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| Number | Title | Issue Date |
| 8092578 | Method and apparatus for eliminating or reducing waste effluent from a wet electrostatic precipitator A method and apparatus are provided for reducing waste effluent from a system including a boiler and a wet electrostatic precipitator, the waste effluent having blow down water discharged by the boiler during a blow down operation and bleed water discharged by the w... | 01/10/2012 |
| 8043412 | High volume, multiple use, portable precipitator A portable high air volume electrostatic collection precipitator for analyzing air is provided which is a relatively small, self-contained device. The device has a collection electrode adapted to carry a variety of collecting media. An air intake is provided such th... | 10/25/2011 |
| 7473298 | Charged water particle, and method for creating environment where mist of charged water particle is dispersed Charged fine particulate water is provided, which has a nanometer particle size, for example, a particle size of 3 to 100 nm, and contains radicals such as hydroxyl radicals and superoxides. This charged fine particulate water can be generated by applying an electri... | 01/06/2009 |
| 7427313 | Air purification device The device according to the invention includes a drip chamber, which is adapted for connecting to the ordinary water mains, a metal plate and a nozzle that is connected to the drip chamber and disposed above the metal plate and a collecting vessel. The object of the... | 09/23/2008 |
| 7354474 | Dry dust filter for using in operations endangered by gases The invention related to dust filters (1) which are especially used in operations endangered by gases and comprise filter elements (10) rendered antistatic by means of derivative constituents such as carbon fibres, salts or special steel fibres (26,... | 04/08/2008 |
| 7329320 | Apparatus for electrifying particle apparatus for scattering particle Disclosed is an apparatus for electrifying spacers and an apparatus for scattering spacers using the same. For the purpose of maintaining a cell gap of a LCD, the spacer is electrified to have a first electrified voltage by a first electrifying pipe having a first c... | 02/12/2008 |
| 7318857 | Dual flow wet electrostatic precipitator An apparatus for removing particulate matter from a gas stream containing particular matter, the apparatus comprising: a mist-producing element that mixes a gas stream entering the apparatus with liquid droplets; a down-flow Wet Electrostatic Precipitator (WESP) sec... | 01/15/2008 |
| 7299710 | Hand-held trace vapor/particle sampling system A sampling system that contains filter components for collecting and concentrating vapor and particles in high-volume flows. The sample is then vaporized and delivered to a detector at a low-volume flow. The invention also has a sampling probe that contains an air-j... | 11/27/2007 |
| 7300496 | Methods and apparatus for air pollution control A method for filtering particle-laden gas includes electrostatically precipitating particles from the particle-laden gas to produce a gas having residual particulates, agglomerating the residual particulates, and using a fabric filter to filter the agglomerated resi... | 11/27/2007 |
| 7297182 | Wet electrostatic precipitator for treating oxidized biomass effluent An apparatus for removing particulate matter from a biomass combustion gas stream, the apparatus having a mist-producing element that mixes a gas stream entering the apparatus with liquid droplets; a Wet Electrostatic Precipitator (WESP) section that includes ionizi... | 11/20/2007 |
| 7267708 | Rigid electrode ionization for packed bed scrubbers An ionizing particulate scrubber is provided for the removal of particulate from a gaseous exhaust stream, said scrubber including two sections: a charging section and a collection section. The charging or ionizing section includes one or more cylindrical tubular gr... | 09/11/2007 |
| 7252701 | Method of cleaning electric filter and electric filter The invention relates to a method of cleaning an electric filter and to an electric filter. In the method gas containing particles is fed to a chamber (2) of the electric filter. The gas is further fed to gas channels (5) in an emission system (3 | 08/07/2007 |
| 7160358 | Pollution control in wood products dryer Contaminant laden gas streams from wood product dryer operations, and other sources, are purified. The gas stream first is saturated with moisture by contacting the gas stream with fine liquid droplets which entrain particulates. The gas stream then is subjected to ... | 01/09/2007 |
| 7156902 | Wet electro-core gas particulate separator A gas separation apparatus combines the technologies of electrostatic precipitators and centrifugal particle separators into a single unit. At an inlet into the gas separation apparatus, a water spray is introduced into the gas stream. The water spray may include va... | 01/02/2007 |
| 7147692 | Air cleaning apparatus and method for cleaning air The method involves contacting the air with an aqueous or non-aqueous liquid in a stand-alone system. The air may be brought into contact with the liquid using a number of different types of apparatus, including a packed column scrubber. The liquid may be non-evapor... | 12/12/2006 |
| 7132009 | Air filter device for air exhauster An air filter device for an air exhauster includes at least one static electricity dust-collecting module, at least one water-cleaning module and a casing. The static electricity dust-collecting module is operated to generate static electricity for electrically attr... | 11/07/2006 |
| 7112236 | Multistage space-efficient electrostatic collector A multistage space-efficient electrostatic collector cleans a gas flowing therethrough along a gas flow path having a first stage provided by a first corona discharge zone along the gas flow path, and a second stage provided by a second corona discharge zone along t... | 09/26/2006 |
| 7101424 | Ionizer and use thereof in an exhaust gas purifying system for moisture-laden gases In an ionizer of an exhaust gas ionization system for ionizing moisture-laden gases in a channel comprising a nozzle plate having circular nozzle openings through which the gases are conducted, a high voltage electrode support grid arranged downstream of the nozzle ... | 09/05/2006 |
| 7094274 | Use of manganese compounds to improve the efficiency of and reduce back-corona discharge on electrostatic precipitators Manganese is added to a combustion fuel, combustion air, or the resulting combustion exhaust gas in order to improve the efficiency of an electrostatic precipitator in collecting the resulting fly ash. Further, manganese or other flame suppressant is added to a fuel... | 08/22/2006 |
| 6966942 | Process for purifying exhaust gases by employing a bubble generator A process for purifying exhaust gases using a bubble generation device is disclosed. ... | 11/22/2005 |
| 6964698 | Gas supply for electrostatic filter and electrostatic filter arrangement The invention relates to a gas supply for an electrostatic filter and an electrostatic filter arrangement which has an electrostatic filter and a gas supply. Here, the gas supply has an incoming flow channel of constant cross-sectional area, a gas inlet hood with cr... | 11/15/2005 |
| 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 |
| 6941065 | Camera interlocks that ensure proper movement of film The camera of this invention has a film cassette compartment, a film spool (13), a film exposing area, and an interlock that prevents moving exposed film from the film cassette. With the camera, a film cassette (2) is loaded into the film cassette comp... | 09/06/2005 |
| 6902604 | Electrostatic precipitator with internal power supply An electrostatic precipitator, including for a diesel engine electrostatic crankcase ventilation system for blowby gas, includes a corona discharge electrode assembly in a housing, an insulator extending along an internal surface of a wall of the housing, a power su... | 06/07/2005 |
| 6238459 | Ultra-high particulate collection of sub-micron aerosols A method and apparatus for ultra-high particulate collection of sub-micron aerosols in a fuel gas conveys the fuel gas to a first venturi scrubber for removing a relatively large amount of particulates and leaving a smaller particulate load which is not r... | 05/29/2001 |
| 6190630 | Flue gas treating process and apparatus This invention provides a flue gas treating process for removing sulfur oxides and dust from exhaust gas containing sulfur oxides and dust by using an absorption tower into which an absorbing fluid containing an alkaline agent is sprayed, comprising the s... | 02/20/2001 |
| 6149713 | Flue gas treating process The dust concentration of the flue gas leaving an electrostatic precipitator and introduced into an absorption tower of a desulfurizer is adjusted to a level of 100 to 500 mg/Nm3. At the same time, a dust slurry having a higher dust concentrati... | 11/21/2000 |
| 6126722 | Electrostatic reduction system for reducing airborne dust and microorganisms A dust reduction system for reducing airborne contaminants such as, for example, dust, smoke, microorganisms, etc., includes at least one ion generator made up of at least one ionizer bar and a ground plane which is parallel and proximate to at least one ... | 10/03/2000 |
| 5968231 | Cyclone exchanger with tranquilizing tank and method for purifying and decontaminating air A device and a method for purifying and decontaminating air uses an exchanger of the cyclone type and furthermore employs a combination of the action of cyclonic centrifugation and the action of at least one path enhancing field. A tranquilizing chamber, ... | 10/19/1999 |
| 5914454 | Apparatus and method for concentrating constituents from a gas stream An apparatus for sampling a gas stream and concentrating selected constituents found therein. The apparatus includes a collection chamber into which a gas stream is drawn and a nozzle which sprays charged droplets of a collection fluid countercurrent to t... | 06/22/1999 |
| 5648046 | Method and a system for disinfecting air in air conditioning ducts A method and system for disinfecting air in ventilation ducts, using a non-poisonous and substantially non-volatile disinfectant. The disinfectant is vaporized by micro-vaporizer, and ionization electrodes ionize the air and the disinfectant particles. An... | 07/15/1997 |
| 5607596 | Processes for the treatment of combustion residues and for the purification of combustion fumes Process for the treatment of the combustion residues and for the purification of the combustion fumes, in which the residues are washed and then rinsed to reduce the leachable fraction both in respect of the trace elements and in respect of the total solu... | 03/04/1997 |
| 5470556 | Method for reduction of sulfur trioxide in flue gases The invention is a method for reduction of sulfur trioxide in flue gases which includes (a) combusting air and petroleum coke in a combustion zone to produce a particulates, sulfur trioxide, and sulfur dioxide-containing combustion product gas; (b) passin... | 11/28/1995 |
| 5417920 | Odor control method An odor control method includes an inlet section of a chamber for spraying waste gas with a suitable reactive chemical agent, for odor removal purposes. An electrostatic precipitator is mounted downstream of the inlet section, within the chamber, for remo... | 05/23/1995 |
| 5380503 | Stocker A stocker for accommodating, storing or transporting articles in clean, contamination-free conditions for either a long time or temporarily. The stocker has a particle collector provided in a part thereof. The particle collector includes an irradiation so... | 01/10/1995 |
| 5310416 | Process and apparatus for the absorption of explosive gases in a mass transfer column The separation process and apparatus is based on conducting the explosive gas or vapour through a mass transfer column which is charged with an absorbent and filled with an electrically conductive packing. The packing (2) of the mass transfer column (1) m... | 05/10/1994 |
| 5160510 | Process and apparatus for purifying dust- and pollutant-containing exhaust gases A process and apparatus are used for purifying dust- and pollutant-containing exhaust gases, which are first subjected in a first stage to a dry purification in a mass separator and are subsequently subjected in a second stage to an electrostatic purifica... | 11/03/1992 |
| 4872887 | Method for flue gas conditioning with the decomposition products of ammonium sulfate or ammonium bisulfate A method is provided for enhancing the efficiency of fly ash collection in an electrostatic precipitator by lowering the resistivity of the fly ash particles in the flue gas, comprising the steps of introducing an aqueous solution of ammonium sulfate or a... | 10/10/1989 |
| 4541844 | Method and apparatus for dielectrophoretically enhanced particle collection Method and apparatus for the removal of particulate matter, fumes, mists and noxious gases from a gas stream utilizing selectively sized and electrically charged water droplets, preferably between 30 and 60 microns, that exhibit significantly enhanced aff... | 09/17/1985 |
| 4378236 | Method and apparatus for recovering heat and smoke from an airstream A method and apparatus for recovering heat and volatilized fluid contaminates or smoke from an airstream, and which includes continuously spraying a fluid, such as lightweight oil, into the airstream, collecting and cooling the sprayed fluid and any conde... | 03/29/1983 |
