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| Number | Title | Issue Date |
| 7429288 | Spinning impingement multiphase contacting device A spinning impingement multiphase contacting device and method for heat or mass transfer are disclosed. A first fluid, from which the transfer is to occur, is caused to impinge and be entrained in a spinning permeable element, creating a highly dispersed phase. The ... | 09/30/2008 |
| 7402192 | Method and device for continuously treating waste water of industrial origin by water vapour stripping The invention concerns a method characterised in that it consists in: determining online at least an ultraviolet spectrum portion of at least one of the compounds present in one or the other of the waste water feeding circuits (7, 13) or of the column (8 | 07/22/2008 |
| 7377956 | Method and system for processing natural gas using a rotary screw compressor Method and system for processing natural gas containing contaminants through the use of one or more rotary screw compressors. A natural gas containing a contaminant (e.g., water or carbon dioxide and/or hydrogen sulfide) and a contaminant removing agent are combined... | 05/27/2008 |
| 7374602 | System and method of water treatment The present invention generally offers a system and a method that allows a vessel to treat water while providing corrosion inhibition. An oxygen stripping gas source produces oxygen stripping gas that may be pumped directly to, preferably but optionally, a venturi i... | 05/20/2008 |
| 7364604 | Gas/liquid separation utilizing bunched mesh materials An apparatus and method for gas/liquid separation on an array of jets or streams of liquid is provided. Layers of substantially spherical aggregates of meshed material are provided to “quiet” high-velocity liquid flow with entrained gas to provide a uniform flow... | 04/29/2008 |
| 7329312 | Apparatus for supplying water containing dissolved gas An apparatus for supplying water containing dissolved gas comprising a flowmeter for measuring a flowrate of pure or ultra-pure water and a mechanism for controlling a flowrate, a means for adjusting an amount of water which adjusts an amount of the pure or ultra-pu... | 02/12/2008 |
| 7326283 | Spinning impingement multiphase contacting device A spinning impingement multiphase contacting device and method for heat or mass transfer are disclosed. A first fluid, from which the transfer is to occur, is caused to impinge and be entrained in a spinning permeable element, creating a highly dispersed phase. The ... | 02/05/2008 |
| 7326278 | Advanced contaminate treatment system Decontamination systems and methods are disclosed. In one embodiment, a system comprises a first adsorption/desorption subsystem that is configured to receive a contaminated gaseous solution and remove substantially all of the contaminants from the contaminated gase... | 02/05/2008 |
| 7318855 | Gas/liquid separation utilizing structured separator material An apparatus and method for gas/liquid separation on an array of jets or streams of liquid is provided. Layers of structured packing material are configured to “quiet” high-velocity liquid flow with entrained gas to provide a flow at moderate or low velocity fro... | 01/15/2008 |
| 7282081 | Method and apparatus for high efficiency multi-stage packed tower aeration with PH adjustment and reutilization of outlet air Disclosed is an improve aeration system. The aeration system of the present invention more efficiently removes contaminates, such as hydrogen sulfide, from water. The increased efficiency is achieved by adjusting the pH level of the water in between sequential mass ... | 10/16/2007 |
| 7255728 | Apparatus and method for degassing liquids Apparatus and method for degassing liquids particularly cationic monomers. Fluid comprising liquid to be degassed together with sweep gas is admitted tangentially into a column (10) and forced down the column by a tubular baffle (16) which defines, wit... | 08/14/2007 |
| 7163199 | Ventilation system for fuel cell water tank A ventilation system for a tank which stores water to be supplied to a fuel cell, which includes: a ventilator for ventilating the tank; a gas discharge line to guide gas in the tank to outside; a separator for separating moisture and/or water from the gas from the ... | 01/16/2007 |
| 7128881 | Configurations and methods for water purification Volatile organic compounds are removed from a liquid and destroyed using a device in which an air stripper having alternating phases of hydrophilic and hydrophobic packing materials promotes transition of the VOC from the liquid phase into the gas phase, and wherein... | 10/31/2006 |
| 7125438 | Method and an apparatus for continuously deaerating a liquid The invention relates to a method for continuously deaerating a liquid. The method comprises the step that the liquid is led into a closed container (1) so that a liquid surface (7) is formed within the container (1). The space above the liquid ... | 10/24/2006 |
| 7090716 | Single phase fluid imprint lithography method The present invention is directed toward a method for reducing pattern distortions in imprinting layers by reducing gas pockets present in a layer of viscous liquid deposited on a substrate. To that end, the method includes varying a transport of the gases disposed ... | 08/15/2006 |
| 7074259 | Method and apparatus for thermal degassing In a process for thermally degassing the water in a steam system, in particular a heat recovery steam generator, which steam system preferably includes at least one steam drum, at least one economizer connected upstream of it, and at least one evaporator, economic, ... | 07/11/2006 |
| 7066988 | Segmented plate for assembly within a confined area having limited access A segmented plate adapted for assembly within a confined area or volume, and a method of assembly of the segmented plate. The plate, as assembled, has an exterior perimeter that includes exterior edge-boundaries of a plurality of generally rigid plate-sections, each... | 06/27/2006 |
| 6955705 | Method and system for compressing and dehydrating wet natural gas produced from low-pressure wells Method and system for compressing and dehydrating wet natural gas produced from a low-pressure well using a rotary screw compressor. A dehydrating agent is combined with wet natural gas within a rotary screw compressor. Operation of the rotary screw compressor cause... | 10/18/2005 |
| 6918949 | Method for contacting large volumes of gas and liquid across microscopic interfaces A method for contacting large volumes of gas and liquid together on a microscopic scale for mass transfer or transport processes wherein the contact between liquid and gas occurs at the interfaces of a multitude of gas bubbles. Multiple porous tubes assembled in a b... | 07/19/2005 |
| 6918950 | Apparatus and method for reducing residual solvent levels Apparatus and methods for reducing residual solvent levels in extracted biomass that is contaminated with HFC solvent that includes sparging the biomass extract with a solvent stripping gas such as air or nitrogen are disclosed. Apparatus for carrying out the method... | 07/19/2005 |
| 6884401 | Method for removing volatile components from a high viscosity liquid by using rotation pack bed A high viscosity liquid is fed into a rotation pack bed at a position with a distance far enough from a rotation axis, creating a centrifugal force exerted on the high viscosity liquid overwhelming a drag thereof, so that it can flow radially through the rotation pa... | 04/26/2005 |
| 6878188 | Method and apparatus for removing VOCs from water A method and apparatus for removing volatile contaminants, such as methyl tertbutyl ether (MTBE), from water or other supplies of liquid. In one embodiment of the invention, a gas is sparged through a helical flow of liquid to strip away contaminants. The flowrate o... | 04/12/2005 |
| 6840983 | System and method of water treatment The present invention generally offers a system and a method that allows a vessel to treat water while providing corrosion inhibition. An oxygen stripping gas source produces oxygen stripping gas that may be pumped directly to, preferably but optionally, a venturi i... | 01/11/2005 |
| 6830607 | Slurry tray and slurry tray assembly for use in fractionation towers A slurry tray and a method for removing residual vinyl chloride monomer from a polyvinylchloride resin slurry with reduced discoloration of the polyvinylchloride resin is provided. The slurry tray preferably includes partitioned channels that cause the slurry to flo... | 12/14/2004 |
| 6749183 | Production method of electronic parts and water treatment apparatus A water treatment apparatus including a mixing bath having an open portion where a carbonic acid gas intermixed with water to be treated by the water treatment apparatus and dissolved oxygen excluded from the water to be treated are discharged. The water treatment a... | 06/15/2004 |
| 6716273 | Method and device for eliminating oxygen contained in aqueous monomer solutions A continuous process for removing oxygen from aqueous monomer solutions, including flowing an inert gas and a monomer solution in a column-shaped apparatus as a countercurrent, wherein the monomer solution is added at the head of the apparatus, flows through the app... | 04/06/2004 |
| 6644334 | Method and system for reducing the viscosity of crude oil employing engine exhaust gas A method and system for treating crude oil to improve its flowability includes operating an internal combustion engine to produce exhaust gas, reducing the temperature of the exhaust gas, injecting cooled exhaust gas into a separator in which water is ext... | 11/11/2003 |
| 6602327 | Process for removing an undesirable dissolved gas from a liquid Undesirable dissolved gas is removed from a liquid by pressurizing the liquid containing the undesirable dissolved gas therein. The liquid is then directed into a hydrocyclone having an inlet optimized for liquid particle movement through a liquid vortex ... | 08/05/2003 |
| 6582498 | Method of separating carbon dioxide from a gas mixture using a fluid dynamic instability In a method of separating carbon dioxide from a gas mixture, a liquid solvent flows down an array of vertical wires with the gas mixture flowing over the liquid. Once on the wire, the liquid quickly breaks up into drops of varying sizes, with each size mo... | 06/24/2003 |
| 6527950 | Construction of a water treatment appliance A water treatment apparatus for treating ozone with water is disclosed. A treatment carafe has a gas conduit so that off gases which accumulates in the carafe may be vented during a treatment cycle. The gas conduit conveys the off gas from the carafe to a... | 03/04/2003 |
| 6521022 | Apparatus and method for reducing residual solvent levels Apparatus and methods for reducing residual solvent levels in extracted biomass that is contaminated with HFC solvent that includes sparging the biomass extract with a solvent stripping gas such as air or nitrogen are disclosed. Apparatus for carrying out... | 02/18/2003 |
| 6491815 | Construction of a water treatment reservoir for a domestic water treatment appliance A water treatment apparatus for treating ozone with water is disclosed. The water treatment reservoir has a bottom, a fill line, a head space for receiving off gas provided above the fill line and a passageway for conveying off gas from the head space to ... | 12/10/2002 |
| 6488743 | Metal melt treatment equipment Equipment for the treatment of a liquid such as a metal melt has one or more rotors (5) for the supply of gas and/or particulate material to the liquid in a reaction chamber (1). The reaction chamber (1) is closed and has an inlet (3) and an outlet (13) a... | 12/03/2002 |
| 6436710 | Headspace sampling and monitoring systems and methods A headspace sampling system monitors materials in wastewater. The headspace sampling system comprises a sample receptacle that can contain a wastewater sample; a sparger chamber vapor column; a sample receptacle cover assembly that connects the sparger ch... | 08/20/2002 |
| 6325842 | Method and apparatus for aerating The present invention is a method and apparatus for aerating liquids including pumping liquids to be aerated into a hollow manifold, providing nozzles on the manifold and openings in the top of the manifold for spraying the liquids to be aerated therefrom... | 12/04/2001 |
| 6287369 | Low pressure radon stripper for wells A radon stripper system for removing radon from well water including a draft tube and an air supply line that is interfaced with a gas supply. The draft tube is vertically aligned beneath the surface of the water in a well. Gas is delivered into the draft... | 09/11/2001 |
| 6193893 | Stripping of contaminants from water Process and apparatus to strip volatile contaminants from a liquid supply stream in which the contaminants are dissolved. A gas inducing mixer-injector injects a stripping gas into the stream to form a mixed stream of liquid with its contaminants and bubb... | 02/27/2001 |
| 6171368 | Gas extraction from closed containers Apparatus and an associated method of operation are disclosed for removal of gaseous contaminants, particularly oxygen, from closed containers. The apparatus is economical, simple to install and operate, of convenient size, and highly effective. A gas ext... | 01/09/2001 |
| 6146603 | System for recovering carbon dioxide from a lean feed A system for recovering absorbate such as carbon dioxide using an alkanolamine absorbent fluid, wherein the loaded absorbent is heated in a two step heating procedure prior to the separation of the absorbate from the absorbent, and wherein the loaded abso... | 11/14/2000 |
| 6105942 | Method and apparatus for enriching a liquid with a gas A liquid enriched with a high concentration of free gas, in particular, water enriched with free oxygen, is produced by mixing the gas and liquid in an overpressurized system to form a mixture and then abruptly reducing the pressure of the mixture. Altern... | 08/22/2000 |
