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| Number | Title | Issue Date |
| 7378005 | Electrode for electrolysis and method of manufacturing electrode for electrolysis An object is to provide an electrode for electrolysis which is preferable in generation of ozone water usable in cleaning and sterilizing of water and sewage, or cleaning in a semiconductor device manufacturing process by an electrolysis process, and a method of man... | 05/27/2008 |
| 7368191 | Electrode array for use in electrochemical cells The invention features an electrode array (7) in which pairs of electrodes (1) are geometrically arranged so that the broadest faces of the exposed electrodes are not directly opposing to each other. Rather, the broadest facing surfaces of the electrod... | 05/06/2008 |
| 7335291 | Water treating method, water treating apparatus, and hydroponics system using the apparatus There are provided a water treating method and water treating apparatus which can significantly improve an effect of eliminating microorganisms contained in water intended for drinking and cooking or waster water and a hydroponics system using the apparatus. The met... | 02/26/2008 |
| 7255725 | Porous inorganic membrane containing carbon; a process for its preparation; and use thereof A porous inorganic membrane comprises at least one inorganic phase having separating properties. Said membrane has a carbon content representing 0.05% to 25% by weight with respect to the mass of said inorganic phase and is selective to non-condensable gases. It is ... | 08/14/2007 |
| 7241390 | Method and system for biologic decontamination of a vessel's ballast water A system for elimination of unwanted species from contaminated ship ballast water. The apparatus comprises an electrolytic cell containing at least one pair of electrodes, electric alternating current, and parallel perforated electrodes, for providing an effective a... | 07/10/2007 |
| 7232507 | High volumetric efficiency electrochemical cell design for treatment of low concentrations of contaminants in low conductivity water An electrochemical cell design is disclosed for the particular application of the electrochemical treatment of contaminants in water. The cell is designed to allow the treatment of low concentrations of contaminants in low conductivity water efficiently, and to be s... | 06/19/2007 |
| 6908541 | Electrolytic catalytic oxidation system A method and system for electrolysis of water to increase the dissolved oxygen content, raise oxidation reduction potential, and perform direct oxidation of dissolved contaminants in situ. This is accomplished by an electrolytic catalytic oxidation (ECO) cell having... | 06/21/2005 |
| 6719893 | Method for removing phosphorus from water to be treated using an electric field Phosphorus is removed from water to be treated by immersing electrodes into a tank filled with the water to be treated, applying a DC voltage between the electrodes to generate hydroxide ions through a cation migration in the water and/or an electrolysis, and precip... | 04/13/2004 |
| 6709567 | REDOX water treatment system An apparatus for treating a flow of water containing contaminants includes first and second permeable electrodes and a power supply is coupled to each of the first and second permeable electrodes to create an electrical potential therebetween. The first and second p... | 03/23/2004 |
| 6689262 | Microbubbles of oxygen An oxygen emitter which is an electrolytic cell is disclosed. When the anode and cathode are separated by a critical distance, very small microbubbles and nanobubbles of oxygen are generated. The hydrogen forms bubbles at the cathode, which bubbles rise t... | 02/10/2004 |
| 6673229 | Electrochemical apparatus and process for purification of fluids The invention relates to an apparatus for purifying fluids comprising at least one electrochemical cell having a cathode (3), an anode (5) and an electrolyte (7), said cathode (3) comprising a metal complex, ML, where M represents a metal and L represents... | 01/06/2004 |
| 6605203 | Electrode apparatus There is disclosed an electrode apparatus, which comprises an electrode (1) composed of a conductor through which perforations (2) are formed from a surface to a backing surface, wherein when the conductor is maintained at an electric potential sufficient... | 08/12/2003 |
| 6517699 | Method for producing polysulfides by means of electrolytic oxidation The present invention has an object to obtain a cooking liquor containing polysulfide-sulfur at a high concentration by minimizing by-production of thiosulfate ions. The present invention is a method for producing polysulfides, which comprises introducing... | 02/11/2003 |
| 6342150 | Redox water treatment system An apparatus for treating a flow of water containing contaminants includes first and second permeable electrodes and a power supply is coupled to each of the first and second permeable electrodes to create an electrical potential therebetween. The first a... | 01/29/2002 |
| 6328875 | Electrolytic apparatus, methods for purification of aqueous solutions and synthesis of chemicals Electropurification of contaminated aqueous media, such as ground water and wastewater from industrial manufacturing facilities like paper mills, food processing plants and textile mills, is readily purified, decolorized and sterilized by improved, more e... | 12/11/2001 |
| 6315886 | Electrolytic apparatus and methods for purification of aqueous solutions Electropurification of contaminated aqueous media, such as ground water and wastewater from industrial manufacturing facilities like paper mills, food processing plants and textile mills, is readily purified, decolorized and sterilized by improved, more e... | 11/13/2001 |
| 6280601 | Electrolytic method for sterilization of microorganisms and/or mineralization of organic and/or inorganic substances in ground soil This invention relates to a method for sterilizing microorganisms and/or decomposing organic and inorganic pollutants in a region of ground soil by passing a specified direct current through the contaminated soil region with a controlled voltage applied b... | 08/28/2001 |
| 6270650 | Electrolytic cell with porous surface active anode for removal of organic contaminants from water and its use to purify contaminated water A wet oxidation/reduction electrolytic cell, system, and method for the remediation of contaminated water is disclosed. A porous electrode of large surface area produces powerful oxidizing agents in situ without having to add any reagents, oxidizers, or c... | 08/07/2001 |
| 6258250 | Method to reduce or prevent scaling A method of reducing scale formation in an aqueous solution using an electrolysis apparatus which has, in an electrolysis chamber, at least two electrodes and a bipolar electrode between the two electrodes includes feeding an aqueous solution to the elect... | 07/10/2001 |
| 6224744 | Electrolytic purification of contaminated waters by using oxygen diffusion cathodes The process comprises the oxidation, in an electrolytic cell provided with at least one anodes of pollutants which contaminate wastewaters, and is characterized in that oxygen is diffused in the electrolytic cell cathode or cathodes subjected to a voltage... | 05/01/2001 |
| 6214204 | Ion-removal from water using activated carbon electrodes An electrode for deionization of water is made of a continuous activated carbon structure. The activated carbon is derived from a synthetic carbon precursor. The structure has openings, inlet and outlet ends such that water entering the inlet end passes t... | 04/10/2001 |
| 6077416 | Method for purification of waste water using an electric coagulator The invention relates to purification of waste waters and may be used for water purification from heavy non-ferrous metals, chrome and organic impurities, as well as for separation of impurities from solution. The method is performed by electric coagulati... | 06/20/2000 |
| 6036840 | Method and a reactor for electrochemical conversion of a material e.g. soot particles being insoluble in a fluid A method and a reactor for electrochemical conversion of a material (21) being insoluble in a fluid into a material being soluble in the fluid, which method comprises that a flow of the fluid is passed to a reaction zone which comprises an internal circui... | 03/14/2000 |
| 5954937 | Method and apparatus for capacitive deionization and electrochemical purification and regeneration of electrodes An electrically regeneratable electrochemical cell (30) for capacitive deionization and electrochemical purification and regeneration of electrodes includes two end plates (31, 32), one at each end of the cell (30). Two end electrodes (35, 36) are arrange... | 09/21/1999 |
| 5738778 | Method related to the sterilization of microorganisms and/or to the mineralization of organic substances including microbic metabolites in a ground region and in the ground water by means of electric current This invention relates to a method for sterilizing microorganisms and/or decomposing organic and inorganic pollutants in ground soil and ground water by means of a specified direct current applied between at least one pair of electrodes incorporated into ... | 04/14/1998 |
| 5672259 | System with electrolytic cell and method for producing heat and reducing radioactivity of a radioactive material by electrolysis An electrolytic cell, system and method for producing excess heat for use and for deactivation an actinide series metal by electrolysis in an aqueous media. The electrolytic cell includes a non-conductive housing having an inlet and an outlet and spaced a... | 09/30/1997 |
| 5662789 | Removal of organics from aqueous solutions A process is described for electrochemically "collecting" certain organic compounds from aqueous solutions in an immobilized and concentrated manner conducive to subsequent destruction. The method is applicable for organic compounds amenable to electroche... | 09/02/1997 |
| 5653861 | Electrochemical process The invention relates to a method of producing pulp comprising a step of forming green liquor containing alkali metal sulfide and alkali metal carbonate. The method further comprises a step of electrochemically treating the green liquor to oxidize at leas... | 08/05/1997 |
| 5647969 | Method and system for removing ionic species from water A process and system (100) for purifying water includes a pair of electrodes (52) with a gap (58) between the electrodes (52). The electrodes (52) are connected to a power supply (116) that places a voltage across the two electrodes (52). Raw water (51) i... | 07/15/1997 |
| 5624545 | Production of polysulphide by electrolysis of white liquor containing sulphide Sulphide-containing white liquor is treated in a continuously operating electrolytic cell having separate anode and cathode compartments separated by a partially permeable barrier. White liquor is introduced into the anode compartment of the cell, and an ... | 04/29/1997 |
| 5599437 | Electrolysis of electroactive species using pulsed current A waste solution containing electroactive species, e.g., metal ions, can be remediated to very low levels of contaminant by an electrolysis method including the steps of introducing an electrolyte containing an electroactive species into an electrolytic c... | 02/04/1997 |
| 5439567 | Process for treatment of a fluid and apparatus therefor A process for treatment of a fluid in need of treatment. The process comprising the steps of: (i) feeding the fluid in need of treatment to a fluid treatment chamber having a fluid inlet and a fluid outlet; (ii) passing the fluid in need of treatment thro... | 08/08/1995 |
| 5354438 | Separation of metal ions from aqueous solutions A process and apparatus for quantitatively and selectively separating metal ions from mixtures thereof in aqueous solution. The apparatus includes, in combination, a horizontal electrochemical flow cell containing flow bulk electrolyte solution and an aqu... | 10/11/1994 |
| 5292412 | Removal of mercury from waste streams A waste stream contaminated with mercury is purified by flowing the stream cyclically and/or sequentially through at least one electrolytic cell provided with an anode (11) and a cathode (10) made of tin, copper, silver or alloys thereof and optionally co... | 03/08/1994 |
| 5250162 | Method of reducing Ti(IV) to Ti(III) in acid solution A method of reducing Ti(IV) to Ti(III) in which the Ti(IV) in acid solution is fed to an electrochemical cell having a semi-hydrophobic gas diffusion anode to which hydrogen gas is supplied. A current is passed through the cell to effect the electrochemic... | 10/05/1993 |
| 5160417 | Electrolytic process for treatment of photographic wastewater effluent There is disclosed a system for treatment of wastewater effluent from a photographic process which produces a developer effluent, a bleach effluent and a fixer effluent. The system comprises a developer treatment zone, a bleach treatment zone and a fixer ... | 11/03/1992 |
| 5137607 | Reactor vessel using metal oxide ceramic membranes A reaction vessel for use in photoelectrochemical reactions includes as its reactive surface a metal oxide porous ceramic membrane of a catalytic metal such as titanium. The reaction vessel includes a light source and a counter electrode. A provision for ... | 08/11/1992 |
| 5108563 | Process for treatment of water and apparatus therefor A process for treating water comprises feeding water to be treated into an electrolytic cell. The electrolytic cell comprises a first electrode and a second electrode, wherein the first electrode at least partially encompasses the second electrode. The wa... | 04/28/1992 |
| 5022974 | Method and apparatus for electrolytic treatment of liquids, especially waste water An apparatus for the electrolytic treatment of liquids, a liquid containing reactants, such as waste water containing solids or liquid to be separated from water and/or containing substances to be decomposed or to be made innocuous, is passed between two ... | 06/11/1991 |
| 4929359 | Treatment of concentrated industrial wastewaters originating from oil shale and the like by electrolysis polyurethane foam interaction Highly concentrated and toxic petroleum-based and synthetic fuels wastewaters such as oil shale retort water are treated in a unit treatment process by electrolysis in a reactor containing oleophilic, ionized, open-celled polyurethane foams and subjected ... | 05/29/1990 |
