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| Number | Title | Issue Date |
| 8163179 | Apparatus for removing dissolved hydrogen sulfide in anaerobic treatment Disclosed is an apparatus for removing dissolved hydrogen sulfide, including an anaerobic treatment tank (1) that anaerobically treats organic discharged water, a circulation water tank (3), means for introducing organic discharged water into circulati... | 04/24/2012 |
| 7785465 | Apparatus and method for de-watering and purifying fuel oils and other liquids This invention relates to the removal by centrifugal force and by coalescence of water and other impurities from diesel fuel, jet fuel, gasoline, kerosene, bio-diesel fuel, ethanol enriched fuel, heating oil, hydraulic oil, cutting oils, and other liquids with a spe... | 08/31/2010 |
| 7641794 | Blood processing filter A flexible blood filter allowing smooth flow of a liquid and being excellent in separation resistance, pressure resistance and centrifugation resistance. The blood processing filter, includes a first filter element for removing aggregates from blood, a second filter... | 01/05/2010 |
| 7540959 | Process and equipment for treating ammonium containing liquid The process for treating an ammonium containing liquid by denitrification treatment of an ammonium containing liquid containing at least ammonium comprises carrying out nitrate reduction treatment of reducing nitrate contained in or added to the ammonium containing ... | 06/02/2009 |
| 7470366 | Water purification system and method using reverse osmosis reject stream in an electrodeionization unit Water purification systems include a reverse osmosis unit, a treatment unit, and an electrodeionization unit. A reverse osmosis reject stream from the reverse osmosis unit is treated in the treatment unit and provided to concentrating compartments of the electrodeio... | 12/30/2008 |
| 7449109 | Device for separating water and filtering impurities out of fuel In a device for separating water and filtering impurities out of liquid hydrocarbons or fuels, comprising a housing including a first vertically arranged hollow body receiving the coalescer element and a second vertically arranged hollow body receiving a fine filter... | 11/11/2008 |
| 7438817 | System and method for treatment of acidic wastewater A wastewater treatment system comprising separation unit operations inhibits or promotes the formation and precipitation of species by controlling the pH of wastewater to be treated entering into the separation unit operations. The separation unit operations include... | 10/21/2008 |
| 7431848 | Modular ultraviolet sterilizer Multiple UV sterilizers may be connected in series in order to increase the microorganism kill rate. The UV sterilizers are rotatable with respect to other UV sterilizers so that the UV sterilizers may be combined in various configurations in order to adjust a level... | 10/07/2008 |
| 7427354 | Degradation treatment process and system for organics in organically-polluted water A system for the degradation treatment of organics in organically-polluted water is provided with a treatment tank for receiving, as the organically-polluted water, sewage or wastewater from a food-related factory. The treatment tank includes an inlet, an outlet arr... | 09/23/2008 |
| 7422690 | Filtering system A filtering system comprising an inlet (11) for liquid to be filtered and an outlet (9) for filtered liquid, as well as filtering means, which system is characterized in that the filtering means, placed in series comprise: a first filter (2) com... | 09/09/2008 |
| 7419608 | Treating method and equipment for coke-cooling wastewater The present invention falls within the field of purifying oil-laden wastewater, which provides a method for purifying coke-cooling wastewater in a delayed coking process in petroleum chemical field. The method comprises the following steps: (a) cooling the coke-cool... | 09/02/2008 |
| 7413665 | Methods and apparatus for blood component separation A system for separating a composite fluid into component parts thereof, including: a centrifuge having a rotor with a separation space and at least two valve members disposed thereon and a container set having a separation container adapted to be disposed in the sep... | 08/19/2008 |
| 7410584 | Methods and apparatus for treating wastewater employing a high rate clarifier and a membrane Methods and apparatus for treating wastewater are described, one method embodiment including the steps of flowing a stream comprising mixed liquor suspended solids and fixed growth solids to a high rate clarification stage, forming a clarifier effluent, a first wast... | 08/12/2008 |
| 7410573 | Waste water purification apparatus and waste water purification method including the regeneration of used coagulant A waste water purification system for purifying polluted salt water including oil and the like by coagulating and separating pollutant matter in the polluted salt water can regenerate and reuse a coagulant in the system while scarcely resupplying the coagulant, an a... | 08/12/2008 |
| 7407585 | Water purification system and methods, and module for the system The invention relates to a method and a system for purifying water whereby: the water to be purified is pressurized (13); a pressurized flow of said water is directed onto at least one selective permeability... | 08/05/2008 |
| 7407577 | Tertiary filter septic system and method This application relates to an apparatus and method for treating effluent. The effluent may be derived, for example, from an upstream secondary treatment plant. The apparatus employs a plenum positionable within a fluid-impervious container. The plenum includes a fl... | 08/05/2008 |
| 7407580 | System and method for treating carbon, nitrogen, phosphorous containing wastewater The present invention relates to a wastewater treating system and method for removing pollutants of carbon, nitrogen, phosphorous, comprising: a first reactor contains methanogenic bacteria, PAO and denitrifying bacteria for eliminating the organic carbon in denitri... | 08/05/2008 |
| 7396451 | Methods and apparatus for blood component separation A system for separating a composite fluid into component parts thereof, including: a centrifuge having a rotor with a separation space and at least two valve members disposed thereon and a container set having a separation container adapted to be disposed in the sep... | 07/08/2008 |
| 7384553 | Method for operating anaerobic ammonium oxidation vessel and anaerobic ammonium oxidation equipment A method for operating an anaerobic ammonium oxidation vessel in anaerobic ammonium oxidation in which ammonium and nitrite in water to be treated are simultaneously denitrified by anaerobic ammonium oxidizing bacteria, the method comprising the steps of: wit... | 06/10/2008 |
| 7371320 | Magnetic separation unit and water purification system A magnetic separation unit can prevent any magnetic flocs deposited on an inner wall of a water passing pipe from closing a water channel for stabilizing a magnetic separation performance and reduce cost by a small-diameter portion of the water passing pipe. The mag... | 05/13/2008 |
| 7368055 | Structural improvement for a water purifier A structure improvement for a water purifier includes a streamlined main body combined by a pair of the symmetrically arranged half housings each of which has a large opening closed by a lid, a motor unit, a pipeline and a flat rectangular rack disposed inside the m... | 05/06/2008 |
| 7354509 | Wastewater treatment system A wastewater treatment system comprising means of decontaminating wastewater; means of measuring control parameters of the wastewater; means for controlling said decontamination means; and a programmable logic controller. The user is able to receive control paramete... | 04/08/2008 |
| 7351336 | Ballast water treatment systems including related apparatus and methods Ballast water treatment apparatus and methods for preventing foreign aquatic invasive species form entering marine ecological zones by translocation in ship's ballast water. The apparatus includes a housing, a filter member, and UV water treatment chambers. Methods ... | 04/01/2008 |
| 7347940 | Nitrogen removal system and method for wastewater treatment lagoons A wastewater treatment process integrates a tidal nitration system with a wastewater treatment lagoon. Raw effluent enters a lagoon having a persistent anoxic or anaerobic state and a long residence time to permit suspended solids to settle to the bottom, forming a ... | 03/25/2008 |
| 7344641 | Used water treatment system for residences and the like A system for the treatment of residential wastewater which comprises a septic tank, a holding tank in fluid communication with the septic tank and a reactor containing a plurality of media on which the wastewater is sprayed, and cyclonic clarification means. The sys... | 03/18/2008 |
| 7335298 | Modular aquarium filter A modular aquarium filter includes one or more cartridges connected in series. The cartridges may contain filter media for chemical, biological and/or mechanical filtration. In addition, the cartridges are designed such that they provide a unique internal helical ge... | 02/26/2008 |
| 7320757 | Body fluid processor enabling direct hemoperfusion A safe and practically useful body fluid processor whereby blood taken out from a patient can be directly processed, characterized by having a favorable passage of the blood cell and showing an extremely low risk of the generation and leakage of microparticles. Name... | 01/22/2008 |
| 7320561 | System and method for handling bulk materials A bulk material handling system generally consisting of means for holding the material; means for conveying the material including a first conduit formed of a permeable material having an inlet communicating with an outlet of the material holding means and an outlet... | 01/22/2008 |
| 7316776 | Aquarium filtration system with bio-reactor An improved aquarium filtration system is provided which includes a bio-reactor chamber. The bio-reactor chamber includes a plurality of bio-balls which have a high surface area for collecting bacteria for biological filtration. The bio-reactor includes one or more ... | 01/08/2008 |
| 7314563 | Membrane coupled activated sludge method and apparatus operating anoxic/anaerobic process alternately for removal of nitrogen and phosphorous Disclosed are a membrane coupled activated sludge method and apparatus operating anoxic/anaerobic processes alternately for removal of nitrogen and phosporus, wherein nitrogen and phosphorous together with organics in the sewage, wastewater, filthy water etc. can be... | 01/01/2008 |
| 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 |
| 7311834 | Apparatus for the treatment of particulate biodegradable organic waste An apparatus for treating particulate biodegradable organic waste includes a thermal hydrolysis reactor receiving the particulate biodegradable organic waste for performing thermal hydrolysis at a temperature of about 130° C. at a pressure at or above the saturated... | 12/25/2007 |
| 7311833 | Zero excess sludge membrane bioreactor An inclined plate coupled membrane bioreactor for treating feed water having excessive level of nutrients in particular chemical oxygen demand and total nitrogen and suspended solids has an aerobic bioreactor for nitrification and aerobic biodegradation in which mem... | 12/25/2007 |
| 7311799 | Hydrofluoric acid wastewater treatment method and device The invention provides a hydrofluoric acid wastewater treatment method that achieves efficient recovery of hydrofluoric acid from hydrofluoric acid wastewater and also achieves sufficient reduction in the hydrofluoric acid concentration of the dehydrofluorinated wat... | 12/25/2007 |
| 7311821 | Water circulation unit with increased throughput for swimming pools, and filter unit comprising the same A water circulation unit includes an ejector (142), a convergent, and a pipe (146) which is arranged in the extension of the convergent. The ejection axis practically merges with the symmetry axis of the convergent, the two axes forming a common axis o... | 12/25/2007 |
| 7309445 | Transferring slurry from a vessel Apparatus for transferring slurry from a vessel having a plurality of slurry collection points. The apparatus includes a manifold having a plurality of inlets in flow communication with one or more outlets and a plurality of pressure-reducing cyclones. Each cyclone ... | 12/18/2007 |
| 7306735 | Process for the removal of contaminants from water The present invention provides a method of removing contaminants from water which includes the steps of first providing a water feed exposed to at least one hydrocarbon or chemical process. This water feed is set in-line with a reverse osmosis system which includes ... | 12/11/2007 |
| 7306733 | Autotrophic denitrification chamber and calcium reactor The present invention describes novel biological systems for efficiently reducing nitrate levels and otherwise conditioning aquarium water and water in similar environments. ... | 12/11/2007 |
| 7303672 | Liquid/solid separator and method A liquid/solid separator system mounted on a mobile cart and connected to a process tank for reducing the rate at which fluids are consumed in manufacturing processes. The system may include automation and also may include a shear-stepped screen including tilted wir... | 12/04/2007 |
| 7303666 | Water filtration system A water filtration system includes a filter for receiving water to be filtered and having an output. A water storage vessel is connected to receive water from the filter output; and water is removed from the storage vessel and supplied back to the input of the filte... | 12/04/2007 |
