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| Number | Title | Issue Date |
| 8007571 | System for separating a waste liquid from a produced gas and injecting the waste liquid into a well Produced natural gas containing carbon dioxide is dehydrated and chilled to liquefy the carbon dioxide and then fractionated to produce a waste stream of liquid carbon dioxide and hydrogen sulfide. Natural gas liquids may be first separated and removed before fracti... | 08/30/2011 |
| 7789944 | System and method for treating dust contained in extracted cement kiln combustion gas A treatment system to efficiently remove lead from dust contained in extracted cement kiln combustion gas while reducing facility and running costs. A treatment system 1 comprising: a probe 3 for extracting a part of combustion gas, while cooling it, f... | 09/07/2010 |
| 7604686 | Method and device for cooling vapor in a desorption column The invention relates to a method for cooling rising vapor (3) in a desorption column (2) by means of a condenser, which is situated at the head of the desorption column, is configured as an indirect heat exchanger and is traversed by a coolant (1 | 10/20/2009 |
| 7363828 | Aerosol measurement by dilution and particle counting The present invention includes an apparatus for aerosol measurement having a high concentration of particles the apparatus comprising a diluter for diluting the concentration of particles in a sample aerosol stream to form a diluted aerosol stream, and a sensor for ... | 04/29/2008 |
| 7332007 | Dusting device with multiple stream nozzles A dedusting device 1 with a demister 15 advantageously arranged standing obliquely has a very compact construction because sufficient moistening or wetting of dust-containing crude air 24 is possible through the use of intensively acting multipl... | 02/19/2008 |
| 7264654 | Process and system for the condensation of multi-component working fluids A process and system for condensing a multi-component fluid is disclosed, where the process and system are designed to provide a substantial increase in a heat transfer coefficient during condensation of multi-component fluids resulting in a drastic reduction in siz... | 09/04/2007 |
| 7192468 | Configurations and method for improved gas removal A plant includes an absorber (103) that operates in a gas phase supercritical region and removes an acid gas from a feed stream (9) at high recovery of the feed stream (10) while producing a high purity acid gas stream (36). Particularly ... | 03/20/2007 |
| 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 |
| 7135058 | Polluted air treatment method and system A system for removing at least one pollutant from an air stream exhaust, the system including a plurality of enclosures through which the air stream exhaust is directed to cool the air stream exhaust, a plurality of barriers within each respective enclosure to imped... | 11/14/2006 |
| 7048776 | Advanced air cleaning system and method A method and system removes nuclear, biological and chemical (NBC) agents from an air stream from a facility HVAC. The system includes an irradiation zone, a saturation zone and a precipitation zone. A contaminant detection apparatus controls the irradiation, satura... | 05/23/2006 |
| 7029589 | Universal method and apparatus for conversion of volatile compounds A method or process of treating a contaminated fluid (10) having at least one contaminant having a property selected from the group consisting of being volatile, hazardous, tacky and a combination thereof is provided. The method comprises contacting the conta... | 04/18/2006 |
| 6884282 | Method and system for increasing the absorption selectivity of H2S from a gas containing CO2 and H2S A system and a method for increasing the selectivity of H2S absorption in an aqueous amine treating processes for streams containing high CO2:H2S ratio mixtures in an absorption column by maintaining the temperature in the absorption... | 04/26/2005 |
| 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 |
| 6793712 | Heat integration system for natural gas liquefaction A pretreatment system for natural gas liquefaction employing heat integration for more efficient and effective natural gas temperature control. The pretreatment system expands the natural gas prior to acid gas removal. After acid gas removal, the natural gas is cool... | 09/21/2004 |
| 6764530 | Exhaust heat utilization method for carbon dioxide recovery process An exhaust heat utilization method for a carbon dioxide recovery process comprises heating returning hot water by at least one heat exchange selected from heat exchange with the regenerated absorbing liquid after heat exchange, heat exchange with carbon dioxide exha... | 07/20/2004 |
| 6743279 | Air purification device for air handling units An air handling unit having a unique air treatment device, and a method for retrofitting existing air handling units to include the air treatment device. The air handling unit includes a casing defining a space for conditioning air, and forming an inlet and an outle... | 06/01/2004 |
| 6733735 | Method and device for temperature reduction of exhaust gas by making use of thermal water A system for reducing the temperature of exhaust gas in an incinerator or boiler equipment having an exceedingly small size and avoiding any difficulties caused by damage to the wall surface of a gas cooling chamber due to adherence of sprayed water droplets and dep... | 05/11/2004 |
| 6726747 | Methods and apparatuses for treatment of syngas and related gases An improved methane wash cycle is disclosed wherein a reduced amount of methane wash is required, thereby allowing for savings in energy costs in operation of the cycle and capital costs in constructing the cycle. Further embodiments allow for an energy recovery and... | 04/27/2004 |
| 6726750 | Apparatus and method for efficient recovery of volatile organic compounds An apparatus for efficiently removing VOC from a plurality of remotely located sources of VOC contaminated gas streams includes a plurality of liquid absorbers, each located near and communicating with a source of a VOC contaminated gas stream, the liquid absorbers ... | 04/27/2004 |
| 6712880 | Cryogenic process utilizing high pressure absorber column A cryogenic process and apparatus for separating multi-component gaseous hydrocarbon streams to recover both gaseous and liquid compounds. More particularly, the cryogenic processes and apparatus of this invention utilize a high pressure absorber to improve the ener... | 03/30/2004 |
| 6712881 | Continuous, laminar flow water-based particle condensation device and method An apparatus and method for producing a diffusive, continuous laminar flow for particle growth via condensation of vapors with a mass diffusivity near or higher than the thermal diffusivity of the surrounding gas. In an exemplary embodiment, the method uses the cond... | 03/30/2004 |
| 6638343 | Exhaust gas treating device A waste gas treatment system has a primary cooling section provided at a stage subsequent to a decomposition treatment section in which a waste gas is subjected to decomposition treatment at high temperature. The primary cooling section has a liquid spray... | 10/28/2003 |
| 6613127 | Quench apparatus and method for the reformation of organic materials Methods and apparatus for processing and cooling a hot gaseous stream exiting a gasification reactor vessel at temperatures in excess of 1300° C. where the gas will come into contact with a corrosive aqueous liquid, including methods and apparatus for co... | 09/02/2003 |
| 6551382 | Hot-humid/cold gas scrubbing process and apparatus Effluent gas cleaning process and apparatus for effectively removing particulates in the 0.01 micron to 0.1 micron diameter range, and for removing water-soluble gaseous contaminants, by first bringing the effluent to a relatively high temperature and hum... | 04/22/2003 |
| 6530978 | System for removing particulate and aerosol from a gas stream The present invention is a system 100 for removing particulate matter and aerosols from a gas stream generated by gasification prior to the gas stream being used as fuel in an internal combustion device or as synthesis gas for subsequent processing. The p... | 03/11/2003 |
| 6523811 | Method and device for temperature reduction of exhaust gas by making use of thermal water A system for reducing the temperature of exhaust gas in an incinerator or boiler equipment having an exceedingly small size and avoiding any difficulties caused by damage to the wall surface of a gas cooling chamber due to adherence of sprayed water dropl... | 02/25/2003 |
| 6475266 | Exhaust gas recovery method and apparatus An exhaust gas recovery method and apparatus including: a first process in which volatile organic compound gas in exhaust gas from a exhaust gas discharging source is absorbed into water by a scrubber; a second process in which water including the volatil... | 11/05/2002 |
| 6372023 | Method of separating and recovering carbon dioxide from combustion exhausted gas and apparatus therefor There is disclosed a method of separating and recovering carbon dioxide from combustion exhausted gas, which method includes: bringing the combustion exhausted gas in contact with water, under a pressure-increased condition, to form carbon dioxide hydrate... | 04/16/2002 |
| 6372021 | Extractive removal of methanol from cumene-to-phenol process vent gas Injection of even very small amounts of supplemental water to the spent-air stream at points upstream from the heat exchanger cooler(s) used in processing spent-air streams from a cumene-to-phenol process allows these heat exchanger coolers to act as both... | 04/16/2002 |
| 6372022 | Ionic purifier Provided are ionic purifiers and methods that are suitable for providing an ultra-high-purity chemical to a semiconductor manufacturing process. The ionic purifiers include a vapor inlet introducing a chemical vapor to be purified into a column. A high-pu... | 04/16/2002 |
| 6312504 | Rotary washer with obliquely positioned demister For purifying dust-containing air, particularly in underground mining and tunnel construction, a dust separator 1 in the form of a rotary washer 1 is proposed. The drive 5 of said rotary washer 1 is equipped with a gear unit 10 in order to enable long-ter... | 11/06/2001 |
| 6273940 | Mist elimination/air toxic control in a wet scrubber using a condensing heat exchanger A system for eliminating mist from a flue gas while providing air toxic control includes a wet scrubber housing having an inlet at one of the housing for the entry of the flue gas and an outlet at an opposite end of the housing for the exit of the flue ga... | 08/14/2001 |
| 6197093 | Method and apparatus for the purification of waste gas of a drying apparatus The exhaust gas enters via an exhaust gas line into a washing apparatus. In the washing apparatus solid matter particles are predominantly separated. The pre-washed exhaust gas flows from the washing apparatus through a droplet removing conduit to a trick... | 03/06/2001 |
| 6174440 | Device and method for processing a fluid by two-phase compression and fractionation The invention is a device for processing a fluid F comprising at least one fraction A to be separated, the fraction to be separated being soluble in a solvent phase. The device includes at least one delivery for the fluid F to be processed; at least one d... | 01/16/2001 |
| 6156102 | Method and apparatus for recovering water from air A process of separating water from ambient air involves a liquid desiccant to first withdraw water from air and treatment of the liquid desiccant to produce water and regenerated desiccant. Water lean air is released to the atmosphere. Heat generated in t... | 12/05/2000 |
| 5928412 | Method and apparatus for cleaning a vapour A method is disclosed by which vapour is cleaned of gaseous impurities during evaporation of polluted liquids. Vapour is conducted via a boiler, a compressor to a heat exchanger (12) in which condensation takes place. In order to clean the vapour, a scrub... | 07/27/1999 |
| 5907924 | Method and device for treating natural gas containing water and condensible hydrocarbons A method of treating gas containing water in order to remove at least part of the water from the gas, including feeding the natural gas to be treated by a first line, with a liquid fraction containing at least an aqueous phase is fed via a second line in ... | 06/01/1999 |
| 5897690 | Vapor recovery system for hydrocarbon storage tanks A vapor recovery system for hydrocarbon storage tanks captures VOCs (volatile organic compounds) which would otherwise escape to the atmosphere, thereby reducing pollutant emissions to the environment. The system includes a wash chamber, where the VOC vap... | 04/27/1999 |
| 5871563 | Process for purifying inert gases The invention relates to a process for the purification of an inert gas by subjecting the inert gas to a sorption treatment, especially gas scrubs. The invention comprises compressing the inert gas to a higher pressure before the sorption treatment, perfo... | 02/16/1999 |
| 5846299 | Recovering water soluble, volatile, organic compounds from bakery and other plant emissions Recovery of ethanol from the exhaust stacks of a bread-baking oven is achieved by passing the stack emissions through an adiabatic humidifier where the emissions are humidified to near saturation. The unevaporated water content of the humidifier is collec... | 12/08/1998 |
