Class / Patent application number | Description | Number of patent applications / Date published |
205345000 | Utilizing plural distinct electrolytic cells where the cells are separate containers | 25 |
20120234689 | Electrochemical Process for the Preparation of Nitrogen Fertilizers - A method for producing fertilizers comprising feeding gaseous reactants comprising at least one nitrogen source and a source of hydrogen selected from the group consisting of a hydrogen-containing salt, a hydrogen-containing compound, and a hydrogen-containing gas to a reactor, the reactor including at least one reaction chamber, at least one anode, at least one cathode, and at least one electrolyte between each at least one anode and each at least one cathode, providing electricity to drive anodic and cathodic reactions, and producing a fertilizer having nitrogen by providing a nitrogen source of the at least one nitrogen source and at least one carbon source to the at least one cathode and a nitrogen source of the at least one nitrogen source to the at least one anode. | 09-20-2012 |
20130175181 | Integrated Process for Producing Carboxylic Acids from Carbon Dioxide - The present disclosure is a method and system for production of carboxylic based chemicals, including carboxylic acids and salts. A method for producing at oxalic acid may include receiving an anolyte feed at an anolyte region of an electrochemical cell including an anode and receiving a catholyte feed including carbon dioxide and an alkali metal hydroxide at a catholyte region of the electrochemical cell including a cathode. Method may include applying an electrical potential between the anode and cathode sufficient to reduce the carbon dioxide to at least one reduction product and converting the at least one reduction product and the alkali metal hydroxide to an alkali metal oxalate via a thermal reactor. The method may further include receiving the alkali metal oxalate at an electrochemical acidification electrolyzer and converting the alkali metal oxalate to oxalic acid at the electrochemical acidification electrolyzer. | 07-11-2013 |
20130292257 | Integrated Process for Producing Carboxylic Acids from Carbon Dioxide - The present disclosure is a method and system for production of carboxylic based chemicals, including carboxylic acids and salts. A method for producing at oxalic acid may include receiving an anolyte feed at an anolyte region of an electrochemical cell including an anode and receiving a catholyte feed including carbon dioxide and an alkali metal hydroxide at a catholyte region of the electrochemical cell including a cathode. Method may include applying an electrical potential between the anode and cathode sufficient to reduce the carbon dioxide to at least one reduction product and converting the at least one reduction product and the alkali metal hydroxide to an alkali metal oxalate via a thermal reactor. The method may further include receiving the alkali metal oxalate at an electrochemical acidification electrolyzer and converting the alkali metal oxalate to oxalic acid at the electrochemical acidification electrolyzer. | 11-07-2013 |
20130341200 | SERIES CELL ELECTROCHEMICAL PRODUCTION OF MODIFIED ANOLYTE SOLUTION - A membrane-based electrochemical cell produces a first anolyte solution and a membrane-less electrochemical cell processes the first anolyte solution to produce a modified anolyte solution. | 12-26-2013 |
20130341201 | PARALLEL CELL ELECTROCHEMICAL PRODUCTION OF MODIFIED ANOLYTE SOLUTION - A membrane-based electrochemical cell produces a first anolyte solution and a membrane-less electrochemical cell produces a bleach solution such as from a brine solution. The first anolyte solution and bleach solution are combined to form a modified anolyte solution. A dual electrochemical cell device includes two segments, one having a membrane-based electrochemical cell and the other having a membrane-less electrochemical cell, separated by a partition, and secured together into a single, unitary structure. | 12-26-2013 |
20140021057 | METHOD FOR SIMULTANEOUS ELIMINATION OF ORTHOPHOSPHATE AND AMMONIUM USING ELECTROLYTIC PROCESS - The present invention provides a method for the treatment of nitrogen-rich effluent and production of struvite comprising introducing the effluent in an electrolytic system and performing a first electrolytic treatment to the effluent in a first electrolytic reactor in order to organic matter that impact on nucleation of struvite, followed by a second electrolytic treatment in a second electrolytic reactor, thereby injecting Mg ions which react with NH | 01-23-2014 |
20140027300 | PROCESS FOR PREPARING AN ALKALI METAL - Process for preparing an alkali metal from a salt of the alkali metal which is soluble in a solvent, including a first electrolysis, a concentration, and a second electrolysis. The first electrolysis produces a product mixture. This product mixture is then concentrated to give a largely solvent-free alkali metal (poly)sulfide melt. A second electrolysis at a temperature above the melting point of the alkali metal is then performed in a second electrolysis cell comprising an anode space and a cathode space, separated by a solid electrolyte which conducts alkali metal cations. The alkali metal (poly)sulfide melt from the concentration step is fed to the anode space. Sulfur is removed from the anode space and liquid alkali metal is removed from the cathode space. | 01-30-2014 |
20140144785 | ENERGY MANAGEMENT SYSTEM, INDUSTRIAL PLANT COMPRISING AN ENERGY MANAGEMENT SYSTEM AND METHOD FOR OPERATING AN ENERGY MANAGEMENT SYSTEM - An energy management system includes a control unit and an electrolysis system having an alkaline electrolysis unit and a PEM electrolysis unit. The control unit controls the electrolysis units independently of one another in such a way that a performance adjustment of an overall performance of the electrolysis system is particularly dynamic. | 05-29-2014 |
20140202872 | Electrolyzing System - An electrolyzing system for electrolyzing a brine solution of water and an alkali salt to produce acidic electrolyzed water and alkaline electrolyzed water is provided. The system includes an internal chamber for receiving the brine solution and two electrolyzer cells immersed in a brine bath. Each electrolyzer cell includes an electrode, at least one ion permeable membrane supported relative to the electrode to define a space communicating between a fresh water supply and a chemical outlet into which brine enters only through the membrane. One of the electrodes is coupled to a positive charging electrical supply and the other to a negative charging electrical supply. | 07-24-2014 |
20150322580 | TREATMENT OF HYDROGEN SULFIDE - A chemical process captures and convert hydrogen sulfide (H | 11-12-2015 |
20160145749 | A HYDROGEN GAS GENERATION SYSTEM, AND PROCESS FOR THE ELECTROCATALYTIC PRODUCTION OF HYDROGEN GAS. - “A hydrogen gas generation system, and process for the electrocatalytic production of hydrogen gas” | 05-26-2016 |
205346000 | Including decomposing or purifying cell | 6 |
20120138475 | APPARATUS AND METHOD FOR REDUCTION OF A SOLID FEEDSTOCK - In a method for reduction of a solid feedstock, such as a solid metal compound, in an electrolytic apparatus a portion of the feedstock is arranged in each of two or more electrolytic cells ( | 06-07-2012 |
20130098773 | DEVICE FOR EXTRACTING SHORT-CIRCUITING WEDGES DESIGNED FOR SWITCHING IN AN ELECTROLYSIS CELL FOR THE PRODUCTION OF ALUMINUM - Extraction device designed to extract a short-circuiting wedge inserted between two conductors to take an electrolysis cell offline. The extraction device includes a means of gripping said wedge and, in conjunction with the upper horizontal face of each conductor, at least one jack directed vertically and including a body and a stem,
| 04-25-2013 |
20130284606 | ELECTROCHEMICAL PROCESS FOR CONVERSION OF BIODIESEL TO AVIATION FUELS - Methods for the conversion of a biofuel such as biodiesel into an alkane composition such as an aviation fuel, kerosine, or liquified petroleum gas product involve a series of electrochemical reactions. The reactions include oxidation of methanol to carbon dioxide, reduction of fatty acid esters, and cleavage of fatty acid chains at C═C double bonds. The methods are carried out by systems of two or more electrochemical reactors. | 10-31-2013 |
20150144498 | DEVICE AND APPARATUS FOR CARRYING OUT CHEMICAL DISSOCIATION REACTIONS AT ELEVATED TEMPERATURES - A reactor is provided which comprises: a plurality of reaction units located within a reaction zone, each of the reaction units being adapted to enable carrying out a chemical reaction of one or more raw gases (e.g. at least one of CO2 and H20); ingress means to allow introduction of the one or more raw gases into the reaction zone and to allow distributing the incoming gas to the plurality of reaction units; egress means to allow exit of reaction products from the reaction zone; and a heating system. The reaction units extend essentially along a longitudinal axis of the reaction zone and are arranged in a spaced-apart relationship along a lateral axis of the reaction zone. The heating system comprises a plurality of heating sources extending along the reaction zone, thereby providing at least a part of the energy to carry out the reaction process within the reaction units. | 05-28-2015 |
20160017503 | Method and System for Electrochemical Reduction of Carbon Dioxide Employing a Gas Diffusion Electrode - The present disclosure is a method and system for the reduction of carbon dioxide. The method may include receiving hydrogen gas at an anolyte region of an electrochemical cell including an anode, the anode including a gas diffusion electrode, receiving an anolyte feed at an anolyte region of the electrochemical cell, and receiving a catholyte feed including carbon dioxide and an alkali metal bicarbonate at a catholyte region of the electrochemical cell including a cathode. The method may include applying an electrical potential between the anode and cathode sufficient to reduce the carbon dioxide to at least one reduction product. | 01-21-2016 |
20160024668 | METHODS FOR THE ELECTROLYTIC DECARBOXYLATION OF SUGARS - Methods for decarboxylating carbohydrate acids in a divided electrochemical cell are disclosed using a cation membrane. The improved methods are more cost-efficient and environmentally friendly than conventional methods. | 01-28-2016 |
205347000 | Identical plural distinct cells | 8 |
20100187124 | Process for regenerating alkali metal hydroxides by electrochemical means - This invention relates to the desulfurization of a hydrocarbon feedstock by contacting said feedstock with an aqueous metal hydroxide solution, thus resulting in a desulfurized feedstock and an aqueous metal sulfide stream. In the present invention, the aqueous metal sulfide stream is split into at least three fractions and each fraction is passed to a different electrochemical cell, connected in series to regenerate the metal hydroxide required in the desulfurization process and recover sulfur, metal hydroxide, and hydrogen. In a preferred embodiment, at least a portion of the metal hydroxide that is produced in the electrochemical metal hydroxide regeneration process of the present invention is recycled for use in the process for desulfurizing the sulfur-containing hydrocarbon feedstock. | 07-29-2010 |
20100206741 | PROCESS FOR MULTIPLE STAGE DIRECT ELECTROWINNING OF COPPER - A system and process for recovering copper from a copper-containing ore, concentrate, or other copper-bearing material to produce high quality cathode copper from a leach solution without the use of copper solvent/solution extraction techniques or apparatus. A process for recovering copper from a copper-containing ore generally includes the steps of providing a feed stream containing comminuted copper-containing ore, concentrate, or other copper-bearing material, leaching the feed stream to yield a copper-containing solution, conditioning the copper-containing solution through one or more physical or chemical conditioning steps, and electrowinning copper directly from the copper-containing solution in multiple electrowinning stages, without subjecting the copper-containing solution to solvent/solution extraction prior to electrowinning. | 08-19-2010 |
20130146472 | Apparatus and method for generating a stabilized sanitizing solution - The present invention provides a method utilizing Cylindrical Electrolysis cells for the generation of Hypochlorous Acid (HOCL) solutions having excellent sanitizing properties and a shelf life of 24 months when bottled. The electrolysis cells consist of at least two cylindrical electrodes with at least one cylindrical ion-selective membrane arranged co-axially between them. A cation-selective or anion-selective membrane separates the cathode chamber from the anode chamber allowing only selective ions to move from one chamber to another. A three section end piece facilitate the assembly of the cylindrical electrolysis cell and enables easy inspection and replacement of the ion-selective membranes. The method allows production of different concentrations of Hypochlorous Acid solutions with a pH value ranging from 3.5 to 7.5 and an Redox Oxidation Potential between +700 and +1200 mV when an aqueous sodium chloride or potassium chloride solution is treated. | 06-13-2013 |
20130256149 | MICROBIAL ELECTROLYSIS CELLS AND METHODS FOR THE PRODUCTION OF CHEMICAL PRODUCTS - A microbial electrolysis cell having a brush anode is described. A method of producing products, such as hydrogen, at the cathode of the microbial electrolysis cell is also provided. The microbial electrolysis cell is configured in a cylindrical shape having an anode, cathode and anion exchange membrane all disposed concentrically. A brush anode spirally wound around the outside of the cylindrical microbial electrolysis cell is described. The method may include sparging the anode and/or cathode with air in some cases. In addition, CO | 10-03-2013 |
20150034493 | METHOD AND APPARATUS FOR PRODUCING GAS - This invention relates to electrolysis apparatus | 02-05-2015 |
20150075997 | POWER-FREE APPARATUS FOR HYDROGEN GENERATION FROM ALCOHOL - An apparatus and method for generating low pressure hydrogen gas from fuel solutions (i.e., alcohols) without the use of an external power source or external heat source. The apparatus comprises (a) a first chamber for fuel storage having an aperture, (b) a second chamber for the temporary storage of hydrogen gas generated having an aperture, (c) a first electrochemical cell (Cell-1) and (d) a second electrochemical cell (Cell-2). Cell-2 is disposed between the first chamber and the second chamber so that its anode is in fluid communication with the first chamber and its cathode is in fluid communication with the second chamber. Cell-1 is disposed on the opposite side of the first chamber from Cell-2 so that the anode therein is in fluid communication with the first chamber, and the cathode therein is in fluid communication with an oxidizing agent. The first chamber is sandwiched between Cell-1 and Cell-2. An air convection window or like device making ambient air available to the apparatus via Cell-1 is positioned on the side of Cell-1 opposite the fuel chamber. In operation, fuel is provided to the first chamber, the anode of Cell-1 is connected to the cathode of Cell-2, and the cathode of Cell-1 is connected to the anode of Cell-2, and hydrogen gas is continuously generated from the hydrogen chamber. The present invention may be used at room temperature. | 03-19-2015 |
20160040311 | A PROCESS FOR PRODUCING CO FROM CO2 IN A SOLID OXIDE ELECTROLYSIS CELL - The invention concerns a process for producing carbon monoxide (CO) from carbon dioxide (CO | 02-11-2016 |
20160122881 | Recovery of Tritium from Molten Lithium Blanket - Electrochemical cells and methods are described that can be utilized for the recovery of tritium directly from a molten lithium metal solution without the need for a separation or concentration step prior to the electrolytic recovery process. The methods and systems utilize an on conducting electrolyte that conducts either lithium ion or tritide ion across the electrochemical cell. | 05-05-2016 |