Plural Chemical Reaction Stages Patents (Class 422/170)
  • Publication number: 20130336867
    Abstract: In one embodiment, a carbon dioxide capturing system includes an absorption tower to bring a gas containing carbon dioxide into contact with an absorbing liquid to discharge the absorbing liquid which has absorbed the carbon dioxide and discharge the gas whose carbon dioxide concentration is reduced. The system includes a regeneration tower to release the carbon dioxide from the absorbing liquid to discharge the absorbing liquid whose carbon dioxide concentration is reduced and discharge a gas containing the carbon dioxide. The system includes a first absorbing liquid component washing apparatus to cool the gas which is discharged from the absorption or regeneration tower and has passed through an absorption or regeneration tower condenser to condense or sublime an absorbing liquid component in the gas and remove a liquid or solid product generated by the condensation or sublimation of the absorbing liquid component by using a washing liquid.
    Type: Application
    Filed: May 24, 2013
    Publication date: December 19, 2013
    Applicants: Toshiba Plant Systems & Services Corporation, Kabushiki Kaisha Toshiba
    Inventors: Masatoshi HODOTSUKA, Mitsuru UDATSU, Satoshi SAITO, Satoru KASHIMOTO
  • Patent number: 8608835
    Abstract: An exhaust gas purification system for an internal combustion engine of a motor vehicle is provided. The system includes a first particulate filter element and a second particulate filter element, which is connected downstream of the first particulate filter element and through which flows the exhaust gas that emanates from the first particulate filter element. The first particulate filter element operates as a system filter and the second particulate filter element operates as a diagnostic filter. A charge of the diagnostic filter can be determined, and the functional capability of the system filter can be deduced based thereon.
    Type: Grant
    Filed: September 18, 2007
    Date of Patent: December 17, 2013
    Assignee: Daimler AG
    Inventor: Michael-Rainer Busch
  • Patent number: 8607553
    Abstract: An exhaust system for use with an engine is disclosed. The exhaust system may have a first treatment device configured to receive a flow of exhaust from the engine and convert a first constituent of the exhaust to a second constituent. The exhaust system may also have a second treatment device located downstream of the first treatment device and configured to reduce the first constituent and the second constituent. The exhaust system may further have a flow regulator configured to selectively vary a rate of exhaust passing through the first treatment device, and a controller configured to operate the flow regulator such that a desired amount of the first constituent and the second constituent is received by the second treatment device.
    Type: Grant
    Filed: February 15, 2008
    Date of Patent: December 17, 2013
    Assignee: Caterpillar Inc.
    Inventors: Kerry A. Delvecchio, Delbert Kramer, Richard W. Kruiswyk, Wade J. Robel, Hafiz Anees
  • Patent number: 8608819
    Abstract: A filter device for filtering gaseous fluids has a spiral-shaped wound filter path having parallel flow channels for the fluid. The flow channels end in a wound state at an axial face of the filter element at axially different positions. At the second, opposite axial face, the filter element has a geometry deviating from that of the first face.
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: December 17, 2013
    Assignee: Mann+Hummel GmbH
    Inventors: Ankur Patel, Cedric Daekam
  • Patent number: 8608820
    Abstract: A filter for filtering particulate matter (PM) from exhaust gas emitted from a compression ignition engine, which filter comprising a porous substrate having inlet surfaces and outlet surfaces, wherein the inlet surfaces are separated from the outlet surfaces by a porous structure containing pores of a first mean pore size, wherein the porous substrate is coated with a wash coat comprising a plurality of solid particles comprising a molecular sieve promoted with at least one metal wherein the porous structure of the wash coated porous substrate contains pores of a second mean pore size, and wherein the second mean pore size is less than the first mean pore size.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: December 17, 2013
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Louise Arnold, Robert Brisley, Guy Richard Chandler, Andrew Francis Chiffey, Keith Anthony Flanagan, David Greenwell, Christopher Morgan
  • Publication number: 20130330237
    Abstract: An aftertreatment subsystem includes first and second mounting interfaces, a fluid inlet and fluid outlet interface, and aftertreatment components, each having a central axis and axial extent. The central axes for the aftertreatment components are substantially parallel. End caps define fluid chambers that fluidly couple upstream aftertreatment component outlets with downstream aftertreatment components inlets. The end caps are positioned at a first or second end of the aftertreatment components. A first bracket joins the aftertreatment components at an axial position closer to the first end than to a center of the axial extent of any of the aftertreatment components and a second bracket joins the aftertreatment components at an axial position closer to the second end than to the center of the axial extent of any of the aftertreatment components. The first mounting interface is on the first bracket, and the second mounting interface is on the second bracket.
    Type: Application
    Filed: April 24, 2013
    Publication date: December 12, 2013
    Inventor: Cummins Emission Solutions Inc.
  • Publication number: 20130330259
    Abstract: A filter for filtering particulate matter (PM) from exhaust gas emitted from a positive ignition engine or a compression ignition engine, which filter comprising a porous substrate having inlet surfaces and outlet surfaces, wherein the inlet surfaces are separated from the outlet surfaces by a porous structure containing pores of a first mean pore size, wherein the porous substrate is coated with a washcoat comprising a plurality of solid particles wherein the porous structure of the washcoated porous substrate contains pores of a second mean pore size, and wherein the second mean pore size is less than the first mean pore size.
    Type: Application
    Filed: August 19, 2013
    Publication date: December 12, 2013
    Applicant: Johnson Matthey Public Limited Company
    Inventors: LOUISE CLARE ARNOLD, ROBERT JAMES BRISLEY, CHRISTOPHER GOUGH MORGAN
  • Patent number: 8601802
    Abstract: An exhaust gas purifying device is provided with an exhaust manifold having a collecting section, and a catalytic converter provided downstream of the exhaust manifold. The catalytic converter has upstream and downstream catalysts. The upstream catalyst includes a carrier, a first layer located on the carrier containing Pd, a second layer located on the first layer containing Rh, and a third layer located on the second layer containing Pd. The downstream catalyst includes a carrier, a first layer located on the carrier containing Pd, and a second layer located on the first layer containing Pt and Rh. The collecting section connects to the catalytic converter after passing, in order from the upstream side, through a flow regulating path and a neck section which is provided in the flow regulating path. The flow regulating path has a predetermined length and a width which is gradually reduced to the downstream side.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: December 10, 2013
    Assignee: Honda Motor Co., Ltd.
    Inventors: Yasuo Yamada, Kei Kuroki, Noritaka Sekiya
  • Patent number: 8603400
    Abstract: A series of binary and ternary Pt-alloys, that promote the important reactions for catalysis at an alloy surface; oxygen reduction, hydrogen oxidation, and hydrogen and oxygen evolution. The first two of these reactions are essential when applying the alloy for use in a PEMFC.
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: December 10, 2013
    Assignee: California Institute of Technology
    Inventors: Charles C. Hays, Sri R. Narayan
  • Publication number: 20130323146
    Abstract: A method of using a catalyst comprises exposing a catalyst to at least one reactant in a chemical process. The catalyst comprises copper and a small pore molecular sieve having a maximum ring size of eight tetrahedral atoms. The chemical process undergoes at least one period of exposure to a reducing atmosphere. The catalyst has an initial activity and the catalyst has a final activity after the at least one period of exposure to the reducing atmosphere. The final activity is within 30% of the initial activity at a temperature between 200 and 500° C.
    Type: Application
    Filed: August 5, 2013
    Publication date: December 5, 2013
    Inventors: PAUL JOSEPH ANDERSEN, HAI-YING CHEN, JOSEPH MICHAEL FEDEYKO, ERICH WEIGERT
  • Patent number: 8591846
    Abstract: A method and apparatus for processing a sour gas rich in carbon dioxide in a Claus process, so sulfur compounds are removed by a selective solvent in a gas scrubbing process. Sulfur components and carbon dioxide, are separated into at least two sour gas fractions, wherein at least one sour gas fraction having a higher content of sulfur components is obtained, wherein the fraction having the highest hydrogen sulfide content is introduced in the thermal reaction stage of the Claus furnace with a gas containing oxygen by means of a burner. The sulfur is converted to sulfur dioxide in the thermal reaction stage of the Claus furnace and exhaust gases are discharged into the closed Claus reaction chamber behind the burner. The remaining sour gas fractions stripped of sulfur components are fed to the Claus reaction chamber and are mixed with the combustion gases leaving the burner.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: November 26, 2013
    Assignee: Thyssenkrupp UHDE GmbH
    Inventor: Johannes Menzel
  • Patent number: 8591623
    Abstract: A method of manufacturing a honeycomb body is disclosed having the steps of mixing inorganic source materials, a nut shell pore former, and forming aids to form a plasticized batch, wherein the nut shell pore former has a particle size distribution with 20 ?m?dp50?70 ?m, and forming the plasticized batch into the honeycomb body having a plurality of channels formed by intersecting walls. Green honeycombs and porous ceramic honeycombs produced by the method are also disclosed.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: November 26, 2013
    Assignee: Corning Incorporated
    Inventors: Douglas Munroe Beall, David John Thompson
  • Patent number: 8591770
    Abstract: A process for producing a synthesis gas containing hydrogen and nitrogen, suitable for production of ammonia, wherein a raw synthesis gas (13) obtained by reforming of a natural gas feedstock is purified in a cryogenic separator (CS), and a portion of purified gas (16) is expanded and used as a cooling medium in the same separator, said expanded portion (16) being then re-introduced in the main stream of purified synthesis gas. A suitable apparatus and revamping of conventional plants according to the invention are also disclosed.
    Type: Grant
    Filed: June 9, 2009
    Date of Patent: November 26, 2013
    Assignee: Ammonia Casale SA
    Inventors: Ermanno Filippi, Geoffrey Frederick Skinner
  • Patent number: 8591614
    Abstract: A method of manufacturing an exhaust gas purifying apparatus includes providing an exhaust gas-treating body. A holding sealing material is provided. The holding sealing material includes inorganic fibers. The holding sealing material has a first end face and a second end face each provided approximately in parallel with a width direction. The holding sealing material is wound around a periphery of the exhaust gas-treating body to form a gap between the first end face and the second end face. The exhaust gas-treating body with the holding sealing material is housed in a casing. At least one of a first electrode member and a first sensor is disposed at the gap of the holding sealing material so that at least one of the first electrode member and the first sensor is connected to the exhaust gas-treating body, passes through the holding sealing material, and penetrates the casing.
    Type: Grant
    Filed: January 18, 2012
    Date of Patent: November 26, 2013
    Assignee: Ibiden Co., Ltd.
    Inventors: Hisashi Ando, Takahiko Okabe
  • Publication number: 20130309142
    Abstract: An exhaust-gas cleaning device for an internal combustion engine has a catalytic converter arrangement. The catalytic converter arrangement includes, along the flow direction, a plurality of catalytically active regions which are, in particular, independent of one another. A heat dissipation device includes a heat absorbing device and one heat sink. The heat absorbing device is provided between at least two catalytically active regions. The heat absorbing device is connected to the heat sink. The exhaust-gas cleaning device includes a plurality of catalytic converter arrangements, an, in particular tubular, inner housing with a housing cover, and an outer housing which encloses the inner housing. The inner housing has a longitudinal axis, and the catalytic converter arrangements are arranged separately from one another on the housing cover of the inner housing.
    Type: Application
    Filed: July 25, 2013
    Publication date: November 21, 2013
    Applicant: GE Jenbacher GmbH & Co OG
    Inventor: Friedrich GRUBER
  • Patent number: 8585795
    Abstract: In accordance with the invention there are devices and processes for making ceramic nanofiber mats and ceramic filters for use in high temperature and in corrosive environments. The process for forming a ceramic filter can include electrospinning a preceramic polymer solution into a preceramic polymer fiber having a diameter from about 10 nm to about 1 micron and forming a preceramic polymer fiber web from the preceramic polymer fiber onto a collector. The process can also include pyrolyzing the preceramic polymer fiber web to form a ceramic nanofiber mat having a diameter less than the diameter of the preceramic polymer fiber, the ceramic nanofiber mat comprising one or more of an oxide ceramic and a non-oxide ceramic such that the ceramic fiber mat can withstand temperature greater than about 1000 ° C.
    Type: Grant
    Filed: March 12, 2008
    Date of Patent: November 19, 2013
    Assignee: Univesity of Florida Research Foundation, Inc.
    Inventors: Wolfgang M. Sigmund, Vasana Maneeratana, Paolo Colombo, Chang-Yu Wu, Hyoungjun Park, Qi Zhang
  • Publication number: 20130302214
    Abstract: The present invention relates to a diesel particle filter which has a coating active in oxidation catalysis and which is characterized in that said diesel particle filter comprises a material zone which removes platinum traces contained in the exhaust-gas flow, and to the use of said diesel particle filter in the purification of exhaust gases of diesel engines.
    Type: Application
    Filed: April 17, 2013
    Publication date: November 14, 2013
    Applicant: Umicore AG & Co. KG
    Inventor: Umicore AG & Co. KG
  • Patent number: 8580009
    Abstract: There is provide a honeycomb filter which can suppress generation of cracks in plugged portions due to heat generated by burning of a PM during regeneration and comprises a honeycomb basal body including porous partition walls arranged to form a plurality of cells disposed in parallel with one another and including inflow cells and outflow cells which are formed adjacent to the inflow cells; first plugged portions with which one end of each of the inflow cells is plugged; second plugged portions with which another end of each of the outflow cells is plugged; porous collecting layers formed on the inflow-cells side surfaces of the partition walls; and end aggregate layers made of a particulate aggregate material and formed on the inflow-cells-side surfaces of the first plugged portions, and a thickness of the end aggregate layers is from 0.5 to 5 mm.
    Type: Grant
    Filed: March 9, 2011
    Date of Patent: November 12, 2013
    Assignee: NGK Insulators, Ltd.
    Inventors: Takuya Hiramatsu, Fumiharu Sato
  • Patent number: 8574335
    Abstract: A holding sealing material includes inorganic fibers, a mat shape, a first end face and a second end face and a penetration portion. The mat shape has a width direction, a length direction and a thickness direction. The first end face and the second end face are each provided approximately in parallel with the width direction. The penetration portion penetrates the holding sealing material in the thickness direction.
    Type: Grant
    Filed: January 17, 2012
    Date of Patent: November 5, 2013
    Assignee: Ibiden Co., Ltd.
    Inventors: Hisashi Ando, Takahiko Okabe
  • Patent number: 8574334
    Abstract: A mat includes inorganic fibrous substances, first and second main faces, first and second side faces and intertwined portions. The intertwined portions respectively extend from needle piercing points of the first main face to needle piercing points of the second main face. A first virtual straight line and each of second virtual straight lines intersect with each other at a first angle of less than about 90° when viewed from the first side face to the second side face. The first virtual straight line and each of third virtual straight lines intersect with each other at a second angle of more than about 90° when viewed from the first side face to the second side face. The second virtual straight lines and the third virtual straight lines intersect with each other at a third angle when viewed from the first side face to the second side face.
    Type: Grant
    Filed: September 28, 2011
    Date of Patent: November 5, 2013
    Assignee: Ibiden Co., Ltd.
    Inventor: Ryoji Uno
  • Publication number: 20130287640
    Abstract: A base metal exhaust gas control apparatus for an internal combustion engine includes a basic structure having a first-stage base metal catalyst that oxidizes HC and CO, and a second-stage base metal catalyst that reduces NOx. The first-stage base metal catalyst oxidizes HC more efficiently than it oxidizes CO.
    Type: Application
    Filed: January 12, 2012
    Publication date: October 31, 2013
    Inventors: Masao Watanabe, Shigeharu Takagai, Akira Morikawa, Takuto Hirose
  • Publication number: 20130287658
    Abstract: A NOx trap composition, and its use in an exhaust system for internal combustion engines, is disclosed. NOx trap composition comprises a platinum group metal, barium, cobalt, and a magnesia-alumina support. The NOx trap composition is less prone to storage deactivation and exhibits reduced N2O formation.
    Type: Application
    Filed: April 26, 2012
    Publication date: October 31, 2013
    Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
    Inventor: FIONA-MAIREAD McKENNA
  • Patent number: 8568673
    Abstract: A gas analysis device according to the present invention includes a flue-gas extraction pipe for extracting flue gas from a flue gas duct to which flue gas including both of NH4Cl and SO3 is fed, a collector that is provided in the flue-gas extraction pipe, for removing soot dust contained in the extracted flue gas, a roll filter that is provided in the flue-gas extraction pipe, for depositing both of NH4Cl and SO3 contained in the flue gas, and a measurement device for measuring both of NH4Cl and SO3 contained in the flue gas by irradiating a sample including both of NH4Cl and SO3 deposited by the roll filter with X-rays and detecting fluorescent X-rays generated from the sample.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: October 29, 2013
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Seiji Kagawa, Masaru Chiyomaru, Nobuyuki Ukai, Takuya Okamoto, Moritoshi Murakami
  • Publication number: 20130280154
    Abstract: The present invention discloses an apparatus and method for treating perfluoro-compounds (PFCs). The method for treating PFCs includes: (a) decomposing PFCs and eliminating a first acid gas generated by the decomposition through a pre-cleaner; (b) filtering out dust particles from the exhaust gas through a filter; (c) electrifying the dust particles in the exhaust gas by electrical discharge and collecting dusts through a dust collector; (d) decomposing PFCs using a regenerative/catalytic reaction through a catalytic reactor; (e) eliminating a second acid gas generated by the regenerative/catalytic reaction through a post-cleaner; and (f) letting the purified exhaust gas out through a fan.
    Type: Application
    Filed: December 24, 2012
    Publication date: October 24, 2013
    Applicant: Global Standard Technology Co., Ltd.
    Inventors: Jong Kook Chung, Myung Ki Chae, Jae Doo Jeon, Jong Chul Kim
  • Patent number: 8561396
    Abstract: An exhaust gas purification apparatus including a first exhaust gas treatment member carrying an oxidation catalyst, a three-way catalyst, or a NOx storage reduction catalyst which is used for purifying exhaust gas from an internal combustion engine, a second exhaust gas treatment member having a hydrocarbon (“HC”) storing function disposed on the downstream side of the first exhaust gas treatment member, and a heat dissipating unit disposed between the first exhaust gas treatment member and the second exhaust gas treatment member. An upstream side of the heat dissipating unit is formed into a heat insulating structure, and a further upstream side thereof is formed into a heat retaining structure. Even when an internal combustion engine is accelerating, the exhaust gas flowing into the HC adsorption material can be cooled efficiently and HC can be adsorbed before the temperature of the three-way catalyst or the NOx purification catalyst rises to an HC light-off temperature.
    Type: Grant
    Filed: June 5, 2009
    Date of Patent: October 22, 2013
    Assignee: Isuzu Motors Limited
    Inventors: Daiji Nagaoka, Teruo Nakada, Akihide Oogushi, Hiroyuki Yuza
  • Publication number: 20130272938
    Abstract: A method for performing an energy efficient desulphurization and decarbonisation of a flue gas comprising sulphur oxides and carbon dioxide includes (a) starting a reaction between an electropositive metal and the sulphur oxides and the carbon dioxide of said flue gas; (b) reducing the sulphur oxides and the carbon dioxide of said flue gas simultaneously in an exothermic reaction with an electropositive metal and thereby generating reduced gaseous carbon products and solid reaction products while cooling; (c) extracting the solid reaction products of the reducing step (a) in a solvent to generate a first suspension comprising suspended carbon containing reaction products and sulphur containing reaction products; (d) oxidizing the first suspension obtained in step (b) to generate a second suspension comprising suspended carbon containing reaction products and oxidized sulphur containing reaction products; and (e) separating the oxidized sulphur containing reaction products from the suspended carbon containing
    Type: Application
    Filed: April 17, 2012
    Publication date: October 17, 2013
    Inventors: Günter Schmid, Dan Taroata, Manfred Baldauf, Elena Arvanitis, Frank Walachowicz
  • Patent number: 8557203
    Abstract: A device is described which provides thermally durable NO2 generation in conjunction with efficient heat-up performance for filter regeneration, and low temperature HC (hydrocarbon) and CO activity. Importantly, it provides both functions while minimizing PGM (platinum group metals) utilization and its associated impact on catalyst cost.
    Type: Grant
    Filed: November 3, 2009
    Date of Patent: October 15, 2013
    Assignee: Umicore AG & Co. KG
    Inventors: Owen Herman Bailey, Matthew Hedgecock, Frank-Walter Schuetze, Anke Woerz
  • Patent number: 8557012
    Abstract: Fused particles having the following chemical composition, as a percentage by weight on the basis of the oxides: more than 15% but less than 55% of Al2O3; more than 25% but less than 60% of TiO2; less than 20%, in total, of at least one oxide of an element M1, chosen from MgO and CoO; more than 0.7% but less than 20%, in total, of at least one oxide of an element M2, chosen from the group formed by Fe2O3, Cr2O3, MnO2, La2O3, Y2O3 and Ga2O3; less than 20%, in total, of at least one oxide of an element M3, chosen from the group formed by ZrO2, Ce2O3 and HfO2; and less than 30% of SiO2. Ceramic product or material obtained by sintering said particles.
    Type: Grant
    Filed: July 27, 2010
    Date of Patent: October 15, 2013
    Assignee: Saint-Gobain Centre de Recherches Et d'Etudes Europeen
    Inventor: Stephane Raffy
  • Patent number: 8557010
    Abstract: Fused particles containing, by weight percent: more than 15% but less than 55% of Al2O3; more than 20% but less than 45% of TiO2; more than 3% but less than 30% of SiO2; less than 20%, in total, of at least one oxide selected from the group consisting of ZrO2, Ce2O3, and HfO2; less than 1% of MgO; and more than 1% but less than 15%, in total, of at least one selected from the group consisting of CaO, Na2O, K2O, SrO, B2O3, and BaO. Also, a ceramic product or material obtained by sintering the fused particles.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: October 15, 2013
    Assignee: Saint-Gobain Centre de Recherches et d'Etudes Europeen
    Inventor: Stephane Raffy
  • Patent number: 8557206
    Abstract: Methods and configurations are drawn to a plant in which an effluent gas (102) comprising oxygen and sulfur dioxide is catalytically reacted with hydrogen sulfiden (148) and hydrogen and/or carbon monoxide (114) to form a treated gas that is substantially oxygen free and in which sulfur dioxide is converted to hydrogen sulfide. In most preferred aspects, the hydrogen sulfide is provided to the process via a recycle loop (134B).
    Type: Grant
    Filed: April 22, 2004
    Date of Patent: October 15, 2013
    Assignee: Fluor Technologies Corporation
    Inventors: Thomas King Chow, Vincent Wai Wong
  • Patent number: 8557011
    Abstract: The invention relates to a honeycomb structure including a set of adjacent channels, each channel being in communication with upstream and downstream surfaces, respectively, via upstream and downstream openings, such that said set of channels forms cross-sectional upstream and downstream patterns on said upstream and downstream surfaces, respectively. According to the invention, at least one of the upstream and downstream surfaces has an error-proofing mark extending over fewer than 50 channels and making it impossible to completely stack any one of the upstream and downstream patterns onto the other, the outer perimeter of the upstream and/or downstream pattern being symmetrical or having an asymmetry that extends over fewer than 10 channels. The invention can be used in the filtration of particles contained it the exhaust gases of internal combustion engines, in particular diesel engines.
    Type: Grant
    Filed: July 9, 2010
    Date of Patent: October 15, 2013
    Assignee: General Electric Company
    Inventor: Bernard Bouteiller
  • Patent number: 8557009
    Abstract: A method of manufacturing a ceramic diesel particle filter (DPF) and a DPF manufactured by the method, the DPF having a ceramic filter body (1) including gas channels (18, 18?) with planar and porous filter segments (3), which are provided for the exhaust gas stream (2) to flow through them transversely to the face of the filter segments (3). The filter body (1) is formed by sintering at least one ceramic-impregnated fiber web (4) in a firing step under heat such that fibers (5) of the fiber material are burned off and the ceramic material (6) is sintered together to form the porous filter segment (3) between its two surfaces (7, 8). At least one fiber web (4) is corrugated to form the gas channels (18, 18?) and rolled up to form the filter body (1), and the cross section of at least a portion of the gas channels (18, 18?) changes from an inlet end (33) to a discharge end (34).
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: October 15, 2013
    Assignee: Mann+Hummel GmbH
    Inventors: Karin Gerlach, Stefan Tudyka, Jochen Linhart, Andreas Franz
  • Publication number: 20130259787
    Abstract: A system for reducing NOx in a flue gas stream, including an absorption element, a first inlet in fluid communication with the chamber configured to deliver a pressurized flue gas to the chamber, and a second inlet in fluid communication with the chamber configured to deliver an absorbing additive to the chamber. An outlet is in fluid communication with the chamber to exhaust from the chamber flue gas that has contacted the absorbing additive. A method for reducing NOx in a flue gas including the steps of: providing a flue gas in a chamber of an absorption element, providing an absorbing additive so that it contacts at least a portion of the flue gas, and exhausting at least a portion of the flue gas from the chamber.
    Type: Application
    Filed: March 13, 2013
    Publication date: October 3, 2013
    Applicant: ALSTOM TECHNOLOGY LTD.
    Inventors: Erik W. Boos, Lars Nilsson
  • Publication number: 20130259752
    Abstract: In an internal combustion engine, inside of an engine exhaust passage, a hydrocarbon feed valve (15) and an exhaust purification catalyst (13) are arranged. The exhaust purification catalyst (13) is comprised of an upstream-side catalyst (14a) and a downstream-side catalyst (14b) arranged in series at an interval from each other. The upstream-side catalyst (14b) has a smaller cross-sectional area than the downstream-side catalyst (14b). The concentration of hydrocarbons which flow into the upstream-side catalyst (14a) is made to vibrate by within a predetermined range of amplitude of a 200 ppm or more and within a predetermined range of period of 5 seconds or less, whereby the NOx which is contained in exhaust gas is reduced at the exhaust purification catalyst (13).
    Type: Application
    Filed: December 24, 2010
    Publication date: October 3, 2013
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kazuhiro Umemoto, Kohei Yoshida, Mikio Inoue
  • Publication number: 20130259780
    Abstract: A method and a system for controlling solvent emissions from a carbon capture unit includes passing solvent through a CO2 absorber and a flue gas effluent stream through the CO2 absorber and in a counter-current direction to the solvent passing through the CO2 absorber. Subsequently, a gas-phase effluent stream from the CO2 absorber is passed through an acid wash and the water wash to reduce an emission of solvent within a gas-phase effluent stream from the acid wash and a gas-phase effluent stream from the water wash. A control logic unit receives and processes a signal from a gas-phase analyzer and a pH sensor and passes a stream of acid wash and acid to the acid wash, and a stream of water wash to the water wash, via respective control valves.
    Type: Application
    Filed: March 30, 2012
    Publication date: October 3, 2013
    Applicant: ALSTOM TECHNOLOGY LTD
    Inventors: Nareshkumar Bernard Handagama, Barath Baburao, Jayesh Naik
  • Publication number: 20130259760
    Abstract: An exhaust system for a saddle-ride type vehicle that can make it hard for the heat of a catalyst body to be transmitted to an external plate of a muffler. A catalyst body is installed in a muffler. An exhaust system has a tubular case covering the outer circumferential surface of the catalyst body along from the exhaust gas inlet to outlet of the catalyst body. The catalyst body is secured at its inlet-side end portion to one end portion of the case and the catalyst body is supported at its outlet-side end portion by the other end portion of the case. The case is supported at its outer circumferential surface by the front end portion of the muffler.
    Type: Application
    Filed: February 15, 2013
    Publication date: October 3, 2013
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Atsushi KOBAYASHI, Takashi YAMAMOTO
  • Patent number: 8545782
    Abstract: A CO2 recovery apparatus includes a desulfurization tower which includes a desulfurization unit and a cooling unit, an absorption tower which includes a CO2 absorption unit and an acid washing unit, a regeneration tower, and an acid water production device configured to produce acid water by causing exhaust gas yet to be introduced into the desulfurization to come into contact with water. In the CO2 recovery apparatus, the water to be come in contact with the exhaust gas is condensed water that is generated in the desulfurization tower, the absorption tower, or the regeneration tower.
    Type: Grant
    Filed: October 16, 2012
    Date of Patent: October 1, 2013
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Tatsuya Tsujiuchi, Shintaro Honjo, Takahito Yonekawa, Satoru Sugita
  • Patent number: 8545793
    Abstract: A device for condensing, separating, and storing sulfur in a Claus plant. having a Claus furnace, waste heat boiler, and Claus reactor. Plant parts are supported on a floor or comparable device, and an immersion chamber is provided below the Claus plant and optionally also below a device arranged upstream for gas scrubbing. The immersion chamber receives the sulfur in a siphoning manner, wherein the excess sulfur flows at least 4.00 meters deeper from the immersion chamber into a ground-level container in which the immersion chamber is arranged. The invention further relates to a method, by means of which liquid sulfur is conducted into an immersion chamber, wherein the immersion chamber is arranged at a height level below the waste heat boiler and the Claus reactor so that the liquid sulfur reaches the immersion chamber without further pumping and overcomes a height difference of at least 4.00 meters.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: October 1, 2013
    Assignee: Thyssenkrupp UHDE GmbH
    Inventor: Holger Thielert
  • Patent number: 8540793
    Abstract: An exhaust processing device includes a main body tube portion and a closing tube portion. The main body tube portion includes an opening in an axial end thereof, houses a main body exhaust path in an inside thereof, which allows an exhaust gas to pass therethrough. The closing tube portion includes a plate portion and a tubular portion. The plate portion covers the opening of the axial end of the main body tube portion. The tubular portion radially outwardly protrudes from an outer peripheral surface of the main body tube portion, and is integrated with the plate portion. The tubular portion houses an exhaust path in an inside thereof, which communicates with the main body exhaust path. The tubular portion of the closing tube portion includes a first split half portion integrally molded with the plate portion, and a second split half portion joined to the first split half portion.
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: September 24, 2013
    Assignee: Komatsu Ltd.
    Inventors: Yuuki Kasaoka, Tatsushi Itou, Shouhei Nagasaka, Hirofumi Takanuki
  • Patent number: 8535405
    Abstract: The honeycomb structure is provided with a honeycomb structural section, a pair of lateral electrodes on the side face of the honeycomb structural section, and at least one intermediate layer between the honeycomb structural section and the lateral electrodes. The honeycomb structural section has silicon carbide particles having an average particle diameter of 3 to 40 ?m and silicon, and the ratio (Si/SiC) of silicon (Si) to silicon carbide (SiC) is 10/90 to 40/60. The lateral electrodes have an average particle diameter of the silicon carbide particles of 10 to 70 ?m and a Si/SiC ratio of 20/80 to 50/50. The intermediate layer has an average particle diameter of silicon carbide particles and Si/SiC between those of the honeycomb structural section and those of the lateral electrodes. The electric resistance between the lateral electrodes of the honeycomb structural section is 2 to 100?.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: September 17, 2013
    Assignee: NGK Insulators, Ltd.
    Inventors: Yasushi Noguchi, Atsushi Kaneda, Takayuki Inoue
  • Patent number: 8535626
    Abstract: An exhaust gas treatment apparatus according to the present invention generates post-mercury oxidation exhaust gas by denitrating exhaust gas of a combustion apparatus, generates desulfurization drainage by desulfurizing the post-mercury oxidation exhaust gas, supplies the desulfurization drainage to the combustion apparatus, and controls a return amount, which is the amount of the desulfurization drainage reused for the desulfurization, based on a concentration of halogens in the desulfurization drainage. Such exhaust gas treatment apparatus can appropriately remove mercury from the exhaust gas, and can desulfurize the post-mercury oxidation exhaust gas more appropriately.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: September 17, 2013
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Shintaro Honjo, Satoru Sugita
  • Patent number: 8529652
    Abstract: A soot particle filter according to the invention can be particularly used in motor vehicles or heating systems using liquid and solid fuels. The device is particularly characterized by a time controlled variable regeneration of the soot particle storage (10) and soot particle burn-off. The device is in particular catalytic. The device comprises at least one filter housing (2) having an input (3), an output (4) and a filter element (6). A soot particle storage chamber (10) is further provided in the filter housing (2) and comprises an access (19) that is particularly angled and tapered toward the inside. The inner chamber of the soot particle storage (10) is lined with precious metal discs (11). Said discs have holes, are angled and/or corrugated. The precious metal discs and/or a precious metal mesh (11) are at least partially catalytically coated. An ignition device (12) is arranged in the filter housing (12), for example a glow plug and/or a glow filament.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: September 10, 2013
    Inventor: Roswitha Burkhardt
  • Patent number: 8529855
    Abstract: A method for removing gas components SOx, NOx, and CO2 from a flue gas, comprises the steps of contacting the flue gas successively with first, second and third liquid mediums each of which provides a plasma containing reactive electrons or ions in an amount such that the gas molecules SOx, NOx, and CO2 are successively subjected to impingement of the electrons or ions in the respective plasma to enable the dissociation of the gas molecules SOx, NOx, and CO2 so as to remove SOx, NOx, and CO2 from the flue gas. A system for removing gas components SOx, NOx, and CO2 from a flue gas is also disclosed.
    Type: Grant
    Filed: May 26, 2010
    Date of Patent: September 10, 2013
    Assignee: Ecospec Global Technology Pte Ltd.
    Inventor: Hwee Hong Chew
  • Publication number: 20130230432
    Abstract: Methods for control of NOx emission in the incineration of tail gas are provided wherein tail gas that comprises NOx, NOx precursors, or both is introduced into a combustor and diluent is introduced into the combustor for controlling the combustor temperature to a temperature of from about 950° C. to about 1100° C. Methods also are provided for reducing NOx emissions by controlling air-to-fuel ratio in a tail gas combustor while controlling the combustor flame temperature through diluent injections. A boiler unit for carrying out these methods also is provided. A system for carbon black production using the boiler unit also is provided.
    Type: Application
    Filed: November 8, 2011
    Publication date: September 5, 2013
    Applicant: CABOT CORPORATION
    Inventors: William R. Williams, Daxiang Wang, Theis F. Clarke
  • Publication number: 20130216441
    Abstract: The invention pertains to a catalysed particulate filter provided in its entire dispersion side and within its partition walls with a first catalyst being active in selective catalytic reduction of nitrogen oxides, and in its entire permeate side with a second catalyst combination with a catalyst being active in oxidation of ammonia mixed with a catalyst being active in oxidation of carbon monoxide and hydrocarbons and a method for its preparation. The mean particle size of the first catalyst is smaller than the mean pore diameter of the longitudinal porous walls, and the mean particle size of the second catalyst combination is larger than the mean pore diameter of the longitudinal walls. In the example, the first catalyst is a silica aluminium phosphate SAPO-34 promoted with 2% copper and the second catalyst is a mixture of platinum and palladium (molar ratio 3:1) supported on alumina particles and beta zeolite powder with 1.0% copper.
    Type: Application
    Filed: July 1, 2011
    Publication date: August 22, 2013
    Applicant: Haldor Topsoe A/S
    Inventor: Keld Johansen
  • Patent number: 8512433
    Abstract: Disclosed are ceramic honeycomb articles which possess a unique microstructure characterized by porosity between 40% and 70%, and the presence of coarse pores exhibiting a depth equivalent to the thickness of the cell wall and a dimensional width, in the plane of the cell wall, exhibiting a diameter that is at least as large as the thickness of the cell wall. The articles exhibits reduced filtration efficiency coupled with low pressure drop across the filter, and a reduced regeneration need. Such ceramic articles are particularly well suited for filtration applications, such as off-road and retro-fit diesel exhaust filters or DPFs. Also disclosed is a method for manufacturing the ceramic article wherein the pore former is capable of forming coarse pores.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: August 20, 2013
    Assignee: Corning Incorporated
    Inventors: Douglas Munroe Beall, Achim Karl-Erich Heibel, Pushkar Tandon, David John Thompson
  • Publication number: 20130209317
    Abstract: The present invention discloses an after treatment device of an engine.
    Type: Application
    Filed: July 21, 2011
    Publication date: August 15, 2013
    Applicant: DOOSAN INFRACORE CO., LTD.
    Inventor: Yun Sub Park
  • Patent number: 8506693
    Abstract: A CO2 recovery system includes an absorber 2 and a regenerator 3. The absorber 2 includes a CO2 absorbing section 21 and at least one water-washing section 22. The CO2 absorbing section 21 allows flue gas 101 to come into contact with a basic amine compound absorbent 103 so that the basic amine compound absorbent 103 absorbs CO2 in the flue gas 101. The at least one water-washing section 22 allows the decarbonated flue gas 101A in which the amount of CO2 has been reduced in the CO2 absorbing section 21 to come into contact with wash water 104A and 104B to reduce the amounts of the basic amine compounds entrained in the decarbonated flue gas 101A. The regenerator 3 releases the CO2 from the basic amine compound absorbent 103 containing CO2 absorbed therein.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: August 13, 2013
    Assignees: Mitsubishi Heavy Industries, Ltd, The Kansai Electric Power Co., Inc.
    Inventors: Hiromitsu Nagayasu, Takashi Kamijo, Takahito Yonekawa, Hiroshi Tanaka, Shinya Kishimoto, Takuya Hirata, Tatsuya Tsujiuchi, Masaru Chiyomaru, Koji Nakayama, Masahiko Tatsumi, Yasuyuki Yagi, Kazuhiko Kaibara
  • Patent number: 8506917
    Abstract: In a circulating fluidized-bed gasification system, an ammonia-off gas 30 from an ammonia remover 25 is fed to a catalytic denitrator 15 with a flow rate regulated such that a molar ratio of the ammonia in the ammonia off-gas 30 from the ammonia recover 25 to nitrogen oxides in an exhaust gas 6 from a combustion furnace 1 is kept within a setting range, and a reminder of the ammonia off-gas 30 is fed to the combustion furnace 1.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: August 13, 2013
    Assignee: IHI Corporation
    Inventors: Hiroaki Ohara, Koki Hamada
  • Publication number: 20130202507
    Abstract: The present invention relates to a method for the treatment of an exhaust gas comprising NOx, wherein the method comprises the step of subjecting the exhaust gas to an exhaust gas treatment system comprising, in order of the exhaust stream: (a) a first NOx storage catalytic converter (2, 2?); (b) a catalytic converter (3) for selective catalytic reduction (SCR) downstream of the first NOx storage catalytic converter; and (C) a catalytic converter (4) having oxygen storage capacity downstream of the SCR catalytic converter; wherein the exhaust gas treatment system is operated in alternating rich and lean phases, wherein the rich phase is terminated when the amount of reducing components leaving the first NOx storage catalytic converter is at least 0.
    Type: Application
    Filed: November 10, 2008
    Publication date: August 8, 2013
    Inventors: Stephan Echoff, Ruediger Hoyer, Susanne Philipp, Ina Grisstede, Wilfried Mueller, Friedemann Rohr