Class / Patent application number | Description | Number of patent applications / Date published |
205618000 | Halogen produced | 25 |
20100314261 | Oxygen-Consuming Zero-Gap Electrolysis Cells With Porous/Solid Plates - An electrolysis stack ( | 12-16-2010 |
20110042231 | PROCESS FOR THE REDUCTION OF OXYGEN - Process for the reduction of oxygen in aqueous chlorine- and/or chloride-containing solutions in the presence of a catalyst comprising nitrogen-doped carbon nanotubes. | 02-24-2011 |
20110139629 | ELECTRODE MATERIAL, ELECTRODE, AND METHOD FOR HYDROGEN CHLORIDE ELECTROLYSIS - An electrode material, an electrode and a process for hydrogen chloride electrolysis based on platinum metal as catalyst, in which the electrode material has a nanosize mixture of platinum particles and silver particles, is described. | 06-16-2011 |
20110180419 | INTEGRATED METHOD FOR PRODUCING CHLORINE - The invention relates to a process for preparing chlorine in three process steps, wherein a catalytic oxidation of hydrogen chloride to chlorine over a uranium oxide catalyst is performed in a first process step, the chlorine formed is at least partly removed in a second step, and an electrochemical oxidation of hydrogen chloride to chlorine is performed in a third process step. | 07-28-2011 |
20130020206 | SUPPORT OF ION EXCHANGE MEMBRANES - A support member for an improved three-chambered electrolytic cell is disclosed. A porous synthetic support system for exchange membranes in electrolytic cells is used for exchange membrane protection in electrolytic cells for the in situ generation of electrolysis solutions, such as bleach or hypochlorous acid. | 01-24-2013 |
20130256151 | ELECTROLYSER WITH COILED INLET HOSE - Electrolyser comprising at least one single electrolyser element which comprises at least one anode compartment with an anode, one cathode compartment with a cathode and one ion exchange membrane arranged between the anode and the cathode compartments, with the anode and/or cathode being a gas diffusion electrode. A gap is provided between the gas diffusion electrode and the ion exchange membrane, with an electrolyte inlet arranged at the upper end of the gap and an electrolyte outlet at the lower end of the gap and a gas inlet and a gas outlet. The electrolyte outlet extending into a discharge header, and the electrolyte inlet connected to an electrolyte feed tank and having an overflow, the overflow connected to the discharge header, with a coiled hose connecting the electrolyte feed tank with the electrolyte inlet and with a coiled hose connecting the overflow with the discharge header. | 10-03-2013 |
205619000 | Fluorine, bromine, or iodine produced | 7 |
20090152125 | FLUORINE SEPARATION AND GENERATION DEVICE - A process and apparatus for the electrolytic separation of fluorine from a mixture of gases is disclosed. Also described is the process and apparatus for the generation of fluorine from fluorine/fluoride containing solids, liquids or gases. | 06-18-2009 |
20090308759 | BROMINE-BASED METHOD AND SYSTEM FOR CONVERTING GASEOUS ALKANES TO LIQUID HYDROCARBONS USING ELECTROLYSIS FOR BROMINE RECOVERY - A variety of methods and systems are disclosed herein, including, in one embodiment, a method comprising: providing a stream comprising halogenated alkanes; forming synthesis products comprising hydrocarbons and hydrogen bromide from synthesis reactants comprising at least a portion of the halogenated alkanes; and recovering at least a portion of the bromine, the recovering comprising electrolysis. | 12-17-2009 |
20100126875 | ELECTROLYZER, ELECTRODES USED THEREFOR, AND ELECTROLYSIS METHOD - An electrolyzer is comprised of an anode and a cathode which are in contact with an electrolytic solution, wherein at least one of the anode and the cathode is composed of an electric conductor having a gas permeable structure comprising a gas generating surface at which gas is generated by electrolysis of the electrolytic solution, a plurality of through holes leading from the gas generating surface to a different surface and allowing the gas generated on the gas generating surface to selectively pass therethrough, and a gas releasing surface which is the different surface for releasing the gas supplied from the gas generating surface via the through holes. At least one of a surface treatment which causes the gas generating surface to be lyophilic for the electrolytic solution and a surface treatment which causes the gas releasing surface to be lyophobic for the electrolytic solution is performed. | 05-27-2010 |
20110253553 | Method of Operating Metal-Bromine Cells - A method for generating molecular bromine in bromide-containing electrolyte solution suitable for use in a metal bromine cell, involves chemically oxidizing bromide (Br | 10-20-2011 |
20120305407 | NANOPOROUS MATERIALS FOR REDUCING THE OVERPOTENTIAL OF CREATING HYDROGEN BY WATER ELECTROLYSIS - Disclosed is an electrolyzer including an electrode including a nanoporous oxide-coated conducting material. Also disclosed is a method of producing a gas through electrolysis by contacting an aqueous solution with an electrode connected to an electrical power source, wherein the electrode includes a nanoporous oxide-coated conducting material. | 12-06-2012 |
20130233723 | Electrolyzer Apparatus - An electrolyzer apparatus for the electrolytic manufacture of elemental F | 09-12-2013 |
20140262818 | PROCESSES FOR PREPARING N-ETHYL-2-METHYLPYRIDINIUM BROMIDE AND N-ETHYL-3-METHYLPYRIDINIUM BROMIDE - A process for preparing an aqueous solution of N-ethyl-2-methylpyridinium bromide (2-MEPy), comprising reacting 2-picoline and ethyl bromide in a pressure reactor at a temperature above the melting point of the reaction mixture, combining the reaction product with water, wherein said reaction product consists essentially of 2-MEPy in a liquid form, and recovering an aqueous solution of 2-MEPy. | 09-18-2014 |
205620000 | Chlorine and hydrogen produced | 6 |
20110005938 | ELECTROLYSIS CELL FOR HYDROGEN CHLORIDE ELECTROLYSIS - Apparatus for hydrogen chloride electrolysis, comprising a cathode that has a layer of nitrogen-doped carbon nanotubes having functional groups containing nitrogen. | 01-13-2011 |
20120085659 | PROCESS AND APPARATUS FOR THE ELECTROLYSIS OF AN AQUEOUS SOLUTION OF HYDROGEN CHLORIDE OR ALKALI CHLORIDE IN AN ELECTROLYTIC CELL - In a process for chlorine-alkali electrolysis, use is made of an oxygen depletion cathode. The process is run with a high excess of oxygen. The oxygen needed for this is provided for a device of the gas separation, for example a VPSA plant or an air fractionation plant. The large quantities of oxygen produced lead to considerable costs of the process. According to the invention, the oxygen-rich atmosphere remaining after passing through the process is fed back into the device for gas separation as input gas. The device the gas separation is therefore operated with an oxygen-rich input gas and therefore produces a larger quantity of oxygen-rich gas, which in turn is fed to the oxygen depletion cathode. As a result of the circulation of the gas, the economy of the overall process is increased considerably. | 04-12-2012 |
20120186990 | 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 (anolyte in the case of the membrane process) 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 |
20140291164 | METHOD AND DEVICE FOR DISINFECTANT PRODUCTION - The present invention relates to a technology for producing the production of disinfectants by diaphragm electrolysis of the aqueous solution of sodium chloride. Disinfectants are used in agriculture, public health care and medical institutions, public water supply systems and elsewhere. | 10-02-2014 |
20150321929 | METHOD FOR IMPARTING FILTERING CAPABILITY IN ELECTROLYTIC CELL FOR WASTEWATER TREATMENT - An electrolytic cell, system, and method for the energy efficient electrochemical treatment of wastewater comprising organic and/or inorganic pollutants are disclosed. The system comprises an electrolytic cell comprising a solid polymer, proton exchange membrane electrolyte operating without catholyte or other supporting electrolyte. The electrolytic cell also comprises a filter layer incorporated between the anode fluid delivery layer and the anode flow field plate for removing various contaminants including particulates and/or suspended solids from the wastewater stream. The cell design and operating conditions chosen provide for significantly greater operating efficiency. | 11-12-2015 |
205621000 | Utilizing specified metal or alloy cathode | 1 |
20110226634 | BISMUTH METAL OXIDE PYROCHLORES AS ELECTRODE MATERIALS FOR ELECTROLYTIC OZONE AND PERCHLORATE GENERATION - Novel bismuth based mixed metal oxide materials with pyrochlore structure are disclosed as anodes for electrolytic generation of ozone and perchlorate salts. These materials have high electrical conductivity and excellent stability in acidic electrolytes. These materials are more environmentally friendly than lead dioxide and less expensive than platinum. | 09-22-2011 |
205622000 | Utilizing specified electrode other than graphite or inorganic carbon | 6 |
20100059389 | Electrode for Membrane Electrolysis Cells - The invention relates to an electrode for membrane electrolysis cells comprising a grooved metal support favouring the gas release and the electrolyte renewal on its surface. The grooved geometry of the support may be obtained by erosion of a metal sheet with abrasive media in a continuous process. | 03-11-2010 |
20100108537 | ELASTIC CURRENT COLLECTOR FOR ELECTROCHEMICAL CELLS - The invention relates to a current collector for electrochemical diaphragm or membrane-type cells, comprising a layer obtained by interlacing or weaving of a multiplicity of first sets of metal wires with a multiplicity of single metal wires or of second sets of metal wires and provided with substantially parallel corrugations. Such layer is coupled to a planar element consisting of a cloth or a flattened stocking formed by weaving of a single metal wire. The current collector is characterised by a low angular coefficient of the pressure/thickness ratio over a wide range of compression levels. | 05-06-2010 |
20130087465 | ELECTRODE FOR ELECTROLYSIS CELLS - An electrode of an electrolysis cell for gas-producing electrochemical processes, which includes a plurality of horizontal lamella elements which in the manner of a flat C-profile consist of a flat central part and one or more flank parts, where one or more transition regions of any shape are arranged between the flat central part and the one or more flank parts, where the lamella elements have a plurality of through-openings, where the lamella elements have a flat surface without structural raised regions and depressions and the flat central part has a plurality of through-openings which are arranged in rows and arranged diagonally to one another. | 04-11-2013 |
205625000 | Coated electrode | 3 |
20120103828 | ELECTRODE FOR ELECTROLYTIC CHLORINE PRODUCTION - The present invention relates to an electrode comprising an electrically conductive substrate and a catalytically active layer, wherein the catalytically active layer is based on two catalytically active components and comprises iridium, ruthenium or titanium as metal oxide or mixed oxide or mixtures of the oxides, wherein the total content of ruthenium and/or iridium based on the sum of the elements iridium, ruthenium and titanium is at least 10 mol %, and wherein the electrode comprises at least one oxidic base layer which is applied to the electrically conductive substrate and is impermeable to aqueous electrolytes comprising NaCl and/or NaOH and/or HCl. | 05-03-2012 |
20120132539 | METHODS FOR ELECTROCHEMICAL DECHLORINATION OF ANOLYTE BRINE FROM NaCl ELECTROLYSIS - Methods for the reductive post-treatment of NaCl-containing solutions, wherein such methods comprise: providing a NaCl-containing solution obtained from an anode side of an NaCl electrolysis cell, the solution comprising reducible components; and subjecting the solution to cathodic electrochemical reduction. | 05-31-2012 |
20160168733 | CHLORINE EVOLUTION ANODE | 06-16-2016 |