Class / Patent application number | Description | Number of patent applications / Date published |
204157300 | Removing a component from normally gaseous mixture | 29 |
20090026063 | SURFACES AND COATINGS FOR THE REMOVAL OF CARBON DIOXIDE - Apparatus suited for removing carbon dioxide from gases are disclosed. The apparatus may employ bodies having a photocatalytic film. Associated methods and compositions are also disclosed. | 01-29-2009 |
20090032390 | Method and device for photocatalvtic oxidation of organic substances in air - A method and a device for photocatalytic oxidation of organic substances in air on a photocatalytic surface of semiconductive metal oxide, air containing the organic substances being caused to flow over the photocatalytic surface and the surface being irradiated with activating light. The relative humidity of the air (RHair) and/or the temperature of the photocatalytic surface (T | 02-05-2009 |
20090188782 | Wet-discharge electron beam flue gas scrubbing treatment - The present invention relates generally to scrubbing of flue gases to remove sulfur oxides, nitrogen oxides and particulate matter resulting from burning of high-sulfur fuels, and more specifically provides improvements in electron beam design and the use thereof in a wide variety of flue gas scrubbing applications including power plants installed on water borne vessels and positioned adjacent to bodies of water permitting the discharge of environmental-friendly wet-discharge stream. In a preferred embodiment, the electron beam chamber is used in tandem with a wet by product collector apparatus. In a preferred embodiment, the electron beam generator's electron gun has a beryllium anode foil that is used in conjunction with a sacrificial foil arrangement. The sacrificial foil arrangement separates the flue gas and any corrosive by-products that are produced by the process from the anode foil. In a preferred embodiment, the sacrificial foil arrangement is a Kapton foil that is mounted on a roller assembly and a partial pressure of 1/10 atmosphere is maintained between the anode and sacrificial foil. | 07-30-2009 |
20090200155 | AIR PURIFYING VACUUM CLEANER SYSTEM - An air purifying system for a vacuum cleaner. An airflow reduction chamber is insertable along an airflow passage of the vacuum cleaner so that air pumped by the vacuum cleaner passes in the airflow reduction chamber prior to being released out in the open. The airflow chamber has an air inlet and an air outlet and an inner wall extending therebetween. An air deflector plate is positioned in front of one of the air inlet and the air outlet inside the airflow reduction chamber. A UV lamp of a type emitting radiations killing germs and bacteria extends inside the airflow reduction chamber. At least a portion of the inner wall of the air chamber at a level of the UV lamp has a surface reflective to UV radiations emitted by the UV lamp. A control circuit controls operation of the UV lamp. | 08-13-2009 |
20090205947 | METHOD FOR THE REDUCTION OF MALODOROUS COMPOUNDS - A method is provided for removing malodorous compounds, such as trimethylamine (TMA), present in an exhaust gas. At least one low-voltage electron beam energy source is used to remove small quantities of malodorous compounds in air. The electron beam energy source can also be used to beneficially form ozone to enhance the EB reduction of small quantities of compounds such as TMA in air. | 08-20-2009 |
20090229967 | PROCESS FOR DECOMPOSING VOLATILE AROMATIC COMPOUND - To provide a process for swiftly decomposing a volatile aromatic compound in a vapor phase. The process includes the step of bringing the volatile aromatic compound into contact with a photocatalyst layer under light irradiation. In the process, the photocatalyst layer is formed by coating a photocatalyst dispersion liquid on a substrate. The photocatalyst dispersion liquid is obtained by dispersing titanium oxide photocatalyst particles and tungsten oxide photocatalyst particles in a dispersion medium. The surfaces of the titanium oxide photocatalyst particles are charged in the same polarity as the surfaces of the tungsten oxide photocatalyst particles are. | 09-17-2009 |
20090288941 | PHOTOCATALYTIC AIR PURIFIER FOR A FAN COIL UNIT - A photocatalytic air purifier is disclosed. The photocatalytic purifier includes filter structures coated with a catalytic material such as titanium dioxide. One or more UV lamps are interposed between the filter structures. The catalytic layer reacts with airborne VOCs and bioaerosols when activated by the UV lamps to thereby oxidize the VOCs and destroy the bioaerosols. The photocatalytic air purifier does not need to be replaced or regenerated after a period of continuous usage. The photocatalytic purifier of the present invention substantially eliminates odors, VOCs, and bioaerosols from air directed through the fan coil. The photocatalytic air purifier includes a control system that optimizes operating costs. Because of these features, service, maintenance, and filter replacement are reduced to a minimum. At the same time, the well being of persons living in the space conditioned by the photocatalytic air purifier is improved. | 11-26-2009 |
20090301859 | PROCESS USING COMPACT EMBEDDED ELECTRON INDUCED OZONATION AND ACTIVATION OF NANOSTRUCTURED TITANIUM DIOXIDE PHOTOCATALYST FOR PHOTOCATALYTIC OXIDATION - A reactor produces a surface corona for emitting UV light and for the production of ozone by passing air or oxygen through the surface corona. The emitted UV light activates a photocatalyst coated on a surface facing a surface with embedded electrodes which generate the surface corona. The photocatalyst is a thin film of nanoparticle TiO | 12-10-2009 |
20090314626 | METHOD FOR TREATING EFFLUENTS CONTAINING FLUOROCOMPOUNDS LIKE PFC AND HFC - The invention relates to a method for destroying effluents issuing from a reactor, the said effluents being transported through at least one pump towards plasma means capable of destroying at least certain bonds in the molecules of the PFC or HFC type between the fluorine and the other elements of these molecules of the PFC or HFC type, in order to generate first species which are then converted to second gaseous, liquid or solid species before interaction of these second species with dry or wet purifying means. According to the invention, at least one reducing agent is injected upstream and/or downstream of the plasma, but upstream of the purifying means, in order to react with the first species created. | 12-24-2009 |
20100000852 | Method of Separating Carbon Dioxide - A method of dissociating or decomposing the elemental components of a medium within a treatment zone via application of radio frequency energy. The selected medium may be communicated to a treatment zone, such as a chamber, wherein the chamber walls and/or a plurality of antenna disposed within the chamber or treatment zone emit radio frequency energy capable of separating the elemental components of the selected medium. The plurality of antenna may further comprise a chemical coating disposed thereon to facilitate the medium separation process. Denser elemental components may be removed from a bottom portion of the chamber or treatment zone, while lighter elemental components may be removed from an upper portion of the chamber or treatment zone. A vacuum pump or any other means known within the art may be used to remove the elemental components from the chamber or treatment zone. | 01-07-2010 |
20100018850 | System for removing particulate matter from exhaust streams - An aspect of the present disclosure is directed to a system for removing particulate matter from an exhaust stream. The system may include an ionization device configured to ionize particles of an exhaust stream. The system may further include an electromagnetic field generating device configured to deflect the ionized particles onto an inner-surface of an exhaust passageway, the inner-surface of the exhaust passageway being coated with a substance for lowering activation energy for a reaction of the ionized particles. The system may further include a regeneration means configured to remove particles from the exhaust passageway. | 01-28-2010 |
20100038230 | Microwave Plasma Abatement Apparatus - In a method of operating a microwave plasma abatement apparatus comprising a microwave generator, and a gas chamber for receiving microwave energy from the microwave generator and within which a plasma is generated using the microwave energy, the amount of microwave energy that is not absorbed within the gas chamber is monitored, and the power of the microwave energy generated by the microwave generator is adjusted in dependence on the monitored microwave energy. | 02-18-2010 |
20100044208 | METHOD AND APPARATUS FOR PROCESSING EXHAUST GAS - Disclosed are a method and an apparatus for processing an exhaust gas, which enable to suppress decrease of pH and increase of ORP of a mixture of an aqueous solution of a reducing agent and an aqueous alkali solution circulated within a wet reactor comprising a reduction reaction region and an oxidation reaction region. The method and apparatus enable to prevent deterioration of the mixed aqueous solution, and can be continuously operated for a long time. Specifically, the ORP and pH of the mixed aqueous solution of the aqueous solution of a reducing agent and the aqueous alkali solution to be circulated within the wet reactor are measured, and a fresh aqueous solution of a reducing agent and a fresh aqueous alkali solution are supplied, if necessary, into a reservoir unit arranged in the lower part of the wet reactor so that the ORP and pH of the mixed aqueous solution are kept within predetermined ranges. | 02-25-2010 |
20100126845 | COATINGS BASED ON HYDRAULIC BINDERS WITH AN OPTIMAL RHEOLOGY AND HIGH PHOTOCATALYTIC ACTIVITY - There is described a cement composition, based on hydraulic binders, adapted to obtain coatings with a high photocatalytic activity and improved rheologic characteristics, including a hydraulic binder, a polycarboxylic or acrylic superfluidifying agent, a cellulosic ether with a viscosity in the range between 10000 and 120000 mPa·s, an adhesive agent, a calcareous, silicic or silicic-calcareous filler and a photocatalyst. | 05-27-2010 |
20100133087 | Method for Treating Water - A hollow cylindrical tube runs the length of a photo-reactor plate. The tube is positioned below the photo-reactor plate or the photo-reactor plate sits atop the device. The cylindrical tube has a slotted opening on top. The photo-reactor plate fits into the slotted opening and is supported by the slotted opening. There is added reinforcement through the use of support braces on either side of the slotted opening along the cylindrical tube. These support braces are L-shaped and add strength and support to the upright plates sitting in the slotted opening. The support braces are aid in the attachment of the cylindrical tubing and the photo-reactor plates. The photo-reactor plates contain UV light once UV light has entered. Other parts of the present invention can be manufactured to contain UV light once UV light has entered, as well. | 06-03-2010 |
20100258428 | PROCESS FOR REDUCING THE CONTENT OF WATER SOLUBLE VOLATILE ORGANIC COMPOUNDS IN A GAS - There is provided a method for reducing the content of at least one water soluble volatile organic compound in a gas. The method comprises contacting the gas with an aqueous acidic oxidizing composition comprising H | 10-14-2010 |
20100282594 | METHOD AND DEVICE FOR CLEANING A HOT AIR STREAM - A method is provided for cleaning a hot air stream, wherein the air stream is conducted through a cooling device and then through a filter device, which includes at least one plasma production device for removing gaseous organic carbon compounds. The cooling device cools the hot air stream to temperatures below 60° C. The air stream to be cleaned is accelerated before entering the filter device and is deflected by means of suitable guiding surfaces. A cleaning device is provided for a hot air stream and includes a filter device with a plasma production device for removing gaseous organic carbon compounds and a cooling device connected upstream of the filter device. The cooling device includes a spraying device for a coolant. The filter device includes an open-pored hydrophilic foam material, the plasma production device and a suitable absorber material, through which the air stream flows consecutively. | 11-11-2010 |
20110186418 | PARTICULATE FILTER HAVING MINERAL FILTER MEDIA - The invention relates to a particulate filter comprising a cartridge and a filter media placed in the cartridge in the prefiltering position, said filter media being essentially mineral. Thanks to the absence of any organic compound, the filter media generates no volatile organic compound. The filter media may also be of the type having a photocatalytic action. | 08-04-2011 |
20120061230 | SUCTION DEVICE FOR GASES OR FUMES, IN PARTICULAR WELDING FUMES, HAVING AN OXIDATION APPARATUS, WELDING SYSTEM AND ASSOCIATED METHOD - A suction device has a suction pipe for aspirating fumes containing metal particles, in particular welding fumes, which aims to allow safe control of the fumes with a minimum of equipment expense and operational expense. For this purpose, an oxidation apparatus is provided according to the present invention. The particles flowing past the oxidation apparatus during operation are heated by way of a power supply and are thus oxidized. | 03-15-2012 |
20120273340 | METHOD & APPARATUS FOR SANITIZING AIR IN AIRCRAFT, COMMERCIAL AIRLINERS, MILITARY VEHICLES, SUBMARINES, SPACE CRAFT, CRUISE SHIPS , PASSENGER VEHICLES, MASS TRANSIT AND MOTOR VEHICLES BY INTEGRATION OF HIGH DENSITY HIGH EFFICIENCY ULTRA VIOLET ILLUMINATION APPARATUS WITHIN AIR CONDITIONING, VENTILATION AND TEMPERATURE CONTROL SYSTEMS - The present invention provides a method and apparatus for sanitizing air within a ventilation system using ultraviolet light. The air is exposed to the ultraviolet light for a preselected duration of time and at a desired power level to achieve a desired level of sanitization. | 11-01-2012 |
20130026027 | PHOTOCATALYTIC REACTOR AND METHOD FOR TREATING GASEOUS POLLUTANTS USING THE SAME - The present invention provides a photocatalytic reactor and a method for treating gaseous pollutants using the same, which can decompose and remove gaseous pollutants such as volatile organic compounds (VOCs), odors, etc. as well as liquid pollutants using an environmentally friendly photocatalytic reaction. To this end, the present invention provides a photocatalytic reactor including: a solution tank to which a fluid containing gaseous pollutants to be treated is supplied through an inlet; a solution injector installed at the top of the inlet and injecting a gaseous pollutant solution into the fluid to be treated such that the gaseous pollutants of the fluid are dissolved; and a liquid photocatalytic treatment device receiving the gaseous pollutant solution, in which the gaseous pollutants of the fluid are dissolved and liquefied, from the solution tank and decomposing the liquefied gaseous pollutants of the fluid. | 01-31-2013 |
20130087444 | Process for Selective Removal of a Product from a Gaseous System - A process for selective removal of a gaseous product (P) from a gaseous system comprising said product and other components (R | 04-11-2013 |
20130153404 | Catalyst-Free Removal of NOx from Combustion Exhausts Using Intense Pulsed Electron Beams - A process and apparatus for removing NO | 06-20-2013 |
20130341178 | Method and Apparatus for Removing Contaminants from Nitrogen Trifluoride - A highly pure nitrogen fluoride process fluid having an impurity content of 10 ppm or less can be effectively obtained by using radiation to cause the dissociation of chemical bonds in the impurity to form dissociation products and thereby make the removal of the dissociation products from the process fluid easier than the removal of the impurity from the process fluid. | 12-26-2013 |
20140090972 | DIRECT PHOTOCONVERSION OF CARBON DIOXIDE TO LIQUID PRODUCTS - A photocatalytic process is disclosed for the reduction of carbon dioxide and water. The process comprises reacting carbon dioxide and water in the presence of a photocatalytic composition that is irradiated with electromagnetic radiation having a wavelength in the range of from 200 to 700 nm. The photocatalytic composition is capable of chemisorbing carbon dioxide. | 04-03-2014 |
20140284203 | CONTROLLING PROCESS GASES - Biomass (e.g., plant biomass, animal biomass, and municipal waste biomass) is processed to produce useful intermediates and products, such as energy, fuels, foods or materials. For example, equipment, systems and methods are described that can be used to treat feedstock materials, such as cellulosic and/or lignocellulosic materials, in a vault in which hazardous gases are removed, destroyed and/or converted. The treatments are efficient and can reduce the recalcitrance of the lignocellulosic material so that it is easier to produce an intermediate or product, e.g., sugars, alcohols, sugar alcohols and energy, from the lignocellulosic material. | 09-25-2014 |
20140291139 | METHODS AND APPARATUS FOR TREATING EXHAUST GAS IN A PROCESSING SYSTEM - Methods and apparatus for treating an exhaust gas in a foreline of a substrate processing system are provided herein. In some embodiments, an apparatus for treating an exhaust gas in a foreline of a substrate processing system includes a plasma source coupled to a foreline of a process chamber, a reagent source coupled to the foreline upstream of the plasma source, and a foreline gas injection kit coupled to the foreline to controllably deliver a gas to the foreline, wherein the foreline injection kit includes a pressure regulator to set a foreline gas delivery pressure setpoint, and a first pressure gauge coupled to monitor a delivery pressure of the gas upstream of the foreline. | 10-02-2014 |
20160058901 | Chlorine Dioxide Decontamination System and Methods - A scalable, portable and modular chlorine dioxide fumigant decontamination system having an activating area and a neutralizing area which may be housed separately or as a single operationally connected unit, and which may be configured as a closed loop system connected to a decontamination chamber for decontamination of articles, or as an open loop system for decontamination of interiors and large confined spaces, and employing a specialized activating cup that is permeable to air yet substantially impermeable to water and chlorine dioxide reaction by-products such that directing air through the activation cup releases nearly pure chlorine dioxide fumigant. Methods and articles relating to the system are also described. | 03-03-2016 |
20160184791 | SYSTEM AND METHOD FOR CONVERTING GASEOUS HYDROCARBON MIXTURES INTO HIGHLY-BRANCHED HYDROCARBONS USING ELECTRON BEAM COMBINED WITH ELECTRON BEAM-SUSTAINED NON-THERMAL PLASMA DISCHARGE - A system and method converts first carbon chain condensable fractions of wet natural gas, the first carbon chain fractions having first carbon chains, into liquefiable highly-branched hydrocarbons by cavitating first carbon chain condensable fractions of wet natural gas with natural gas; irradiating the natural gas cavitated condensable fractions of wet natural gas with an electron beam to create second carbon chain fractions; mixing the second carbon chain fractions with natural gas enriched with alkynes and alkenes to a create enriched natural gas and second carbon chain fractions mixture; irradiating the enriched natural gas and second carbon chain fractions mixture with an electron beam to create an irradiated gas mixture; cooling the irradiated gas mixture; and removing liquefied highly-branched hydrocarbons. | 06-30-2016 |