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| Number | Title | Issue Date |
| 7374604 | System and method for flue gas treatment The present invention discloses a system for flue gas treatment, wherein the provided system comprises a quench module, a first control module, a filter collecting module, a wet scribing module and a regeneration module. In this system, parts of the particles contai... | 05/20/2008 |
| 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 |
| 7077886 | Emission control device and method of operation thereof An emission control device and a method of operation thereof removes particulates from air. The air is directed into the device after finely divided mist has been added to the air. The air is abruptly forced to change directions within the device and the added moist... | 07/18/2006 |
| 7056367 | Method and apparatus for scrubbing gases, using mixing vanes A scrubber for exhaust gases comprises a series of nested counter-flow passages including a hot plenum having a star-shaped section. Exhaust gases from the hot plenum surge through a liquid bath and flow in a reverse direction through an inclined array of flat, over... | 06/06/2006 |
| 7037361 | Dust collector with an inbuilt cyclonic water filter A dust collector with an inbuilt cyclonic water filter, comprising a cup-shaped dust collecting unit, a water filter, a fan, a dust passage, an air flow passage, incoming and outgoing air passages; wherein, the outlets of the water filter open into the inlet of the ... | 05/02/2006 |
| 7025336 | Apparatus for removing particulates from a gas stream Particulates are removed from a gas stream by contact with a liquid. The gas stream is conveyed through an inlet channel, towards a liquid reservoir which is located below a perforated sheet. Gas flowing through holes in the sheet creates a pressure drop between the... | 04/11/2006 |
| 6964699 | Rocket motor exhaust scrubber A wet scrubber having a series of chambers for capturing and cooling exhaust gases generated during static test firing of rocket motors. Exhaust gas enters an inlet to a first chamber and is cooled and slowed by a spray solution. HCL gas is condensed and absorbed by... | 11/15/2005 |
| 6946022 | Scrubber and exhaust gas treatment apparatus A scrubber removes dust from an exhaust gas. The scrubber includes a casing having an exhaust gas inlet and an exhaust gas outlet, an impeller housed in the casing and supported by a shaft, and a cleaning liquid supply tube for ejecting a cleaning liquid by which th... | 09/20/2005 |
| 6793814 | Clarifying tank Methods and apparatus for separating solid particles from a fluid. One preferred embodiment includes a tank for settling particles out of the fluid, a conical chamber at the bottom of the tank, an outlet connected to conical chamber, and a conical auger within the c... | 09/21/2004 |
| 6267804 | Wet gas stripper A wet gas stripper is provided for separating particulate matter entrained in a moving gas stream. The gas stripper includes a housing having a plurality of walls, and a gas inlet for receiving the moving gas stream into the housing and a gas outlet throu... | 07/31/2001 |
| 5938820 | Air and gas scrubber using recycled water mixture A gas cleaning apparatus is disclosed which comprises a housing having an inlet adjacent a bottom portion thereof and an outlet adjacent a top portion thereof. The housing preferably has at least one radially-extending vane disposed along a longitudinal a... | 08/17/1999 |
| 5762662 | System for binding resin and tar substances in wet-cleaning and wet precipitation systems A method and apparatus are provided for binding emulsified resin and tar substances in circulating water of a wet-cleaning and wet precipitation system for waste gas produced in the wood industry. Wood dust is metered into the circulating water and receiv... | 06/09/1998 |
| 5665129 | Wet flue-gas dsulfurization system A wet flue-gas desulfurization system which effectively reduces the mist concentration in the treated gas at its outlet. The system includes an absorption column, formed with a tank at the bottom which is supplied with an absorbent slurry and a circulatin... | 09/09/1997 |
| 5480463 | Apparatus for flue gas cleaning Apparatus for flue gas cleaning comprising a scrubbing chamber, a flue gas feeder, a flue gas discharger, a drain for used scrubbing water and a device for feeding and atomizing the scrubbing water. The scrubbing chamber can be divided into a scrubbing zo... | 01/02/1996 |
| 5468270 | Assembly for wet cleaning of combustion gases derived from combustion processes, especially the combustion of coal, coke and fuel oil An assembly for wet cleaning combustion gases includes at least one dust extracting device and at least one dust absorbing device. The main vessel of the dust extracting device includes a bottom having a ridge roof structure. An inlet is provided for intr... | 11/21/1995 |
| 5364424 | Filter for washing and retention of exhaust gases in motorized vehicles A filter for washing and retaining exhaust gases in motor vehicles includes one or more chambers formed by either a single chamber with a plurality of sections formed by partitions therein or by separate chambers. Each chamber is provided with an exhaust ... | 11/15/1994 |
| 4943306 | Exhaust gas purifying system This invention relates to an exhaust gas purifying system for diminishing air pollution essentially comprising to purifying devices side by side in sequential combination. The purifying device comprises a casing formed with a water or liquid chemical tank... | 07/24/1990 |
| 4452614 | Apparatus for collection of dust and soot by wetting A dust and soot collector surrounds a top portion of a stack or duct. Sprays of water are directed across a path of a gas flow exiting the stack. The water removes particles of dust and soot from the gas. A slush is created which falls into a peripheral t... | 06/05/1984 |
| 4424069 | Dry and wet dual-purpose dust-collecting device A dual purpose dust-collecting device consisting of an upright cylinder tapered at the lower end to form a settling chamber containing water. An inner cylinder formed with a plurality of circumferentially spaced tangential inlets is secured to the inside ... | 01/03/1984 |
| 4285703 | Apparatus for cleaning gas An air washer comprises upper and lower plenum chambers which are separated by a panel which carries tubes. A spray nozzle above each tube is oriented to direct the conical spray it forms into the tube to wet the lower half of the bore of the tube. An inl... | 08/25/1981 |
| 4269612 | Exhaust gas cleaning system An exhaust gas cleaning system adapted to clean smoke or other waste gases through a liquid bath process. This system comprises a generally cubicle enclosure divided internally into three separate compartments. The first compartment includes means for inp... | 05/26/1981 |
| 4253854 | Dust filter apparatus Dust filter equipment includes a fibrous mat filter (37) having a low fibre density and a low loft so that when water is fed onto the filter it saturates the filter throughout its thickness and flows freely down the filter to form an effectively continuou... | 03/03/1981 |
| 4182617 | Apparatus for the wet separation of foreign particles from air An apparatus for the wet separation of foreign particles from contaminated air includes a closed vessel containing a predetermined level of liquid. A supply duct supplies contaminated air containing foreign particles into the vessel at a position above th... | 01/08/1980 |
| 4165973 | Dust collector and air scrubber A dust collector and air scrubber which combines an inverted U-shaped water curtain section having multiple water sprays with a water bath and has a double bank eliminator section in advance of the outlet. A scrubber wall in the water spray area removes p... | 08/28/1979 |
| 4152126 | Equipment for removing dust particles from an air stream Apparatus for removing dust particles from an air stream includes a tubular housing having an inlet end and an outlet end; a plurality of Venturi tubes having open inflow ends and open outflow ends supported side-by-side within the housing, with their axe... | 05/01/1979 |
| 4102657 | Centrifugal gas scrubber Air quality control system scrubs flue gas of SO2 and particulates with a slurry of lime/limestone and water. The contact between the slurry is in a centrifugal section which is the upper part of a tank in which the chemical action is completed... | 07/25/1978 |
| 4067706 | Apparatus for gas scrubbing and particulate solids removal Wet type gas scrubber in which gases are brought into a central column tangentially and swirled downwardly towards the scrubbing water in a settling tank. The gases are then reversed upwardly and outwardly of the central column where they are passed throu... | 01/10/1978 |
| 3989488 | Multi-stage air scrubbing unit An air scrubber employing means which cause the air entering the scrubber to follow a circular path is provided for removing solid, liquid and gaseous contaminants from air. Removal is through a liquid contact system in which slow-moving contact with clea... | 11/02/1976 |
