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| Number | Title | Issue Date |
| 7722706 | Device for the extraction of water from atmospheric air A device is provided for extracting water from atmospheric air (8) having a free-flowing adsorbent or absorbent (3, 13), in particular a saline solution (3), having a hygroscopic salt for the adsorption or absorption of water, the adsorption or ... | 05/25/2010 |
| 7604685 | Method for the selective extraction of acids A process for the extraction of an unwanted material from a gas comprising the steps of introducing an extraction liquid into a fluid having an unwanted liquid therein to form a physical aerosol comprising a plurality of extraction liquid droplets and the fluid, all... | 10/20/2009 |
| 7572320 | Method and apparatus for removing high concentration ozone from a waste gas steam A method for removing high concentration ozone from a waste gas stream is disclosed, which includes the following steps: (1) providing an apparatus, which includes: a tank having an input port, an exhaust port and a packing, wherein the input port is near the bottom... | 08/11/2009 |
| 7351312 | Apparatus for obtaining sample and process therefor A vessel is provided for collecting a process stream and fractionating the process stream into a liquid and gas phase in the vessel. Cooling may be provided by an internal bath and/or an external bath. The liquid phase retained in the vessel and the gas phase collec... | 04/01/2008 |
| 7351310 | Rectificative separation of fluids comprising (meth) acrylic monomers A process for rectificatively separating fluids including (meth)acrylic monomers in a rectification column by directly cooling the vapor including (meth)acrylic monomers rising to the top of the rectification column to form top condensate including (meth)acrylic mon... | 04/01/2008 |
| 7329308 | Air handling and chemical filtration system and method The present invention relates to systems and methods for controlling humidity and temperature in gases or air streams used in semiconductor processing systems. These systems and methods can be used in combination with systems and methods for contaminant detection an... | 02/12/2008 |
| 7288140 | Wet process gas treatment apparatus In a wet-process gas treatment method of treating an acid gas by using at least two treating columns connected in series, a ratio of the concentration of an acid gas at an outlet to a concentration of the acid gas at an inlet of a first treating column is set higher... | 10/30/2007 |
| 7287745 | Liquid-continuous column distillation Bubble columns fractionate with vapor-liquid mass transfer efficiencies approaching that of distillation towers when vapor velocities in excess of 50% of jet flood are used. If the vapor velocities are pushed above about 70% of jet flood then the distillation perfor... | 10/30/2007 |
| 7282087 | Wetted particle and droplet impingement surface An inert impingement surface that is pliable and which, when set in motion, works to shed itself of particle deposits. The pliable surface may be formed of a plurality of coactive members that co-operate with one another to clean-off the particle deposits from each ... | 10/16/2007 |
| 7281703 | Liquid-to-gas contact device There is provided a liquid-to-gas contact device comprising: a liquid-to-gas contact medium which is a honeycomb structural body formed of a porous material including a plurality of through channels defined by a plurality of partition walls and extending through the... | 10/16/2007 |
| 7259129 | Silver-containing catalysts, the manufacture of such silver-containing catalysts, and the use thereof A high activity and high selectivity silver catalyst comprising silver and, optionally, one or more promoters supported on a suitable support material having the form of a shaped agglomerate. The structure of the shaped agglomerate is that of a hollow cylinder havin... | 08/21/2007 |
| 7174715 | Hot to cold steam transformer for turbine systems A steam transformer (200) receives steam through a steam inlet (203), and the steam is mixed in a mixing zone (231) with water entering through a water inlet (205). Steam cooled by contact with the water exits the steam transformer throug... | 02/13/2007 |
| 7160362 | Method and device for cleaning air A method of cleaning air, including a humidifying operation for humidifying the air containing chemical contaminants by a humidifier and taking a part of the gaseous contaminants in the air into excessive moisture to remove the contaminants from the air, and a dehum... | 01/09/2007 |
| 7147689 | Apparatus and method for removing volatile organics from vented gases An apparatus and a method for removing volatile organic compounds from air that is vented from tanks and vessels containing hydrocarbon material. This invention also relates to a self-propelled vehicle on which the apparatus is mounted. ... | 12/12/2006 |
| 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 |
| 7101425 | Washer and method for purifying gases In a washer for cleaning gases that contain particulate and/or gaseous impurities, the gases are conveyed through an absorption column that is sprayed with washing fluid. An additionally provided jet pump (7) operates with the washing fluid, wherein said jet ... | 09/05/2006 |
| 7077884 | Hydrogen sulfide scrubber using polymeric amine and associated methods A hydrogen sulfide scrubber includes first and second scrubber tanks with scrubber media contained therein. Scrubbing solution circulators each include a dispenser for dispensing scrubbing solution into contact with the scrubber media, a sump for collecting the scru... | 07/18/2006 |
| 7052000 | Liquid distributor and method for operating the same A liquid distributor for packed or filled columns having a multiplicity of horizontal layers involved in heat transfer or mass transfer. At least one layer of the column has an increased density by comparison with the other layers and is designed specifically for fl... | 05/30/2006 |
| 7044993 | Microbicidal air filter Microbicidal air filter for use with an air passageway, which includes an immobilization network including a plurality of fibers having an amount of at least one antimicrobial agent incorporated and molecularly bonded into a structure thereof sufficient to substanti... | 05/16/2006 |
| 7041156 | Removing natural gas liquids from a gaseous natural gas stream Process for removing natural gas liquids from a gaseous natural gas stream at elevated pressure to obtain a gaseous product stream having a reduced content of natural gas liquids is provided. ... | 05/09/2006 |
| 7025808 | Reduction of the aerosol-related discharge from a separation column and apparatus therefor A process is proposed for reducing the aerosol-related discharge from a separation column (1) in which one or more components are separated off from a gaseous or liquid starting mixture (G) at actively separating internals (2), aerosols being present o... | 04/11/2006 |
| 7025807 | Method for absorbing vapors and gases from pressure vessels The invention relates to a process for absorbing vapors and gasses by controlling overpressure in storage tanks during filling, transport and storing of fluids in liquid form. The process includes leading of gas down to the bottom of the tank, where a major part of ... | 04/11/2006 |
| 7014177 | Process for effecting mass transfer between a liquid phase and a gaseous phase A process for effecting mass transfer between a liquid phase and a gaseous phase in a filled-type column having an external shell which accommodates at least one filler-containing basket wherethrough the phases are caused to flow in countercurrent relationship. The ... | 03/21/2006 |
| 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 |
| 6946021 | Air cleaner An air cleaner for cleaning air and for providing sterilization and deodorization effects, includes an air-liquid contact part, for bringing the air into contact with a water screen formed by spraying, using nozzles, pressurized circulating water, and for removing f... | 09/20/2005 |
| 6939521 | Fluoropolymer reactor with heat exchange jacket A reactor for fluorinating an organic compound comprising (a) an outer vessel; (b) a reactor vessel being disposed within said outer vessel to define an annular space, said reactor vessel at least partially comprising a fluoropolymer, said annular space being adapte... | 09/06/2005 |
| 6924140 | Closed loop work station bioremediation using mini-reactor cartridges A system for capturing and neutralizing HAP's (hazardous air pollutants) and VOC's (volatile organic compounds) at the source point by providing a closed loop remediation system which utilizes an air collection, treatment and control module containing a predetermine... | 08/02/2005 |
| 6890508 | Preparation of largely HBr-free HCI gas and largely HBr-free aqueous HCI solution The present invention relates to a process for preparing largely HBr-free HCl gas and largely HBr-free aqueous HCl solution, which comprises the following steps: a) providing HBr-containing HCl gas; b) passing the HBr-containing HCl gas thr... | 05/10/2005 |
| 6849107 | Air filtration system A new and improved air purifying apparatus having a housing that is adapted to be mounted in-line with an air duct, such as a return air duct of an air-conditioning system. The housing is designed for easy installation without modifying the existing air-conditioning... | 02/01/2005 |
| 6821317 | Wet-process gas treatment method and wet-process gas treatment apparatus In a wet-process gas treatment method of treating an acid gas by using at least two treating columns connected in series, a ratio of the concentration of an acid gas at an outlet to a concentration of the acid gas at an inlet of a first treating column is set higher... | 11/23/2004 |
| 6726749 | Apparatus and method for wet filtering machine exhaust A method and apparatus for wet filtering machine exhaust is disclosed. ... | 04/27/2004 |
| 6706092 | Chemical/Biological decontamination filter Modification, neutralization and/or decontamination of airborne biological and/or chemical contaminants from a breathable atmosphere by subjecting the breathable atmosphere to a filter which is formed from a plurality of polymeric multilobal fibers. These fibers inc... | 03/16/2004 |
| 6645273 | Method for removing impurity contents in the air A method for removing impurity substances in air flowing in a flow passage includes filtering the air in a first filter for removing solid substances; cooling the air in a first cooler to not higher than its dew-point temperature; capturing gaseous substa... | 11/11/2003 |
| 6645447 | Devices and method for chemical reactive filtration A gas contaminant is filtered using fibers having internal cavities containing a chemically reactive oxidizing agent, an acid or base, a coordinating agent, a complexing agent, or a deliquescing agent. Where the contaminant is basic, the reagent is prefer... | 11/11/2003 |
| 6631890 | Packing for column Column packing elements comprise and preferably consist of two individual components, namely a strong and rigid "outside" cage, and an "inside" variable component preferably formed of a monofilament and/or mono-multi-filament fibers, which can be varied t... | 10/14/2003 |
| 6623715 | Complex shaped fiber for particle and molecular filtration An ultra-efficient multilobal cross-sectioned fiber filter for chemical contaminant filtering applications is described. An absorptive chemically reactive reagent, preferably an acid or base and in liquid or an adsorptive chemically reactive reagent (an a... | 09/23/2003 |
| 6623547 | Method for removing sulfuric acid mist and apparatus for removing the same The present invention provides a method for removing sulfuric acid mist wherein a gas containing sulfuric acid mist is bubbled into an absorbing solution through a gas diffuser having pores with an average pore diameter of about 1,000 μm or less. This me... | 09/23/2003 |
| 6582498 | Method of separating carbon dioxide from a gas mixture using a fluid dynamic instability In a method of separating carbon dioxide from a gas mixture, a liquid solvent flows down an array of vertical wires with the gas mixture flowing over the liquid. Once on the wire, the liquid quickly breaks up into drops of varying sizes, with each size mo... | 06/24/2003 |
| 6565629 | Vapor-liquid contactor, cryogenic air separation unit and method of gas separation In an vapor-liquid contactor 4a for flowing down a liquid along the surface of a packing and contacting said liquid with the vapor while ascending the vapor, the improvement being characterized in that said packing is a non-promoting-fluid-dispersion type... | 05/20/2003 |
| 6524843 | Process and apparatus for the treatment of carbon dioxide with carbonic anhydrase A process is disclosed for the extraction, production and purification of carbon dioxide gas. The process may also be employed for the production of aqueous and/or organic solutions of bicarbonate ions using a precursor feed stream of gas containing carbo... | 02/25/2003 |
