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| Number | Title | Issue Date |
| 8366936 | Water treatment system with water filter having zeolite layers and activated carbon layer A water filtration system with a filter and method for filtering raw water having a series of media layers in the following order: 1) sand to gravel or coarse silica; 2) zeolite; 3) activated carbon; 4) a second layer of sand to gravel or coarse silica; and 5) a sec... | 02/05/2013 |
| 8119009 | Rehabilitating contaminated water treatment media with resource recovery Dissolved metals are removed from contaminated water by passing the water through a bed containing media bodies, preferably limestone bodies. Various contaminants carried by the water become associated with the media bodies, thereby inhibiting water flow. The media ... | 02/21/2012 |
| 8080162 | Method for separating fission product, and apparatus used therefor Provided is a method that can remove fission products in a spent electrolyte produced in a dry reprocessing process by an easy operation and can vitrify the fission products easily, the fission products including not only the fission products that generate precipita... | 12/20/2011 |
| 7993529 | Treatment apparatus of organic compounds included in waste water, and a treatment system of organic compounds included in waste water A treatment method of organic compounds included in waste water, comprising the steps of: supplying waste water to an adsorber 2 filled with an adsorbent 3 therein for adsorbing the organic compounds in the waste wate... | 08/09/2011 |
| 7713421 | Sorption method, device, and system The invention relates to a method of separating components of a fluid mixture comprising the steps of providing a fluid, providing a sorbent structure (120), sorbing a first component of the fluid, desorbing the first component, and electrokinetically biasing... | 05/11/2010 |
| 7608190 | Process for removing barium from water A method for reducing barium concentration in waste streams. Hydrous manganese oxide (HMO) is formed in solution/slurry and mixed with water containing barium such that the hydrous manganese oxide exhibits a negative charge at a desired pH. Barium from the water is ... | 10/27/2009 |
| 7491336 | Process for treating industrial effluent water with activated media In a process for treating effluent water, a stream of effluent water is fed to a porous ceramic media filled reactor. Organic and inorganic impurities are absorbed and/or oxidized from the effluent water into the media and/or off-gases. The remainder of the effluent... | 02/17/2009 |
| 7488423 | System and method of slurry treatment Wastewater streams from semiconductor processing operations are treated to reduce the concentration therein of one or more metal species to a satisfactory level. The disclosed systems and technique utilize complexing ion exchange media to treat the wastewater stream... | 02/10/2009 |
| 7404898 | Method and installation for the production of lime water from deionised water A method of producing lime water comprising deionising dilution water by membrane filtration, distillation or an ion exchange resin and adding silicate ions to the deionised water. Thereafter, the deionised water treated with the silicate ions is mixed with milk of ... | 07/29/2008 |
| 7404900 | Ammonium removal system including an electrophysical separation system An ammonium removal system includes an ion-exchange medium, a brine source, and an electrophysical separation system. The ion-exchange medium may be used to remove ammonium from a waste stream. A brine may be flushed through the ion-exchange medium to remove the amm... | 07/29/2008 |
| 7368058 | Method of generating fresh water and fresh-water generator The present invention is a water processing method comprising the steps of separating boron-containing water in a reverse osmosis membrane module to provide a permeated water and subjecting a part of the obtained permeated water to boron removal using an adsorbent, ... | 05/06/2008 |
| 7347945 | Method and an installation for separating out multiphase effluents The invention relates to a method and to an installation for separating out an effluent made up of a multi-phase fluid mixture. According to the invention, said installation includes gravity separator means whose geometrical separation characteristics can be adjuste... | 03/25/2008 |
| 7344640 | Urban runoff water treatment methods and systems The apparatus and methods of the present invention enable efficient and appropriate treatment of Urban Water Runoff, so that the treated Urban water Runoff can be can be introduced into public waterways without contaminating such waterways. The system apparatus util... | 03/18/2008 |
| 7341659 | Rinsing liquid treatment device A modular assembly for a rinsing liquid treatment device (2) includes an expansion module (12) and an adapter module (9) for a rinsing liquid circuit for a rock working tool (1) and having a feed line (3), a catch trough (4)... | 03/11/2008 |
| 7332092 | Method of separating E and Z isomers of an alkene alcohol and derivatives thereof E and Z isomers of alkene alcohols and/or alkene alcohol derivatives are separated by substantially continuously contacting an ion exchange medium which is ion exchanged with silver and/or copper ions with the feed stream comprising the E and Z isomers of at least o... | 02/19/2008 |
| 7314547 | Fountain solution recycling system for commercial printers A method of and apparatus for extending the life of fountain solutions used in commercial printing presses comprises withdrawing fountain solution from the dampener recirculation system of a printing press and directing the withdrawn fountain solution through a sedi... | 01/01/2008 |
| 7311837 | Process for the continuous recovery of free tartaric acid from raw materials containing potassium hydrogentartrate In a process for the continuous recovery of free tartaric acid from raw materials containing potassium hydrogentartrate, the same are mixed with water and the potassium hydrogentartrate is dissolved. The process is improved in that the suspension is decanted, the cl... | 12/25/2007 |
| 7306737 | Inactivation of microorganisms and virus in liquids and sludge A method of inactivating pathogens contaminating water and sludge, such as sewage sludge from wastewater treatment plants by exposing the contaminated material to an intense alternating mechanical field, at sonic and/or ultrasonic frequencies, producing and sustaini... | 12/11/2007 |
| 7303683 | Microorganism-removing filter medium having high isoelectric material and low melt index binder A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo... | 12/04/2007 |
| 7300743 | Radiation durable organic compounds with high transparency in the vacuum ultraviolet, and method for preparing This invention concerns radiation durable organic compositions which are well-suited for use in 157 nm lithography by virtue of their high transparency and excellent radiation durability, and to a process for the preparation thereof. ... | 11/27/2007 |
| 7291277 | Method and device for cleaning the fountain solution of a printing press A method for cleaning the fountain solution of a printing press with an automatically emptying separator (16), separates the dirt particles and oil residues from fountain solution and supplies them, as a mixture of dirt and fountain solution, to a dirt and fo... | 11/06/2007 |
| 7291266 | Composite filter and method and apparatus for producing high purity water using the composite filter To compose a composite filter for obtaining water having a high purity usable as water for life and water for medicine from water in which impurities are mixed. Furthermore, to compose an apparatus for obtaining water having a high purity using the filter. Moreover,... | 11/06/2007 |
| 7288498 | Transition metal oxide-aluminosilicate purification media The invention, in its various embodiments, relates to a medium for purifying fluids, particularly consumable fluids like air and water, by removing organic materials from the fluids by contacting the fluids with a combination of extremely small diameter transition m... | 10/30/2007 |
| 7276167 | Method of adding activated carbon in water purification and method of water purification When a raw water to be filtered c is fed from a raw water tank 11 reservoiring a raw water (water to be treated) to a membrane module by a raw water pump P1, an activated carbon raw material supplied from an activated carbon tank is milled together wit... | 10/02/2007 |
| 7255789 | Method and apparatus for liquid purification An apparatus and method for purifying a liquid including: reaction chambers that utilizes KDF 85 or KDF 55 or other media in turbulence with the liquid, a first fine collective filtration unit, a first laser photolytic light ch... | 08/14/2007 |
| 7253011 | Fabrication method of semiconductor integrated circuit device Provided is a fabrication method of a semiconductor integrated circuit device, which comprises disposing, in a ultrapure water preparing system, UF equipment having therein a UF module which has been manufactured by disposing, in a body thereof, a plurality of capil... | 08/07/2007 |
| 7238735 | Process for producing aqueous dispersion of purified polytetrafluoroethylene A process for producing an aqueous dispersion of purified polytetrafluoroethylene (PTFE), comprising passing a crude aqueous dispersion of PTFE comprising from 10 to 50 mass % of PTFE fine particles having an average particle diameter of from 0.1 to 0.5 μm, from 0.... | 07/03/2007 |
| 7229550 | Potable water treatment system and apparatus In the present invention, a potable water treatment system and apparatus for purifying and treating potable water that is being transferred from a potable water source to a number of potable water user(s) via a potable water line is presented. Said potable water pur... | 06/12/2007 |
| 7229559 | Dual-action decontamination method Hydrophobic polymer particles (e.g., granules or fragments) employed as filter media, e.g., for filtering runoff water, include an antimicrobial compound on exterior surfaces and can reduce proliferation of microbial organisms as well as sorb chemical contaminants f... | 06/12/2007 |
| 7210182 | System and method for solvent recovery and purification in a low water or waterless wash Method and apparatus for recovering and purifying a solvent used in an article cleaning appliance are provided. The method allows passing solvent-based cleaning fluid from a wash basket through a coarse filter configured to remove relatively large particulates from ... | 05/01/2007 |
| 7207748 | Water collection and distribution system for yard maintenance A water collection and distribution system for yard maintenance includes a buried reservoir for collecting water from the roof of a structure and a submersed pump in the reservoir for supplying contained water to a pressurized manifold having outlets available for y... | 04/24/2007 |
| 7195923 | Ratiometric determination of glycated protein The present invention provides methods for determining a ratio of an amount of a glycated form of a protein to a total amount of the protein in a sample containing the glycated protein, the glycosylated protein, or the glycoprotein. The method incorporates lateral f... | 03/27/2007 |
| 7186344 | Membrane based fluid treatment systems A process for removing soluble and insoluble inorganic, organic, and microbiological contaminants from a fluid stream employing a pretreatment module, a post-treatment module, a recycle stream module or any combination thereof, and a membrane module, is provided. Th... | 03/06/2007 |
| 7172701 | Water treatment method using an inorganic powder reagent with high specific surface area including a step of recycling said reagent A method of treating water including mixing the water with an inorganic powder reagent for reducing the content of organic matter. The water, after being mixed with the inorganic powder reagent, is subjected to a membrane separation step that produces blow off produ... | 02/06/2007 |
| 7169304 | Porous polymer water filter and methods of use in refrigeration The filtration device of the present invention relies on materials and methodologies that achieve the formation of a structural matrix that may later accommodate the addition of other adsorbent materials as opposed to merely binding adsorbent materials together thro... | 01/30/2007 |
| 7160441 | Urban runoff water treatment methods and systems The apparatus and methods of the present invention enable efficient and appropriate treatment of Urban Water Runoff, so that the treated Urban water Runoff can be can be introduced into public waterways without contaminating such waterways. The system apparatus util... | 01/09/2007 |
| 7150320 | Water treatment method for heavy oil production A process for treating produced water to generate high pressure steam. Produced water from heavy oil recovery operations is treated by first removing oil and grease. If necessary, the pH is then adjusted, normally downward, releasing at least some carbonate alkalini... | 12/19/2006 |
| 7144510 | Method and apparatus for treatment of a fluid stream A method for treating a fluid by providing a raw fluid to a process tank. The raw fluid may be water having varying degrees of contamination or another type of fluid. The method further consists of adding an ion exchange resin to the process tank to form a raw fluid... | 12/05/2006 |
| 7132052 | System for the purification and reuse of spent brine in a water softener System and method for purifying and recycling spent brine in a water softener are provided. The system may be made up of a cation exchange resin tank fluidly coupled for passing spent brine comprising monovalent and divalent ions. A fluid mixer valve is coupled to t... | 11/07/2006 |
| 7125823 | Methods of making dual-action decontamination media Hydrophobic polymer particles (e.g., granules or fragments) employed as filter media, e.g., for filtering runoff water, include an antimicrobial compound on exterior surfaces and can reduce proliferation of microbial organisms as well as sorb chemical contaminants f... | 10/24/2006 |
