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| Number | Title | Issue Date |
| 8182585 | System and method of controlling dust and/or odors with a blower unit and a deployable baffle member A system and method for controlling dust and/or odors comprises a blower unit and baffle member deployed downstream of the blower unit. The blower unit comprises a fan propelled mister with a discharge tube and a fan disposed in the discharge tube adapted for drawin... | 05/22/2012 |
| 7854792 | Reactive gas control Aspects include a valve comprising a flowing liquid, operable to control a flow of gas through a port. Certain aspects include reaction chambers operable to react gases, and in some aspects gases are substantially contained within an envelope comprised of a flowing ... | 12/21/2010 |
| 7368001 | Vapour recovery systems in a storage tank filling pipe A vapor recovery system for use during filling of a tank installation with a volatile liquid. The tank has a fill-pipe for the introduction of the liquid into the tank wherein the exit to which fill-pipe is normally below the liquid level in the tank. The vapor reco... | 05/06/2008 |
| 7332007 | Dusting device with multiple stream nozzles A dedusting device 1 with a demister 15 advantageously arranged standing obliquely has a very compact construction because sufficient moistening or wetting of dust-containing crude air 24 is possible through the use of intensively acting multipl... | 02/19/2008 |
| 7326286 | Exhaust gas treating tower Provided is an exhaust gas treating tower in which exhaust gas flow velocity is increased more than a prior art case so that exhaust gas treating efficiency can be enhanced or the exhaust gas treating tower can be made compact if equivalent performance is to be main... | 02/05/2008 |
| 7291196 | Filamentary pad for improved mist elimination and mass transfer An apparatus and method of making a filamentary pad for improved mist elimination and mass transfer comprising a plurality of layers of mesh, each layer of mesh having a plurality of mesh openings defined therein. A plurality of preferential gas flow openings, each ... | 11/06/2007 |
| 7273513 | Acid gas removal The use of turbulent contactors to simultaneously absorb selected acid gas components from a gas stream and flash off hydrocarbons entrained in a liquid stream which include a solvent or reagent for the selected gas component. In particular, the method comprises fee... | 09/25/2007 |
| 7270316 | Distillation column tray configuration A new tray configuration for a distillation column that utilizes the entire column cross section area as active tray area for vapor/liquid contact. The new tray configuration has no downcomers and utilizes a liquid/vapor seal pan(s) located in the vapor space of the... | 09/18/2007 |
| 7267806 | Sterilization system and method with heat pump operated vaporizer/condenser A chemical vapor sterilization process is enhanced by concentrating a germicide via condensation and re-vaporization thereof, exploiting the difference between the vapor pressures of the germicide and its solvent to extract some of the solvent during the condensatio... | 09/11/2007 |
| 7265669 | Networks with sensors for air safety and security Airborne particles are impacted on a collection surface, analyzed, and then the collection surface is regenerated. Thus, the same collection surface can be used in numerous cycles. The analysis can be focused on one or more properties of interest, such as the concen... | 09/04/2007 |
| 7228871 | Device for reducing separation of volatile organic compounds from oil during filling of tanks A device for reducing evaporation of volatile organic compounds (VOC) during filling of a substantially liquid petroleum product into a storage and/or transportation tank (18) via a down pipe (14), wherein the down pipe (14), which has a non-con... | 06/12/2007 |
| 7182919 | Sulphurous acid generator with air injector This invention presents a sulphurous acid generator which employs a combination of novel blending contact and mixing mechanisms which maximize the efficiency and duration of contact between sulphur dioxide gas and water to form sulphurous acid in an open nonpressuri... | 02/27/2007 |
| 7174715 | Hot to cold steam transformer for turbine systems A steam transformer (200) receives steam through a steam inlet (203), and the steam is mixed in a mixing zone (231) with water entering through a water inlet (205). Steam cooled by contact with the water exits the steam transformer throug... | 02/13/2007 |
| 7155988 | Dual air particle sample cassette An air particle sample cassette enables concurrent or sequential collection of air particle samples. The dual air particle sample cassette has top and bottom covers that fit together to provide an airtight seal between them. The airtight seal may be provided by adhe... | 01/02/2007 |
| 7135058 | Polluted air treatment method and system A system for removing at least one pollutant from an air stream exhaust, the system including a plurality of enclosures through which the air stream exhaust is directed to cool the air stream exhaust, a plurality of barriers within each respective enclosure to imped... | 11/14/2006 |
| 7125437 | Method and apparatus for enhanced particle collection efficiency A method and apparatus for particle collection (30) that is characterized by co-aerosolizing fluids (62) into an air stream (34) containing the particles to be analyzed to significantly enhance their collection and identification efficiency is p... | 10/24/2006 |
| 7062982 | Method and apparatus for concentrated airborne particle collection An apparatus for collecting biological aerosols from an air sample is provided comprising an air intake assembly adapted to draw the air sample into the apparatus, a separation section coupled to the intake assembly and adapted to separate aerosol particles from the... | 06/20/2006 |
| 7018451 | Fluid separation system A method of removing acid gas components from a gas mixture. Certain embodiments of the method involve bringing the gas mixture into contact with a liquid solvent or reagent for the acid gases in a first turbulent contactor and subjecting the gas mixture and liquid ... | 03/28/2006 |
| 7014684 | Method for the treatment of waste gas from a cellulose plant A process and a device for cleaning waste gas from pulp production, especially for cleaning waste gases from a bleaching reactor. Aerosols contained in the waste gas are removed and the gaseous impurities are scrubbed out of the waste gas by a scrubbing liquid. ... | 03/21/2006 |
| 7008658 | Apparatus and method for providing treatment to a continuous supply of food product by impingement An apparatus and method for providing treatment by impingement to a continuous supply of food product includes a treatment zone at an ambient pressure, a fluid delivery zone at an elevated pressure, and a circulation assembly. Impingement plates containing apertures... | 03/07/2006 |
| 6977007 | Method for separating a gas mixture with a permeation membrane unit A method of separating a gas mixture using a permeation membrane unit, wherein the gas mixture, containing primarily hydrogen and carbon monoxide, is first treated to reduce the level of secondary components to lower than 100 molar ppm. ... | 12/20/2005 |
| 6905537 | Machine and process for filterless removal of particles and organisms from ambient air, carpets and furnishings A machine and process for filterless wet removal of particles from air, carpets or upholstery, comprised of a suction inlet pipe or other contained conveyance for drawing particle laden air and solvent fluid simultaneously into an impeller, an injection orifice for ... | 06/14/2005 |
| 6852146 | Pocket vane particle and droplet eliminator A vane-type mist eliminator is provided with pocket-like channels extending along the lengths fo the vanes. The pockets allow droplets entrained in a gas stream to impinge and cling to the vane, and then drain, without being re-entrained in the gas stream because th... | 02/08/2005 |
| 6852145 | Method, apparatus and system for the condensation of vapors and gases A method for condensing fumes or gases from a tank containing a liquid. The method includes leading the liquid into a venturi to create a low pressure at the venturi. Ports are provided in the venturi at the area where the low pressure is created, and gas/vapor is l... | 02/08/2005 |
| 6797035 | Oxidizing additives for control of particulate emissions The present invention discloses a process for removing undesired particles from a gas stream including the steps of contacting an additive containing nitrate and/or nitrite anions with the gas stream; collecting the undesired particles and additive on a collection s... | 09/28/2004 |
| 6752854 | Venturi scrubber plate, waste capture system, and method A venturi scrubber plate for a waste capture system and method for a waste material entrained in a fluid flow includes an enclosure having a flood sheet over which a liquid flows into a collection trough, an exhaust device which draws the fluid flow from the enclosu... | 06/22/2004 |
| 6719829 | Venturi and methods for particulate removal with counterflow sprays The present invention provides improved systems and methods for scrubbing gas with a venturi scrubber. A dual spray venturi scrubber, in which a scrubbing liquid is injected upstream and counter to the flow through the venturi, provides for improved scrubbing perfor... | 04/13/2004 |
| 6716272 | Scrubber for paint booths A scrubber assembly for removing particulate paint from a flow of air through a paint application booth is disclosed. A sheet of water received from a water source flows over flood pan collecting paint particles suspended in the flow of air. A separation chamber rec... | 04/06/2004 |
| 6699308 | Method and apparatus for the drying of natural gas A system for removing water from natural gas which comprises: bringing the natural gas into contact with a liquid including an absorbent for the water; subjecting the natural gas and liquid to turbulent mixing conditions thereby causing the water to be ab... | 03/02/2004 |
| 6656250 | Method and device for liquid purification of crude gas flows Method and apparatus for wet-cleaning crude gas streams, the method involving a flow of the crude gas stream without a pressure drop or with a low pressure drop up to 30 mbar, preferably up to 20 mbar, flowing through one or more parallel venturi throats ... | 12/02/2003 |
| 6627166 | Gas filtering device The invention concerns a device for filtering gas comprising a microporous or microfibrous adsorbent filter (6) and means for forcing an air flow between an exhaust hood (2) and outlet duct (3) for the filtered air. The invention is characterized in that ... | 09/30/2003 |
| 6547855 | Mass transfer system A mass transfer machine removes dissolved gases or volatile organic compounds from air or a liquid. The mass transfer machine includes a vessel capable of containing a liquid and having a liquid inlet and an air inlet at a near end. It further includes a ... | 04/15/2003 |
| 6517732 | Method of removal of air from blood A method and apparatus for removing air from blood which contains air. The air-containing blood is conducted through a cyclone device as a rotating cyclone stream, so that centrifugal forces for the separation of the air from the blood are produced in the... | 02/11/2003 |
| 6402815 | Methods and apparatus for purifying air using mixing liquid Methods and apparatus for purifying contaminated air using mixed liquid are disclosed. The invention includes an air inlet structure for taking in contaminated air, an air purifying compartment connected to the air inlet structure at one end for purifying... | 06/11/2002 |
| 6383260 | Venturi scrubber with optimized counterflow spray A venturi scrubber for cleansing a contaminated gas flow is disclosed. An optimized spray of liquid droplets are injected into the gas flow from one or more nozzles positioned within the throat of each venturi element. The spray is injected counter to the... | 05/07/2002 |
| 6312504 | Rotary washer with obliquely positioned demister For purifying dust-containing air, particularly in underground mining and tunnel construction, a dust separator 1 in the form of a rotary washer 1 is proposed. The drive 5 of said rotary washer 1 is equipped with a gear unit 10 in order to enable long-ter... | 11/06/2001 |
| 6284024 | Fluid separation system The use of a turbulent contactor to absorb a selected gas component from a gas stream. The invention particularly applies to a method of removing selected gas components from a gas stream which includes: bringing the gas stream into contact with a liquid ... | 09/04/2001 |
| 6284023 | Separation of acid gas from natural gas A method for removing acid gas components from combustion gas and natural gas. The method includes bringing the gas mixture into contact with sea water and subjecting the gas mixture and sea water to turbulent mixing conditions. This causes the acid gas t... | 09/04/2001 |
| 6280505 | Separation of acid gases from gas mixtures A method for removing acid gas components from combustion gas and natural gas. The method includes bringing the gas mixture into contact with sea water and subjecting the gas mixture and sea water to turbulent mixing conditions. This causes the acid gas t... | 08/28/2001 |
| 6241809 | Apparatus and method for liquid scrubbing contaminants from a gas flow A scrubber more effectively mixes air or gas with water or a liquid cleaning agent to entrain and thereby clean contaminants from an airflow. An improved baffle-defining structure forces a more complete interaction between the air and water and buffets th... | 06/05/2001 |
