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| Number | Title | Issue Date |
| 7367225 | Apparatus for measuring mecury contained in gaseous medium To provide a highly reliable apparatus for measuring mercury contained in the gaseous medium, in which the outlet port 3b of the reducing tube and the gas-liquid separator, both susceptible to deposition of stain, can be automatically cleaned to avoid ... | 05/06/2008 |
| 7214290 | Treatment of spent caustic refinery effluents In the methods for treatment of caustic effluents described in the specification, a spent caustic refinery effluent is supplied to a submerged combustion gas evaporator in which hot combustion gas containing carbon dioxide is injected into the caustic liquid to conc... | 05/08/2007 |
| 7077740 | Paint spray booth A paint spray booth is provided containing a plenum packed with a contact material for treatment of paint overspray generated during operation of the paint spray booth. The contact material is packed to provide a relatively large surface area and a relatively large ... | 07/18/2006 |
| 6962199 | Method for removing condensables from a natural gas stream, at a wellhead, downstream of the wellhead choke The present invention relates to a method for removing condensables from a natural gas stream, at a wellhead, downstream of the wellhead choke thereof. In accordance with the invention there is provided a method for removing condensables from a natural gas stream at... | 11/08/2005 |
| 6953495 | Low-energy venturi pre-scrubber for an air pollution control system and method A low-energy venturi pre-scrubber optimized for removing abrasive particles from a gaseous effluent is disclosed. While venturi scrubbers are efficiently used for at removing entrained particulates in air pollution control systems, they can be damaged due to the abr... | 10/11/2005 |
| 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 |
| 6878187 | Seeded gas-liquid separator and process A separation process, the steps that include: providing an expansion zone, flowing a gaseous fluid into and through the expansion zone, flowing a spray of liquid droplets into the expansion zone to mix with the gaseous fluid and produce nucleation sites, then expand... | 04/12/2005 |
| 6849105 | Method and installation for treating effluent gas containing hydrocarbons Prior to passing through pumping apparatus effluent gas containing hydrocarbons is subjected to washing by being sprayed with aromatic type oil in oil-recirculating washing apparatus. Polycyclic aromatic hydrocarbons contained in the effluent gas are trapped by bein... | 02/01/2005 |
| 6830608 | Apparatus for contacting large volumes of gas and liquid across microscopic interfaces An apparatus for contacting large volumes of gas and liquid together on a microscope 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 ... | 12/14/2004 |
| 6284019 | Scrubber and method for removing pollutants from a gas with intermediate sump for collecting filtering agent A scrubber for removing pollutants from a gas comprising a housing for conducting the gas therethrough, a mechanism for introducing pollutant-reactive filtering agent into the housing, a sump for collecting the filtering agent and having a first volume, a... | 09/04/2001 |
| 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 |
| 6027552 | Method for removing ammonia and carbon dioxide gases from a steam A method for reducing residual ammonia gas from a steam in a steam condenser. The method includes forming a condensate and a residual gas in a first stage, then forming a condensate curtain in the second stage and passing the residual gas through the cond... | 02/22/2000 |
| 5772709 | Apparatus for removing ammonia and carbon dioxide gases from a steam A geothermal steam condenser for reducing residual ammonia gas from a geothermal steam. The present condenser includes a column attached to the condenser for forming a curtain of temperature conditioned condensate, such that residual ammonia gas is passed... | 06/30/1998 |
| 5354364 | High efficiency advanced dry scrubber An improved apparatus and method for spraying a liquid into a flue gas provides a boundary layer of gas along a perimeter of a dry scrubber housing to prevent deposition of wet material on the sidewalls thereof. The boundary layer of gas includes the use ... | 10/11/1994 |
| 4926620 | Cleaning gas turbine inlet air A process and apparatus for cleaning contaminants from inlet air passing to a gas turbine, including contacting the air with a stream of water at a rate and spray pattern sufficient to reduce contaminants present in the air. The water scrubbing action of ... | 05/22/1990 |
| 4328012 | Air washer/scrubber An air washer or scrubber, particularly for paint spray booths and especially adapted for removing paint particles from air passing downwardly through the grille floor of a paint spray booth and against a water-washed subfloor, comprises an elongated V-sh... | 05/04/1982 |
| 4289506 | Scrubbing apparatus Methods and apparatus for scrubbing a gas with a scrubbing fluid are disclosed. The apparatus disclosed includes a rotatable scrubbing fluid impeller rotatable about an axis of rotation and a scrubbing fluid supply conduit to supply scrubbing fluid to an ... | 09/15/1981 |
| 4239512 | Air washer particularly for paint spray booths Air or other gases containing contaminants or requiring treatment are moved into at least one substantially continuous sheet of treating liquid at the entrance to a streamline flow passage. A nozzle mounted adjacent the entrance end of the flow passage fo... | 12/16/1980 |
| 4141701 | Apparatus and process for the removal of pollutant material from gas streams A process and apparatus is disclosed for the removal of pollutant material including solid or liquid particulate matter and gaseous pollutants from gas streams in which the gas is driven through a mixing tube by forming a jet of a compressible fluid such ... | 02/27/1979 |
| 4115080 | Separation process A method for separating contaminants from steam is disclosed. The method comprises conveying water at the saturation temperature of the contaminated steam into an enclosed treatment scrubber containing a plurality of baffles. The water is continuously pas... | 09/19/1978 |
| 3990870 | Means and method for separating and collecting particulate matter from a gas flow Apparatus is disclosed for achieving separation of particulate matter from a gas flow by interacting the gas flow with a water curtain within a contacting chamber. The gas flow enters the contacting chamber tangentially near the bottom thereof whereby it ... | 11/09/1976 |
