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7597750 |
Hybrid wet electrostatic collector
A hybrid wet electrostatic precipitator for collecting sub-micron and nano-particulate material. The collector can be made up of three concentric tubes or pipes with an internally formed gas path...
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7559976 |
Multi-stage collector for multi-pollutant control
A multi-stage collector for multi-pollutant control that contains alternating narrow and wide sections with glow discharge electrodes in some narrow sections, a uniform electric field in wide...
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7540900 |
Air clarifying apparatus and air clarifying method
The air clarifying apparatus includes a negative ion generator and an indoor air circulator. It further includes an ozone generator having a capability of maintaining the average concentration...
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7521026 |
Field-enhanced electrodes for additive-injection non-thermal plasma (NTP) processor
The present invention comprises a field enhanced electrode package for use in a non-thermal plasma processor. The field enhanced electrode package includes a high voltage electrode and a...
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7517394 |
Wet electrostatic Ionising step in an electrostatic deposition device
A wet electrostatic ionization stage in an electrostatic separation device for purifying a flowing aerosal including finely dispersed particles entrained in a gas. The wet electrostatic ionization...
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7510600 |
Gas purifying apparatus
A gas purifying apparatus includes an adsorption member (e.g., a honeycomb structural body) that adsorbs particulate matter contained in the gas by the action of an electric field. The apparatus...
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7465339 |
Air purifier
In an air purifier including a streamer discharge part ( 40 ) generating plasma by streamer discharge, a catalytic part ( 34 ) promoting the treatment of air using active species contained in the...
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7461835 |
Humidifier
An air humidifier has an electric fan unit arranged in a housing for delivering a through-flow of air between feed-air and discharge-air openings in the housing; at least one filter device for the...
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7449053 |
Air filtration device
The present invention provides an air filtration cartridge suitable for use in the treatment of air in a forced airflow air supply system. The cartridge comprises an inner casing having an upstream...
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7431752 |
Air purifier with Ozone reduction arrangement
An air purifier includes an outer case having an air purifying cavity, an ionizer module, and an ozone reduction module. The ionizer module includes a power unit and an ionizing electrode. The...
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7368003 |
Systems for and methods of providing air purification in combination with odor elimination
Systems for and methods of providing air purification and cleaning in combination with odor elimination in a single unit, such as a tabletop unit for home or office use, are disclosed. The air...
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7361212 |
Electrostatic precipitator
An electrostatic precipitator is detailed. The precipitator includes a conduit for the passage of particles in an air flow and a generator of an electrostatic field substantially orthogonal to the...
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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...
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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...
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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...
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6966942 |
Process for purifying exhaust gases by employing a bubble generator
A process for purifying exhaust gases using a bubble generation device is disclosed.
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6964808 |
Wall surface panel capable of generating minus ions utilizing natural volcanic ash soil
A wall is formed by adding a predetermined amount of binding agent and water to volcanic ash sediment, which is comprised of mineral silicate including at least silicic acid and aluminum oxide,...
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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...
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6905029 |
Cross-flow differential migration classifier
A method, system, apparatus, and article of manufacture provide a cross-flow migration classifier capable of separating particles. The classifier provides a channel through which a sample, having...
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6887291 |
Filter devices and methods for carbon nanomaterial collection
Filter devices and methods for collection of carbon nanomaterials, including fullerenes, produced in gas phase reactors are provided. The filter devices provide for in situ cleaning of filters to...
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6818043 |
Vapor-phase contaminant removal by injection of fine sorbent slurries
A method for efficiently removing vapor-phase contaminants from gas streams is described. A powdered adsorbent such as activated carbon is ground into a fine powder by wet grinding to form a...
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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...
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6663695 |
Apparatus for cleaning air and for humidifying air
A method for cleaning air utilizing an air cleaner which is smaller than conventional air cleaners, wherein a filter is formed on the peripheral portion of a disk and the filter is bent into a...
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6663690 |
Removal of elemental mercury by photoionization
Elemental mercury is removed from emissions of coal-fired utilities by the selective photoionization of mercury atoms using ultraviolet light, followed by electrostatic precipitation of the mercury...
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6372131 |
Closed cover waste treatment system with ionic oxygen generator
The present invention is a waste water treatment system, which includes at least one closed, covered structure having waste water ingress and waste water egress and waste water treatment...
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6302945 |
Electrostatic precipitator for removing SO2
An electrostatic precipitator for removing sulfur dioxide and other polluting particles has a wet liquid removal area or compartment down stream and in the last section of plates of the...
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6267802 |
Composition apparatus and method for flue gas conditioning
The method and apparatus of the present invention are directed to conditioning particulate-containing gas streams using novel additives. The additive is an organometallic salt, preferably of a...
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6224653 |
Electrostatic method and means for removing contaminants from gases
An electrical apparatus includes a reaction chamber. A stream of contaminated gasses flows through the chamber. An elongated coronating electrode is positioned in the reaction chamber for producing...
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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...
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6171368 |
Gas extraction from closed containers
Apparatus and an associated method of operation are disclosed for removal of gaseous contaminants, particularly oxygen, from closed containers. The apparatus is economical, simple to install and...
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6074458 |
Method and apparatus for separation of unburned carbon from flyash
Apparatus and method for separating carbon particles from flyash includes one of increasing a relative humidity of the flyash or decreasing the relative humidity of the flyash to within an optimum...
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6017381 |
Field effect auxiliary gas cyclone (FEAGC) and method of using
Collection of particles from a gas stream and the separation of dissimilar particles from a gas stream by a field effect auxiliary gas cyclone (FEAGC) is enhanced by providing an inductive field...
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6001152 |
Flue gas conditioning for the removal of particulates, hazardous substances, NO.sub.x, and SO.sub.x
The present invention provides compositions including a salt selected from the group consisting essentially of sodium nitrate, sodium nitrite, ammonium nitrate, lithium nitrate, barium nitrate,...
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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...
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5922290 |
Regenerative thermal oxidation system for treating asphalt vapors
A regenerative thermal oxidation system for reducing the VOC content of asphalt vapors.
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5846301 |
Fine-particulate and aerosol removal technique in a condensing heat exchanger using an electrostatic system enhancement
An integrated flue gas treatment condensing heat exchanger having a particle charger located upstream of the second stage heat exchanger of the system for improved cleaning of flue gas and...
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5792241 |
Precipitator
An electrostatic precipitator including a cylindrical tube the upper end of which is provided with a gas outlet while the lower end is provided with a gas inlet. Mounted adjacent the upper end of...
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5707422 |
Method of controlling the supply of conditioning agent to an electrostatic precipitator
A method for use in an electrostatic precipitator unit, of controlling, with a view to cleaning an incoming dust-laden gas, the supply of conditioning agent to the incoming contaminated gas...
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5678493 |
Boiler flue gas conditioning system
A flue gas conditioning system generates sulfur trioxide which is injected into boiler flue gas to condition it by reducing the resistance of the particulate matter entrained in the flue gas. The...
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5665142 |
Flue gas conditioning system and method using native SO.sub.2 feedstock
A flue gas conditioning system and method generates and introduces sulfur trioxide into flue gas produced by a boiler to condition the flue gas before it passes through an electrostatic...
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5626652 |
Laminar flow electrostatic precipitator having a moving electrode
An electrostatic precipitation system (100) utilizes laminar flow of a particulate-laden gas in order to enhance the removal of sub-micron sized particulates. The system incorporates a vertically...
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5597403 |
Flue gas conditioning system for intermittently energized precipitation
A system for preconditioning flue gas to be treated in an electrostatic precipitator having a set of electrostatic elements and a power supply, which supplies an intermittent power to the...
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5591249 |
Flue gas conditioning method for intermittently energized precipitation
A method is used for preconditioning flue gas to be treated in an electrostatic precipitator having a set of electrostatic elements which are intermittently energized by a power supply. The method...
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5578113 |
Air treatment system
An air treatment system includes a housing having a from cylindrical chamber and a rear rectangular chamber, the front and rear chambers being separated by an internal wall. The front chamber is...
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5567226 |
Apparatus and method for enhancing the performance of a particulate collection device
The present invention provides an apparatus and method to improve the performance of a variety of particulate collection devices. Gaseous ammonia is injected by one or more injectors into a waste...
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5562755 |
Process for the treatment of langbeinite and anhydrite containing kieserite concentrates
A process for after-purifying a kieserite mixture pre-concentrated electrostatically across a number of stages is characterized in that the outside air used in the after purification stage is...
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5547495 |
Flue gas conditioning system
The present invention provides a flue gas conditioning system and method for generating conditioning agent used in the removal of entrained particles in a flue gas flow with an electrostatic...
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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...
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5458663 |
Apparatus for removing emissions by condensation and precipitation
Disclosed is an apparatus for removing emissions, originated in the manufacturing industry, especially from polymerization operations and thermoplastic polymer processing operations which has a...
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5449390 |
Flue gas conditioning system using vaporized sulfuric acid
A flue gas conditioning system uses the waste heat of the flue gas to heat a sulfuric acid solution to add sufficient heat energy to the solution to vaporize the solution before being injected into...
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