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| Number | Title | Issue Date |
| 8137439 | Process and apparatus for COrecovery from flue gas with thermocompression A process for the recovery of CO2 from a flue gas is provided. This process includes compressing a flue gas to a first pressure, cooling the flue gas to a first temperature, and drying flue gas by a drying means. This process includes adsorbing CO2 | 03/20/2012 |
| 7785398 | Dryer and drying apparatus with enhanced moisture removal A dryer and a drying apparatus attachable to a dryer are disclosed. A wheel having desiccant material is located in line and in close proximity with a heating element. The wheel includes a first portion positioned in an inlet air path and a second portion positioned... | 08/31/2010 |
| 7507274 | Separation process using microchannel technology The disclosed invention relates to a process and apparatus for separating a first fluid from a fluid mixture comprising the first fluid. The process comprises: (A) flowing the fluid mixture into a microchannel separator in contact with a sorption medium, the fluid m... | 03/24/2009 |
| 7413595 | Control scheme for hybrid PSA/TSA systems An improved control scheme is set forth for an adsorption process that removes water and carbon dioxide (CO2) from a feed gas using a hybrid of both temperature swing (i.e. TSA) and pressure swing (PSA) to regenerate the adsorbent. The control scheme comp... | 08/19/2008 |
| 7331334 | System and method for purging fuel vapors using exhaust gas A system for a vehicle, comprising of an engine, and a fuel vapor storage system coupled to the engine configured to store and release fuel vapors, the system further configured to route exhaust gas from the engine to the vapor storage system and where adsorbed vapo... | 02/19/2008 |
| 7326283 | Spinning impingement multiphase contacting device A spinning impingement multiphase contacting device and method for heat or mass transfer are disclosed. A first fluid, from which the transfer is to occur, is caused to impinge and be entrained in a spinning permeable element, creating a highly dispersed phase. The ... | 02/05/2008 |
| 7316731 | Adsorption of contaminants from gaseous stream and in situ regeneration of sorbent Contaminant is removed from a gaseous stream, especially an air stream bearing the contaminant, by adsorption on a sorbent which is a resiliently compressible, electrically conductive, activated carbon cloth material, leaving a gaseous stream liberated of the contam... | 01/08/2008 |
| 7314506 | Fluid purification system with low temperature purifier A system and method for processing a matrix fluid to remove one or more impurities (such as moisture from a process gas). The purifier includes a pre-cooler that receives the matrix fluid and cools the matrix fluid to a second, lower temperature. A container is prov... | 01/01/2008 |
| 7306652 | Siloxane removal process Biogas released from landfills and sewage treatment plants is freed of siloxane contaminants by passing the biogas through a bed containing activated alumina, which absorbs the siloxanes. When the activated alumina becomes saturated with siloxanes, the absorption ca... | 12/11/2007 |
| 7291271 | Meso-frequency traveling wave electro-kinetic continuous adsorption system The invention provides a non-cyclic, meso-frequency traveling wave electro-kinetic system capable of use in purification/separation and/or refrigeration/heat pump processes. In particular, the invention provides an adsorption system that can be used for fine or bulk... | 11/06/2007 |
| 7285154 | Xenon recovery system A first aspect of a process of recovering xenon from feed gas includes: providing an adsorption vessel containing adsorbent having a Xe/N2 selectivity ratio 50% and... | 10/23/2007 |
| 7276095 | Fuel processor module for hydrogen production for a fuel cell engine using pressure swing adsorption A stand-alone fuel processor (10) for producing hydrogen from a hydrocarbon fuel for a fuel cell engine in a vehicle. The fuel processor (10) includes a primary reactor (14) that dissociates hydrogen and other by-products from the hydrocarbon fu... | 10/02/2007 |
| 7272942 | Method and system for purifying exhaust gas The invention relates to a method and system for purifying exhaust gas, especially a solvent-containing exhaust gas from refrigerator recycling, wherein the dried, pressurized exhaust gas is cryogenically condensed, the condensed components are separated from the re... | 09/25/2007 |
| 7250074 | Process for separating nitrogen from methane using microchannel process technology The disclosed invention relates to a process for separating methane or nitrogen from a fluid mixture comprising methane and nitrogen, the process comprising: (A) flowing the fluid mixture into a microchannel separator, the microchannel separator comprising a plurali... | 07/31/2007 |
| 7220390 | Microchannel with internal fin support for catalyst or sorption medium This invention relates to an apparatus, comprising: at least one process microchannel having a height, width and length, the height being up to about 10 mm, the process microchannel having a base wall extending in one direction along the width of the process microch... | 05/22/2007 |
| 7172645 | Gas filtration and storage using activated carbon/graphite foam monoliths An apparatus for separating a first gas from a mixture of the first gas and at least one second gas comprises a housing having an inlet port and an outlet port and an adsorbent which is positioned in the housing. The adsorbent comprising a carbon based foam monolith... | 02/06/2007 |
| 7153344 | Process for the preparation and recovery of carbon dioxide from waste gas or fumes produced by combustible oxidation A process for the separation and recovery of carbon dioxide from waste gases produced by combustible oxidation is described comprising the steps of feeding a flow of waste gas to a gas semipermeable material, separating a gaseous flow comprising high concentrated ca... | 12/26/2006 |
| 7147690 | Method for replenishing hydrogen to compressed hydrogen tank and hydrogen replenishing device A hydrogen replenishing device is provided with a plurality of hydrogen storage devices which are provided with hydrogen absorbing alloys of which storage pressure are different, a reformer which supplies a hydrogen to the hydrogen storage device which is provided t... | 12/12/2006 |
| 7147695 | Microfabricated microconcentrator for sensors and gas chromatography Devices for enhancing the sensitivity of a microsensor or any other micro device by providing on-line preconcentration. Microconcentrators that can be integrated with a sensor or a micromachined GC to enhance the signal to noise ratio can include a miniaturized sorb... | 12/12/2006 |
| 7148392 | Separation of 1-butene from Cfeed streams In a process for selectively separating 1-butene from a C4 feed stream comprising at least 1-butene, cis-2-butene and trans-2-butene, the feed stream is passed through a first bed of an adsorbent comprising a crystalline microporous material to form a sub... | 12/12/2006 |
| 7144445 | Use of an adsorbent in solid foam form for the purification or separation of gases Process for purifying or separating a gas or gas mixture using a monolithic adsorbent for the separation or purification of gases or gas mixtures, having a cellular structure with open porosity in the form of a solid foam permeable to the gas molecules. The gas phas... | 12/05/2006 |
| 7114492 | Method and system of purging evaporative emission control canister using heated purge air Method and system of purging evaporative emission control canister using heated purge air comprises a scrubber containing an activated carbon fiber material or carbon monolith selected to adsorb butane and/or pentane isomer vapors in low concentrations in air passin... | 10/03/2006 |
| 7101414 | Rotary bed sorption system including at least one recycled isolation loop, and methods of designing and operating such a system A method of reducing the sorbate concentration of a process fluid stream using a sorption bed system includes the following steps. A mass of a sorbent material is rotated so that, in a cycle of operation, a given volume of the sorbent mass sequentially passes throug... | 09/05/2006 |
| 7066986 | Apparatus for use in regenerating adsorbent An adsorber vessel for use in the adsorption of a component from a gas and subsequent regeneration by thermally induced desorption of the component comprises an inlet for regeneration gas having an inlet nozzle containing at least one heater element, and an outlet f... | 06/27/2006 |
| 7041272 | Systems and processes for providing hydrogen to fuel cells A process and system for providing a hydrogen-containing gas stream to a fuel cell anode that includes providing a hydrogen-containing gas stream that includes carbon monoxide, introducing the hydrogen-containing gas stream into a pressure swing adsorption module th... | 05/09/2006 |
| 7022159 | Process and apparatus for treating a feed gas A process and an apparatus related to the reduction of the level of a component in a feed gas such as air involving passing the gas to at least three parallel thermal swing adsorption zones charged with an adsorbent and operating according to an adsorption cycle, wh... | 04/04/2006 |
| 7022161 | Process using alumina agglomerates to eliminate organic oxygen-containing molecules present in an organic effluent A process for eliminating organic oxygen-containing molecules such as alcohols and organic present in an organic or gaseous effluent is characterized in that the elimination is carried out by adsorbing said organic oxygen-containing molecules onto alumina agglomerat... | 04/04/2006 |
| 7011695 | Barium-and calcium-based zeolitic adsorbent for gas purification in particular air Zeolite adsorbent, and method of production, exchanged with calcium and barium cations, for purifying or separating a gas or gas mixture, in particular air, so as to remove therefrom the impurities found therein, such as hydrocarbons and nitrogen oxides (Nx | 03/14/2006 |
| 6974496 | Apparatus for thermal swing adsorption and thermally-enhanced pressure swing adsorption The present invention provides compact adsorption systems that are capable of rapid temperature swings and rapid cycling. Novel methods of thermal swing adsorption and thermally-enhanced pressure swing adsorption are also described. In some aspects of the invention,... | 12/13/2005 |
| 6942719 | Methods and systems for pressure swing regeneration for hydrogen generation Methods and systems for pressure swing absorption for hydrogen generation are presented. In one embodiment, a method includes absorbing at least one oxide of carbon with a pressure swing absorber from a steam reformation of methane. The steam reformation may occur a... | 09/13/2005 |
| 6939395 | ADSORBER FOR CLEANING RAW GASES, FILTER MODULE COMPRISING SUCH AN ADSORBER, FILTER UNIT COMPRISING AT LEAST TWO SUCH FILTER MODULES, AND DEVICE FOR CONDITIONING OUTER AIR OR FOR TREATMENT OF ESCAPING AIR WITH SUCH FILTER MODULES An adsorber for cleaning raw gas has at least one filter element wherein the at least one filter element is made of electrically conducting adsorber material. A filter module has a module housing in which such an adsorber is arranged. The housing has at least one in... | 09/06/2005 |
| 6916359 | Ozone production processes Methods of providing ozone at a selected pressure above atmospheric pressure include supplying a purge gas supply (22) pressurized above the selected pressure to at least one ozone adsorption apparatus (12); desorbing ozone from the ozone adsorption ap... | 07/12/2005 |
| 6911066 | Method for treating a gas mixture by adsorption A method for operating a typical cyclic adsorption unit that is easily implemented in both new and existing treatment plants, wherein fluctuations in the stream compositions due to the adsorption and regeneration phase transitions of the cycles are minimized. ... | 06/28/2005 |
| 6846904 | Method for stabilizing fluorocopolymers After a melt-processable fluorine-containing copolymer is heated and molten, the copolymer is reheatd in a closed apparatus under a non-static condition at a temperature of, for example, 130° C. to the melting point of the fluorine-containing polymer, whereby a con... | 01/25/2005 |
| 6773490 | Sulfur trioxide delivery system A process for reversible sorption of sulfur trioxide onto a sorbent comprising a) contacting from about 15% to 100% sulfur trioxide with the sorbent under anhydrous conditions at a temperature of from about 35° C. to about 150° C. thereby sorbing the sulfur trioxi... | 08/10/2004 |
| 6746515 | Method and apparatus for thermal swing adsorption and thermally-enhanced pressure swing adsorption The present invention provides compact adsorption systems that are capable of rapid temperature swings and rapid cycling. Novel methods of thermal swing adsorption and thermally-enhanced pressure swing adsorption are also described. In some aspects of the invention,... | 06/08/2004 |
| 6706090 | Method for recovering and/or separating sulfur oxyfluorides from gas mixtures A method for the recovery or separation of sulfur oxyfluorides from gas mixtures, in which the gas mixture passes through at least one adsorption stage or membrane stage containing or consisting of zeolites with a modulus >10. The sulfur oxyfluorides fixed to the ad... | 03/16/2004 |
| 6660063 | Sorbent-based gas storage and delivery system A capacity increase and/or pressure decrease of gas in a gas storage and dispensing vessel is achieved by use of a physical adsorbent having sorptive affinity for the gas. Such approach enables conventional high pressure gas cylinders to be redeployed wit... | 12/09/2003 |
| 6638340 | Composite adsorbents for air purification Applicant has developed an improved adsorbent useful in removing contaminants from various air streams. The adsorbent contains a zeolite, an alumina and a metal component. The metal component is present in an amount at least 10 mol-% of the stoichiometric... | 10/28/2003 |
| 6630012 | Method for thermal swing adsorption and thermally-enhanced pressure swing adsorption The present invention provides compact adsorption systems that are capable of rapid temperature swings and rapid cycling. Novel methods of thermal swing adsorption and thermally-enhanced pressure swing adsorption are also described. In some aspects of the... | 10/07/2003 |
