Patents Examined by Ives Wu
  • Patent number: 8449652
    Abstract: Polymerizable ionic liquid monomers and their corresponding polymers (poly(ionic liquid)s) are created and found to exhibit high CO2 sorption. The poly(ionic liquid)s have enhanced and reproducible CO2 sorption capacities and sorption/desorption rates relative to room-temperature ionic liquids. Furthermore, these materials exhibit selectivity relative to other gases such as nitrogen, methane, and oxygen. They are useful as efficient separation agents, such sorbents and membranes. Novel radical and condensation polymerization approaches are used in the preparation of the poly(ionic liquids).
    Type: Grant
    Filed: August 5, 2005
    Date of Patent: May 28, 2013
    Assignee: University of Wyoming
    Inventors: Maciej Radosz, Youqing Shen
  • Patent number: 8440007
    Abstract: An air filtration system is described for removing oil and grease entrained in air extracted from the region above a cooker. The system comprises a first mesh screen filter leading to a first chamber, in which two nozzles 10 create two separate continuous water curtains 15a, 15b which overlap when viewed in the direction of the air flow to form a combined curtain extending across the region through which the air passes. The extracted air then passes via a second mesh screen filter 11 into a second chamber 12, identical to the first chamber 9, in which two further nozzles 13 are provided which create two further water curtains 15c, 15d. The water curtains 15a, 15b, 15c, 15d cool and condense vaporized oil and grease within the air, which condensed oil and grease droplets fall with the water into a container. The main bore of each nozzle is of circular cross-section, but a profiled plate causes the resulting water curtain to have a width which is narrow relative to the diameter of the nozzle bore.
    Type: Grant
    Filed: March 23, 2009
    Date of Patent: May 14, 2013
    Assignee: Sideland Engineering Limited
    Inventors: Neil Antony Verner, Philip John Prosser
  • Patent number: 8430947
    Abstract: A method of introducing flue gas, from a flue stack in a steam-assisted production facility, into a heat exchanger. The flue gas comprises boiler combustion products selected from at least one of commercial pipeline gas and produced gas. The method begins by cooling a portion of the water vapor in the flue gas in the heat exchanger to produce flue gas water. This flue gas water is then collected and removed as make-up water.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: April 30, 2013
    Assignee: ConocoPhillips Company
    Inventors: Edward G. Latimer, Christopher R. Copeland, Ryan K. Davis, James Scinta, Dale L. Embry, David C. Lamont, Charles J. Murray, Ryan D. Donahe
  • Patent number: 8430948
    Abstract: The present invention relates to a condensation and washing device with which in particular the process vapors which occur during the production of polylactide can be processed and cleaned. Furthermore, the present invention relates to a polymerization device for the production of polylactide and also to a method for processing process vapors which occur during the production of polylactide; possibilities for use of both the condensation and washing devices and of the method are likewise mentioned.
    Type: Grant
    Filed: August 5, 2008
    Date of Patent: April 30, 2013
    Assignee: Uhde Inventa-Fischer GmbH
    Inventors: Rainer Hagen, Udo Muhlbauer
  • Patent number: 8425655
    Abstract: The present invention provides a gas pressurized separation system to strip a product gas from a liquid stream and yield a high pressure gaseous effluent containing the product gas. The system comprises a gas pressurized stripping apparatus, such as a column, with at least one first inlet allowing flow of one or more liquid streams in a first direction and at least one second inlet allowing flow of one or more high pressure gas streams in a second direction, to strip the product gas into the high pressure gas stream and yield through at least one outlet a high pressure gaseous effluent containing the product gas; and two or more heat supplying apparatuses provided at different locations along the column. Processes for separating a product gas from a gaseous mixture to yield a high pressure gaseous effluent containing the product gas, utilize the gas pressurized separation system described above.
    Type: Grant
    Filed: July 9, 2010
    Date of Patent: April 23, 2013
    Assignee: Carbon Capture Scientific, LLC
    Inventors: Shiaoguo Chen, Zijiang Pan
  • Patent number: 8425733
    Abstract: Method for dewatering a mixture of mostly ethanol and water which is split into a first partial feed flow (3) that is directed to a distillation column (32) as a reflux flow while a second partial feed flow (4) is directed to an evaporator unit (31) as an evaporator inlet flow and leaves the top of the evaporator unit as an evaporator outlet flow (6). A top discharge flow (7) from distillation column (32) is returned and combined with the evaporator outlet flow (6) to a combined flow (8) at an overpressure and which in a compressor unit (33) is compressed to a combined, compressed flow (10) which enters a dewatering unit (34) in which it is split into a water-rich permeate flow (14) and a retentate flow (11) in the form of substantially water free ethanol.
    Type: Grant
    Filed: October 9, 2008
    Date of Patent: April 23, 2013
    Assignee: Epcon Energy and Process Control AS
    Inventors: Geir Halvorsen, Kjetil Evenmo, Carl Ivar Gotaas
  • Patent number: 8425665
    Abstract: A fluid scrubber in the form of a submerged gas reactor includes a reaction vessel, a gas delivery lube partially disposed within the reaction vessel to deliver a gas into the reaction vessel and a scrubbing liquid inlet that provides a scrubbing liquid to the reaction vessel at a rate sufficient to maintain a controlled, constant level of fluid within the reaction vessel. A weir is disposed within the reaction vessel adjacent the gas delivery tube to form a first fluid circulation path between a first weir end and a wall of the reaction vessel and a second fluid circulation path between a second weir end and an upper end of the reaction vessel. During operation, gas introduced through the tube mixes with the scrubbing liquid and the combined gas and liquid flow at a high rate with a high degree of turbulence along the first and second, circulation paths defined around the weir, thereby promoting vigorous mixing and intimate contact between the gas and the scrubbing liquid.
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: April 23, 2013
    Assignee: Heartland Technology Partners, LLC
    Inventors: Bernard F. Duesel, Jr., Michael J. Rutsch
  • Patent number: 8425664
    Abstract: Petroleous production is associated with effluents well known to foul lines, nozzles, and containers while consuming substantial energy to assist in both production and remediation. A heat exchanger and manifold system maximizes flows, minimizes changes in flow cross-section, and maximizes heat transfer area, while recycling both water and heat between processes. Dirty regions and clean regions result from scrubbing horizontal exhaust stacks and evaporation of production water in concert to remediate one another, while recycling a significant portion of the energy consumed by each. The heat exchanger relies on a manifold having many layered conduits, each connected to a single layer level of one or more cylindrical conduits in the exchanger. The cylinders of the exchanger themselves are arranged in multiple layers, each layer of a heat exchanger element being connected to a single layer of the manifold.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: April 23, 2013
    Assignee: Purestream Technology, LLC
    Inventors: J. Clair Batty, David A. Bell, Craig E. Cox
  • Patent number: 8419817
    Abstract: The present invention is a filter that includes a length of filter media and a continuous, substantially nonlinear adhesive strand. The filter media has a front face and a rear face. The filter media has a plurality of pleats defined by a plurality of fold lines, each fold line being intermediate oppositely sloping first and second wall surfaces. The plurality of fold lines comprise a first plurality of pleat tips and a second plurality of pleat valleys. The adhesive strand is provided on the front face of the filter media in discontinuous contact with the filter media. The adhesive strand contacts the filter media at a pleat tip and contacts the filter media at a portion of a first wall surface and contacts the filter media at a portion of a second wall surface.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: April 16, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Douglas C. Sundet, Dean R. Duffy, Donald E. Young, Lowell E. Christensen
  • Patent number: 8414744
    Abstract: The present invention relates to a continuous process for preparing racemic or optically active menthol in pure or enriched form by distillatively separating menthol from substance mixtures which comprise essentially menthol and diastereomers thereof. This distillatiive separation is performed in a dividing wall column with 50 to 300 theoretical plates and one or more side draw points at an absolute operating pressure of 5 to 500 mbar.
    Type: Grant
    Filed: July 23, 2008
    Date of Patent: April 9, 2013
    Assignee: BASF SE
    Inventors: Gunnar Heydrich, Gabriele Gralla, Klaus Ebel, Wolfgang Krause, Nawid Kashani-Shirazi
  • Patent number: 8409512
    Abstract: Methods and apparatuses are described for contacting an oxidizing solution such as an aqueous hydrogen peroxide composition of hydrogen peroxide and at least one additive that catalyzes the decomposition of the hydrogen peroxide into hydroxyl radicals with an atmospheric effluent containing odorous and/or noxious components. These components are absorbed by the aqueous hydrogen peroxide composition to produce an atmospheric effluent having reduced amounts of the odorous and/or noxious components. Various methods are described for adding the hydrogen peroxide and the decomposition additive.
    Type: Grant
    Filed: September 24, 2010
    Date of Patent: April 2, 2013
    Assignee: Steen Research, LLC
    Inventors: Stephen R. Temple, Michael J. Stoltz
  • Patent number: 8409339
    Abstract: 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 the regeneration tower where lean solution is produced from the rich solution by removing CO2. A regeneration heater heats lean solution that accumulates near a bottom portion of the regeneration tower with saturated steam thereby producing steam condensate from the saturated steam. A steam-condensate heat exchanger heats the rich solution conveyed from the absorption tower to the regeneration tower with the steam condensate.
    Type: Grant
    Filed: January 25, 2011
    Date of Patent: April 2, 2013
    Assignees: Mitsubishi Heavy Industries, Ltd., Kansai Electric Power Co., Inc.
    Inventors: Masaki Iijima, Takashi Kamijo, Takahito Yonekawa, Tomio Mimura, Yasuyuki Yagi
  • Patent number: 8404086
    Abstract: Effect separation of a composition of matter that includes at least two seed or plant oil derivatives into at least one desired product stream using at least two separation operations, which are independently selected from among several potential separation operations, in conjunction with at least one recycle stream from a separation operation.
    Type: Grant
    Filed: June 20, 2008
    Date of Patent: March 26, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: George J. Frycek, Shawn D. Feist, Timothy C. Frank, Zenon Lysenko, Joe D. Phillips, Bruce W. Pynnonen
  • Patent number: 8404033
    Abstract: A gas scrubber is presented. The gas scrubber comprises a nozzle that atomizes a liquid to form droplets. The droplets are preferably expelled from the nozzle in substantially a hollow cone spray pattern with a velocity of at least 4000 feet per minute. A stream of gas containing particulates that requires scrubbing interacts with the droplets. After the interaction, the gas-droplet combination impinges on a target. Preferred targets include droplets from a second nozzle, a ducting surface, or a throated passage.
    Type: Grant
    Filed: February 5, 2008
    Date of Patent: March 26, 2013
    Inventors: Richard S. Crews, John S. Crews
  • Patent number: 8398928
    Abstract: An ultraviolet treatment chamber for treating exhaust streams, particularly those containing organic particulates, utilizes ultraviolet light energy very efficiently. This is done by setting up a circulating flow in a treatment plenum so that all of the effluent experiences a substantially uniform residence time without the need for baffles or other flow controllers that would block the ultraviolet light.
    Type: Grant
    Filed: April 14, 2011
    Date of Patent: March 19, 2013
    Assignee: Oy Halton Group Ltd.
    Inventors: Rick A. Bagwell, Darrin W. Beardslee, Derek W. Schrock, Andrey V. Livchak
  • Patent number: 8398917
    Abstract: A method for reducing biological contamination of indoor air, which method includes providing a concentrated salt solution, which is either (i) a brine capable of responding to aeration thereof by a rapid increase of its Redox potential, wherein the rate of said increase is greater than the rate of increase observed for a 45% (w/w) calcium chloride solution subjected to identical aeration conditions; or (ii) a brine which is passed through an electrolytic cell in order to raise its Redox potential; circulating said concentrated salt solution through a treatment zone; causing a stream of biologically contaminated air to flow through said treatment zone, such that said contaminated air is contacted with said salt solution in said treatment zone; and withdrawing purified air from said treatment zone.
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: March 19, 2013
    Assignee: Megair Ltd.
    Inventors: Ron Itzhak, David Itzhak
  • Patent number: 8398748
    Abstract: Contemplated configurations and methods include a solvent regenerator (58) that has an upper (93) and a lower stripping section (94). Cooled rich solve is used as reflux while heated rich solvent (11) is used as a source of stripping agent in the upper section (91). A reboiler (62) in the lower section provides further stripping agent, hi especially preferred configurations, a portion of lean solved from the regenerator (58) is further stripped in a separate or integrated regenerator (62) to form an ultra-lean solvent. Both lean and ultra-lean solvents are preferably used in a two-stage absorber (52) to thereby from the rich solvent and an offgas that is very low in acid gas.
    Type: Grant
    Filed: April 18, 2006
    Date of Patent: March 19, 2013
    Assignee: Fluor Technologies Corporation
    Inventor: John Mak
  • Patent number: 8398749
    Abstract: A process for the recovery of carbon dioxide, which includes: (a) an absorption step of bringing a carbon dioxide-containing gaseous feed stream into gas-liquid contact with an absorbing fluid, whereby at least a portion of the carbon dioxide present in the gaseous stream is absorbed into the absorbing fluid to produce (i) a refined gaseous stream having a reduced carbon dioxide content and (ii) an carbon dioxide-rich absorbing fluid; and (b) a regeneration step of treating the carbon dioxide-rich absorbing fluid at a pressure of greater than 3 bar (absolute pressure) so as to liberate carbon dioxide and regenerate a carbon dioxide-lean absorbing fluid which is recycled for use in the absorption step, in which the absorbing fluid is an aqueous amine solution containing a tertiary aliphatic alkanol amine and an effective amount of a carbon dioxide absorption promoter, the tertiary aliphatic alkanol amine showing little decomposition under specified conditions of temperature and pressure under co-existence with
    Type: Grant
    Filed: December 12, 2006
    Date of Patent: March 19, 2013
    Assignee: BASF SE
    Inventors: Ute Lichtfers, Norbert Asprion, Mark Claessen, Hiroshi Umino, Koji Tanaka
  • Patent number: 8394179
    Abstract: A method is described for treating a gas stream containing a flammable gas, such as hydrogen or a hydrocarbon gas. The gas stream is conveyed to a liquid ring pump (18), to which a gaseous oxidant and water are supplied. The water and the gas stream are discharged from the pump (18), with the discharged gas stream being subsequently separated from the liquid, and conveyed to a pyrolysis device (42) for pyrolysing the flammable gas and the oxidant. Any particulates and acidic species within the gas stream are retained by the water within the liquid ring pump to inhibit corrosion or blockage of the pyrolysis device (42). A filter or other device (40) may be provided to remove water from the gas stream before it enters the pyrolysis device (42).
    Type: Grant
    Filed: January 23, 2008
    Date of Patent: March 12, 2013
    Assignee: Edwards Limited
    Inventors: James Robert Smith, Gary Peter Knight
  • Patent number: 8387545
    Abstract: A method for introducing flue gas in a steam-assisted production facility into a vapor-liquid contactor. In this method the flue gas comprises boiler combustion products selected from at least one of commercial pipeline natural gas and produced gas. The flue gas is cooled with the vapor-liquid contactor to condense a portion of the water vapor in the flue gas to produce a water stream. The water stream is then recirculated and cooled in an air cooler to produce recirculating water exiting the bottom of the vapor-liquid contactor. A water slipstream is then taken off the recirculating water to be used as make-up water.
    Type: Grant
    Filed: July 15, 2010
    Date of Patent: March 5, 2013
    Assignee: ConocoPhillips Company
    Inventors: Edward G. Latimer, Christopher R. Copeland, Ryan K. Davis, James Scinta, Dale L. Embry, David C. Lamont, Charles J. Murray, Ryan D. Donahe