Patents Represented by Attorney Charles W. Stewart
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Patent number: 8076525Abstract: Process for the preparation of C3 and C4 olefins and gasoline by: (a) contacting in a fluidised bed reactor a light hydrocarbon feedstock with a first catalyst inventory comprising a medium pore size zeolite catalyst, wherein the first catalyst inventory is a fresh catalyst inventory; (b) combining at least part of the catalyst inventory as used in step (a) with one or more catalyst streams to form a second catalyst inventory comprising a medium pore size zeolite catalyst and a large pore size zeolite catalyst; (c) contacting a hydrocarbon feedstock with the second catalyst inventory in a reactor riser to form cracked products.Type: GrantFiled: December 19, 2005Date of Patent: December 13, 2011Assignee: Shell Oil CompanyInventors: George A. Hadjigeorge, Colin John Schaverien, Nicolaas Wilhelmus Joseph Waij
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Patent number: 8076399Abstract: A binder composition and asphalt mixture that are suitably used to prepare asphalt pavements are disclosed. The binder composition comprises a resin of vegetable origin, an oil of vegetable origin and a polymer, and the polymer comprises functional groups chosen from carboxylic acid anhydride, carboxylic acid and epoxide groups.Type: GrantFiled: December 5, 2008Date of Patent: December 13, 2011Assignee: Shell Oil CompanyInventors: Claire Laurens, Hechem Nadjar, Anne Claire Rebuffatti, Catherine Rodrigues, Kathy Wang, Chantal Soubigou
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Patent number: 8070141Abstract: A fluid inlet device (1) suitable for introducing a mixture of liquid and gas into a vessel, which fluid inlet device comprises a guide member having a surface on which surface a liquid film is present during normal operation, and having a main direction of gas flow along the surface; and wherein the guide member (20) is provided with a liquid catcher channel (40) extending from an upstream position with respect to the guide member (20) to a downstream position, and wherein a virtual line along the guide member between the upstream position and the downstream position deviates from the main direction of gas flow; the use of the fluid inlet device for introducing a mixture of liquid and gas into a gas-liquid contacting vessel; and a method of retrofitting a fluid inlet device.Type: GrantFiled: November 21, 2006Date of Patent: December 6, 2011Assignee: Shell Oil CompanyInventors: Hendrik Adriaan Kooijman, Johannes Lambertus Nooijen
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Patent number: 8048199Abstract: A method of preparing a gas separation membrane system and the gas separation membrane system itself, wherein the method includes applying a layer of a gas-selective material to a porous substrate followed by heat-treating thereof in an inert gaseous atmosphere and then polishing and repeating these steps to thereby provide the gas separation membrane system or a structure that may suitably be used in a gas separation membrane system.Type: GrantFiled: February 18, 2008Date of Patent: November 1, 2011Assignee: Shell Oil CompanyInventor: John Charles Saukaitis
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Patent number: 8043589Abstract: The invention provides a process for removing COS and H2S from a feed synthesis gas stream comprising COS and H2S, the process comprising contacting the feed synthesis gas stream with solid adsorbent at a temperature in the range of from 100 to 240° C. to remove carbonyl sulphide and hydrogen sulphide, thereby obtaining a purified synthesis gas stream, wherein the solid adsorbent comprises one or more metals or oxides of the metals or combinations thereof and the metals are selected from the group of Ag, Sn, Mo, Fe and Zn.Type: GrantFiled: January 17, 2007Date of Patent: October 25, 2011Assignee: Shell Oil CompanyInventors: Rudolf Henri Max Herold, Thijme Last, Bernardus Josephus Maria Manshande, Cornelis Jacobus Smit
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Patent number: 8025717Abstract: Process to separate particles from a particles-containing gas stream, by subjecting the particles-containing gas stream to a centrifugal separation step, wherein the particles-containing gas stream is separated in a gas rich flow and a particles-rich flow and wherein the particles-rich flow is cooled from a temperature in the range from 600 to 800° C. to a temperature in the range from 200 to 450° C. before it is subjected to a second separation step, wherein particles are separated from the particles-rich flow.Type: GrantFiled: August 16, 2007Date of Patent: September 27, 2011Assignee: Shell Oil CompanyInventors: Hubertus Wilhelmus Albertus Dries, Kee-Khoon Foo, Ferdinand Johannes Adriaan Geiger, Michiel Alexander Regelink
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Patent number: 8025724Abstract: The invention provides a sulphur pellet comprising at least one H2S-suppressant, comprising in the range of from 60 to 100 wt % elemental sulphur, based on the total weight of the pellet. The invention further provides a process for the manufacture of sulphur pellets comprising at least one H2S-suppressant, comprising the steps of: (a) mixing elemental sulphur, one or more H2S-suppressants and optionally a filler in a mixing unit to obtain a mixture; (b) shaping and/or palletizing the mixture obtained in step (a) in a palletizing unit to obtain H2S-suppressant-comprising sulphur pellets. The invention further provides a process for the manufacture of a sulphur-comprising asphalt paving mixture comprising the steps of: (i) preheating bitumen at a temperature of between 140 and 180° C.; (ii) preheating aggregate at a temperature of between 140 and 180° C.Type: GrantFiled: December 8, 2004Date of Patent: September 27, 2011Assignee: Shell Oil CompanyInventor: Imants Deme
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Patent number: 8025718Abstract: A fluid inlet device (1) suitable for introducing a mixture of liquid and gas into a vessel (5), which fluid inlet device (1) comprises an inlet flow channel having an inlet end (12) for receiving the mixture of liquid and gas; and a plurality of curved guiding vanes (20), wherein each vane (20) comprises an intercepting part (22) extending towards the inlet end of the inlet flow channel, and an outwardly directed deflecting part (25) defining a generally convex side and a generally concave side of the curved vane, wherein the deflecting parts (25) of two consecutive vanes form an outlet channel of the inlet device and define a main direction of gas flow in the outlet channel, and wherein at least one of the vanes (25) is provided with a liquid catcher (40) oblique to the gas flow direction.Type: GrantFiled: May 16, 2006Date of Patent: September 27, 2011Assignee: Shell Oil CompanyInventor: Hendrik Adriaan Kooijman
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Patent number: 8007681Abstract: A method of preparing an oxidant stream comprising: burning a combustion mixture comprising (a) one or more fuel composition and (b) oxidant comprising a first oxygen content of about 10 mole % or more and a first carbon dioxide (CO2) gas content of about 68 mole % or more on a dry basis, the burning producing a flue gas comprising CO2 gas, water vapor, and unreacted oxygen; separating from the flue gas a recycle stream; mixing at least a portion of the recycle stream having a first pressure with a sufficient amount of an oxygen stream having a second pressure which is sufficiently higher than the first pressure to entrain at least a portion of the recycle stream in the oxidant stream and to produce the oxidant stream having a second oxygen content of 10 mole % or more and a second CO2 gas content of about 68 mole % or more on a dry basis.Type: GrantFiled: April 25, 2008Date of Patent: August 30, 2011Assignee: Shell Oil CompanyInventors: Walter Farman Farmayan, Abud Saeed Jamaluddin, Mahendra L Joshi, Scott Lee Wellington
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Patent number: 7998247Abstract: A gas separation membrane and a method of manufacturing such gas separation membrane that comprises a porous substrate treated with a layer of metal-coated inorganic oxide particles and with the layer of such metal-coated inorganic oxide particles being coated with an overlayer of a gas-selective material.Type: GrantFiled: May 13, 2010Date of Patent: August 16, 2011Assignee: Shell Oil CompanyInventors: John Charles Saukaitis, Alan Anthony Del Paggio
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Patent number: 7997329Abstract: The invention relates to a cylindrical vessel having a cylindrical shell provided internally with a tube bundle having a number of parallel tubes and axially spaced apart transverse supports for supporting the tubes in the cylindrical vessel, wherein each transverse support is a sheet of expanded metal.Type: GrantFiled: February 5, 2003Date of Patent: August 16, 2011Assignee: Shell Oil CompanyInventor: Dominicus Fredericus Mulder
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Patent number: 7992805Abstract: A feed nozzle assembly for introducing a mixture of a gas and a liquid hydrocarbon droplets into a vessel in the form of a substantially sheet-like spray, which feed nozzle assembly comprises a nozzle body provided at its upstream part with means to supply the gas and means to supply the liquid hydrocarbon to said nozzle body and at the downstream end with a closed outlet end which outlet end is provided with an elongated opening wherein in the opening an insert is positioned such that a continuous loop opening results for discharge of the mixture of gas and liquid droplets.Type: GrantFiled: November 12, 2004Date of Patent: August 9, 2011Assignee: Shell Oil CompanyInventor: Ye-Mon Chen
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Patent number: 7964157Abstract: Catalytic cracking riser reactor extending between an inlet for hydrocarbonaceous feed and catalyst particles and an outlet for discharging cracked products and spent catalyst particles, which riser reactor has been provided with at least one contacting device, wherein the contacting device comprises a composite of refractory material and a metal structure, which metal structure is connected to the outer wall of the riser reactor. If more contacting devices have been provided, they are preferably axially spaced apart and are disposed along the inner surface of the riser reactor.Type: GrantFiled: August 6, 2007Date of Patent: June 21, 2011Assignee: Shell Oil CompanyInventors: Hubertus Wilhelmus Albertus Dries, Sebastiaan Christoffel Van Der Heijden, Jason Andrew Horwege, Anthony Wolfert
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Patent number: 7959711Abstract: A method of manufacturing such gas separation membrane system that includes applying to a surface of a porous substrate a layer of a nanopowder of a gas-selective metal and, thereafter, heat-treating the resultant surface treated porous substrate to yield a heat-treated and surface-treated porous substrate suitable for use as a gas separation membrane system.Type: GrantFiled: October 31, 2007Date of Patent: June 14, 2011Assignee: Shell Oil CompanyInventors: John Charles Saukaitis, Alan Anthony Del Paggio
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Patent number: 7959897Abstract: This invention relates to a process and apparatus for the production of pure hydrogen by steam reforming. The process integrates the steam reforming and shift reaction to produce pure hydrogen with minimal production of CO and virtually no CO in the hydrogen stream, provides for CO2 capture for sequestration, employs a steam reforming membrane reactor, and is powered by heat from the convection section of a heater.Type: GrantFiled: January 14, 2009Date of Patent: June 14, 2011Assignee: Shell Oil CompanyInventors: Jingyu Cui, Mahendra Ladharam Joshi, Scott Lee Wellington
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Patent number: 7951355Abstract: A process for producing a purified synthesis gas stream from a contaminated feed synthesis gas stream is disclosed. A part of the feed synthesis gas stream is subjected to a water gas shift step. The water gas shift step is used in combination with bulk contaminant removal followed by polishing to thereby remove the contaminants from the synthesis gas stream so as to provide the purified synthesis gas stream having a desired low level of contaminants.Type: GrantFiled: December 6, 2007Date of Patent: May 31, 2011Assignee: Shell Oil CompanyInventors: Jan Lodewijk Maria Dierickx, Maarten Hesselink, Cornelis Jacobus Smit
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Patent number: 7934301Abstract: A sheet of expanded metal produced by slitting a sheet of metal, and stretching along a stretching direction, which sheet of expanded metal forms a grid of openings having a first repetition length in the stretching direction and a second repetition length in the direction perpendicular to the stretching direction, wherein the first and second repetition lengths are substantially equal. A sheet of expanded metal having a stretching angle larger than 90 degrees. Use of a sheet of expanded metal according to the invention for supporting a bundle of parallel tubes. A method of manufacturing expanded metal from pre-expanded metal, wherein expansion force is applied at a plurality of points perpendicular to the stretching direction, wherein the expansion force is applied using a plurality of force transmitters co-operating with the plurality of points, and wherein the force transmitters are arranged so that they can move towards each other in the second direction while applying extension force.Type: GrantFiled: October 3, 2007Date of Patent: May 3, 2011Assignee: Shell Oil CompanyInventor: Dominicus Fredericus Mulder
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Patent number: 7918922Abstract: The invention provides a process for removal of hydrogen sulphide, iron pentacarbonyl and nickel tetracarbonyl from a feed synthesis gas stream, the process comprising the steps of: (a) removal of hydrogen sulphide and of iron pentacarbonyl by contacting the feed synthesis gas stream with an absorbing liquid comprising water, physical solvent and an amine, to obtain a synthesis gas stream depleted of hydrogen sulphide and depleted of iron pentacarbonyl; (b) adsorption of nickel tetracarbonyl by contacting the synthesis gas stream depleted of hydrogen sulphide and depleted of iron pentacarbonyl with solid adsorbent comprising activated carbon to obtain solid adsorbent enriched in nickel tetracarbonyl and a purified synthesis gas stream.Type: GrantFiled: September 26, 2007Date of Patent: April 5, 2011Assignee: Shell Oil CompanyInventors: Rudolf Robert Gouman, Adriaan Johannes Kodde, Cornelis Jacobus Smit
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Patent number: 7901655Abstract: A process for treating a gas stream comprising H2S that includes the step of selectively oxidizing the H2S of the gas stream within a catalytic zone containing an oxidation catalyst and in the presence of an inert liquid medium and molecular oxygen to form elemental sulfur and a gas stream depleted of H2S. A liquid stream yielded from the catalytic zone and containing the inert liquid medium and liquid elemental sulfur undergoes a separation into a first liquid phase rich in the inert liquid medium and a second liquid phase rich in elemental sulfur. Either at least a part of the liquid stream or at least a part of the second liquid phase, or both, undergoes a combustion to form a fluid stream that comprises sulfur dioxide.Type: GrantFiled: April 29, 2010Date of Patent: March 8, 2011Assignee: Shell Oil CompanyInventors: Carolus Matthias Anna Maria Mesters, Isaac Cornelis Van Den Born
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Patent number: 7897037Abstract: A catalyst is provided comprising nickel in a reduced valence state on a carrier comprising zinc oxide and alumina, wherein the Zn:Ni atomic ratio is at least 12, and the catalyst particles are prepared by: mixing zinc oxide in the form of a powder and alumina or an alumina precursor in the form of a powder; peptizing the powder mixture and forming an extrudable dough by adding acid and water to the powder mixture in such amounts that the dough contains 0.8-1.2 moles acid equivalents per kg powder; extruding the extrudable dough to form extrudates; drying and calcining the extrudates; impregnating the extrudates with an aqueous solution of a nickel compound; drying, calcining and reducing the impregnated extrudates. Further provided is a process for desulphurization of a hydrocarbonaceous feedstock using such catalyst.Type: GrantFiled: September 20, 2007Date of Patent: March 1, 2011Assignee: Shell Oil CompanyInventor: Carolus Matthias Anna Maria Mesters