Rotating Housing Containing Fixed Sorbent Or Rotating Plurality Of Housings Patents (Class 95/113)
-
Publication number: 20130025450Abstract: Systems and methods to condition air are disclosed. An example system includes a desiccant heat transfer device to supply conditioned air to a facility, an air intake to receive air to be conditioned via the desiccant heat transfer device, and a make-up exhaust to provide exhaust air from a heat dissipating device in the facility to provide heated air to reactivate the desiccant heat transfer device.Type: ApplicationFiled: July 29, 2011Publication date: January 31, 2013Inventors: Ratnesh Kumar Sharma, Chih C. Shih, Thomas W. Christian, Cullen E. Bash
-
Patent number: 8328904Abstract: An active wheel desiccant dehumidifier is controlled for improved energy savings by modulating operation characteristics including process air flow, reactivation air flow, temperatures, and wheel rotation in response to changing conditions.Type: GrantFiled: May 3, 2010Date of Patent: December 11, 2012Assignees: Bry-Air, Inc., Bry-Air (Asia) Pvt. Ltd.Inventors: William C. Griffiths, Deepak Pahwa, Rajan Sachdev
-
Patent number: 8268030Abstract: The invention provides wind energy use. One application provides wind energy use for water harvesting from natural humid air. The method is based on changing thermodynamic state parameters of ambient wind air portions passed through a device comprising convergent-divergent and wing-like components. Those components transform the ambient wind portions into fast and cooled outflowing air portions. A decrease in static pressure and temperature triggers condensation of water-vapor into water-aerosols. Another application of the method provides an effective mechanism for harvesting electrical energy from naturally warm air using renewable wind energy, including the wind inertia, internal heat, and potential energy stored in the air mass in the Earth's gravitational field. The electrical energy harvesting mechanism is also applicable to use of natural renewable energy of streaming water.Type: GrantFiled: December 20, 2011Date of Patent: September 18, 2012Inventor: Yuri Abramov
-
Patent number: 8257470Abstract: Disclosed is a harmful material treatment system for recovering the energy and removing the harmful material in the process of treating the gas containing the harmful material generated in the multiplex utilization facility, in the display mall, in diverse manufacturing processes and in the vehicle painting process, more particularly, to a harmful material treatment system which can recover the energy contained in the air conditioning facility or in the exhaust gas of the process with an efficiency of more than 90%, for exhausting the inside air to the outside so as to treat the contaminating material such as odor and volatile organic chemicals, and to remove the harmful material with a removal efficiency of more than 90% by adsorbing and concentrating the harmful material with a rotary-type adsorbent.Type: GrantFiled: March 24, 2006Date of Patent: September 4, 2012Assignee: Enbion Inc.Inventors: Hyun Jae Lee, Myeong Soo Yoon, Min Su Shin, Won Moon Jeong, Jeong Ki Min
-
Patent number: 8241399Abstract: A method of generating heat from a gas stream includes providing a first gas stream having a first temperature and a moisture content approximately saturating the gas stream, removing the moisture content from the first gas stream to form a second gas stream having a second temperature greater than the first temperature of the first gas stream, and heat exchanging the second gas stream having the second temperature greater than the first temperature of the first gas stream.Type: GrantFiled: May 16, 2009Date of Patent: August 14, 2012Inventor: Walter Albers
-
Patent number: 8221514Abstract: The invention provides an ecologically clean method and apparatus for water harvesting from air. The method is based on changing of thermodynamic state properties of air wind getting a rotation and passing through convergent-divergent nozzles. The apparatus is a water condensation engine exposed to humid wind. The constructive solution has no moving solid parts, and the incoming wind is an inherent moving component of the engine. It comprises a cascade of sequentially arranged horn-tubes and a set of stationary wing-like details. Those horn-tubes transform the wind into a fast and cooled out-flowing air flux coming-and-hitting upon the set of wing-like details, where the air portions are accelerated and eddying. The inner static pressure and temperature decrease in the air portions. The decrease in static pressure and temperature triggers off condensation of water-vapors into water-aerosols.Type: GrantFiled: August 11, 2010Date of Patent: July 17, 2012Assignee: Yuri AbramovInventor: Yuri Abramov
-
Patent number: 8221523Abstract: The invention is an apparatus and method for filtering a volume of gas. In one embodiment, the invention is a filtering apparatus having a hollow vessel with inlets and outlets, channels in communication with the inlets and outlets, a form of filter media, and an uninterruptible flow controlling device for regulating the circulation of gas within the apparatus. In another embodiment, the invention is a method incorporating an uninterruptible filtering apparatus to remove evaporated liquid from a volume of gas by passing the gas over a filter media contained within a hollow vessel.Type: GrantFiled: October 13, 2006Date of Patent: July 17, 2012Assignee: Orava Applied Technologies CorporationInventor: John E. Orava
-
Publication number: 20120152116Abstract: Rotary fluid processing systems and associated methods are disclosed. A purification system in accordance with the particular embodiment includes a rotatable adsorbent-containing heat/mass transfer element that is generally symmetric about a rotation axis, and includes multiple radial flow paths oriented transverse to the rotation axis and multiple axial flow paths oriented transverse to the radial flow paths. The axial flow paths and radial flow paths are in thermal communication with each other, and are generally isolated from fluid communication with each other at the heat transfer element. Particular embodiments can further include a housing arrangement having multiple manifolds with individual manifolds having an entry port and an exit port, and with individual manifolds having different circumferential locations relative to the rotation axis.Type: ApplicationFiled: December 16, 2010Publication date: June 21, 2012Applicant: Prometheus Technologies, LLCInventors: John A. Barclay, Tadeusz Szymanski, Lenard J. Stoltman, Kathryn Oseen-Senda, Hunter A. Chumbley
-
Patent number: 8187368Abstract: The present invention provides a low power consumption desorption apparatus, which utilizes a pair of electrodes coupled to an absorbing material to provide an electric current flowing through the absorbing material so as to desorb the substances absorbed within the absorbing material. By means of the desorption apparatus of the present invention, the absorbing material is able to enhance the desorbing efficiency and reducing power consumption during desorption. The present invention further provides a dehumidifier using the low power consumption desorption apparatus for providing a continuous dry air flow to desorb and regenerate the moisture from the absorbing material so that the dehumidifier is capable of removing moisture in the air repeatedly to reduce the humidity.Type: GrantFiled: August 28, 2009Date of Patent: May 29, 2012Assignee: Industrial Technology Research InstituteInventors: Ming-Shiann Shih, Yu-Li Lin, Jau-Chyn Huang, Ting-Wei Huang, Yen-Hsun Chi, Yo-Ming Chang, Ming-Shan Jeng, Ya-Wen Chou
-
Patent number: 8182583Abstract: A method, system, and computer readable storage medium for managing powdered activated carbon (PAC) injections for controlling mercury emissions from coal-fired boilers. A mercury concentration value received from a mercury continuous emissions monitor is stored in the plant control system database. A PAC injection rate from an activated carbon injection system also is stored in the plant control system database. If the mercury concentration value is greater than the mercury setpoint, a signal is sent to the activated carbon injection system to increase PAC injection by a predetermined value. If the mercury concentration value is less than the mercury setpoint, a signal is sent to the activated carbon injection system to decrease PAC injection by a predetermined value.Type: GrantFiled: September 11, 2009Date of Patent: May 22, 2012Assignee: Southern Company Services, Inc.Inventors: Damon Eric Woodson, Charles Walter Conner, Lawrence Petoia, Calvin J. Hohenshell
-
Publication number: 20120118152Abstract: Compressed gas dryer, provided with a drying zone (3) and a regeneration zone (5), and a drum (9) rotatable in the housing (2) containing a drying agent (8) that is transferred successively through the drying zone (3) and the regeneration zone (5), whereby said regeneration zone (5) comprises a first subzone (6) having a first inlet to supply a first regeneration gas flow, and a second subzone (7) having a second inlet to supply a second regeneration gas flow of which the relative humidity is lower compared to that of the first regeneration gas flow; and that an outlet of said drying zone (3) is connected via a connection conduit (17) to the second inlet of the second subzone (7).Type: ApplicationFiled: July 29, 2010Publication date: May 17, 2012Inventor: Constantijn Frisco Vermeer
-
Patent number: 8142555Abstract: The invention aims at making a volatile organic compound harmless, and in addition comprehensively improving the energy efficiency within a facility where treatment of the volatile organic compound is necessary. In the invention, in order to achieve this aim, a solution means is adopted where, a discharge gas containing a volatile organic compound is supplied to an adsorption apparatus to adsorb the volatile organic compound in an adsorbent. The volatile organic compound is desorbed from the adsorbent with pressurized steam and mixed with the steam. The steam containing the volatile organic compound is supplied, in the pressurized state, to the combustion chamber of a gas turbine, and burned together with a fuel gas.Type: GrantFiled: August 18, 2005Date of Patent: March 27, 2012Assignee: Ishikawajima-Harima Heavy Industries Co., Ltd.Inventor: Shigekazu Uji
-
Patent number: 8137440Abstract: 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 in an outlet air path. The desiccant material removes water molecules from air within the inlet air path, and lowers the vapor pressure of the incoming air. In the outlet air path, heated air flows through the second portion to transfer energy to the desiccant material. The wheel rotates to change the desiccant material within the portions.Type: GrantFiled: March 12, 2008Date of Patent: March 20, 2012Assignee: Protégé EnterprisesInventors: Charles Robert Dewald, III, Thomas L. Cristello
-
Patent number: 8118912Abstract: Embodiments of the invention include a system and a method for purifying and storing water produced from atmospheric air to provide a safe, inexpensive source of potable water. Improvements over prior systems and methods include the use of two isolated air chambers, one for ambient air used to capture moisture from the atmosphere, and another for clean rechargeable air to convert the captured moisture into condensate and using a rotating mass of hygroscopic material and a condensation unit, each of which is periodically sterilized by heat.Type: GrantFiled: September 5, 2009Date of Patent: February 21, 2012Inventors: Felix Rodriguez, Nizar K. Khanji
-
Patent number: 8062610Abstract: For analysis of small quatities of target analytes in an environment, the gas flow can be delivered to a suitably fast analyzer and their concentration determined in a time period whose duration is dependent on the analyte, its concentration and the phase separation properties. A device having a sorbent bed that is essentially concentric with a passage way containing thermal fluid is used to concentrate the target analyte.Type: GrantFiled: February 16, 2006Date of Patent: November 22, 2011Assignee: The United States of America as represented by Environmental Protection AgencyInventors: Brian K. Gullett, Abderrahamne Touati, Shawn Ryan, William Squier
-
Patent number: 8052783Abstract: A rotary adsorber for continuous bulk separations is disclosed. The rotary adsorber includes an adsorption zone in fluid communication with an influent adsorption fluid stream, and a desorption zone in fluid communication with a desorption fluid stream. The fluid streams may be gas streams or liquid streams. The rotary adsorber includes one or more adsorption blocks including adsorbent structure(s). The adsorbent structure adsorbs the target species that is to be separated from the influent fluid stream. The apparatus includes a rotary wheel for moving each adsorption block through the adsorption zone and the desorption zone. A desorption circuit passes an electrical current through the adsorbent structure in the desorption zone to desorb the species from the adsorbent structure. The adsorbent structure may include porous activated carbon fibers aligned with their longitudinal axis essentially parallel to the flow direction of the desorption fluid stream.Type: GrantFiled: August 25, 2006Date of Patent: November 8, 2011Assignee: UT-Battelle LLCInventor: Frederick S. Baker
-
Patent number: 8043414Abstract: A method and an apparatus for desorption and a dehumidifier are provided in the present invention, in which an electrical potential is applied to electrodes disposed on both ends of an absorbing material so as to desorb the substances absorbed within the absorbing material whereby the absorbing material is capable of being maintained for cycling the absorbing operation. By means of the method and the apparatus of the present invention, the desorbing efficiency can be enhanced and the energy consumption can be reduced during desorption.Type: GrantFiled: March 16, 2009Date of Patent: October 25, 2011Assignee: Industrial Technology Research InstituteInventors: Ming-Shan Jeng, Ming-Shiann Shih, Jau-Chyn Huang, Yu-Li Lin, Ya-Wen Chou, Ting-Wei Huang, Yu-Ming Chang
-
Publication number: 20110209613Abstract: A method and apparatus for regenerating the media of a rotary sorption concentrator system includes passing a 600° F. to 1000° F. regeneration fluid stream through a rotating media in a first isolated zone to regenerate the media and remove contaminants from the media that are not removed during a typical desorption cycle of a rotary sorption concentrator system.Type: ApplicationFiled: September 12, 2008Publication date: September 1, 2011Inventors: Christopher P. Jensen, Kevin Orff, Frank Giles
-
Patent number: 7886986Abstract: Control systems for recovery wheels, ventilation systems with recovery devices, buildings having ventilation, and methods of controlling recovery wheels and controlling or modifying ventilation systems. A parameter of ventilation systems or recovery devices, such as the speed of a recovery wheel, may be controlled as a function of pressure, differential pressure, flow rate, or fan speed, for example, to provide appropriate purge flow to maintain purge effectiveness and limit the carry-over of contaminants from a return/exhaust airstream to an outside/supply airstream, for instance, in a variable air-volume system. A purge angle may be set at a minimum position commensurate with a maximum flow rate and recovery-wheel speed may be reduced at lower flows to maintain purge effectiveness. In some embodiments, temperature and humidity are measured, and wheel speed is also controlled as a function of these measurements.Type: GrantFiled: November 8, 2006Date of Patent: February 15, 2011Assignee: Semco Inc.Inventors: John C. Fischer, Jr., Michael L. Boles, Richard K. Mitchell
-
Patent number: 7789942Abstract: Method for drying gas coming from a compressor (2), which is directed through a drier (5) of the type which consists of an air receiver (6) and a drying element (9) in the form of a rotor in which has been provided an adsorption and/or absorption medium (10) which is alternately guided through a drying zone (7) and a regeneration zone (8) of the air receiver (6), whereby during periods of standstill or of idle running of the compressor (2) a gas flow is guided counterflow through the adsorption and/or absorption medium (10) in the drying zone (7), i.e. in a flow direction (P) from the outlet (22) to the inlet (15) of the drying zone (7).Type: GrantFiled: January 4, 2007Date of Patent: September 7, 2010Assignee: ATLAS COPCO AIRPOWER, naamloze vennootschapInventors: Bart Etienne Agnes Vanderstraeten, Reinoud Luk Herwig Neefs
-
Patent number: 7785398Abstract: 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 in an outlet air path. The desiccant material removes water molecules from air within the inlet air path, and lowers the vapor pressure of the incoming air. In the outlet air path, heated air flows through the second portion to transfer energy to the desiccant material. The wheel rotates to change the desiccant material within the portions.Type: GrantFiled: May 9, 2007Date of Patent: August 31, 2010Assignee: Protégé EnterprisesInventors: Charles Robert Dewald, III, Thomas L. Cristello
-
Patent number: 7766998Abstract: In one aspect of the present invention, an apparatus for the extraction of water from air incorporated into a wall of a building has a cavity formed in the wall. The cavity has an air inlet and an air outlet. A condensing surface is disposed within the cavity and is adapted to direct condensed water to a water storage unit. In another aspect of the present invention, the cavity is formed between two different building walls.Type: GrantFiled: January 18, 2008Date of Patent: August 3, 2010Inventors: David R. Hall, Tyson J. Wilde, Andrew Gerla, Joshua Larsen
-
Patent number: 7722703Abstract: The device has a honeycomb rotor which is rotated and which supports an adsorbant. A seal divides the honeycomb rotor into a desorption zone and at least one other zone including an adsorption zone. The seal has a heat resistant/non flammable portion and an elastic seal portion. The heat resistant portion has a slot cut in a surface which contacts the honeycomb rotor. The elastic seal portion is formed outside of the desorption zone with respect to the heat resistant portion. Desorption air is substantially completely sealed within the desorption zone. The seal may allow for hot (perhaps 300° C.) desorption gas to be used with a rotation type gas adsorption concentration device.Type: GrantFiled: March 23, 2005Date of Patent: May 25, 2010Assignee: Seibu Giken Co., Ltd.Inventor: Yuji Fujioka
-
Patent number: 7670409Abstract: A method for processing an organic solvent-containing air is disclosed. The method can be operated in spite of a rapid fluctuation of the concentration of the organic solvents in the air to be processed, specifically, the method does not increase the organic solvent content in the air to be emitted into the atmosphere after processing, even if the concentration of the organic solvents rapidly changes. The method comprises carrying out simultaneously and continuously an adsorbing-removing step, a regenerating step, and a combustion step, while mixing a purified air produced in the adsorbing-removing step with an exhaust gas from a combustion furnace produced in the combustion step, and decomposing the organic solvents in the mixture by oxidation.Type: GrantFiled: February 26, 2007Date of Patent: March 2, 2010Assignee: Nichias CorporationInventors: Masaji Kurosawa, Katsuhiro Yamashita, Tomohiro Deguchi
-
Patent number: 7601206Abstract: Potable water is produced by extraction of water vapor from air. Water absorbed inside a desiccant bed is forced into vapor phase by using input heat energy, for example, waste heat from the exhaust of an internal combustion engine. Pre-heating a portion of the desiccant material prior to desorption enhances efficiency. Energy for the pre-heating may be obtained by recovering heat from the desiccant material prior to adsorption.Type: GrantFiled: August 22, 2006Date of Patent: October 13, 2009Assignee: MesoSystems Technology, Inc.Inventors: Charles J. Call, Robert C. Beckius, Ezra L. Merrill, Seung-Ho Hong, Mike Powell
-
Patent number: 7582139Abstract: A method for processing an organic solvent-containing air capable of being operated in spite of a rapid fluctuation of the concentration of organic solvents in the air to be processed and capable of using a combustion furnace exhaust gas as an air for regenerating dehumidifying member is provided. The method comprises carrying out simultaneously and continuously a dehumidification step (a), an adsorption-removing step (b), an adsorbing member-regeneration step (c), a combustion step (d), and a dehumidifying member-regeneration step (e) comprising mixing the adsorption-treated air produced in the adsorbing-removing step (b) with a combustion furnace exhaust gas produced in the combustion step (d) to obtain a mixed gas, decomposing the organic solvents in the mixed gas by oxidation, and causing the resulting purified gas to flow through the dehumidifying member which has adsorbed moisture, thereby regenerating the dehumidifying member.Type: GrantFiled: February 26, 2007Date of Patent: September 1, 2009Assignee: Nichias CorporationInventors: Masaji Kurosawa, Katsuhiro Yamashita, Tomohiro Deguchi
-
Patent number: 7563306Abstract: An apparatus and method of conditioning humidity and temperature in the process air stream of a desiccant dehumidifier used to dry moisture-laden spaces and structures by replacing moisture-laden air with dehumidified air to increase the rate of water evaporation within the affected areas. An air-dehumidifier comprises a dehumidification assembly having a desiccant rotor assembly, a shielded radiant burner assembly, and a control system. The shielded radiant burner assembly is used to regenerate the desiccant rotor by removing moisture from the reactivation quadrant, where high velocity (at least 500 ft/min) air streams are often flowed, by projecting radiant heat onto the rotor, while minimizing the potential for the high velocity air streams interrupting the combustion of air and fuel in the radiant burner.Type: GrantFiled: August 4, 2006Date of Patent: July 21, 2009Assignee: Technologies Holdings CorporationInventors: Charles A. Boutall, Albert Keith Teakell
-
Publication number: 20080289496Abstract: Fuel is desulfurized with a rapid cycle desulfurization-regeneration method and apparatus. Regeneratable mass separating agents, including metals supported on high surface area materials, are used in a plurality of beds that are rotated into, through, and out of a desulfurization series and a regeneration series by valves and plumbing, which can include a rotary valve apparatus.Type: ApplicationFiled: March 4, 2008Publication date: November 27, 2008Inventors: Joseph C. Poshusta, Jerry L. Martin
-
Publication number: 20080276802Abstract: 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 in an outlet air path. The desiccant material removes water molecules from air within the inlet air path, and lowers the vapor pressure of the incoming air. In the outlet air path, heated air flows through the second portion to transfer energy to the desiccant material. The wheel rotates to change the desiccant material within the portions.Type: ApplicationFiled: May 9, 2007Publication date: November 13, 2008Inventors: Charles Robert Dewald, III, Thomas L. Cristello
-
Publication number: 20080250925Abstract: The invention relates to a sorption element for a sorption-supported air conditioning unit for the humidification and/or heating and/or cooling of a room or an airflow. According to the invention, the heat and material transfer may be improved with a reduction in the size of the embodiment, variable amounts of the employed sorption agent and increased resistance to over-saturation, whereby the sorption element is embodied as a tubular piece with a tubular cross-section with a first and an opposing second open end with a first air-permeable grid element (23), defining the first open end and a second air-permeable grid element (14), defining the second open end thereof, whereby the grid elements do not permit a sorption agent to pass.Type: ApplicationFiled: December 15, 2004Publication date: October 16, 2008Inventors: Horst Egger, Olaf Schwandt
-
Patent number: 7338548Abstract: An apparatus and method of conditioning humidity and temperature in the process airstream of a desiccant dehumidifier used to dry moisture-laden spaces and structures by replacing moisture-laden air with dehumidified air to increase the rate of water evaporation within the affected areas. A heat-modulating dehumidifier comprises a dehumidification assembly having a desiccant rotor assembly, a post-process pre-reactivation heat exchanger assembly, a reactivation air bypass damper, a reactivation heater, and a control system. The apparatus regulates the temperature level of the dehumidified air exiting the apparatus by extracting heat from the dehumidified air prior to its ejection into an affected area, using a bypass damper that controls the amount of heat transfer from the dehumidified air to a second airstream entering the apparatus.Type: GrantFiled: March 2, 2005Date of Patent: March 4, 2008Inventor: Charles A. Boutall
-
Patent number: 7326277Abstract: The invention comprises a temperature swing adsorption system for providing dry air to an air brake system. More particularly, there is provided a desiccant wheel upstream of the air compressor to dry air prior to its compression.Type: GrantFiled: April 14, 2004Date of Patent: February 5, 2008Assignee: UOP LLCInventors: Alan P. Cohen, Stephen R. Dunne, Rustam H. Sethna
-
Patent number: 7251945Abstract: A water production unit is provided that uses a desiccant wheel for extracting water from an air loop. A portion of the air loop is heated using exhaust from, for example, a vehicle to regenerate the desiccant wheel.Type: GrantFiled: August 9, 2005Date of Patent: August 7, 2007Assignee: Hamilton Sandstrand CorporationInventor: Stephen Tongue
-
Patent number: 7250073Abstract: Gas separation by pressure swing adsorption (PSA) and vacuum pressure swing adsorption (VPSA), to obtain a purified product gas of the less strongly adsorbed fraction of the feed gas mixture, is performed with an apparatus having a plurality of adsorbers. The adsorbers cooperate with first and second valves in a rotary PSA module, with the PSA cycle characterized by multiple intermediate pressure levels between the higher and lower pressures of the PSA cycle. Gas flows enter or exit the PSA module at the intermediate pressure levels as well as the higher and lower pressure levels, under substantially steady conditions of flow and pressure. The PSA module may comprise a rotor containing laminated sheet adsorbers and rotating within a stator, with ported valve faces between the rotor and stator to control the timing of the flows entering or exiting the adsorbers in the rotor.Type: GrantFiled: July 2, 2004Date of Patent: July 31, 2007Assignee: QuestAir Technologies, Inc.Inventors: Bowie G. Keefer, Christopher R. McLean, Matthew L. Babicki
-
Patent number: 7217313Abstract: A dehumidifying system supplies a gas free of organic substances. The dehumidifying system includes a holding case, and a rotor rotatably held in the holding case and bearing an adsorbent. The interior of the holding case is divided into an adsorbing zone and a regenerating zone by partition plates attached to the holding case. A process gas is supplied into the adsorbing zone. The process gas processed in the adsorbing zone is supplied into an objective space. A regenerating gas is supplied into the regenerating zone to eliminate moisture and organic substances adsorbed by the adsorbent in the adsorbing zone from the adsorbent.Type: GrantFiled: May 26, 2003Date of Patent: May 15, 2007Assignees: Tokyo Electron Limited, Nichias CorporationInventors: Hiroshi Motono, Takashi Tanahashi, Masaji Kurosawa, Katsuhiro Yamashita
-
Patent number: 7166149Abstract: Using a high pressure rotary adsorbent wheel, a high value compressed gas feed can be purified by concentrating the impurity such as water, condensing it out, before final purification. Instead of exhausting gas from the system, the effluent can be put back into the feed at a point prior to condensation of the high value gas feed, and therefore the entire feed is purified without any high value gas feed going into a waste stream.Type: GrantFiled: January 12, 2004Date of Patent: January 23, 2007Assignee: UOP LLCInventors: Stephen R. Dunne, Peter K. Coughlin, Rustam H. Sethna
-
Patent number: 7101414Abstract: 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 through first, second, third, fourth, fifth, and sixth zones, before returning to the first zone. A process fluid stream is passed through the sorbent mass in the first zone, and a regeneration fluid stream is passed through the sorbent mass in the fourth zone. A first isolation fluid stream is recycled in a closed loop, independent of the process fluid stream and the regeneration fluid stream, between the sorbent mass in the second zone and in the sixth zone. A second isolation fluid stream, meanwhile, is recycled in a closed loop, independent of the process fluid stream, the regeneration fluid stream, and the first isolation fluid stream, between the sorbent mass in the third zone and in the fifth zone.Type: GrantFiled: April 27, 2004Date of Patent: September 5, 2006Assignee: Munters CorporationInventors: Paul A. Dinnage, Stephen C. Brickley
-
Patent number: 7080505Abstract: A vehicular atmosphere cleansing system utilizes a regenerative wheel having flow channels extending through the wheel coated with an adsorbant. An atmosphere stream passes through a first position dependent portion of the wheel where VOC's including HC's are adsorbed while a heated atmosphere stream passes through a second position dependent regenerative portion of the wheel whereat VOC's are desorbed. The adsorbant is activated carbon having particles of micropore size adhered to the substrate by a silicone binder producing high adsorption efficiencies while withstanding relatively high regenerative heat temperatures resulting from exhaust gas sensible heat. A hydrocarbon senses HC in the desorbed heated atmosphere stream to rotatively and sequentially index pie shaped, segmented portions of the wheel into the wheel's regenerative region while also functioning as the main component of an OBD device for the system.Type: GrantFiled: July 8, 2003Date of Patent: July 25, 2006Assignee: Engelhard CorporationInventors: Gerald S. Koermer, Jeffrey B. Hoke, Ronald M. Heck, Terence C. Poles, Edward T. Wolynic
-
Patent number: 7037358Abstract: Disclosed embodiments address contaminant management challenges that arise during production of desirably contaminant free product fluid in the operation of PSA equipment, and further address the more serious challenges that arise under intermittent operation of PSA equipment. One disclosed embodiment of a PSA apparatus, intended primarily for normal operating cycle speeds of at least 3 cycles per minute, includes a breather fluidly coupled to a feed end of an adsorber with a contaminant-sensitive adsorbent. The breather can be coupled to the feed end through a shutoff valve closed during production and open during shutdown. Other disclosed embodiments of the PSA apparatus used particular sealing strategies for additional sealing of the apparatus, or at least components thereof, from contaminant ingress.Type: GrantFiled: December 11, 2001Date of Patent: May 2, 2006Assignees: The BOC Group, Inc., QuestAir Technologies Inc.Inventors: Matthew L. Babicki, Bowie G. Keefer, Andrea C. Gibbs, Alberto I. IaCava, Frank Fitch
-
Patent number: 7022168Abstract: In a method for removing carbon dioxide from the exhaust gas from a gas turbine plant (11), which exhaust gas is subjected to a downstream heat recovery process (12, 33), preferably in the heat recovery steam generator (33) of a water/steam cycle (12), a simplification of the plant engineering is achieved by the fact that the carbon dioxide is removed from the exhaust gas (39) between the gas turbine plant (11) and the heat recovery process (12, 33), and that a rotating, regenerative absorber/desorber (22) is used to remove the carbon dioxide, the absorber side of which absorber/desorber is connected into the exhaust gas stream (39) and the desorber side of which absorber/desorber is connected into a carbon dioxide cycle (38).Type: GrantFiled: April 10, 2003Date of Patent: April 4, 2006Assignee: Alstom Technology LTDInventors: Armin Schimkat, Juergen Baum
-
Patent number: 7018447Abstract: A method of cleaning the adsorbent media of a rotary concentrator in-situ while maintaining operation of the concentrator, including directing washing liquid into the sectors in the desorb plenum, then rotating the sectors one full revolution plus at least one sector into the desorb plenum to bring a second sector into the desorb plenum, washing the second sector and repeating the cycle until all of the adsorbent media is washed. The method may also include directing washing liquid into sectors not located in the desorb plenum.Type: GrantFiled: April 5, 2004Date of Patent: March 28, 2006Assignee: Dürr Systems, Inc.Inventor: Donald McAnespie
-
Patent number: 6905535Abstract: A gas separation system for separating a feed gas mixture into a first gas component and a second gas component comprises a stator, and a rotor rotatably coupled to the stator. The stator includes a first stator valve face, a second stator valve surface, and a plurality of function compartments opening into the stator valve surfaces. The rotor includes a first rotor valve surface in communication with the first stator valve surface, and a second rotor valve surface in communication with the second stator valve surface. The rotor also includes a plurality of rotor flow paths for receiving gas adsorbent material therein for preferentially adsorbing the first gas component in response to increasing pressure in the rotor flow paths in comparison to the second gas component. Each rotor flow path includes a pair of opposite ends opening into the rotor valve faces for communication with the function compartments.Type: GrantFiled: June 22, 2001Date of Patent: June 14, 2005Assignee: QuestAir Technologies Inc.Inventors: Bowie G. Keefer, Kevin A. Kaupert
-
Patent number: 6902602Abstract: The present disclosure relates to systems and processes for adsorptive gas separations where a first gas mixture including components A and B is to be separated so that a first product of the separation is enriched in component A, while component B is mixed with a third gas component C contained in a displacement purge stream to form a second gas mixture including components B and C, and with provision to prevent cross contamination of component C into the first product containing component A, or of component A into the second gas mixture containing component C. The invention may be applied to hydrogen (component A) enrichment from syngas mixtures, where dilute carbon dioxide (component B) is to be rejected such as directly to the atmosphere, and with preferably nitrogen-enriched air as the displacement purge stream containing residual oxygen (component C).Type: GrantFiled: March 14, 2003Date of Patent: June 7, 2005Assignee: QuestAir Technologies Inc.Inventors: Bowie G. Keefer, Matthew L. Babicki, Andre Jason Joseph Boulet, Aaron M. Pelman, Brian G. Sellars, Surajit Roy
-
Publication number: 20040261618Abstract: Disclosed embodiments address contaminant management challenges that arise during production of desirably contaminant free product fluid in the operation of PSA equipment, and further address the more serious challenges that arise under intermittent operation of PSA equipment. One disclosed embodiment of a PSA apparatus, intended primarily for normal operating cycle speeds of at least 3 cycles per minute, includes a breather fluidly coupled to a feed end of an adsorber with a contaminant-sensitive adsorbent. The breather can be coupled to the feed end through a shutoff valve closed during production and open during shutdown. Other disclosed embodiments of the PSA apparatus used particular sealing strategies for additional sealing of the apparatus, or at least components thereof, from contaminant ingress.Type: ApplicationFiled: May 20, 2004Publication date: December 30, 2004Applicants: QuestAir Technologies Inc., The BOC Group, Inc.Inventors: Matthew L. Babicki, Bowie G. Keefer, Andrea C. Gibbs, Alberto I. laCava, Frank Fitch
-
Patent number: 6802970Abstract: A fluid-treating device containing a distributing device having a revolving disc in a stationary housing, and a motor for rotating the disc. Feed and discharge pipes are connected to an end wall of the housing and open onto the revolving disc. Stationary vessels are connected to the housing via connecting pipes. The revolving disc includes a plurality of passageways that open on the outer side of the disc. For a number of positions of the disc, the passageways are each connected to one of the connecting pipes, while feed and discharge pipes open via ring-like ducts into different passageways.Type: GrantFiled: February 28, 2003Date of Patent: October 12, 2004Assignee: Puritech Besloten Vennootschap met beperkte aansprakelijkheidInventor: Filip Rochette
-
Publication number: 20040020359Abstract: A vehicular atmosphere cleansing system utilizes a regenerative wheel having flow channels extending through the wheel coated with an adsorbant. An atmosphere stream passes through a first position dependent portion of the wheel where VOC's including HC's are adsorbed while a heated atmosphere stream passes through a second position dependent regenerative portion of the wheel whereat VOC's are desorbed. The adsorbant is activated carbon having particles of micropore size adhered to the substrate by a silicone binder producing high adsorption efficiencies while withstanding relatively high regenerative heat temperatures resulting from exhaust gas sensible heat. A hydrocarbon senses HC in the desorbed heated atmosphere stream to rotatively and sequentially index pie shaped, segmented portions of the wheel into the wheel's regenerative region while also functioning as the main component of an OBD device for the system.Type: ApplicationFiled: July 8, 2003Publication date: February 5, 2004Applicant: ENGELHARD CORPORATIONInventors: Gerald S. Koermer, Jeffrey B. Hoke, Ronald M. Heck, Terence C. Poles, Edward T. Wolynic
-
Publication number: 20040011198Abstract: The present disclosure relates to systems and processes for adsorptive gas separations where a first gas mixture including components A and B is to be separated so that a first product of the separation is enriched in component A, while component B is mixed with a third gas component C contained in a displacement purge stream to form a second gas mixture including components B and C, and with provision to prevent cross contamination of component C into the first product containing component A, or of component A into the second gas mixture containing component C. The invention may be applied to hydrogen (component A) enrichment from syngas mixtures, where dilute carbon dioxide (component B) is to be rejected such as directly to the atmosphere, and with preferably nitrogen-enriched air as the displacement purge stream containing residual oxygen (component C).Type: ApplicationFiled: March 14, 2003Publication date: January 22, 2004Applicant: QuestAir Technologies, Inc.Inventors: Bowie G. Keefer, Matthew L. Babicki, Andre Jason Joseph Boulet, Aaron M. Pelman, Brian G. Sellars, Surajit Roy
-
Patent number: 6652628Abstract: Desiccants employed in dehumidifying moisturized air present within a water-damaged building are themselves dehumidified to liberate collected moisture through the use of ambient air drawn over and about a heat exchanger fired by diesel fuel.Type: GrantFiled: July 8, 2002Date of Patent: November 25, 2003Inventor: Spencer W. Hess
-
Publication number: 20030209142Abstract: In a method for removing carbon dioxide from the exhaust gas from a gas turbine plant (11), which exhaust gas is subjected to a downstream heat recovery process (12, 33), preferably in the heat recovery steam generator (33) of a water/steam cycle (12), a simplification of the plant engineering is achieved by the fact that the carbon dioxide is removed from the exhaust gas (39) between the gas turbine plant (11) and the heat recovery process (12, 33), and that a rotating, regenerative absorber/desorber (22) is used to remove the carbon dioxide, the absorber side of which absorber/desorber is connected into the exhaust gas stream (39) and the desorber side of which absorber/desorber is connected into a carbon dioxide cycle (38).Type: ApplicationFiled: April 10, 2003Publication date: November 13, 2003Inventors: Armin Schimkat, Juergen Baum
-
Patent number: RE38893Abstract: A novel method and apparatus to dehumidify air provides enhanced dehumidification efficiency over conventional dehumidification apparatuses. A reusable dehumidification element disk provides a disk section to strip water from an air stream. The disk is rotated so that the saturated disk section enters a separate chamber where the water can be stripped from the disk with a stream of regeneration air. The regeneration air stream is recycled and is not split from or mixed with the air stream requiring dehumidification. The result is a more efficient dehumidification than in appara- tuses which require the influent air stream to be divided into separate streams for dehumidification and regeneration functions.Type: GrantFiled: May 21, 2003Date of Patent: November 29, 2005Assignee: Kankyo Co., Ltd.Inventor: Yasuyuki Fujimura