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| Number | Title | Issue Date |
| 7718057 | Wastewater treatment system This invention is directed to a wastewater treatment system having a fluidizable media carrying anoxic bacteria in a first treatment zone and a filter membrane positioned in a second treatment zone. A wastewater is contacted with the fluidizable media and further co... | 05/18/2010 |
| 7550079 | System and method for water restoration System and method for water restoration to a water pool or to water regions associated with freshwater or saltwater marinas. Embodiments include a positive water flow device that works in unison with a negative water flow device, wherein the positive and negative fl... | 06/23/2009 |
| 7507334 | Water treatment system The water treatment system is a modular-filter based residential reverse osmosis (RO) system that remineralizes the purified water twice to ensure the water is alkaline, but uses only one remineralization filter. The system forces the water to undergo remineralizati... | 03/24/2009 |
| 7442307 | Method and apparatus for the biological activated sludge treatment of wastewater The equipment has a main reaction (I) and an anterior reactor (II), as well as facilities for feeding in untreated sewage, removing cleaned water and sludge and aerating the wastewater entered into the main reactor, and a mixer (2) situated in the anterior re... | 10/28/2008 |
| 7431834 | Waste water and sludge treatment apparatus In a system for separating crystals from sludge, or from separated water generated when sludge is subjected to a concentration process or a dewatering process, aspects of both phosphorus removal and phosphorus recovery can be satisfied, MAP having a high degree of p... | 10/07/2008 |
| 7422688 | Biological wastewater treatment process and reactor An aerated treatment of water is performed using a serially coupled reactor and flotation tank and is performed using so much activated sludge in the water that small bubbles from an aerator are entrained in the activated sludge, leading some of or all the activated... | 09/09/2008 |
| 7399413 | Recirculating filter A self contained filter for a recirculating tank is used in a septic system. The self contained filter is a mattress-like filter made of woven material encapsulating aggregate material therein. The weave of the mattress-like woven material is smaller than the aggreg... | 07/15/2008 |
| 7338595 | Flow-through tank for water treatment A fluid treatment system includes at least one flow-through tank, a treatment device configured for treating at least one of an untreated fluid and a treated fluid and providing the treated fluid to the at least one flow-through tank and at least one sensing device ... | 03/04/2008 |
| 7329344 | Grease and scum removal in a filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials The invention relates to a membrane bioreactor process combined with an advanced biological sludge digestion process that provides significant improvements in sludge digestion by reducing the costs and resources required for disposing of digested sludge. The offline... | 02/12/2008 |
| 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 |
| 7311824 | Fine particle separation treatment system and cyclone separator The present invention provides a fine particle separation treatment system containing: a storage tank for storing a solution; a solution circulating passageway for circulating the solution in the storage tank, a cyclone separator disposed in the solution circulating... | 12/25/2007 |
| 7309425 | Apparatus for the preparation of arsenic free water The present invention relates to a process for the preparation of arsenic free water and an apparatus therefor. The present invention also relates to a porous ceramic useful for pressure filtration in order to produce arsenic free water. The present invention partic... | 12/18/2007 |
| 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 |
| 7291269 | Apparatus and process for extracorporeal treatment of blood with selective extraction of solutes A device and method for an extracorporeal blood treatment is described. The device comprising at least one exchanger equipped with at least one first inlet for the blood to be treated, a first fluid outlet and a second fluid outlet, an input line for blood to be tre... | 11/06/2007 |
| 7282156 | Apparatus & method for cleaning cooling tower recirculating water An apparatus and method for removing water and debris from a cooling tower basin, discarding debris and returning clean water to the basin. ... | 10/16/2007 |
| 7276163 | Membrane devices with controlled transmembrane pressure and method of use A crossflow membrane device that receives a feedstock at a feed end face and separates the feedstock into permeate and retentate. The device has a membrane support containing at least one monolith of porous material defining a plurality of passageways extending long... | 10/02/2007 |
| 7270754 | Apparatus and method for processing of animal manure wastewater According to the present invention, there is provided a wastewater processing apparatus and method comprising a rotating filter thickener (20) receiving and filtering a wastewater mixture and producing a first filtrate output and a first sludge output, a scre... | 09/18/2007 |
| 7238532 | Isothiazolone monitoring in aqueous systems A method for measuring the concentration of isothiazolones in aqueous systems including removing sample interferences by lowering the pH of a sample collected from the aqueous system containing isothiazolones and filtering the sample, removing additional interferenc... | 07/03/2007 |
| 7223337 | Apparatus and method for cleaning cooling tower recirculating water An apparatus and method for removing water and debris from a cooling tower basin, discarding debris and returning clean water to the basin. ... | 05/29/2007 |
| 7217358 | Ultraviolet radiation treatment of unwanted microorganisms A method and apparatus are described for killing or inhibiting growth of undesired microorganisms using ultraviolet radiation. A vortex turbulated flow of water is established within a vertical tube through which is transmitted ultraviolet radiation. In a preferred ... | 05/15/2007 |
| 7175764 | Method and device for purifying wastewaters The invention relates to a method for purifying wastewaters, particularly wastewaters produced in the paper industry, involving the following steps: a) aerobic clarification of the wastewater using activated sludge in an activation stage; b) carrying out, in a secon... | 02/13/2007 |
| 7160468 | Cooling system for fuel cell and prevention method for degradation of coolant therefor A cooling system for a fuel cell system is provided with a circulation system including a circulation pump for circulating coolant, the coolant essentially consisting of water and glycol, a fuel cell connected to the circulation system so as to be cooled by the cool... | 01/09/2007 |
| 7153431 | Method and system for utilizing activated sludge in a ballasted flocculation process to remove BOD and suspended solids A method and system for treating water or wastewater to remove both soluble BOD and suspended solids. The method entails a ballasted flocculation process where a flocculant and insoluble granular material is added to the water or wastewater to be treated causing sol... | 12/26/2006 |
| 7147771 | Effluent treatment system An effluent treatment system including a treatment tank for holding effluent; a filter for filtering effluent from the treatment tank; a valve for directing effluent from the filter component to either a discharge or through the inlet port of the treatment tank back... | 12/12/2006 |
| 7141159 | Method of sludge recycling The present invention provides a method of sludge recycling by utilizing an existing facility as it is, degrading sludge efficiently and simply, and producing useful recycled water from treated water separated from the sludge, and an apparatus for sludge recycling. ... | 11/28/2006 |
| 7141167 | Filter device A filter device for filtering liquids including a filter membrane, a main body which is arranged upstream from the filter membrane, and which has a feed channel perpendicular to the surface of the filter membrane, a gap extending between the filter membrane and the ... | 11/28/2006 |
| 7135106 | Portable water purifier There is disclosed a device adapted to provide water purified to human consumption level, and arranged for connection to a water supply. The device comprises a water purifier, a container for purified water and connections between the water purifier and the purified... | 11/14/2006 |
| 7112282 | 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... | 09/26/2006 |
| 7097762 | Modular waste water treatment system The modular waste water treatment system receives waste water from a waste water source containing organic waste and produces a treated water effluent. The modular system includes bioreactors and a bioreactor support module. The bioreactors receive a waste water mix... | 08/29/2006 |
| 7090773 | Coaxial full-flow and bypass oil filter An improved combination full flow bypass oil filter is presented where the output of the bypass filter is obtained by non-venturi means and the extremely clean bypass filter output is measurable at all engine oil pressures. The bypass filter output is not blended wi... | 08/15/2006 |
| 7087159 | 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... | 08/08/2006 |
| 7060185 | Sewage treatment apparatus using self-granulated activated sludge and sewage treatment method thereof Provided is an apparatus for processing sewage by granulating activated sludge and a method thereof. The sewage processing apparatus includes an anaerobic granulation tank for granulating suspended microorganisms; an indirect aeration tank for supplying oxygen to th... | 06/13/2006 |
| 7056442 | Method and apparatus for flushing contaminants from a container of fluids A contaminant-flushing machine for removing contaminants from a container, such as an engine transmission, air-conditioner coil, or transmission cooler, which includes hoses for coupling to the transmission cooler and a pump for circulating fluid through the hoses a... | 06/06/2006 |
| 7034193 | Method for purifying spent acid A method for purifying a spent acid catalyst from an acid catalyzed chemical reaction that generates a mixture of a product, spent add and tar, includes the steps of separating the mixture of product, spent acid, and tar into a product fraction and a spent acid frac... | 04/25/2006 |
| 7011759 | Vessel head-flush process Pressure is balanced within a partitioned process vessel by flushing the heads of the vessel. Careful handling of the flush purge removed from the head can mitigate the loss of valuable product to this stream. ... | 03/14/2006 |
| 7005069 | Apparatus and method for aeration of wastewater A wastewater treatment plant includes (i) an aeration vessel having a bottom portion, a top portion and a side portion disposed therebetween to hold a quantity of wastewater, the top portion and the bottom portion being disposed at least 20 feet apart from one and t... | 02/28/2006 |
| 7001512 | Closed loop processing system for waste and crops A process for treating waste products discharged in a waste water from an animal operation, such as a swine confinement facility includes a holding tank for receiving waste water from the flushing of the facility in which solids to accumulate at the bottom thereof; ... | 02/21/2006 |
| 6984317 | System for the treatment of soot-laden water A system and method for treatment of soot-laden waste water is disclosed. The method comprises the steps of separating the soot from the waste water initially in a clarifier. The concentrated soot is then treated with an activated sludge mixture in a digester with a... | 01/10/2006 |
| 6977041 | Apparatus for manufacturing deionized water and using method thereof An apparatus and method for manufacturing deionized water is provided. Water is supplied to a first conduit. A plurality of reverse osmotic pressure vessels are connected to the first conduit. A filtering experimental vessel is connected to the first conduit, the fi... | 12/20/2005 |
| 6974536 | Wastewater treatment apparatus including dosing and recirculation chambers within a single tank An apparatus provides for treatment of primary effluent from residential and commercial establishments to allow subsurface or surface disposable of wastewater. A single tank includes dosing and recirculation chambers 28, 30 having no direct fluid communicatio... | 12/13/2005 |
