminants through the membrane for further processing, and recirculating the separated solvent so that it may be used again to remove new gaseous contaminants. In some cases, it may be desired to permit some of the solvent to pass through the membrane along with the gaseous contaminant. | 08-28-2014 |
| 20140318982 | METHOD FOR PREPARING TIN-SILVER ALLOY PLATING SOLUTION AND PLATING SOLUTION PREPARED BY SAME - A method is described of preparing a tin-silver (Sn—Ag) alloy plating solution containing methanesulfonic acid tin, methanesulfonic acid silver, methanesulfonic acid, and an additive, wherein the method includes: (a) eliminating impurities such as released chloride compounds and released sulfur compounds, which are present in the methanesulfonic acid, (b) preparing the methanesulfonic acid tin and the methanesulfonic acid silver by dissolving, through an electrolytic process, tin and silver in the methanesulfonic acid from which the impurities are eliminated; (c) producing a mixture solution by adding the methanesulfonic acid, the methanesulfonic acid tin, the methanesulfonic acid silver, and the additive; and (d) filtering the mixture solution. And by the method thereof, current efficiency may be increased and a desirable plating film may be maintained by eliminating the impurities from the methanesulfonic acid used as a base material and preparing the Sn—Ag alloy plating solution. | 10-30-2014 |
| 20160083856 | ELECTROLYTIC TREATMENT METHOD AND ELECTROLYTIC TREATMENT APPARATUS - An electrolytic treatment method in which a predetermined treatment is performed using treatment subject ions contained in a treatment liquid, the method including: an electrode positioning step for positioning a direct electrode and a counter electrode so as to sandwich the treatment liquid, and positioning an indirect electrode for forming an electric field in the treatment liquid; a treatment subject ion migration step for applying a voltage to the indirect electrode and thereby moving the treatment subject ions in the treatment liquid to the counter electrode side; and a treatment subject ion redox step for applying a voltage between the direct electrode and the counter electrode and thereby oxidizing or reducing the treatment subject ions which have migrated to the counter electrode side. | 03-24-2016 |
| 205478000 | Carbon containing | 12 |
| 20090032407 | Device for the Separation of Mercury from Caustic Soda in Chlor-Alkali Plants - The invention relates to a device for breaking the electrical continuity of the stream of caustic soda produced in mercury-cathode chlor-alkali plants. The device is comprised of a vessel internally subdivided into three compartments by two flow-conveying septa, the three compartments being in communication and defining a caustic soda tortuous flow-path allowing the centrifugal deposition of mercury microdroplets released by the upstream amalgam decomposer | 02-05-2009 |
| 20140262810 | ELECTROCHEMICAL METHOD FOR SYNTHESIZING METAL-CONTAINING PARTICLES AND OTHER OBJECTS - The invention is directed to a method for producing metal-containing (e.g., non-oxide, oxide, or elemental) nano-objects, which may be nanoparticles or nanowires, the method comprising contacting an aqueous solution comprising a metal salt and water with an electrically powered electrode to form said metal-containing nano-objects dislodged from the electrode, wherein said electrode possesses a nanotextured surface that functions to confine the particle growth process to form said metal-containing nano-objects. The invention is also directed to the resulting metal-containing compositions as well as devices in which they are incorporated. | 09-18-2014 |
| 205480000 | Carbonate or bicarbonate | 10 |
| 20090188810 | Process for the Preparation of Stable Iodate-Exchanged Synthetic Hydrotalcite with Zero Effluent Discharge - The present invention relates to a process for the preparation of stable iodate-exchanged hydrotalcite with zero effluent discharge. The iodate-exchanged hydrotalcite produced is useful as iodizing agent. The invention further relates to utilization of alkaline effluent generated in the process of ion exchange of iodate into SHT so as to fully recycle the residual iodate anion and also utilize the alkali generated in the process for production of additional quantities of iodate through reaction with iodine crystals followed by electrochemical oxidation to obtain pure aqueous solution of iodate salt which can be reused for preparation of the stable iodizing agent. The process gives zero effluent discharge hence economical. | 07-30-2009 |
| 20120312697 | CO2 UTILIZATION IN ELECTROCHEMICAL SYSTEMS - A low-voltage, low-energy electrochemical system and method of removing protons and/or producing a base solution comprising hydroxide and carbonate/bicarbonate ions, utilizing carbon dioxide in a cathode compartment that is partitioned into a first cathode electrolyte compartment and a second cathode electrolyte compartment such that liquid flow between the cathode electrolyte compartments is possible, but wherein gaseous communication between the cathode electrolyte compartments is restricted. Carbon dioxide gas in one cathode electrolyte compartment is utilized with the cathode electrolyte in both compartments to produce the base solution with less that 3V applied across the electrodes. | 12-13-2012 |
| 205482000 | Alkali metal containing | 8 |
| 20090288957 | Process for the Production of Sodium Bicarbonate - Process for the joint production of sodium carbonate and sodium bicarbonate out of sesquicarbonate, in which the sesquicarbonate is dissolved in water, in order to form a feed water solution comprising both sodium carbonate and sodium bicarbonate, in which at least part of the feed water solution is introduced into all the compartments of an electrodialyser and in which a sodium bicarbonate enriched solution and a sodium carbonate enriched solution are extracted from the compartments. | 11-26-2009 |
| 20110042230 | LOW-ENERGY ELECTROCHEMICAL BICARBONATE ION SOLUTION - A low-energy electrochemical method and system of forming bicarbonate ion solutions in an electrochemical cell utilizing carbon dioxide in contact with an electrolyte contained between two ion exchange membranes in an electrochemical cell. On applying a low voltage across an anode and cathode in electrical contact with the ion exchange membranes, bicarbonate ions form in the electrolyte without forming a gas, e.g., chlorine or oxygen at the electrodes. | 02-24-2011 |
| 20110240484 | Production of Alkali Bicarbonate and Alkali Hydroxide From Alkali Carbonate in an Electrolyte Cell. - Alkali bicarbonate is synthesized in an electrolytic cell from alkali carbonate. The electrolytic cell includes an alkali ion conductive membrane positioned between an anolyte compartment configured with an anode and a catholyte compartment configured with a cathode. The alkali conductive membrane selectively transports alkali ions and prevents the transport of anions produced in the catholyte compartment. An aqueous alkali carbonate solution is introduced into the anolyte compartment and electrolyzed at the anode to produce carbon dioxide and/or hydrogen ions which react with alkali carbonate to produce alkali bicarbonate. The alkali bicarbonate is recovered by filtration or other separation techniques. When the catholyte solution includes water, pure alkali hydroxide is produced. When the catholyte solution includes methanol, pure alkali methoxide is produced. | 10-06-2011 |
| 20120298522 | SYSTEMS AND METHODS FOR SODA ASH PRODUCTION - Provided herein are methods and systems to produce sodium carbonate (soda ash). The methods and systems provided herein modify a Solvay process by integrating it with an electrochemical process to produce a less carbon dioxide intensive Solvay process and an environmentally friendly sodium carbonate product. | 11-29-2012 |
| 20130026046 | ON SITE GENERATION OF ALKALINITY BOOST FOR WARE WASHING APPLICATIONS - Methods for enhancing alkalinity and performance of ash-based detergents are disclosed. Nonhazardous ash-based detergent alkalinity is enhanced through increasing the ratio of sodium hydroxide to ash-based alkalinity. Methods according to the invention do not require the addition of chemical ingredients, do not generate additional waste streams and use the entirety of the ash-based detergent. The methods according to the invention provide alkalinity-enhanced detergent use solutions that are sufficiently concentrated for adequate cleaning capability while only requiring minimal amounts of the use solution to be dispensed for an in situ cleaning process. | 01-31-2013 |
| 20130048509 | ELECTROCHEMICAL PROCESS TO RECYCLE AQUEOUS ALKALI CHEMICALS USING CERAMIC ION CONDUCTING SOLID MEMBRANES - A method for producing an alkali metal hydroxide, comprises providing an electrolytic cell that includes at least one membrane having ceramic material configured to selectively transport alkali metal ions. The method includes introducing a first solution comprising an alkali metal hydroxide solution into a catholyte compartment such that said first solution is in communication with the membrane and a cathode. A second solution comprising at least one alkali metal salt and one or more monovalent, divalent, or multivalent metal salts is introduced into an anolyte compartment such that said second solution is in communication with the membrane and an anode. The method includes applying an electric potential to the electrolytic cell such that alkali metal ions pass through the membrane and are available to undertake a chemical reaction with hydroxyl ions in the catholyte compartment to form alkali metal hydroxide. | 02-28-2013 |
| 20150083607 | CO2 UTILIZATION IN ELECTROCHEMICAL SYSTEMS - A low-voltage, low-energy electrochemical system and method of removing protons and/or producing a base solution comprising hydroxide and carbonate/bicarbonate ions, utilizing carbon dioxide in a cathode compartment that is partitioned into a first cathode electrolyte compartment and a second cathode electrolyte compartment such that liquid flow between the cathode electrolyte compartments is possible, but wherein gaseous communication to between the cathode electrolyte compartments is restricted. Carbon dioxide gas in one cathode electrolyte compartment is utilized with the cathode electrolyte in both compartments to produce the base solution with less that 3V applied across the electrodes. | 03-26-2015 |
| 20150352498 | PROCESS AND SYSTEM FOR PRODUCING SODIUM CHLORIDE BRINE - The invention provides a process and system for producing sodium chloride brine suitable for use in a sodium hydroxide production plant having a chlor-alkali membrane cell, said process comprising (a) nanofiltering feed water containing dissolved sodium chloride to produce a permeate and a retentate, wherein the retentate comprises at least 85% of any divalent ions from the feed water; and (b) purifying the permeate to produce the sodium chloride brine suitable for use in a sodium hydroxide production plant having a chlor-alkali membrane cell, wherein step (b) comprises electrodialyzing the permeate to produce a concentrate having a greater concentration of total dissolved salts and a smaller proportion of divalent ions than the permeate and a diluent comprising water and divalent ions separated from the permeate. The invention also provides a process and system for producing sodium hydroxide, and a process for the commercial production of soda ash. | 12-10-2015 |
| 205494000 | Sulfur containing (e.g., sulfide, etc.) | 3 |
| 20090200176 | RADIAL COUNTERFLOW SHEAR ELECTROLYSIS - Coaxial disk armatures, counter-rotating through an axial magnetic field, act as electrolysis electrodes and high shear centrifugal impellers for an axial feed. The feed can be carbon dioxide, water, methane, or other substances requiring electrolysis. Carbon dioxide and water can be processed into syngas and ozone continuously, enabling carbon and oxygen recycling at power plants. Within the space between the counter-rotating disk electrodes, a shear layer comprising a fractal tree network of radial vortices provides sink flow conduits for light fractions, such as syngas, radially inward while the heavy fractions, such as ozone and elemental carbon flow radially outward in boundary layers against the disks and beyond the disk periphery, where they are recovered as valuable products, such as carbon nanotubes. | 08-13-2009 |
| 20140262811 | CONTROLLABLE REDUCTIVE METHOD FOR SYNTHESIZING METAL-CONTAINING PARTICLES - The invention is directed to a method for producing metal-containing particles, the method comprising subjecting an aqueous solution comprising a metal salt, E | 09-18-2014 |
| 20140346055 | RADIAL COUNTERFLOW SHEAR ELECTROLYSIS - Coaxial disk armatures, counter-rotating through an axial magnetic field, act as electrolysis electrodes and high shear centrifugal impellers for an axial feed. The feed can be carbon dioxide, water, methane, or other substances requiring electrolysis. Carbon dioxide and water can be processed into syngas and ozone continuously, enabling carbon and oxygen recycling at power plants. Within the space between the counter-rotating disk electrodes, a shear layer comprising a fractal tree network of radial vortices provides sink flow conduits for light fractions, such as syngas, radially inward while the heavy fractions, such as ozone and elemental carbon flow radially outward in boundary layers against the disks and beyond the disk periphery, where they are recovered as valuable products, such as carbon nanotubes. | 11-27-2014 |
| 205498000 | Halogen containing | 15 |
| 20090211917 | RADIOISOTOPE T1-201 PRODUCTION PROCESS - A radioisotope Tl-201 is produced. The process includes electroplating, irradiating, dissolving precipitating, ion exchanging, decaying and filtering. The Tl-201 obtained is a liquid having a high purity. | 08-27-2009 |
| 20110303551 | ELECTROCHEMICAL PRODUCTION OF AN ALKALINE SOLUTION USING CO2 - An electrochemical system comprising a cathode electrolyte comprising added carbon dioxide and contacting a cathode; and a first cation exchange membrane separating the cathode electrolyte from an anode electrolyte contacting an anode; and an electrochemical method comprising adding carbon dioxide into a cathode electrolyte separated from an anode electrolyte by a first cation exchange membrane; and producing an alkaline solution in the cathode electrolyte and an acid. | 12-15-2011 |
| 20120255865 | METHOD OF COOLING PERSONAL, COMMERCIAL AND INDUSTRIAL MACHINERY - This is directed to systems, processes, machines, and other means that produce a reduced solution for cooling machinery. The invention can produce a superior coolant, or has a superior ability to reduce or transfer heat through the use of highly reduced water with a high potential of hydrogen and increased production of electrons in a rapid state of disassociation, which produces a highly active (energy) solution with an increased ability to transfer heat. This superior coolant is a cathodic non-corrosive medium, which possesses an increased ability to transfer heat. | 10-11-2012 |
| 20130112571 | ELECTROLYTIC APPARATUS AND METHOD FOR PRODUCING SLIGHTLY ACIDIC ELECTROLYZED WATER - An electrolytic apparatus and a method produce slightly acidic electrolyzed water with a molecular hypochlorous acid component by electrolysis of a chlorine containing composition. The electrolytic apparatus electrolyzes a chlorine containing composition with chloride ions and then dilutes the electrolyzed solution, and includes a container for providing a dilution water passage for diluting the electrolyzed solution, an electrode stack in the container including a diaphragm-less unit electrolysis cell defined between planar electrodes and the electrode holder frame for supplying chlorine composition at the position corresponding to the unit electrolysis cell, and an electrode holder frame including a reservoir part fluid-communicated to the opening while retaining the chlorine containing composition prior to the supply of the chlorine containing composition to the unit electrolysis cell. The total area of the opening fluid-communicating between the reservoir part and the unit electrolytic cell is not more than 10 mm | 05-09-2013 |
| 20130240371 | PROCESS FOR ELECTROLYSIS OF ALKALI METAL CHLORIDES WITH OXYGEN-CONSUMING ELECTRODES IN MICRO-GAP ARRANGEMENT - Process for electrolysis of alkali metal chlorides with oxygen-consuming electrodes having specific operating conditions for startup and shutdown, which prevents damage to constituents of the electrolysis cell. | 09-19-2013 |
| 20140014527 | METHOD FOR MOUNTING OXYGEN-CONSUMING ELECTRODES IN ELECTROCHEMICAL CELLS AND ELECTROCHEMICAL CELLS - Method for the gastight and liquid-tight installation of oxygen-consuming electrodes in an electrolysis apparatus, and electrolysis apparatus for use in chloralkali electrolysis, in which particular regions are covered with an additional film having a composition comparable to the oxygen-consuming electrodes | 01-16-2014 |
| 20140069821 | SYSTEM AND METHOD FOR TREATMENT OF PRODUCED WATERS - The systems and methods disclosed herein process produced/flowback water, such as high total dissolved solids produced water, to generate high purity, high value products with little to no waste. The generated high purity, high value products include caustic soda, hydrochloric acid, and/or sodium hypochlorite. Further, the methods and systems disclosed herein generate high quality brine for electrolysis through the systematic removal of contaminants such as but not limited to suspended solids, iron, sulfides, barium, radium, strontium, calcium, magnesium, manganese, fluoride, heavy metals, organic carbon, recoverable hydrocarbons, silica, lithium, and/or nitrogen containing compounds. Further, some products generated by the systems and methods disclosed herein may be recovered and reutilized or sold for other uses, such as carbon dioxide, calcium oxide, chlorine, magnesium oxide, calcium carbonate, and/or barium sulfate. | 03-13-2014 |
| 20160168728 | HIGH PURITY COBALT CHLORIDE AND MANUFACTURING METHOD THEREFOR | 06-16-2016 |
| 20160186357 | Electrolytic On-Site Generator - Method and apparatus for a low maintenance, high reliability on-site electrolytic generator incorporating automatic cell monitoring for contaminant film buildup, as well as automatically removing or cleaning the contaminant film. This method and apparatus preferably does not require human intervention to clean. For high current density cells, cleaning is preferably performed by reversing the polarity of the electrodes and applying a lower current density to the electrodes, preferably by adjusting the salinity or brine concentration of the electrolyte while keeping the voltage constant. Electrolyte flow preferably comprises water and brine flows which are preferably separately monitored and automatically adjusted. For bipolar cells, flow between modules arranged in parallel is preferably approximately equally distributed between modules and between intermediate electrodes within each module. | 06-30-2016 |
| 205499000 | Oxygen containing | 5 |
| 205500000 | Hypochlorite or chlorite | 3 |
| 20090205972 | Electrolytic Purifier - An electrolytic device and method for generating a disinfecting solution that utilizes an electrical circuit and storage battery. The electrical circuit preferably conditions the power received from a variety of power sources to charge the storage battery and conditions the power stored in the storage battery to provide the appropriate power to maximize the disinfection efficacy of the disinfecting solution. The device may incorporate one or more other devices such as an LED, an electrical power takeoff, a clock, a compass, a transmitter device, a receiver device, a position locating device, a direction indicating device, and/or a camera. | 08-20-2009 |
| 20100044241 | Methods for Producing Sodium Hypochlorite with a Three-Compartment Apparatus Containing a Basic Anolyte - An electrochemical method for the production of a chlorine-based oxidant product, such as sodium hypochlorite, is disclosed. The method may potentially be used to produce sodium hypochlorite from sea water or low purity un-softened or NaCl-based salt solutions. The method utilizes alkali cation-conductive ceramic membranes, such as membranes based on NaSICON-type materials, and organic polymer membranes in electrochemical cells to produce sodium hypochlorite. Generally, the electrochemical cell includes three compartments and the first compartment contains an anolyte having a basic pH. | 02-25-2010 |
| 20110168570 | SYSTEM, METHOD AND APPARATUS FOR KILLING PATHOGENS - Delivery mechanisms for dispersing a pathogen disinfectant liquid into the air or onto a surface are disclosed. There is an apparatus including a container comprising a sunlight-resistant compartment containing a pathogen disinfectant liquid, a propellant, and an actuator coupled to a valve for opening and closing the valve, wherein opening of the valve causes the propellant to move at least a portion of the pathogen disinfectant liquid through an orifice in the container. Also disclosed are a system and method for dispersing a pathogen disinfectant liquid into the air in an indoor environment where a pathogen disinfectant liquid is dispersed into circulating air in a HVAC system to disinfect the air in the indoor environment. Further disclosed is an apparatus for dispersing a pathogen disinfectant liquid into the air from a cartridge through the use of an automotive lighter receptacle or USB port. | 07-14-2011 |
| 205502000 | Chlorate | 2 |
| 205503000 | Alkali metal containing | 2 |
| 20130292261 | Electrolytic Process - 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. | 11-07-2013 |
| 205505000 | Utilizing coated electrode | 1 |
| 20120138477 | BIPOLAR ELECTRODES WITH HIGH ENERGY EFFICIENCY, AND USE THEREOF FOR SYNTHESISING SODIUM CHLORATE - The invention relates to novel bipolar electrodes with a cathodic coating on one portion of the electrode and an anodic coating on another portion of the same electrode. The anodic coating is preferably a DSA coating and the cathodic coating is an alloy such as Fe | 06-07-2012 |
| 205507000 | Copper, silver, or gold containing (Cu, Ag, or Au) | 1 |
| 20140246329 | ELECTOLYTIC APPARATUS, ICE MAKING APPARATUS, AND ICE MAKING METHOD - The present invention discloses an electrolytic apparatus comprising:
| 09-04-2014 |
| 205508000 | Hydroxide | 34 |
| 20090038955 | Electrochemical Formation of Hydroxide for Enhancing Carbon Dioxide and Acid Gas Uptake by a Solution - A system is described for forming metal hydroxide from a metal carbonate utilizing a water electrolysis cell having an acid-producing anode and a hydroxyl-producing cathode immersed in a water solution of sufficient ionic content to allow an electric current to pass between the hydroxyl-producing cathode and the acid-producing anode. A metal carbonate, in particular water-insoluble calcium carbonate or magnesium carbonate, is placed in close proximity to the acid-producing anode. A direct current electrical voltage is provided across the acid-producing anode and the hydroxyl-producing cathode sufficient to generate acid at the acid-producing anode and hydroxyl ions at the hydroxyl-producing cathode. The acid dissolves at least part of the metal carbonate into metal and carbonate ions allowing the metal ions to travel toward the hydroxyl-producing cathode and to combine with the hydroxyl ions to form the metal hydroxide. The carbonate ions travel toward the acid-producing anode and form carbonic acid and/or water and carbon dioxide. Among other uses, the metal hydroxide formed can be employed to absorb acid gases such as carbon dioxide from a gas mixture. The invention can also generate hydrogen and oxidative gases such as oxygen or chlorine. | 02-12-2009 |
| 20100084279 | Method for Collection of Valuable Metal from ITO Scrap - Proposed is a method for collecting valuable metal from an ITO scrap in which a mixture of indium hydroxide and tin hydroxide or metastannic acid is collected by subjecting the ITO scrap to electrolysis in pH-adjusted electrolyte, and roasting this mixture as needed to collect the result as a mixture of indium oxide and tin oxide. This method enables the efficient collection of indium hydroxide and tin hydroxide or metastannic acid, or indium oxide and tin oxide from an ITO scrap of an indium-tin oxide (ITO) sputtering target or an ITO scrap such as ITO mill ends arisen during the manufacture of such ITO sputtering target. | 04-08-2010 |
| 20100101964 | Method of Recovering Valuable Metal from Scrap Containing Conductive Oxide - Proposed is a method of recovering valuable metal from scrap containing conductive oxide including the steps of using an insoluble electrode as either an anode or a cathode, using a scrap containing conductive oxide as the counter cathode or anode, performing electrolysis while periodically inverting the polarity, and recovering the scrap as hydroxide. With the foregoing method of recovering valuable metal from scrap containing conductive oxide, oxide system scrap is conductive oxide and a substance that can be reduced to metal or suboxide with hydrogen. This method enables the efficient recovery of valuable metal from sputtering target scrap containing conductive oxide or scrap such as mill ends of conductive oxide that arise during the production of such a sputtering target. | 04-29-2010 |
| 20120118757 | Disposable Electrolytic Cell with Bi-polar Electrode, and Method of Use Thereof - An electrolytic cell that generates metal hydroxides from metallic anode material utilizing small metal particles or fines. Metal fines are impregnated in an open cell or reticulated foam material and rolled into a cylindrical shape having a fixed electrode in the center and on the outer surface of the cylinder. Basket cells with larger metal pieces disposed therein in a packed bed configuration may alternatively be utilized. | 05-17-2012 |
| 20120160701 | Disposable Electrolytic Cell having Bipolar Electrodes, and Method of Use Thereof - An electrolytic cell that generates metal hydroxides from metallic anode material utilizing small metal particles or fines. Metal fines are impregnated in an open cell or reticulated foam material and rolled into a cylindrical shape having a fixed electrode in the center and on the outer surface of the cylinder. Basket cells with larger metal pieces disposed therein in a packed bed configuration may alternatively be utilized. | 06-28-2012 |
| 20120247970 | BUBBLING AIR THROUGH AN ELECTROCHEMICAL CELL TO INCREASE EFFICIENCY - Methods and systems for electrochemical cell optimization, namely increasing cell efficiency and rate of chemical product, are disclosed. In particular, a device wherein air or an oxygen-containing gas is bubbled through an electrochemical cell and methods of use are disclosed to reduce the voltage demand and power usage of an electrochemical cell. The optimized electrochemical cell also achieves increased chemical generation from electrolysis for using in various settings, including for example, housekeeping applications. | 10-04-2012 |
| 20120292200 | ELECTROLYTIC PROCESS TO PRODUCE ALUMINUM HYDROXIDE - Methods and apparatus for separating aqueous solution of alkali aluminate into alkali hydroxide and aluminate hydroxide are disclosed. These methods are enabled by the use of alkali ion conductive membranes in electrolytic cells that are chemically stable and alkali ion selective. The alkali ion conductive membrane includes a chemically stable ionic-selective cation membrane. | 11-22-2012 |
| 205510000 | Alkali metal containing | 27 |
| 20080245671 | Electrochemical Process to Recycle Aqueous Alkali Chemicals Using Ceramic Ion Conducting Solid Membranes - A method is provided to recycle and synthesize aqueous alkali chemicals from industrial and radioactively contaminated alkali salt based waste streams using a two-compartment electrolytic cell having an alkali cation-conductive ceramic membrane. The processes and apparatus provide the capability of recycling and synthesizing value added chemicals, including but not limited to, alkali hydroxides. | 10-09-2008 |
| 20100032311 | Catholyte heat recovery evaporator and method of use - A method for concentrating an aqueous caustic alkali produced by a membrane cell process by using a single or multiple effect evaporator system in which the vapor flows in a counter direction to the aqueous caustic alkali flow and the heat recovered from the catholyte circulation line is used as part of the concentration process. In one embodiment, a catholyte heat recovery heat exchanger and evaporation chamber are located after the last effect of a multiple effect evaporator system. In another embodiment, the catholyte heat recovery heat exchanger and evaporation chamber are located prior to the single or multiple effect evaporator system. In yet another embodiment, the catholyte heat recovery process is used in conjunction with additional heat exchanger processes to further concentrate the final product as desired. | 02-11-2010 |
| 20120103826 | DEVICE AND METHOD FOR RECOVERY OR EXTRACTION OF LITHIUM - A method for recovering and extracting lithium from a feed liquid that may have a mixture of lithium and non-lithium salts present in the feed liquid. Salts of varying solubility are precipitated out of the feed liquid using water evaporation or other techniques. Pure lithium hydroxide is obtained using electrolysis or electro-dialysis processes in combination with a lithium ion selective inorganic membrane such as LiSICON. The negative effect of sodium and potassium on the lithium ion selective inorganic membrane is reduced by reversing the polarity of the current placed across the membrane. | 05-03-2012 |
| 20120125782 | GAS DIFFUSION ELECTRODE EQUIPPED ION EXCHANGE MEMBRANE ELECTROLYZER - Provided is a gas diffusion electrode equipped ion exchange membrane electrolyzer including an anode, an ion-exchange membrane, and a cathode chamber in which a gas diffusion electrode is disposed, wherein in a cathode gas chamber formed between a back plate of the cathode chamber and one side of the gas diffusion electrode opposite to the electrolytic surface, a gas-permeable elastic member is disposed between the gas diffusion electrode and the back plate, and the elastic member forms a conductive connection between the gas diffusion electrode and the back plate by making contact with corrosion-resistant conductive layers formed on the surfaces of a plurality of conductive members which are joined to the back plate. | 05-24-2012 |
| 20120145559 | GAS DIFFUSION ELECTRODE EQUIPPED ION EXCHANGE MEMBRANE ELECTROLYZER - Provided is a gas diffusion electrode equipped ion exchange membrane electrolyzer including an anode, an ion exchange membrane, and a cathode chamber in which a gas diffusion electrode is disposed, wherein the ion exchange membrane and a cathode chamber inner space in which the gas diffusion electrode is disposed are separated by a liquid retaining member, the outer periphery of the liquid retaining member is held in a void formed in a gasket or a cathode chamber frame constituting the cathode chamber, or the outer periphery and the end face of the outer periphery of the liquid retaining member are sealed, or the outer periphery of the liquid retaining member is joined to and integrated with the gasket. | 06-14-2012 |
| 20120273365 | ELECTROCHEMICAL CONVERSION OF ALKALI SULFATE INTO USEFUL CHEMICAL PRODUCTS - Electrochemical processes to convert alkali sulfates into useful chemical products, such as syngas, alkali hydroxide, and sulfur are disclosed. An alkali sulfate is reacted with carbon to form carbon monoxide and alkali sulfide. In one embodiment, the alkali sulfide is dissolved in water and subjected to electrochemical reaction to form alkali hydroxide, hydrogen, and sulfur. In another embodiment, the alkali sulfide is reacted with iodine to form alkali iodide sulfur in a non-aqueous solvent, such as methyl alcohol. The alkali iodide is electrochemically reacted to form alkali hydroxide, hydrogen, and iodine. The iodine may be recycled to react with additional alkali sulfide. The hydrogen and carbon monoxide from both embodiments may be combined to form syngas. The alkali hydroxide from both embodiments may be recovered as a useful industrial chemical. | 11-01-2012 |
| 20130037415 | OXYGEN GAS DIFFUSION CATHODE, ELECTROLYTIC CELL EMPLOYING SAME, METHOD OF PRODUCING CHLORINE GAS AND METHOD OF PRODUCING SODIUM HYDROXIDE - The current invention is to provide an oxygen gas diffusion cathode for brine electrolysis which reduces an initial electrolysis voltage and is excellent in the durability against short-circuit, and an electrolytic cell and an electrolytic method using the same. The oxygen gas diffusion cathode for brine electrolysis includes a gas diffusion layer | 02-14-2013 |
| 20130146473 | Dual diaphragm electrolysis cell assembly and method for generating a cleaning solution without any salt residues and simultaneously generating a sanitizing solution having a predetermined level of available free chlorine and pH - An Electrolysis cell assembly to produce diluted Sodium Hydroxide solutions (NAOH) and diluted Hypochlorous Acid (HOCL) solutions having cleaning and sanitizing properties. The electrolysis cell consists of two insulating end pieces for a cylindrical electrolysis cell comprising at least two cylindrical electrodes with two cylindrical diaphragms arranged co-axially between them. The method of producing different volumes and concentrations of diluted NAOH solutions and diluted HOCL solutions comprises recirculating an aqueous sodium chloride or potassium chloride solution into the middle chamber of the cylindrical electrolytic cell and feeding softened filtered water into the cathode chamber and into the anode chamber of the cylindrical electrolysis cell. | 06-13-2013 |
| 20130146474 | Mesh electrode electrolysis apparatus and method for generating a sanitizing solution - The present invention is an apparatus and method of employing an electrolysis cell assembly for producing simultaneously various diluted Hypochlorous Acid solutions and simultaneously a diluted Sodium Hydroxide solution for usage as cleaning and sanitation by electrolysis of an aqueous saline solution. The apparatus comprising a cylindrical three chamber electrolysis cell consisting of an inner chamber, a middle chamber and an outer chamber having two middle mesh-electrodes in the middle chamber wherein ion-selective exchange membranes are sealed around or on the inside of the middle mesh-electrodes to separate the middle chamber from the inner and outer chamber. The method allows production of different concentrations of Sodium Hydroxide and Hypochlorous Acid solutions isolating a Sodium Hydroxide solution having a negative redox potential ranging from −600 to −1200 mV and isolating a diluted Hypochlorous Acid solution having a positive redox potential ranging from +700 to +1200 mV. | 06-13-2013 |
| 20140262812 | System and Method for Generating and Dispensing Sodium Hydroxide Solutions - A system and method for generating and dispensing a diluted sodium hydroxide solution, the system including an electrolysis unit configured to electrochemically generate a concentrated sodium hydroxide solution from an anolyte solution formed with a non-chlorinated electrolyte. The system also including a dosing pump configured to receive dilution water and the concentrated sodium hydroxide solution at a high dilution ratio to produce the diluted sodium hydroxide solution, and a dispenser configured to dispense the diluted sodium hydroxide solution. | 09-18-2014 |
| 20160032471 | PROCESSES FOR PREPARING LITHIUM HYDROXIDE - There are provided processes for preparing lithium hydroxide that comprise submitting an aqueous composition comprising a lithium compound to an electrolysis or an electrodialysis under conditions suitable for converting at least a portion of the lithium compound into lithium hydroxide. For example, the lithium compound can be lithium sulphate and the aqueous composition can be at least substantially maintained at a pH having a value of about 1 to about 4. | 02-04-2016 |
| 205512000 | Potassium hydroxide produced | 2 |
| 20120205253 | PROCESS FOR THE COMBINED REGENERATION OF SOLUBLE SALTS CONTAINED IN A RESIDUE OF AN INDUSTRIAL PROCESS - Process for the combined regeneration of at least two soluble salts contained in a residue of an industrial process comprising heavy metals, comprising: adding an amount of reactive aqueous solution needed to completely dissolve the salts which are desired to be regenerated to the residue; subjecting the resulting aqueous suspension to a separation to obtain an aqueous production solution on the one hand and insoluble impurities on the other hand, which are removed; successively subjected the aqueous production solution to at least two selective crystallization steps intended to crystallize, separately, the at least two soluble salts which are desired to be regenerated, which are washed, dried and regenerated separately; and adjusting the concentration of at least one of the soluble salts to be regenerated in the aqueous production solution, at the moment when such solution is subjected to the step of crystallization of this salt, to give rise to the selective crystallization of this salt, by addition of a controlled amount of this salt to the aqueous production solution upstream of the crystallization step. | 08-16-2012 |
| 20140262813 | ELECTROCHEMICAL PROCESS AND DEVICE FOR HYDROGEN GENERATION AND STORAGE - Both the reaction of hydride-forming compositions with hydrogen to form hydrides, and the decomposition of such hydrides to release hydrogen may be promoted electrochemically. These reactions may be conducted reversibly, and if performed in a suitable cell, the cell will serve as a hydrogen storage and release device. | 09-18-2014 |
| 205516000 | And elemental halogen produced | 14 |
| 20110031130 | Method for purifying aqueous compositions - Method for purifying an aqueous composition by removing silicon therefrom, according to which a compound comprising aluminum is added to the aqueous composition in order to obtain a molar aluminum content greater than the molar silicon content in said composition, the pH of the composition is controlled and maintained at a value higher than or equal to 8 and lower than or equal to 10, and the precipitate formed is separated from the aqueous suspension obtained. | 02-10-2011 |
| 20110278177 | METHOD OF OPERATING A DIAPHRAGM ELECTROLYTIC CELL - Described is a method for improving the operation of an electrolytic cell having an anolyte compartment, a catholyte compartment and a synthetic diaphragm separating the compartments, wherein liquid anolyte is introduced into the anolyte compartment and flows through the diaphragm into the catholyte compartment, which method involves introducing particulate material comprising halocarbon polymer short fiber, e.g., fluorocarbon polymer short fiber, into the anolyte compartment in amounts sufficient to lower the flow of liquid anolyte through the diaphragm into the catholyte compartment. In the case of an electrolytic cell wherein aqueous alkali metal chloride, e.g., sodium chloride, anolyte is introduced continuously into the anolyte compartment, thereby to produce a catholyte liquor containing alkali metal hydroxide and hypochlorite ion, the foregoing method is useful for decreasing the concentration of hypochlorite ion in the catholyte liquor and oftentimes increasing the concentration of alkali metal hydroxide in the catholyte liquor. Also describes adding at least one member chosen from halocarbon polymer microfibril, halocarbon polymer fiber, clay mineral, oxides and/or hydroxides of alkaline earth metals, and zirconium oxide/hydroxide in conjunction with the halocarbon polymer short fiber to the anolyte compartment, e.g., while the cell is operating. | 11-17-2011 |
| 20120000789 | STRUCTURED GAS DIFFUSION ELECTRODE FOR ELECTROLYSIS CELLS - Electrolysis cell for membrane-supported electrolysis, comprising an oxygen-consuming cathode. | 01-05-2012 |
| 20120061253 | MEANS AND METHOD OF CHEMICAL PRODUCTION - Disclosed is a process for manufacturing bleach (or sodium hypochlorite) and caustic potash (or KOH) without the need for shipping or storing chlorine gas. Specifically, the present invention relates to the manufacture of potassium hydroxide and chlorine gas, through several process options, for the manufacture of sodium hypochlorite (or bleach), hydrochloric acid (HCl) and/or other chlorinated compounds. The disclosed process allows operating flexibility based on chlorine demand, reduces capital costs, and eliminates the need for the transportation and storage of chlorine gas. | 03-15-2012 |
| 20120186989 | Process for producing chlorine with low bromine content - Chlorine with a low bromine content is produced by electrolyzing brine to produce gaseous chlorine, alkali metal hydroxide and hydrogen, separating the gaseous chlorine from the electrolyte (anolyte in the case of the membrane process), directing electrolyte to a primary dechlorination step using hydrochloric acid to remove gaseous chlorine therefrom, optionally directing depleted electrolyte (anolyte in the case of the membrane process) from the primary dechlorination step to a secondary dechlorination step using a reducing agent for chlorine and oxychlorine species, and recycling dechlorinated depleted electrolyte (anolyte in the case of the membrane process) to salt dissolvers to prepare brine for electrolysis. At least part of the gaseous chlorine generated in the primary dechlorination step is not combined with gaseous chlorine generated in the electrolysis step. | 07-26-2012 |
| 20120199493 | AQUEOUS COMPOSITION CONTAINING A SALT, MANUFACTURING PROCESS AND USE - Aqueous composition containing at least one salt in an amount of at least 30 g/kg of composition, of which the total organic carbon content is at least 1 μg of C/l and at most 5 g of C/l of composition and which contains at least one carboxylic acid. | 08-09-2012 |
| 20120325675 | APPARATUS AND METHOD FOR RECOVERY OF VALUABLE METALS BY ALKALI LEACHING - The present disclosure provides an apparatus and a method for recovery of valuable metals. The apparatus includes an electrolytic chlorine producing bath, a dissolution bath disposed at a rear side of the electrolytic chlorine producing bath to perform leaching of a valuable metal content, a gas supplier connected to the dissolution bath to supply a carrier gas, a collection bath disposed at the rear side of the dissolution bath to collect a volatile material, a separation bath separating and purifying a leaching reactant generated in the dissolution bath, and chlorine and sodium hydroxide recirculation lines connecting the electrolytic chlorine producing bath, the dissolution bath and the separation bath. The apparatus permits recovery of valuable metals according to characteristics of the valuable metal, and the chlorine and sodium hydroxide recirculation lines of the apparatus provides optimized recovery rate and efficiency, thereby realizing economic feasibility. | 12-27-2012 |
| 20130153433 | ELECTROLYTIC CELL FOR PRODUCING CHLORINE - SODIUM HYDROXIDE AND METHOD OF PRODUCING CHLORINE - SODIUM HYDROXIDE - There is provided a method of production of chlorine.sodium hydroxide capable of being operated stably and economically by preventing calcium from being deposited in an ion exchange membrane. The liquid retention layer | 06-20-2013 |
| 20130319876 | Mercury-free fusible alloy for electrolyzing salts - An apparatus and method is provided for the production of alkali metals and caustic solutions. The apparatus and method do not require the use of toxic liquid mercury-sodium amalgam electrodes. The apparatus and methods utilize a bismuth-indium-tin eutectic alloy as a substitute for the mercury electrode used in a conventional Castner-Kellner apparatus. | 12-05-2013 |
| 20150329385 | AN ELECTROLYZED WATER GENERATING METHOD AND A GENERATOR - Subject: An electrolyzed water generating method and a generator to produce both acidic electrolyzed water free from alkaline-metal chloride ( | 11-19-2015 |
| 205517000 | Utilizing structurally defined diaphragm or membrane or diaphragm or membrane other than nonstructurally defined single layer cation exchange membrane having single-type cation exchange groups (e.g., anion exchange membrane, etc.) | 1 |
| 205521000 | Multilayered membrane | 1 |
| 20090107850 | PROCESS FOR PREPARING SODIUM HYDROXIDE, CHLORINE AND HYDROGEN FROM AQUEOUS SALT SOLUTION USING SOLAR ENERGY - A process for the production of sodium hydroxide, hydrogen gas and chlorine gas which comprises | 04-30-2009 |
| 205526000 | Utilizing specified electrode (e.g., rod, cylinder, etc.) | 2 |
| 205527000 | Mercury or amalgam cathode | 1 |
| 20090038956 | Amalgam Decomposer for Mercury Cathode Cells for Alkali Chloride Electrolysis - The invention relates to an amalgam decomposer for mercury cathode chlor-alkali cells. The amalgam decomposer of the invention contains a filling of carbon steel rings whose external surface is provided with a catalytic coating for amalgam decomposition consisting of one or more electrically conductive metals carbides. The internal surface of the rings is free of catalytic coating and wettable by the amalgam, while the external carbide catalytic coating is not wettable by the amalgam thereby favouring hydrogen evolution. | 02-12-2009 |
| 205531000 | Foraminous or perforated (e.g., mesh, screen, etc.) | 1 |
| 20130240372 | PROCESS FOR ELECTROLYSIS OF ALKALI METAL CHLORIDES WITH OXYGEN-CONSUMING ELECTRODES HAVING ORIFICES - An oxygen-consuming electrode for use in chloralkali electrolysis, having a novel coating, the production thereof, an electrolysis cell comprising the oxygen-consuming electrode and parameters for the startup and shutdown of the electrolysis apparatus, compliance with which prevents damage to the cell. | 09-19-2013 |
| 205536000 | Treating electrolyte or bath material prior to synthesis other than heating, cooling, or replacing consumed material during synthesis | 1 |
| 20130161201 | Electrolysis Process - Electrolysis process in which the anode compartment of an electrolytic cell is fed with at least one brine which has been subjected to a stripping treatment in the presence of at least one stripping agent at a pH less than or equal to the pH of the anode compartment of the electrolytic cell, such brine comprising at least one organic compound before the treatment. | 06-27-2013 |
| 205538000 | Oxide | 10 |
| 20090218234 | Methods Of Making Titania Nanostructures - Electrochemical methods for making titanium oxide (TiO | 09-03-2009 |
| 20090294299 | SPENT FUEL REPROCESSING METHOD - A spent fuel reprocessing method has a dissolution step of dissolving the spent fuel in nitric acid solution, an electrolysis/valence adjustment step of reducing Pu to trivalent, maintaining the pentavalent of Np, a uranium extraction step of collecting UO | 12-03-2009 |
| 20100072075 | Method of Recovering Valuable Metal from Scrap Containing Conductive Oxide - Provided is a method of recovering valuable metal from oxide system scrap including the steps of performing electrolysis using an insoluble electrode as an anode and an oxide system scrap as a cathode, and recovering the scrap of the cathode as metal or suboxide. Specifically, this method enables the efficient recovery of valuable metal from oxide system scrap of an indium-tin oxide (ITO) sputtering target or oxide system scrap such as mill ends that arise during the production of such a sputtering target. | 03-25-2010 |
| 20100258448 | USE OF A RARE EARTH FOR THE REMOVAL OF ANTIMONY AND BISMUTH - The invention relates generally to a process for removing one or more contaminants from an electrolytic solution and more particularly to a process for removing the one or more contaminants contained in an electrorefining solution using rare earth metals. | 10-14-2010 |
| 20110303552 | ONE STEP ELECTROCHEMICAL PROCESS FOR THE SYNTHESIS OF PURE RUTILE TITANIUM DIOXIDE NANONEEDLES - A one step, room temperature, electrochemical process for the synthesis of rutile titanium dioxide nanoneedles with high aspect ratio is disclosed herein. | 12-15-2011 |
| 205539000 | Manganese containing | 2 |
| 20130037416 | METHOD FOR PRODUCING MERCURY-FREE ALKALINE-MANGANESE TYPE ELECTROLYZED MANGANESE DIOXIDE - Provided is a method for producing mercury-free alkaline-manganese type electrolyzed manganese dioxide, which sequentially comprises: (1) mixing manganese oxide ore and pyrite, continuously feeding the mixture and sulfuric acid into a continuous leaching tank to form a one-stage or multi-stage continuous leaching, removing potassium ions first after leaching, and then removing iron by means of a neutral iron removal method, and adding lime powder at the late stage of iron removal to adjust the pH value of the solution to 6-6.5, so as to obtain a manganese sulfate solution after reaction at 90-95° C. for 3-4 hours; (2) performing purification and impurities removal on the manganese sulfate solution by a two-stage continuous purification process, wherein, during the first stage of the continuous purification on the manganese sulfate solution, calcium polysulfide is added, and during the second stage of the purification, the solution passes through a sluice and calcium and magnesium are dynamically removed, and then the solution is sent to a still tank to stand to deposit and remove impurities such as calcium and magnesium; and (3) subjecting the purified manganese sulfate solution to ultra-fine filtering, heating to 90-100° C. by a plate heat exchanger, and then entering an elevated tank, and at the same time, adding a prepared suspending agent and a prepared foaming agent, and supplying the resulting product to electrolysis baths through pipelines for electrolysis, so as to obtain mercury-free alkaline-manganese type electrolyzed manganese dioxide. The method has the advantages of wide adaptability to manganese oxide ores, short process flow, and low production cost. | 02-14-2013 |
| 20130146475 | ELECTROLYTIC MANGANESE DIOXIDE, AND METHOD FOR ITS PRODUCTION AND ITS APPLICATION - Disclosed is an electrolytic manganese dioxide having an alkali potential of at least 310 mV, a full width at half maximum of the ( | 06-13-2013 |
| 205543000 | Group VIII metal containing | 3 |
| 20090120802 | METHODS OF SYNTHESIZING AN OXIDANT AND APPLICATIONS THEREOF - Novel devices for synthesizing ferrate and uses thereof are described. One aspect of the invention relates to devices and systems for synthesizing ferrate at a site proximal to the site of use. | 05-14-2009 |
| 20110036725 | METHODS OF SYNTHESIZING AN OXIDANT AND APPLICATIONS THEREOF - Novel devices for synthesizing ferrate and uses thereof are described. One aspect of the invention relates to devices and systems for synthesizing ferrate at a site proximal to the site of use. | 02-17-2011 |
| 20120125783 | REAL SPACE MAPPING OF IONIC DIFFUSION AND ELECTROCHEMICAL ACTIVITY IN ENERGY STORAGE AND CONVERSION MATERIALS - A method and system for probing mobile ion diffusivity and electrochemical reactivity on a nanometer length scale of a free electrochemically active surface includes a control module that biases the surface of the material. An electrical excitation signal is applied to the material and induces the movement of mobile ions. An SPM probe in contact with the surface of the material detects the displacement of mobile ions at the surface of the material. A detector measures an electromechanical strain response at the surface of the material based on the movement and reactions of the mobile ions. The use of an SPM tip to detect local deformations allows highly reproducible measurements in an ambient environment without visible changes in surface structure. The measurements illustrate effective spatial resolution comparable with defect spacing and well below characteristic grain sizes of the material. | 05-24-2012 |
| 205547000 | Germanium, tin, or lead containing | 3 |
| 20120055803 | Electrodes for Electrolytic Germane Process - The invention relates to the electrolysis of aqueous electrolyte solutions containing GeO | 03-08-2012 |
| 20140008240 | Divided Electrochemical Cell and Low Cost High Purity Hydride Gas Production Process - This invention is an apparatus and a method for continuously generating a hydride gas of M | 01-09-2014 |
| 20150345037 | Divided Electrochemical Cell and Low Cost High Purity Hydride Gas Production Process - This invention is an apparatus and a method for continuously generating a hydride gas of M | 12-03-2015 |
| 205548000 | Iron, cobalt, or nickel containing | 2 |
| 20090205973 | METHODS AND APPARATUS FOR PRODUCING FERRATE(VI) - An undivided electrochemical cell. The electrochemical cell includes a housing defining an undivided chamber, the housing having one electrolyte inlet and at least two electrolyte outlets; an anode in the chamber; a cathode in the chamber; and an electrolyte in the chamber, wherein the anode and the cathode are not gas diffusion electrodes. The invention also involves a method of operating an electrochemical cell, and methods for making ferrate(VI). | 08-20-2009 |
| 20140262814 | SYSTEMS AND METHODS FOR RECOVERY OF COBALT METAL AND IONIC COBALT - Various embodiments provide a method comprising electrowinning a first portion of a conditioned cobalt bearing solution to yield cobalt metal, subjecting a second portion of a conditioned cobalt bearing solution to a first ion exchange to yield a second conditioned cobalt bearing solution, performing cobalt selective solution extraction on the second conditioned cobalt bearing solution to yield a refined cobalt containing liquid and, precipitating a cobalt salt by adding a precipitating agent to a first portion of the refined cobalt containing liquid. | 09-18-2014 |
