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| Number | Title | Issue Date |
| 8123842 | Direct contact cooling in an acid gas removal process Systems and processes disclosed herein relate to the utilization of direct contact condensing to provide heat to a solvent regeneration loop in an acid gas removal process. A first direct contact condenser can be included in the upper section of a concentrator that ... | 02/28/2012 |
| 8038779 | Methods and apparatus for reducing emissions in an integrated gasification combined cycle A method of assembling a gas removal system for an integrated gasification combined cycle is provided. The method includes coupling a first rich solvent tank in flow communication with the integrated gasification combined cycle to store a first emissions-rich solven... | 10/18/2011 |
| 8007575 | Air filtering apparatus having mechanism for detecting water exchange timing An air filtering apparatus for electrolyzing water to generate electrolytic water containing active oxygen species and filtering air by using the electrolytic water, including an air filtering unit having a gas-liquid contact member to which the electrolytic water c... | 08/30/2011 |
| 7976621 | System for recovering water from flue gas A power plant may include a combustion apparatus (11) producing an exhaust gas (12), an absorber (20) receiving the exhaust gas (12), the absorber (20) including a desiccant and producing a first stream of desiccant solution contai... | 07/12/2011 |
| 7972423 | Rectification apparatus using a heat pump An apparatus for stripping and strengthening and subsequent condensing and final strengthening of an easily vaporizable component of a preferably aqueous mixture permits the heat necessary for stripping and strengthening to be transferred through a common heat trans... | 07/05/2011 |
| 7967900 | Air filtering apparatus In an air filtering apparatus for generating electrolytic water, infiltrating the electrolytic water into a gas-liquid contact member, and blowing air to the gas-liquid contact member by an air blowing fan, thereby filtering air, including a drain pipe for dischargi... | 06/28/2011 |
| 7918926 | COrecovery system and method A CO2 recovery system includes an absorption tower and a regeneration tower. CO2 rich solution is produced in the absorption tower by absorbing CO2 from CO2-containing gas. The CO2 rich solution is conveyed to t... | 04/05/2011 |
| 7901493 | Air filtering apparatus having mechanism for detecting water exchange timing An air filtering apparatus for electrolyzing water to generate electrolytic water containing active oxygen species and filtering air by using the electrolytic water, including an air filtering unit having a gas-liquid contact member to which the electrolytic water c... | 03/08/2011 |
| 7892335 | Phase transfer apparatus and process The invention relates to an apparatus for the transfer of organic compounds from a first liquid phase to a gaseous phase and from said gaseous phase to a second liquid phase, comprising a packed stripping column (2), a housing (5), a shell (1), ... | 02/22/2011 |
| 7850768 | Air filtering apparatus having scale removal detecting mechanism An air filtering apparatus for electrolyzing water in an electrolytic bath by applying a voltage between electrodes in the electrolytic bath, supplying the generated electrolytic water to a gas-liquid contact member and blowing air to the gas-liquid contact member t... | 12/14/2010 |
| 7758679 | Treating unit for treating a loaded solvent stream having a time varying concentration of contaminant A treating unit that comprises an absorber unit for contacting a regenerated solvent with a gas stream loaded with contaminants to yield a treated gas stream and a loaded solvent stream; a regenerator unit for stripping the loaded solvent stream to yield a loaded ga... | 07/20/2010 |
| 7699914 | Triple-effect absorption system for recovering methane gas A method of using a triple-effect absorption system to recover methane from landfill gas contaminated with CO2 and trace contaminates such as chlorinated hydrocarbons and aromatics involves processing the landfill gas with three absorbers and a flash syst... | 04/20/2010 |
| 7674325 | Solvent use and regeneration An absorber (110) in a gas treatment plant (100) produces a rich solvent (116) that is flashed to produce flashed rich solvent (134D) and recycle gas (132D), wherein the recycle gas (132D) is not mixed with the absorber feed... | 03/09/2010 |
| 7424808 | Configurations and methods of acid gas removal A plant includes an absorber (105) that receives a feed gas (10) at a pressure of at least 400 psig and comprising at least 5 mol % carbon dioxide, wherein the absorber (105) is operated at an isothermal or decreasing top-to-bottom thermal gradi... | 09/16/2008 |
| 7374604 | System and method for flue gas treatment The present invention discloses a system for flue gas treatment, wherein the provided system comprises a quench module, a first control module, a filter collecting module, a wet scribing module and a regeneration module. In this system, parts of the particles contai... | 05/20/2008 |
| 7316737 | Amine recovery apparatus and decarbonation apparatus having same An amine recovery apparatus includes a carbon dioxide absorption section and plural water washing sections. The carbon dioxide absorption section brings the exhaust gas into vapor-liquid contact with an absorbing solution containing an amine compound and produces de... | 01/08/2008 |
| 7195022 | Production apparatus for producing gallium nitride semiconductor film and cleaning apparatus for exhaust gas There are disclosed a production apparatus for producing a gallium nitride semiconductor film by HVPE process, a cleaning apparatus for cleaning exhaust gas coming from the above apparatus and an overall production plant for producing a gallium nitride semiconductor... | 03/27/2007 |
| 7156381 | Heat recovery using fluidized spray tower A fluidized spray vessel. A vessel design is provided for recovering heat from gaseous heat streams. The vessel utilizes a semi-fluidized bed for obtaining desirable liquid/vapor contact times. A spray section is provided in which liquid is sprayed through nozzles d... | 01/02/2007 |
| 7101420 | Self cleaning air filtration machine and a method for using the same Self cleaning air filtration machine and a method for using same comprising; a filter with a motor driven belt or disk or counter rotating disks that are perforated, a spray bar, a recirculation pump and supply line, a wet tank, a ultrasonic transducer, ultraviolet ... | 09/05/2006 |
| 7025812 | Portable air cleaning apparatus The portable air cleaning apparatus includes a body casing that has a base having a generally vertical sidewall and removable top wall. A fluid spray chamber has a recirculation system that supplies a fluid to at least one spray nozzle through which the fluid is spr... | 04/11/2006 |
| 6969414 | Waste stream separator A waste stream separator separates liquid and solid waste from a conveying air stream. The liquid and solid waste are first separated from the air steam by gravity and filtration in a removable primary waste barrel. The air is then drawn through a secondary waste ba... | 11/29/2005 |
| 6964696 | Method and apparatus for treating synthesis gas and recovering a clean liquid condensate An apparatus and method for recovering a clean liquid condensate from a synthesis gas at elevated temperatures and pressures. The apparatus includes at least one heat exchanger for reducing the temperature of the synthesis gas down to below 200° F. (93° C.) so as ... | 11/15/2005 |
| 6955705 | Method and system for compressing and dehydrating wet natural gas produced from low-pressure wells Method and system for compressing and dehydrating wet natural gas produced from a low-pressure well using a rotary screw compressor. A dehydrating agent is combined with wet natural gas within a rotary screw compressor. Operation of the rotary screw compressor cause... | 10/18/2005 |
| 6939398 | Drum scrubber The invention creates a new type of scrubbers: drum scrubber. In the drum scrubber, processed gas passes through a wet fiber filter, but unlike previously invented fiber-bed scrubber, the fiber is constantly cleaned. The cleaning is achieved by using filter material... | 09/06/2005 |
| 6881268 | Method and apparatus for forming required gas atmosphere The present apparatus includes a casing (1) having a gas introduction opening (3) for introducing a gas into the casing and a gas discharge opening (5) for discharging the gas from the casing, a gas circulating tube passage (8) communicat... | 04/19/2005 |
| 6849105 | Method and installation for treating effluent gas containing hydrocarbons Prior to passing through pumping apparatus effluent gas containing hydrocarbons is subjected to washing by being sprayed with aromatic type oil in oil-recirculating washing apparatus. Polycyclic aromatic hydrocarbons contained in the effluent gas are trapped by bein... | 02/01/2005 |
| 6846348 | Compressor/drier system and absorber therefor A system for delivering dry compressed gas is provided, the gas being separated from any entrained liquid lubricant and then passed through a moisture absorber column to interact with a moisture-removing fluid. The fluid is a liquid lubricant or is maintained in a s... | 01/25/2005 |
| 6843835 | Air cleaning apparatus and method for cleaning air An air cleaning apparatus is disclosed which, in one embodiment, has: an inlet for ambient air; an outlet for purified air; a mechanism for the uptake of a scrubbing liquor and for the removal of impurities dissolved or dispersed in the ambient air by contact with s... | 01/18/2005 |
| 6843836 | Integrated compressor drier apparatus A rotary compressor system having a drive rotary compressor unit, a separator vessel (13) receiving compressed gas and entrained liquid from said compressor for collecting the liquid therein and for returning the liquid to a lower pressure zone of the compres... | 01/18/2005 |
| 6799573 | Air filtration system An air filtration system includes a light weight container which stores a quantity of water for filtering contaminants from inhaled air. A coupling assembly is used to connect the container to a flexible hose for delivery of the filtered air to the dust mask worn by... | 10/05/2004 |
| 6800120 | Split-flow process and apparatus A recovery plant for recovery of a gaseous component from a process gas has an absorber employing a lean solvent and a semi-lean solvent that absorb the gaseous component from the process gas, thereby producing a rich solvent, a semi-rich solvent, and a lean process... | 10/05/2004 |
| 6780223 | Method and apparatus for treating an exhaust gas containing volatile organic compounds A method and apparatus for treating an exhaust gas containing volatile organic compounds. The method includes the steps of: introducing an exhaust gas into a wet scrubber, so that the organic pollutants in the exhaust gas are absorbed by a scrubbing water; pumping t... | 08/24/2004 |
| 6773582 | Drinking water treatment system including hydrogen sulfide scrubber using triazine compound and associated methods A drinking water treatment system includes a pump for pumping water from an aquifer, an aerator connected downstream from the pump for generating an outlet water flow and a hydrogen sulfide-containing gas flow, and a hydrogen sulfide scrubber for scrubbing the hydro... | 08/10/2004 |
| 6699308 | Method and apparatus for the drying of natural gas A system for removing water from natural gas which comprises: bringing the natural gas into contact with a liquid including an absorbent for the water; subjecting the natural gas and liquid to turbulent mixing conditions thereby causing the water to be ab... | 03/02/2004 |
| 6656249 | Method for desulphurization of gases A method of removing hydrogen sulphide from a gas stream wherein the hydrogen sulphide is scrubbed from the gas phase by an aqueous solution, the hydrogen sulphide in the aqueous solution is biologically oxidized in a bioreactor to produce elemental sulph... | 12/02/2003 |
| 6641635 | Liquid based air filtration system An air filtration system uses a liquid to remove impurities from the air. A specialized chamber allows the air and liquid to contact each other in close proximity, so that the liquid can pick up not only particulate matter, but fumes and toxic gasses as w... | 11/04/2003 |
| 6638342 | Process and facility for removing metal contaminants from fertilizer streams A process and system for producing fertilizers with reduced levels of contaminants, and particularly a flue gas scrubbing process and facility that produce a fertilizer byproduct which is treated to remove heavy metals originally present in the scrubbed f... | 10/28/2003 |
| 6607585 | Raw natural gas processing system and method of processing raw natural gas An improved method and structure for purification of an acid gas stream by using raw fuel gas as a stripper to remove the BTEX and VOCs from the liquid amine stream. The improved method is particularly useful for purification of acid gas streams with BTEX... | 08/19/2003 |
| 6605138 | Apparatus and method for exclusively removing VOC from regeneratable solvent in a gas sweetening system A method for removing residual VOC components from a fluid stream used in the sweetening of sour gas at gas processing plants. In a retrofit configuration, the method includes interposing a supplemental VOC removal station after a primary VOC removal stat... | 08/12/2003 |
| 6514321 | Dehumidification using desiccants and multiple effect evaporators A system and method for dehumidifying air including a multiple effect evaporator that creates a concentrated desiccant solution. The desiccant solution from the multiple effect evaporator is conveyed to a desiccant spray chamber that sprays the cooled des... | 02/04/2003 |
