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| Number | Title | Issue Date |
| 7736421 | High saturation ratio water condensation device and method An apparatus and method for producing a region of vapor super-saturation and particle growth in a laminar flow by surrounding the particle flow with a saturated or super-saturated sheath flow from which vapor diffuses into the aerosol flow. This method is applicable... | 06/15/2010 |
| 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 |
| 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 |
| 7025809 | Dual-type air purification system An air purification system for treating pollutants in a gas stream. The air purification system includes a housing with a plurality of nozzles, an acidic water supply device and an alkaline water supply device. The housing introduces the gas stream. The acidic water... | 04/11/2006 |
| 6969500 | Method for separating titanium tetrachloride The invention relates to a method for separating titanium tetrachloride and the hydrolyzed reaction products of titanium tetrachloride from the exhaust gases generated during the chlorination of raw materials containing titanium by treating the exhaust gases with a ... | 11/29/2005 |
| 6946105 | Process and apparatus for the recovery of metal oxide particles A process for the recovery of metal oxides from a solution containing metallic salts by spray roasting of these solutions. The process is particularly suitable for spray roasting spent pickling acids. The process feeds the solution to a reactor for spray roasting of... | 09/20/2005 |
| 6638343 | Exhaust gas treating device A waste gas treatment system has a primary cooling section provided at a stage subsequent to a decomposition treatment section in which a waste gas is subjected to decomposition treatment at high temperature. The primary cooling section has a liquid spray... | 10/28/2003 |
| 6458188 | Method and means for air filtration A method of filtering an air or gas stream utilizes a liquid, such as water, to saturate the gas stream. A sufficient quantity of water is presented to the gas stream to saturate the gas stream and knock particulate matter out of the gas stream. The gas s... | 10/01/2002 |
| 6333003 | Treatment apparatus, treatment method, and impurity removing apparatus A treatment apparatus for treating a substrate in an isolated treatment space in an air-conditioned clean room, comprising a removing unit including a plurality of removing sections for recovering at least some of air in the treatment space and removing i... | 12/25/2001 |
| 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 |
| 6248156 | Particulate capture system and method of use A particulate capture system has an air circulating chamber that separates a first portion of particulates trapped within an air stream. The particulate capture system also has a water injection chamber that separates a second portion of particulates trap... | 06/19/2001 |
| 6154909 | Method of suppressing the formation of sulfuric acid aerosole in exhaust gas purification systems In a method for suppressing the formation of sulfuric acid aerosols in exhaust gas purification systems, the exhaust gas is presprayed with water so that the temperature does not drop below the dew point of sulfuric acid in the exhaust gas, with this spra... | 12/05/2000 |
| 6019819 | Apparatus and method for extracting heat from contaminated waste steam Disclosed is a contaminated waste steam heat recovery apparatus 10 and method therefore which includes a primary condensing unit 38, a low pressure water washing unit 26, a liquid to liquid heat exchanger 36 and a vent fan 31. Waste gas is ducted from fry... | 02/01/2000 |
| 5971063 | Vapor condenser A vapor condenser includes a conduit defining a passage for guidingly communicating a vapor stream in a vapor flow direction from an inlet at a first location to a second location, a first heat exchanger between the first and second locations for open hea... | 10/26/1999 |
| 5843214 | Condensable vapor capture and recovery in industrial applications An apparatus for extracting condensable materials from exhaust gases which are produced by combustion. In a steam injected gas turbine driven powerplant, water is extracted from the exhaust gasses and returned to the cycle for steam raising and injection ... | 12/01/1998 |
| 5840100 | Apparatus for purifying hot flue gas and for receiving thermal energy therefrom Particulate-containing hot flue gas flows are flowed into a boiler having a first and a second chamber. The first chamber has a gas side and a water side. The hot flue gas flows into the gas side of the first chamber which is in heat exchange relation wit... | 11/24/1998 |
| 5756047 | Air purification method Scrubber sterilization method which initially sterilize a gas scrubber with an initial cleaning with hydrogen peroxide, provide an iodine level of approximately 5 to 10 mg/liter in water which is sprayed into the scrubber to contact the effluent gas strea... | 05/26/1998 |
| 5716428 | Method for removing harmful substances of exhaust gas discharged from semiconductor manufacturing process A method for removing harmful substances of an exhaust gas discharged from a semiconductor manufacturing process. The method includes the steps of: removing at least one of a water-soluble component, a hydrolyzable component and dust contained in the exha... | 02/10/1998 |
| 5707426 | Key advanced linear kinetic absorber method using a particulate arresting device A method for improved removal of particulates and contaminants from a flue gas produced by the combustion of waste materials or fossil fuels in industrial processes having at least one horizontally oriented heat exchanger stage in which a wet scrubbing so... | 01/13/1998 |
| 5676715 | Key advanced linear kinetic absorber system particulate arresting device An apparatus for improved removal of particulates and contaminants from a flue gas produced by the combustion of waste materials or fossil fuels in industrial processes having at least one horizontally oriented heat exchanger stage in which a wet scrubbin... | 10/14/1997 |
| 5649985 | Apparatus for removing harmful substances of exhaust gas discharged from semiconductor manufacturing process Apparatus for removing harmful substances of an exhaust gas discharged from a semiconductor manufacturing process are provided. The apparatus includes a mechanism for: removing at least one of a water-soluble component, a hydrolyzable component and dust c... | 07/22/1997 |
| 5512085 | Venturi scrubber and method with optimized remote spray An air pollution control system incorporating a venturi scrubber and a method of cleansing a particulate-laden, contaminated gas flow are disclosed. Spray nozzles are used to introduce optimized droplets of a scrubbing liquid into the venturi to maximize ... | 04/30/1996 |
| 5474597 | Method and device for gas cleaning or gas cooling In a method for cleaning polluted gas and/or cooling of hot gas, and a device for carrying out the method, the gas is contacted with finely divided liquid. The finely divided liquid is supplied in the form of essentially umbrella-shaped shells or essentia... | 12/12/1995 |
| 5453115 | Process for cooling and cleaning gas, particularly blast furnace or producer gas, containing ultrafine particles, and apparatus for performing the same A process for cooling and cleaning hot gas containing ultrafine particles exhausted from a coal gasification plant, a blast furnace, or the like. The process utilizes a vertical saturation stage to enrich the gas stream with water vapor and thereby satura... | 09/26/1995 |
| 5429667 | Process for the recovery of carbon disulfide from a steam/carbon disulfide mixture In the process for recovering carbon disulfide from a steam/carbon disulfide mixture, which is produced when the wastewater from the yarn cutters and the suspension water are treated with steam during the manufacture of viscose rayon, the vapors so produc... | 07/04/1995 |
| 5203161 | Method and arrangement for cooling air to gas turbine inlet A method and arrangement for providing air to a gas turbine inlet, to facilitate energy production, are provided. In general, preferred methods involve both cooling air to be delivered to the gas turbine inlet, and also reducing the humidity content there... | 04/20/1993 |
| 5041174 | Insert for the connection of a manganese steel part to a carbon steel part An insert for connecting a part made from a steel containing 12-14% by weight of manganese to at least one carbon steel part, said insert being made from an austenitic-ferritic alloy having the following chemical composition (in % by weight): __... | 08/20/1991 |
| 5041274 | Method and apparatus for cooling, neutralizing, and removing particulates from the gaseous products of combustion The present invention discloses a method and apparatus for cooling and removing the toxic particulates, heavy metals, noxious fumes, and acid from the gaseous products of the combustion of materials high in impurities and/or toxic substances. Said inventi... | 08/20/1991 |
| 5039315 | Method and apparatus for separating particulates from a gas stream A method and apparatus for separating particulate pollutants having a size range from submicrons to several tens of microns from a gas stream. The invention utilizes micron sized liquid particles or mists to remove the particles from the gas stream. The a... | 08/13/1991 |
| 4964885 | Method of cleaning exhaust gas of drying plants and an apparatus for implementing such method The dew point of the exhaust gas is firstly reduced to a value in the range of 60°-65° C. Thereafter the exhaust gas flows through a washing and condensing apparatus. A part of the prepurified condensate is recirculated in a loop for carrying out the la... | 10/23/1990 |
| 4880447 | Method and apparatus for steam flow venting incorporating air educting means The present disclosure sets forth a method and apparatus for adjusting the rate at which water is introduced as a cooling and decelerating fluid in mist form into a discharge vent for high velocity superheated steam. An optimum measure of water is determi... | 11/14/1989 |
| 4799941 | Method and arrangement for condensing flue gases The invention relates to a method for condensing flue gas in combustion plants, and an arrangement of apparatus herefor. In accordance with the invention the flue gas is cooled and humidified by bringing the gas into direct contact with water, whereafter ... | 01/24/1989 |
| 4763721 | Process for the cooling or heating of a gas In the heat exchange of gases, e.g., flue gas, to cool or heat same, the gas is contacted directly with a heat transfer liquid in a first direct-contact heat exchanger, the gas is then subjected to a temperature dependent process step, e.g., SO2 | 08/16/1988 |
| 4643742 | Method for cooling gases and removing dust from them The invention relates to a method and a plant for cooling gases and removing dust from them. In a first step after saturation with water vapour, the gas is brought to accelerate, additional water being simultaneously added to the dust particles in the gas... | 02/17/1987 |
| 4591366 | Method of subsequent treatment of sulfur gas from waste pyrolysis In a method of subsequent treatment of sulfur gas from waste pyrolysis, the sulfur gas is cooled after hot dust removal in many stages to an end temperature between 0° and 5° C., wherein the components [condensate] separated from the gas are subdivided ... | 05/27/1986 |
| 4586938 | Process for conditioning natural gas for pipeline transport A process for conditioning a natural gas stream containing liquid hydrocarbons, for pipeline transport, which process comprises separating the natural gas stream into a hydrocarbon liquid component and a hydrocarbon gaseous component, absorbing water and ... | 05/06/1986 |
| 4583999 | Method and apparatus for flue-gas cleaning A method of flue-gas cleaning comprising the separation of water-soluble substances from flue gases containing water vapor. The invention is characterized in that the flue gases are caused to be cooled by direct contact between flue gas and atomized water... | 04/22/1986 |
| 4582515 | Wet separator for and method of purifying polluted conditioning air A wet separator for purifying polluted conditioning air and separating solid and semi-liquid particles therefrom, especially paint particles in the outlet of a spray painting booth. For this purpose, there is a series of outlets with surfaces converging i... | 04/15/1986 |
| 4562053 | Process of cleaning flue gases from heating plants By a process of cleaning flue gases, both solid particles and nitrogen oxides and sulphur dioxide are removed from the flue gas prior to the discharging into the atmospheric air. In order to ensure that almost all the content of sulphur dioxide and nitrog... | 12/31/1985 |
| 4497641 | Apparatus and method for dust control by condensation enlargement An apparatus and method of controlling dust by enlarging and collecting dust particles through vapor nucleation and condensation. The dust particles are enlarged from sizes less than one micron to as large as ten microns. The apparatus and method can grea... | 02/05/1985 |
