Class / Patent application number | Description | Number of patent applications / Date published |
210748160 | Including chemical treatment | 55 |
20110233144 | SOLIDS REMOVAL SYSTEM AND METHOD - The present invention is directed to a method and apparatus for improved separation or clarification of solids from a solids-laden liquid. Entrained gasses can also be removed. A liquid to be treated is introduced into the inlet of a solid-liquid separator modified to include one or more sources of vibrational energy. The liquid to be treated is directed through a conduit within the separator. Preferably the conduit within the separator is configured into a tortuous flow path to assist in the separation of solids from the liquid. Vibrational energy is applied to the flow path, preferably through the flow path conduit. As solids fall out of solution, they are collected. The clarified liquid is also collected. A vacuum can be applied to the system to assist in moving the solid-liquid mixture through the system and to provide vacuum clarification. Electrocoagulation electrodes and gas sparging can also be employed. | 09-29-2011 |
20120138545 | LED Fluid Purification System and Method - Provided herein are systems and methods for the treatment and purification of fluids (e.g., water) using a light-emitting diode (LED) light source. In one embodiment, for example, there is provided a fluid flow conduit having an LED light source and a photo-catalytic material disposed therein. The LED light source emits ultraviolet light with a peak wavelength between about 265 nm and about 400 nm. In operation, the photo-catalytic material absorbs the ultraviolet light from the LED light source, and releases free radicals into the fluid. The free radicals then degrade organic substances (e.g., bacteria) in the fluid. | 06-07-2012 |
20130008857 | PHOTOCATALYTIC REACTOR AND METHODS OF USE - The present invention provides an apparatus and method for carrying out a photocatalytic reaction. The apparatus comprises a reaction chamber having a longitudinal axis and comprising a fluid inlet and a fluid outlet displaced in a longitudinal direction. A bearing surface is provided for a layer of mobile photocatalyst particles disposed between the fluid inlet and the fluid outlet, and a reactant fluid flowing between the fluid inlet and the fluid outlet contacts the layer of mobile photocatalyst particle. A formation is provided to redirect the fluid flow through the layer of mobile photocatalyst particles to increase the contact of the fluid with the layer of mobile photocatalyst particles. | 01-10-2013 |
20130032547 | STABILIZATION AND DISINFECTION OF WASTES USING HIGH ENERGY E-BEAM AND CHEMICAL OXIDANTS - Methods relating to the synergistic application of chemical oxidants and E-beam radiation including methods of treating water and biosolids comprising providing a quantity of water or biosolid; treating the quantity of water or biosolid with a chemical oxidant; and treating the quantity of water or biosolid with E-beam radiation. | 02-07-2013 |
20130105406 | EVAPORATIVE RECIRCULATION COOLING WATER SYSTEM, METHOD OF OPERATING AN EVAPORATIVE RECIRCULATION COOLING WATER SYSTEM | 05-02-2013 |
20130264292 | DEVICE AND METHOD FOR TREATING LIQUIDS BY MEANS OF OZONE - A device and a method for treating liquids by ozone, including a pipe in which a main flow of the liquid is guided in a flow direction from an inlet to an outlet, an ozone feed point at which ozone can be introduced in gas form into the main flow, and at least two mixers which are located downstream of the ozone feed point, wherein the mixers are arranged at a distance from one another, and wherein at least one reaction zone is formed between the mixers, and wherein the mixers are designed in such a way that they each dissolve only a portion of the ozone in the main flow that has been introduced in gas form. | 10-10-2013 |
20140246380 | EXTENDED-LIFE OIL MANAGEMENT SYSTEM AND METHOD OF USING SAME - An oil management system to reduce and remove the amount of soot, rust or other contaminating particles in oil used in an engine, the oil management system comprising an oil filter assembly including a filter element and an additive cartridge, the additive cartridge configured to provide a means for continuously dispersing a small quantity of additive into the oil; an oxidation prevention means to prevent or diminish oxidation of metal in the oil management system; and an oil condition monitoring sensor to measure various aspects of the oil in the oil management system. | 09-04-2014 |
20140263093 | PULSE CAVITATION PROCESSOR AND METHOD OF USING SAME - A liquid treatment apparatus includes a supply chamber for receiving a fluid, a discharge chamber for discharging the fluid, and a cavitation generating chamber extending from the supply chamber to the discharge chamber. The cavitation generating chamber is operable to generate cavitation bubbles. A method of treating a liquid comprises directing a fluid from a supply chamber into a cavitation generating chamber by constricting the fluid through an orifice, wherein the orifice has a cross dimension that is substantially less than a cross dimension of the supply chamber, such that a fluid jet is formed. The method further includes allowing the fluid jet to expand downstream of the orifice such that the velocity of the fluid is reduced so that the jet axial velocity head at the chamber outlet is less than the difference between the static pressure within the discharge chamber and the vapor pressure of the fluid. The method also includes discharging the fluid into a discharge chamber via a chamber outlet. | 09-18-2014 |
20140291257 | LIQUID TREATMENT REFINING AND RECYCLING - A water treatment device and related method of operation may include receiving used, dirty and/or waste water from a well or other source of water. The water may then be prepared for a voltage treatment by injecting a gas into the water, treating the water with pH adjustments and then applying a voltage to the water in order to remove the sediment from the water to provide a recycled water for continued use. | 10-02-2014 |
20150307372 | APPARATUS AND METHOD FOR TREATING BALLAST WATER - The present invention relates to an apparatus and a method for treating ballast water. The object of the present invention is to provide an apparatus and a method for precisely controlling the production, injection, and removal of disinfectants using electrolysis according to the flow rate of ballast water, wherein the ballast water flows into a ballast tank or is discharged from the ballast tank in order to manage the ballast water or ships so that the destruction or disruption of marine ecosystems can be prevented. For the above-mentioned object, the present invention provides an apparatus for treating ballast water and a treatment method using the same, wherein the apparatus includes: an electrolysis module ( | 10-29-2015 |
210748170 | Generating treatment chemical by electrical energy | 45 |
20100181261 | Aqueous environment treatment apparatus and method - A treatment apparatus is provided that may include a frame and a buoyancy member carried by the frame. The buoyancy member is configured for causing the frame to float at the surface of a body of water. An electronic homeopathic treatment device is carried by the frame and configured for delivering an electronic homeopathic treatment to the body of water. | 07-22-2010 |
20110084031 | TREATMENT OF A WASTE STREAM THROUGH PRODUCTION AND UTILIZATION OF OXYHYDROGEN GAS - Methods and systems for reducing a redox active contaminant in a waste stream in a waste treatment system involve performing a unit process of the waste treatment system by contacting redox active contaminant in the waste stream with oxyhydrogen-rich gas generated on-site by an oxyhydrogen gas generator that implements water dissociation technology. The oxyhydrogen gas generator involves applying a pulsed electrical signal to a series of closely spaced electrodes that are submerged in the waste stream to produce oxyhydrogen-rich gas from a water component of the waste stream. Operation of the oxyhydrogen gas generator in the waste stream may accomplish one or more unit processes for waste treatment, such as oxidation, stripping, floatation, disinfection, conditioning, stabilization, thickening, and dewatering, among others. | 04-14-2011 |
20110100927 | METHODS AND COMPOSITIONS FOR REDUCING CHLORINE DEMAND, DECREASING DISINFECTION BY-PRODUCTS AND CONTROLLING DEPOSITS IN DRINKING WATER DISTRIBUTION SYSTEMS - Methods and compositions for improving water quality by reducing chlorine demand, decreasing disinfection by-products and controlling deposits in drinking water distribution systems include adding low concentrations of supplemental oxidants, for example, RE-Ox® to the systems. | 05-05-2011 |
20110226704 | Wastewater Treatment Onboard Small Marine Vessels - Methods, apparatus and systems for treating wastewater onboard small marine vessels. A pre-determined volume of wastewater generated onboard the vessel is mixed with a larger volume of seawater. This mixture is disinfected and subjected to further oxidation. The excess oxidants are neutralized and the treated effluent is discharged overboard the vessel. | 09-22-2011 |
20110240567 | METHOD AND APPARATUS FOR APPLYING PLASMA PARTICLES TO A LIQUID AND USE FOR DISINFECTING WATER - The invention provides a method and apparatus for creating plasma particles and applying the plasma particles to a liquid. Liquid feedstock (e.g., water and/or hydrocarbons mixed with biomass) is pumped through a pipeline; the single-phase stream is then transformed into a biphasic liquid-and-gas stream inside a chamber. The transformation is achieved by transitioning the stream from a high pressure zone to a lower-pressure zone. The pressure drop may occur when the stream further passes through a device for atomizing liquid. Inside the chamber, an electric field is generated with an intensity level that exceeds the threshold of breakdown voltage of the biphasic medium leading to a generation of a plasma state. Furthermore, the invention provides an energy-efficient highly adaptable and versatile method and apparatus for sanitizing water using plasma particles to inactivate biological agents contaminating water. | 10-06-2011 |
20120103918 | Chlorinator For Portable Spas - An oxidizer generating apparatus having a housing with a fluid inlet at a first end, the inlet leading to a chamber, and a lid attachable to a second end of the housing for closing the chamber. First and second pairs of electrodes are attached to the lid so as to suspend them within the chamber in position to generate chlorine and/or other oxidants from fluid pumped through the housing. | 05-03-2012 |
20130140245 | DIRECT CONTACT CELL - A direct contact cell is useful for the purification of water and sterilization of organics and inorganics used in water purification systems, such as waste water reuse. Specifically, this direct contact cell is useful for the treatment of flow back and produced waters in the oil and gas industry and also the mining industry, for the destruction of pathogens, heavy metals, suspended solids, iron, cyanide fats and organic material. The direct contact electrolytic cell allows a single passage through the cell to handle flow rates of up to 42 gallons per minute. The cell provides a plurality of separate anodes disposed with the cell and cathodes in front of and behind the anodes and can be operated at high voltages. | 06-06-2013 |
20130220943 | Method for treating untreated salt water for producing treated water, thus produced treated water and device for carrying out said method - The present invention relates to a method of treating an untreated saline water (RW), a process water (PW) thereby produced, and a device for carrying out said method. The method includes the steps of: a) furnishing the untreated water (RW); b) producing a mixture (M) by mixing the untreated saline water (RW) with an aqueous solution (HL) containing hydroxide ions; c) sedimenting the solid (FS) forming from the mixture (M) with concurrent formation of an essentially clear supernatant (U); and d) withdrawing process water (PW) from the essentially clear supernatant (U). | 08-29-2013 |
20140054242 | LIQUID TREATING APPARATUS AND LIQUID TREATING METHOD - A plasma-generating apparatus includes a first electrode of which at least a part is positioned within a treatment vessel that is to contain liquid, a second electrode of which at least a part is positioned within the treatment vessel, a bubble-generating part which generate a bubble when the liquid is contained in the treatment vessel, such that a surface where conductor is exposed, of a surface of the first electrode which surface is positioned within the treatment vessel, is positioned within the bubble, a gas-supplying apparatus, a power supply for applying voltage between the first electrode and the second electrode. | 02-27-2014 |
20140158637 | Process For Generating Oxygenated Water - A method for increasing the quantity of dissolved oxygen in water includes addition of an oxidant to the water to increase the oxidation-reduction potential (ORP) of the water to between about 400 and 850 mV, followed by electrolysis to generate oxygen gas. The voltage applied to the electrolytic cells during electrolysis is less than 300 mV. The dissolved oxygen content of the water exiting the electrolytic cell is about 90% of saturation to super saturation. | 06-12-2014 |
20140263094 | Method and Apparatus for Electrochemical Bromide Removal - The present invention provides apparatuses, systems and methods for the controllable oxidation of bromide into bromine either directly through electrochemical (EC) anodes or indirectly through electrochemically generated oxidants. | 09-18-2014 |
20150021277 | SYSTEMS AND METHODS FOR PLASMA-BASED FLUID TREATMENT - The disclosed invention relates to a liquid treatment system comprising a fluid input channel and a plasmatron coupled to the fluid input channel, the plasmatron operative to affix nitrogen to liquid received from the fluid input channel resulting in treated liquid. The system further comprises a liquid chamber connected to the plasmatron for storing treated liquid and a treated fluid output channel connected to the liquid chamber. | 01-22-2015 |
20150083671 | Chemical Injector - A chemical injector includes a body forming a fluid passage extending from an inlet through an outlet, an injection port connected to the fluid passage, an anodic portion of the fluid passage having a first electrical charge and a cathode having a second electrical charge in communication with the fluid passage. The fluid passage may include a constriction such as in an orifice or venturi device. | 03-26-2015 |
20150114913 | LIQUID TREATMENT APPARATUS AND LIQUID TREATMENT METHOD - A liquid treatment apparatus for treating water to be treated, according to the present disclosure, includes a treatment tank, a dielectric partition wall dividing inside of the treatment tank into a first space in which the water to be treated is injected, and a second space in which an electrolytic solution is filled, a first electrode at least part of which is arranged in the first space of the treatment tank, a second electrode at least part of which is arranged in the second space of the treatment tank, and a power supply that applies a high-frequency AC voltage between the first electrode and the second electrode. | 04-30-2015 |
20150136711 | LIQUID TREATMENT APPARATUS AND LIQUID TREATMENT METHOD - A liquid treatment apparatus according to the present disclosure includes a dielectric tube that defines a channel through which water to be treated flows, the channel being split upstream of the dielectric tube into a first channel and a second channel, the first channel and the second channel being merged with each other downstream of the dielectric tube, a first electrode at least partially disposed within the first channel, a second electrode at least partially disposed within the first channel, a first gas-supply unit that supplies gas to form a gas bubble into water to be treated that flows through the first channel, and a first power-supply that applies a voltage between the first electrode and the second electrode. | 05-21-2015 |
20150307371 | ELECTRIC ARC FOR AQUEOUS FLUID TREATMENT - An aqueous fluid treatment method and system is provided which preferably uses a 3 step electro-chemical oxidation process to remove organic contaminates from water. A high surface area electro-chemical reaction cell can be employed to remove organic particles and precipitate hardness salts from the aqueous solution. Several 3-phase spark arcs generated mixed oxidants and acoustic cavitations to remove dissolved organic compounds and oxidize organic metal compounds in the next step. Finally, a dielectric discharge in aqueous foam is used to eliminate recalcitrant organic compounds such as, but not limited to, polychlorinated aromatics, disinfectants, pesticides, and pharmaceuticals before release to environment or recycled. | 10-29-2015 |
20180022624 | WATER TREATMENT APPARATUS AND WATER TREATMENT METHOD | 01-25-2018 |
210748180 | Metal ion or metal | 2 |
20130161267 | METHOD FOR WATER TREATMENT - A method for treating a swimming pool, including introducing Mg | 06-27-2013 |
20140367344 | Water Purification - This invention relates to a method and apparatus ( | 12-18-2014 |
210748190 | Ozone | 10 |
20100072143 | WATER TREATMENT SYSTEM - The invention provides a method for reducing aquatic organic contamination present in a volume of water, the method comprising: pumping the water from an open body of water contaminated with aquatic organisms through a reactor unit including a conduit system of varying diameter such that the pressure head in the water is caused to fall to a level below atmospheric pressure, and so to cavitate, at a point in the system by increasing the velocity head of the water at that point. The invention also includes apparatus for use in the method. | 03-25-2010 |
20110147318 | MINIATURE OZONE GENERATOR AND USE THEREOF FOR PURIFYING WATER - The present invention is concerned with a miniature ozone generator device for purifying water. The device includes a printed circuit board having an ozone producing circuit printed on it which includes anodes and cathodes alternatively printed and connected in parallel relationship to each other and to a power supply device. The electrodes have rough (non-smooth) surfaces. In use, when the ozone generator is plunged into a vessel containing the water to purify, this leads to a coalescence of hydrogen bubbles produced by the cathodes into larger hydrogen bubbles, and thus to a higher production of ozone by the anodes. | 06-23-2011 |
20110284476 | Apparatus for sconfinement of the short-lived hydroxyradical OH associated with ozone reaction processes - The output of a flow restricting ozone generator assembly is connected across a check valve to a low pressure port of a venturi nozzle which is connected in series in the water circulating plumbing of a pool or spa. The conveying chamber then stores the water vapors from the water flow through the nozzle which are communicated to the ozone generator to promote the reaction products hydroxyradical OH that is then drawn through the port to mix with the circulating water flow. The check valve at the outlet of the ozone generator is urged to close upon the instance when the flow through the nozzle ceases, terminating the low pressure at its throat and thereby fully confining the reaction products from inadvertent escape. | 11-24-2011 |
20120000861 | BEVERAGE DISPENSER - This invention aims at providing a beverage dispenser with a simple configuration that prevents invasion of bacteria into a tank or a raw water container. | 01-05-2012 |
20130206704 | HOLDING TANK-LESS WATER OZONATING SYSTEM USING ELECTROLYTIC DECOMPOSITION OF WATER - A system is described herein which provides an ozonated liquid. The system comprises a liquid inlet arranged to continuously accept a liquid into the system at a desired flow rate; a liquid outlet to dispense ozonated liquid out of the system, the ozonated liquid having an oxidation-reduction potential of at least 450 mV due solely to ozone dissolved in the liquid, the liquid outlet being in fluid communication with the liquid inlet and arranged to dispense the ozonated liquid out of the system at the desired flow rate. The system has a tank-less ozonation flow path between the liquid inlet and the liquid outlet, the flow path adapted to ozonate the accepted liquid, producing the ozonated liquid to be dispensed out of the system. The accepted liquid has a fluid residence time in the ozonation flow path of less than 5 minutes prior to being dispensed as the ozonated liquid. | 08-15-2013 |
20130240458 | ELECTROLYSIS CELL FOR GENERATING OZONE FOR TREATING A LIQUID - An electrolysis cell for generating oxidizing agents, in particular ozone, for treating a liquid comprises a first electrode and a second electrode. The first and the second electrodes are spaced apart from one another by a distance (A). A particulate solid electrolyte is arranged between the first and the second electrodes and can have the liquid flowing through it. The solid electrolyte is arranged in a free space bounded by the first and the second electrodes. | 09-19-2013 |
20130341288 | OZONE LIQUID GENERATOR AND METHOD OF GENERATING OZONE LIQUID - An ozone generator generates ozone gas; a gas-liquid mixer mixes the ozone gas and a liquid; a liquid storage tank separates an introduced gas-liquid mixture into gas and a liquid; a circulation path circulates gas among the ozone generator, the gas-liquid mixer and the liquid storage tank; and an opening and closing control means controls a flow of gas flowing out through a gas outlet port of the liquid storage tank in accordance with a stored liquid amount in the liquid storage tank. As a result, the stored liquid amount of the liquid stored in the liquid storage tank can be adjusted. | 12-26-2013 |
20140246381 | METHODS, SYSTEMS, AND REACTORS FOR NON-THERMAL PLASMA OVER LIQUID DIRECT ION INJECTION - A system for performing ozone water treatment comprises a voltage supply circuit and a plasma eductor reactor. The voltage supply circuit includes an H-bridge controller and driver, a transformer, and an output port. The H-bridge controller and driver are configured to switch the electrical polarity of a pair of terminals. A primary of the transformer is connected to the H-bridge driver and controller. A secondary of the transformer connects in parallel with a first capacitor and in series with an inductor and a second capacitor. The output port connects in parallel with the second capacitor. The plasma eductor reactor includes an electric field generator, a flow spreader, and a diffuser. The electric field generator includes a pair of electrodes that generate an electric field. The flow spreader supplies a stream of oxygen. The diffuser supplies a stream of water. The streams of water and oxygen pass through the electric field. | 09-04-2014 |
20150041410 | POINT OF USE ELECTROLYSIS SYSTEM - A point of use electrolysis system can be used to generate oxidizing species within liquid retained by a point of use discharge nozzle, helping to prevent pathogens from growing and multiplying in the nozzle. In one example, a system includes a point of use discharge nozzle having an inlet and an outlet and electrodes. The electrodes are configured to electrochemically generate an oxidizing species within the point of use discharge nozzle. According to the example, the point of use discharge nozzle is configured to trap liquid from a liquid source, when liquid ceases flowing through the point of use discharge nozzle, thereby providing a trapped liquid. Further, the electrodes are configured to generate the oxidizing species within the trapped liquid. | 02-12-2015 |
20150368123 | Ozone Generator Systems, Methods, and Apparatus - Corrosion Resistant Ozone Generators, including ozone generating chips, for various purposes including spas, pools and jetted tubs as well as methods for making and using such Corrosion Resistant Ozone Generators. | 12-24-2015 |
210748200 | Chlorine or chlorine compound | 16 |
20100282689 | LOW ENERGY SYSTEM AND METHOD OF DESALINATING SEAWATER - A low energy water treatment system and method is provided. The system has at least one electrodialysis device that produces partially treated water and a brine byproduct, a softener, and at least one electrodeionization device. The partially treated water stream can be softened by the softener to reduce the likelihood of scale formation and to reduce energy consumption in the electrodeionization device, which produces water having target properties. At least a portion of the energy used by the electrodeionization device can be generated by concentration differences between the brine and seawater streams introduced into compartments thereof. The brine stream can also be used to regenerate the softener. | 11-11-2010 |
20110000860 | METHOD AND APPARATUS FOR THE CONTINOUS PRODUCTION OF LOW CONCENTRATIONS OF CHLORINE DIOXIDE FROM LOW CONCENTRATIONS OF AQUEOUS CHLORITE - Provided are methods and systems for continuously producing low concentrations of chlorine dioxide from dilute solutions of sodium chlorite. The low concentrations of chlorine dioxide produced allow for reduced exposure risk with direct application of the chlorine dioxide stream. The incorporation of a suitable chlorine dioxide detector permits continuous monitoring and control of chlorine dioxide production ensuring that the process stays within regulatory guidelines. Pretreatment of reaction water is preferred for achieving suitable conversion rates of the low concentrations of chlorite to chlorine dioxide. | 01-06-2011 |
20110198300 | DEVICE AND PROCESS FOR REMOVING MICROBIAL IMPURITIES IN WATER BASED LIQUIDS AS WELL AS THE USE OF THE DEVICE - The present invention relates to the technical filed of electrochemical elimination or reduction of microbial impurities of liquids. The liquids treated may inter alia include wastewater, industrial process water and water intended for human consumption. The device comprises a disinfection chamber connected through a liquid inlet located in the bottom of a base area by a manifold; an inner chamber housing an electrode stack comprising at least two perforated electrode plates made of conductive material symmetrically placed at a distance of 1-5 mm connected in parallel via connector mounted at the chamber; said electrode plates being separated from each other and the chamber wall at a fixed distance by spacers, and arranged such that in perpendicular plane view 60-100% of the area of passage is covered by the electrodes; an outer chamber; an outer shell; a liquid outlet; connectors for wiring connecting the connector and one or more external power supply units, each of the above elements being designed such that said liquid has a forward velocity of 2-50 cm/s and an initial perpendicular velocity component above 10 cm/s and wherein further the current density is above 5 mA/cm2. | 08-18-2011 |
20120305494 | ELECTROLYTIC METHOD OF GENERATING CHLORIDE DIOXIDE - The invention is directed to an apparatus and methods of its use to generate chlorine dioxide. The apparatus comprises three cation exchange resin chambers in fluidic communication to convert chlorite salt into chlorine dioxide. Unlike previous converters, the invention utilizes an novel method of acidifying some of the chlorite to produce a more effective process. The invention can achieve a 100% theoretical yield which is s significant improvement over the 80% theoretical yield in previous attempts using non-acidifying chemistry. The method also avoids the need for expensive catalysts. | 12-06-2012 |
20120318748 | ELECTROCHLORINATION METHOD FOR ABOVE-GROUND SWIMMING POOLS - The invention relate to the addition of mixture of non-halide salts to the water of above-ground swimming pools to allow sterilisation by in-situ electrochlorination with a modest sodium chloride content. A limitation of sodium chloride concentration in above-ground pools is necessary to prevent corrosion of the relevant steel supporting structure. The salt mixture additive contains sodium bisulphate and other salts of low toxicity. | 12-20-2012 |
20130220942 | METHODS AND COMPOSITIONS FOR REDUCING DEPOSITS IN WATER SYSTEMS - Methods and compositions for improving water quality by reducing chlorine demand, decreasing disinfection by-products and controlling deposits in drinking water distribution systems include adding low concentrations of supplemental oxidants, for example, RE-Ox® to the systems. | 08-29-2013 |
20130264291 | METHOD AND APPARATUS FOR TREATING DRINKING WATER - A method for chlorination of drinking water, comprising providing a main water stream flowing through a main water pipe at a volumetric flow rate of not less than 30 m3/hour, splitting off a portion of said main water stream to form a side water stream flowing through a side pipe, passing said side water stream through a plurality of electrolysis modules at a linear velocity of not less than 0.35 m/s, wherein each electrolysis module comprises at least one anode and one cathode, electrolyzing the side water stream, and directing the resultant electrolyzed side water stream, which contains free chlorine, back to the main stream. An apparatus for carrying out the method is also disclosed. | 10-10-2013 |
20130270195 | MULTIFUNCTIONAL COMPOSITION FOR THE DISINFECTION TREATMENT OF WATER, AND USE OF THIS COMPOSITION - A composition for disinfection treatment of swimming pool water by electrochlorination, composition including an alkali chloride and a metasilicate and optionally a chlorine stabilizing agent, for stabilizing against ultraviolet radiation, the use of a composition of this type, and a method involving a composition of this type. | 10-17-2013 |
20140054239 | METHODS AND COMPOSITIONS FOR TREATING WATER-CONTAINING SYSTEMS - Methods and compositions for improving water quality by reducing chlorine demand, decreasing disinfection by-products and controlling deposits in water systems include adding low concentrations of supplemental oxidants, for example, RE-Ox® to the systems. | 02-27-2014 |
20140217035 | DEVICE FOR MANUFACTURING SODIUM HYPOCHLORITE OR HYPOCHLOROUS ACID AND WATER TREATMENT SYSTEM IN GENERAL - This disclosure includes a device for producing sodium hypochlorite or hypochlorous acid for water treatment, the device including: a cylinder for storing salt in solid form, adapted for being fed directly via a pressurized water pipe, and including one or more tubes that form one or more electrolytic chambers; one or more electrolytic cells received in the electrolytic chambers; the tubes of the cylinders being perforated to allow the contacting of the electrolytic cells with the salt-saturated water while preventing the electrolytic cells from being short-circuited by the solid salt. This produces sodium hypochlorite or hypochlorous acid from salt-saturated water in a cylinder, connected directly to the pipe of the water to be treated without the latter being loaded with salt. | 08-07-2014 |
20140305881 | CHLORINE DIOXIDE GENERATION SYSTEMS AND METHODS - Chlorine dioxide generation systems and methods are disclosed. One or more reactants, such as sodium hypochlorite, may be electrolytically generated on-site for delivery to a reaction column. Low concentration reactants may be used to generate chlorine dioxide as part of a mixed oxy-chloro product stream containing free available chlorine. In at least one embodiment, an optical analyzer may be positioned along a reactant feed line to measure a concentration of reactant supplied to a reaction column. A controller may adjust a flow rate of the reactant in response to information provided by the optical analyzer. The controller may also perform pH control within the system. In some embodiments, the chlorine dioxide generator may be incorporated in an all-liquid water disinfection system. | 10-16-2014 |
20140311992 | PROCESS FOR SEWAGE WATER PURIFICATION - Process and apparatus to remove colloids and nitrogen compounds from contaminated water by coagulating the colloids and separating them from the water. The water is then continuously oxidized with chlorine electrolytically to destroy the nitrogen compounds. | 10-23-2014 |
20150090670 | METHOD FOR TREATING WASTEWATER - A system for treating wastewater is disclosed that includes a series of interconnected reactor tubes. Each reactor tube comprises an outer cathode and an inner anode. The inner anode is positioned within the outer cathode. A voltage differential is applied across the inner anodes and the outer cathodes as wastewater flows between the inner anodes and outer cathodes. As the wastewater flows through the reactor tubes, chlorine based elements are generated to treat the wastewater. The system can include an injector to add chloride salts into the wastewater to generate chlorine based elements. The system can also include a feedback path to divert a portion of the wastewater with chlorine based elements back to the influent wastewater so that the chlorine based elements are mixed with the influent wastewater. The inner anode and the outer cathode can comprise non-donating conductive materials. | 04-02-2015 |
20150344333 | ELECTROCHEMICAL WATER TREATMENT SYSTEM AND METHOD - A water treatment system comprises an electrolytic cell comprising: a first electrode; a second electrode comprising a coating of polymer comprising structural units of formula I and a power source for powering the first and the second electrodes; wherein R | 12-03-2015 |
20160039689 | LIQUID TREATMENT METHOD AND LIQUID TREATMENT DEVICE USED THEREIN - A novel method and device for treating a liquid are provided, wherein a concentrated liquid recovered using a centrifugal separation method can be utilized as ballast water. The present disclosure relates to a method for treating a liquid that comprises a storage step including carrying out a physical treatment using a centrifugal force with respect to a supply liquid to be supplied to a storage means located inside a housing, wherein the method comprises carrying out an aquatic organism-inactivating treatment contained in a concentrated liquid obtained by the physical treatment using a centrifugal force and supplying to the storage means the concentrated liquid subjected to the aquatic organism-inactivating treatment. | 02-11-2016 |
20220135447 | ELECTROLYSIS CELL FOR AN ELECTROLYTIC TREATMENT OF A LIQUID - Electrolytic cell for an electrolytic treatment of a liquid, the electrolytic cell comprising including a receptacle defining an electrolysis chamber; a first set of conductive plates, a second set of conductive plates, and a third set of conductive plates, which are arranged in the electrolysis chamber, the conductive plates of the first, second and third sets extending radially in relation to the longitudinal axis (A) of the receptacle; an electrical power source configured to supply electricity to the conductive plates of the first, second and third sets; a switching device configured to interrupt the electricity supply to the conductive plates of the first, second and third sets and to modify the electrical connection between the conductive plates of the first, second and third sets and positive and negative terminals of the electrical power source; and a control unit configured to control the switching device according to an operating cycle. | 05-05-2022 |