Class / Patent application number | Description | Number of patent applications / Date published |
095058000 | With addition of solid, gas, or vapor | 24 |
20090020009 | MICROWAVE PLASMA EXCITERS - The invention relates to a microwave plasma exciter device comprising: a waveguide containing means ( | 01-22-2009 |
20090056538 | CONTROL OF MERCURY EMISSIONS FROM SOLID FUEL COMBUSTION - A method for removing mercury from flue gases generated by the combustion of coal comprises: storing a starter batch of activated carbon in an agglomerated state; de-agglomerating the starter batch in a separation device to create a contact batch of activated carbon; transporting the contact batch to a contact location; injecting the contact batch into contact with the flue gas at a contact location having a temperature between 400° F. and 1100° F., whereupon the activated carbon of the contact batch adsorbs mercury from the flue gas; and removing the activated carbon having mercury adsorbed thereon from the flue gas. The transporting step is conducted with substantially no intermediate storage of the contact batch following the de-agglomeration of the starter batch to prevent re-agglomeration of the activated carbon prior to injection. | 03-05-2009 |
20090101009 | Core separator integration for mercury removal from flue gases of coal-fired boilers - A method of separating a coal particle-laden gas mixture into a flue gas recirculation stream and a concentrated sorbent stream includes initiating combustion of a mixture of air and coal in a combustion chamber, extracting a mixture of flue gas and partially-combusted coal particles from the combustion chamber, inducing flow of the mixture of flue gas and partially-combusted coal particles toward a core separator apparatus, and separating the mixture of flue gas and partially-combusted coal particles into the flue gas recirculation stream and the concentrated sorbent stream using a centrifugal action of the core separator apparatus. The recirculation stream and the concentrated sorbent stream flow out of the core separator apparatus on a substantially continuous basis. | 04-23-2009 |
20090241774 | Method of Removing Sulfur Dioxide From A Flue Gas Stream - A method of removing SO | 10-01-2009 |
20090272267 | METHODS AND SORBENTS FOR UTILIZING A HOT-SIDE ELECTROSTATIC PRECIPITATOR FOR REMOVAL OF MERCURY FROM COMBUSTION GASES - Methods are provided for reducing emission of mercury from a gas stream by treating the gas with carbonaceous mercury sorbent particles to reduce the mercury content of the gas; collecting the carbonaceous mercury sorbent particles on collection plates of a hot-side ESP; periodically rapping the collection plates to release a substantial portion of the collected carbonaceous mercury sorbent particles into hoppers; and periodically emptying the hoppers, wherein such rapping and emptying are done at rates such that less than 70% of mercury adsorbed onto the mercury sorbent desorbs from the collected mercury sorbent into the gas stream. | 11-05-2009 |
20090293718 | METHODS AND APPARATUS FOR AN IONIZER - Methods and apparatus for an ionizer according to various aspects of the present invention include an amplifier disposed within an open ended housing. The air amplifier is used to supply an amplified airflow that may then be passed through an air neutralization system thereby neutralizing the amplified airflow before exiting the housing. A pressurized gas may be injected into an internal portion of the air amplifier where it is mixed with an ambient airflow before exiting the air amplifier as an amplified airflow. | 12-03-2009 |
20090301298 | Apparatus for Treating a Gas Stream - Apparatus for treating a gas stream comprises a plasma abatement device ( | 12-10-2009 |
20100031818 | METHOD AND APPARATUS FOR ENHANCED MERCURY REMOVAL - A method and apparatus for treating a coal combustion flue gas. In one embodiment, the method includes injecting a halogen into a flue gas, and injecting partially combusted, carbon enriched alkaline coal ash solid particles into the flue gas ahead of a particulate collection device. In another embodiment, the method includes exposing partially combusted, carbon enriched alkaline coal ash solid particles to a halogen containing atmosphere, and injecting the halogen atmosphere treated alkaline carbon containing solid particles into the flue gas ahead of a particulate collection device. | 02-11-2010 |
20100236406 | SUBSTRATE PROCESSING APPARATUS AND EXHAUST METHOD THEREFOR - A substrate processing apparatus includes a processing chamber for accommodating therein a processing target substrate; a gas exhaust path through which a gas inside the processing chamber is exhausted; one or more exhaust pumps provided in the gas exhaust path; and a scrubber for collecting harmful components from an exhaust gas. The apparatus further includes an ionized gas supply unit for supplying to the gas exhaust path an ionized gas for neutralizing charged particles included in the exhaust gas flowing therethrough. | 09-23-2010 |
20100242726 | SUPPLY AIR DEVICE AND METHOD FOR PURIFICATION OF AIR IN A SUPPLY AIR DEVICE - A supply air device including supply air nozzles, through which incoming air is led into a mixing chamber and further into a room so that the supply air device induces a circulating or secondary air flow from the room. An electric particle filter and/or a cell gas filter, through which the circulating or secondary air flow is led. | 09-30-2010 |
20130239806 | Reduction of Particulates in Gas Streams - This invention provides methods for reducing a spark rate and/or increasing the voltage in a cold-side electrostatic precipitator through which a particulate-containing gas stream is directed, wherein said electrostatic precipitator has a spark rate and a voltage. The methods comprise injecting an amount of a halogenated carbonaceous substrate formed from a carbonaceous substrate and an elemental halogen and/or a hydrohalic acid into the particulate-containing gas stream upstream of the electrostatic precipitator, such that the spark rate decreases by about 40% or more and/or such that the voltage can be increased by about 20% or more than when said halogenated carbonaceous substrate is not injected. | 09-19-2013 |
20140260972 | ELECTRIC DUST COLLECTOR APPARATUS IN ELECTROSTATIC PRECIPITATOR SYSTEM AND METHOD FOR ELECTROSTATIC PRECIPITATION THEREBY - Disclosed are an electric dust collector apparatus in an electrostatic precipitator system and a method for electrostatic precipitation thereby. The electric dust collector apparatus includes a flow liquid dust collector part collecting charged dust in a liquid flowing to its one side surface, and a counter unit located opposite to the flow liquid dust collector part and including a metal plate charged with the same polarity with the charged dust to guide the induced charged dust to flow toward the flow liquid dust collector part, wherein the counter unit further includes a coating including an insulating material coating the metal plate. | 09-18-2014 |
20160151760 | Carbonate Modified Compositions for Reduction of Flue Gas Resistivity | 06-02-2016 |
20160175850 | ELECTRIC FIELD ENHANCED SMALL PARTICLE FILTER | 06-23-2016 |
095059000 | Electrode treating (e.g., coating, cleaning, etc.) | 2 |
20080295687 | Device for Air/Water Extraction by Semi-Humid Electrostatic Collection and Method Using Same - The invention concerns a device for air/water extraction by semi-humid electrostatic collection, comprising a chamber ( | 12-04-2008 |
20090241775 | NON-THERMAL PLASMA PARTICULATE REMOVAL SYSTEMS AND METHODS THEREOF - The present invention is broadly directed to non-thermal plasma-based systems for reducing the amount of particulate matter in a gas stream, as well as to methods for using such systems. The present invention is particularly directed to such non-thermal plasma-based particulate matter reduction systems with self-cleaning surfaces. Particularly contemplated are self-cleaning surfaces that reduce particulate matter buildup such as is likely to cause the reduction of non-thermal plasma production in the system, and therefore the ability of such systems to reduce the amount of particulate matter in the gas stream. | 10-01-2009 |
095060000 | Heating or cooling | 3 |
20080307964 | 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 a plurality of separate particulate and liquid droplet removal steps before a droplet-free gas stream having substantially reduced particulate contaminant levels is passed to a burner for removal of volatile organic compounds from the gas stream. | 12-18-2008 |
20120192713 | Electrostatic Precipitator Charging Enhancement - An electrostatic precipitator collector plate assembly including at least one electrically conductive sheet adapted to be electrically grounded; a rib or baffle in physical and electrical contact with the at least one conductive sheet; and a hollow structure physically associated with the rib or baffle adapted to contain a cooling liquid. | 08-02-2012 |
20140202329 | Enhanced Fly Ash Collection - A process of enhancing fly ash collection without adding SO | 07-24-2014 |
095062000 | Agglomerating gas-borne particles | 5 |
20090071328 | GRID TYPE ELECTROSTATIC SEPARATOR/COLLECTOR AND METHOD OF USING SAME - In one embodiment, apparatuses and methods for collecting particulates use an aperture air flow control system and an inline series of alternating discharge and grid type electrodes each with a separate electrical circuit centrally located between either parallel grid electrodes or plate electrodes. In another embodiment, an external enclosed pre-discharger design and physical arrangement improves agglomeration of sub-micron particles. In yet another embodiment, an external opposing dual channel discharger design also improves agglomeration of particles. In another embodiment, two or more separate electrode arrangements are used within a collecting chamber to improve the operation and collection efficiency of the apparatus. The present invention also preferably increases the frequency of recharging the particles, to increase collection efficiency. In one embodiment, the collection chamber includes both a recharging zone and a high voltage zone followed by a series of fields separated by agglomerating recharging units. | 03-19-2009 |
20090301299 | 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 that air to be analyzed flows through an ionization section with a transversely positioned ionization wire to ionize analytes in the air, and then flows over the collection electrode where ionized analytes are collected. Air flow is maintained at but below turbulent flow, Ionizable constituents in the air are ionized, attracted to the collection electrode, and precipitated in the selected medium which can be removed for analysis. | 12-10-2009 |
20110000368 | DYNAMIC ELECTROSTATIC APPARATUS FOR PURIFYING AIR USING ELECTRONICALLY CHARGED DROPLETS - A dynamic electrostatic apparatus for purifying air is provided. In some embodiments, the apparatus includes at least one emitter through which a fluid is sprayed into a plurality of electrically charged droplets that intermix with particulates in incoming air and form a plurality of charged agglomerates. A minor portion of such charged agglomerates are collected on a conductive surface and removed from the input air, while a major portion of such charged agglomerates are deflected by a deflecting element onto a collective surface. Thus, the apparatus reduces particulates in output air. In some embodiments, the emitter includes an array of hydrophilic spray fibers. | 01-06-2011 |
20110000369 | DYNAMIC ELECTROSTATIC APPARATUS FOR PURIFYING AIR USING ELECTRONICALLY CHARGED NANODROPLETS - An apparatus for purifying air is provided. In some embodiments, the apparatus includes at least one spray fiber through which an aqueous fluid is sprayed into a plurality of electrically charged nanodroplets that intermix with particulates in incoming air and form a plurality of charged agglomerates. Such charged agglomerates are collected on a conductive surface or a collection pad and removed from said input air, resulting in reduced particulates in said output air. In some embodiments, the aqueous fluid includes an air purifying agent. | 01-06-2011 |
20120067213 | METHOD AND APPARATUS FOR AIR POLLUTION CONTROL - A method, apparatus and system for minimizing a quantity of particulate matter entrained within a gas stream is provided. A course filter removes at least a portion of particulate matter having a relatively-large particle size from the gas stream. An agglomerator agglomerates particulate matter having a relatively-small particle size remaining in the gas stream into particulate clusters after the portion of the particulate matter having the relatively-large particle size has been removed by the course filter. An injector introduces an agglomerating material into the gas stream before the gas stream enters the agglomerator. The agglomerating material promotes agglomeration of the particulate matter having the relatively-small particle size into the particulate clusters. And a second filter receives the gas stream and removes at least a portion of the particulate clusters entrained within the gas stream exiting the agglomerator. | 03-22-2012 |