Patents Assigned to Kellogg Brown & Root LLC
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Publication number: 20150251988Abstract: Methods and systems for purifying a crude aniline. The method can include contacting a crude aniline that can include aniline, water, and cyclohexanone with a cation exchange resin to produce a cyclohexanone-lean product that contains less cyclohexanone than the crude aniline. The cation exchange resin can be a solid, a semi-solid, or a combination thereof.Type: ApplicationFiled: February 26, 2015Publication date: September 10, 2015Applicant: KELLOGG BROWN & ROOT LLCInventors: Theodor Wilks, Eric Wing-Tak Wong, Matthew R. Ulrich
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Publication number: 20150251984Abstract: Methods and systems for purifying phenol. The method can include contacting a feed that includes phenol and an aldehyde containing compound with a first ion exchange material to produce a first treated product. The first treated product can have a pH that is less than a pH of the feed. The first treated product can contain less of the aldehyde containing compound than the feed. The first treated product can be contacted with a second ion exchange material to produce a second treated product. The second treated product can have a pH that is greater than the pH of the first treated product. Each of the first ion exchange material and the second ion exchange material can be a solid, a semi-solid, or a combination thereof.Type: ApplicationFiled: February 26, 2015Publication date: September 10, 2015Applicant: KELLOGG BROWN & ROOT LLCInventor: THEODOR WILKS
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Patent number: 9127897Abstract: Systems and methods for transporting a hydrocarbon are provided. The method can include introducing a fluid at a first pressure and a first temperature to an inlet of a pump and pressurizing the fluid within the pump to produce a pressurized fluid having a second pressure and a second temperature. The method can also include flowing at least a portion of the pressurized fluid through a first heat exchanger and back to the inlet of the pump. The heat exchanger can include a coil having an inlet and an outlet and a housing at least partially enclosing the coil and having a first opening and a second opening. A first end of the coil can be disposed proximate the first opening. The heat exchanger can also include a foundation for supporting the coil and the housing.Type: GrantFiled: December 30, 2010Date of Patent: September 8, 2015Assignee: KELLOGG BROWN & ROOT LLCInventor: Robert Hernandez
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Patent number: 9126172Abstract: Reforming exchangers for syngas production are provided. The reforming exchangers can have a shell-and-tube configuration and include a shift catalyst on the shell side of the exchanger to reduce a carbon monoxide concentration in a shell side product gas mixture. Processes for forming syngas using the reforming exchangers are also provided.Type: GrantFiled: April 20, 2015Date of Patent: September 8, 2015Assignee: KELLOGG BROWN & ROOT LLCInventors: Shashi Singh, Kamal Gursahani, Robert Burlingame, Tim Weeks, Jim Gosnell, Avinash Malhotra
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Publication number: 20150226361Abstract: Systems and methods for transporting a hydrocarbon are provided. The method can include introducing a fluid at a first pressure and a first temperature to an inlet of a pump and pressurizing the fluid within the pump to produce a pressurized fluid having a second pressure and a second temperature. The method can also include flowing at least a portion of the pressurized fluid through a first heat exchanger and back to the inlet of the pump. The heat exchanger can include a coil having an inlet and an outlet and a housing at least partially enclosing the coil and having a first opening and a second opening. A first end of the coil can be disposed proximate the first opening. The heat exchanger can also include a foundation for supporting the coil and the housing.Type: ApplicationFiled: April 23, 2015Publication date: August 13, 2015Applicant: Kellogg Brown & Root LLCInventor: ROBERT HERNANDEZ
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Publication number: 20150224463Abstract: Reforming exchangers for syngas production are provided. The reforming exchangers can have a shell-and-tube configuration and include a shift catalyst on the shell side of the exchanger to reduce a carbon monoxide concentration in a shell side product gas mixture. Processes for forming syngas using the reforming exchangers are also provided.Type: ApplicationFiled: April 20, 2015Publication date: August 13, 2015Applicant: Kellogg Brown & Root LLCInventors: SHASHI SINGH, Kamal Gursahani, Robert Burlingame, Tim Weeks, Jim Gosnell, Avinash Malhotra
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Patent number: 9101899Abstract: Reforming exchangers for syngas production are provided. The reforming exchangers can have a shell-and-tube configuration and include a shift catalyst on the shell side of the exchanger to reduce a carbon monoxide concentration in a shell side product gas mixture. Processes for forming syngas using the reforming exchangers are also provided.Type: GrantFiled: October 20, 2011Date of Patent: August 11, 2015Assignee: KELLOGG BROWN & ROOT LLCInventors: Shashi Singh, Kamal Gursahani, Robert Burlingame, Tim Weeks, Jim Gosnell, Avinash Malhotra
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Patent number: 9103586Abstract: Processes to separate a light hydrocarbon stream comprising ethylene, ethane, and C3+ hydrocarbons into an ethylene stream, an ethane stream, and a C3+ hydrocarbon stream, including: feeding the light hydrocarbon stream to a deethanizer; separating the light hydrocarbons in the deethanizer to form a C3+ hydrocarbon bottoms stream and a C2-rich overhead stream comprising ethylene and ethane; separating the C2-rich stream in a C2-rectifier to form a first ethylene stream and an ethane-rich bottoms stream; and separating the ethane-rich bottoms stream in a C2-splitter to form a second ethylene stream and an ethane stream.Type: GrantFiled: December 16, 2006Date of Patent: August 11, 2015Assignee: KELLOGG BROWN & ROOT LLCInventor: Vijender Kumar Verma
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Publication number: 20150196885Abstract: A heat exchanger including a housing. A plurality of tubes can be disposed within the housing. A plurality of solid particulates can be disposed within the housing between an inner surface of the housing and outer surfaces of the tubes, wherein the solid particulates have an average cross-sectional length from about 250 ?m to about 5 mm.Type: ApplicationFiled: January 15, 2014Publication date: July 16, 2015Applicant: KELLOGG BROWN & ROOT LLCInventors: IWAN H. CHAN, Yongchao Li, John Abughazaleh, Anant Pisut
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Publication number: 20150176910Abstract: Methods, systems, and apparatus for cooling particulates are provided. A method can include introducing particulates and water to a first vessel to provide a fluidized bed of particulates and cooling the fluidized bed of particulates in the first vessel to obtain first cooled particulates. The method can also include recovering the first cooled particulates from the first vessel and introducing the first cooled particulates to a heat exchanger comprising a plurality of tubulars. The method can also include introducing a coolant to the plurality of tubulars, flowing the first cooled particulates through a shell side of the heat exchanger and contacting at least a portion of the first cooled particulates with the plurality of tubulars, recovering a heated coolant from the plurality of tubulars, and recovering second cooled particulates from a particulate outlet.Type: ApplicationFiled: December 20, 2013Publication date: June 25, 2015Applicant: KELLOGG BROWN & ROOT LLCInventors: Iwan H. CHAN, Yongchao LI
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Publication number: 20150174545Abstract: Systems and methods for contacting solids with a fluid are provided. The system can include a first baffle having a latitudinal centerline that is in a plane defined by first and second axes, the latitudinal centerline of the first baffle being oriented at a first angle from about 5° to about 80° with respect to the second axis. The system can also include a second baffle axially offset from the first baffle along the second axis and having a latitudinal centerline in the plane that is oriented at a second angle from about 100° to about 175° with respect to the second axis and a third baffle axially adjacent to the second baffle along the second axis and having a latitudinal centerline in the plane that is oriented at a third angle from about 5° to about 80° with respect to the second axis.Type: ApplicationFiled: December 20, 2013Publication date: June 25, 2015Applicant: KELLOGG BROWN & ROOT LLCInventors: Paul Marchant, Wendell A. Prothow
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Publication number: 20150136647Abstract: Methods and systems. For producing diesel arc provided. The method for producing diesel can include cracking a first hydrocarbon feed in a first riser under first cracking conditions to provide a first effluent containing a first light cycle oil, a heavy cycle oil, and a first bottoms and Fractionating at least a portion of the first effluent to separate the first bottoms and the heavy cycle oil from the first light cycle oil. The method can include cracking the separated first bottoms in a second riser under second cracking conditions to produce a second effluent containing a second light cycle oil and a second bottoms. The method can also include cracking the separated heavy cycle oil in the first riser under third cracking conditions to provide a third effluent and mixing the third effluent with the first hydrocarbon feed to provide the first cracking conditions.Type: ApplicationFiled: November 21, 2013Publication date: May 21, 2015Applicant: KELLOGG BROWN & ROOT LLCInventors: Gautham KRISHNAIAH, Yongchao Li, Yonglin Yang, Jesse Henry Williams, IV
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Patent number: 9012523Abstract: Systems and methods for producing a synthetic natural gas are provided. A syngas can be separated into a first syngas, a second syngas, and a third syngas. The first syngas can be methanated to produce a first effluent. The first effluent can be mixed with the second syngas to produce a first mixed effluent. The first mixed effluent can be methanated to produce a second effluent. The second mixed effluent can be methanated to produce a third effluent. The third effluent can be cooled to produce a first cooled effluent. The first cooled effluent can be cooled to produce a synthetic natural gas.Type: GrantFiled: December 22, 2011Date of Patent: April 21, 2015Assignee: Kellogg Brown & Root LLCInventor: Siva Ariyapadi
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Patent number: 8980195Abstract: Systems and methods for operating transport reactors are provided. The method can include fluidizing one or more particulates within a transport reactor. The one or more particulates can include one or more carbonaceous materials. The method can also include maintaining one or more pressure differentials between two or more points within the transport reactor using at least one integrally geared compression system. The at least one integrally geared compression system can include a bull gear, at least one pinion, and two or more compressors.Type: GrantFiled: August 11, 2011Date of Patent: March 17, 2015Assignee: Kellogg Brown & Root LLCInventor: Jerome Pelton
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Patent number: 8973398Abstract: A method for vaporizing a liquefied natural gas (LNG) stream and recovering heavier hydrocarbons from the LNG utilizing a heat transfer fluid is disclosed.Type: GrantFiled: February 27, 2008Date of Patent: March 10, 2015Assignee: Kellogg Brown & Root LLCInventor: David A. Coyle
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Patent number: 8967271Abstract: Systems and methods for relieving pressure from a subsea transport line are provided. The system can include a vessel having a bottom end that can be at least partially open and in fluid communication with a subsea environment. The vessel can also include one or more relief lines each having a first end and a second end. The first end can be coupled to one or more subsea transport lines coupled to one or more subsea production units and the second end can be coupled to a top end of the vessel. The relief line can include one or more pressure relief devices at least partially disposed therein.Type: GrantFiled: June 7, 2012Date of Patent: March 3, 2015Assignee: Kellogg Brown & Root LLCInventor: Craig W. Lamison
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Publication number: 20150057482Abstract: Methods and systems for producing a hydrocarbon are provided. The method can include cracking one or more C2-C10 hydrocarbons in the presence of a catalyst under conditions sufficient to produce an effluent containing ethylene, propylene, gasoline, and a coked-catalyst, wherein the catalyst includes a first catalytic component having an average pore size of less than 6.4 ? and a second catalytic component having an average pore size of 6.4 ? or more, separating the effluent to provide a recovered coked-catalyst and a cracked product; and regenerating the recovered coked-catalyst to produce heat and the catalyst.Type: ApplicationFiled: August 22, 2013Publication date: February 26, 2015Applicant: Kellogg Brown & Root LLCInventor: Phillip K. Niccum
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Publication number: 20150034876Abstract: Systems and methods for producing synthetic gas are provided. The method can include gasifying a carbonaceous feedstock in the presence of an oxidant within a gasifier to provide a raw syngas. The raw syngas can be cooled within a cooler to provide a cooled syngas. The cooled syngas can be processed within a purification system to provide a treated syngas. The purification system can include a saturator adapted to increase a moisture content of the cooled syngas. The treated syngas and a first heat transfer medium can be introduced to a methanator to provide a synthetic gas, a second heat transfer medium, and a methanation condensate. At least a portion of the methanation condensate can be recycled from the methanator to the saturator.Type: ApplicationFiled: October 30, 2012Publication date: February 5, 2015Applicant: Kellogg Brown & Root LLCInventors: Siva ARIYAPADI, Philip Shires
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Patent number: 8945507Abstract: Systems and methods for operating a gasifier are provided. The method can include combusting a first start-up fuel to produce a first combustion gas. A temperature within the gasifier can be increased from a starting temperature to at least an auto-ignition temperature of a second start-up fuel by introducing the first combustion gas to the gasifier. A second start-up fuel can be introduced directly to the gasifier after the temperature within the gasifier is at least the auto-ignition temperature of the second start-up fuel. At least a portion of the second start-up fuel can be combusted within the gasifier to produce a second combustion gas. The second combustion gas can produce sufficient heat to increase the temperature within the gasifier to a hydrocarbon feedstock gasification temperature. A hydrocarbon feedstock can be introduced to the gasifier. At least a portion of the hydrocarbon feedstock can be gasified within the gasifier to produce a syngas.Type: GrantFiled: April 21, 2011Date of Patent: February 3, 2015Assignee: Kellogg Brown & Root LLCInventor: John Abughazaleh
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Patent number: 8887513Abstract: Systems and methods for heating a cryogenic fluid are provided. A cryogenic fluid can be heated to provide a partially cryogenic vaporized fluid having a first temperature. The partially vaporized cryogenic fluid can be partially vaporized to provide a second partially vaporized fluid having a second temperature. At least a portion of the second, partially vaporized, cryogenic fluid can be used to heat the cryogenic fluid to the first temperature. The second, partially vaporized, cryogenic fluid can be partially vaporized to provide a substantially vaporized cryogenic fluid having a third temperature.Type: GrantFiled: November 1, 2007Date of Patent: November 18, 2014Assignee: Kellogg Brown & Root LLCInventors: Heinz J. Kotzot, Felix J. Fernandez de la Vega, Joseph H. Cho, Charles Durr, Robert Burlingame