Dephlegmators Or Fractionating Columns Patents (Class 196/139)
  • Patent number: 11926792
    Abstract: A method for recovering kerogen oil includes loading first and second reactors with carbonaceous material and injecting a heat transfer medium into the first reactor, wherein the heat transfer medium comprises steam. In addition, the method includes heating the carbonaceous material in the first reactor to a maximum temperature for the carbonaceous material in the first reactor during the method with the heat transfer medium to thermally crack kerogen and vaporize liquid hydrocarbons within the carbonaceous material in the first reactor and producing a vapor phase effluent from the first reactor as a result of the heating. Further, the method includes condensing the vapor phase effluent in the second reactor to produce a condensate stream that comprises condensed water and condensed hydrocarbons and heating the carbonaceous material in the second reactor as a result of the condensing. Still further, the method includes recovering kerogen oil from the condensate stream.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: March 12, 2024
    Inventor: Charles Sterling Keracik
  • Patent number: 10799810
    Abstract: The invention relates to a cascade tray suitable for use in a rectifying column and comprising openings in the weir-type cascade edge, to a rectifying column containing at least one cascade tray according to the invention, to a method for operating such a rectifying column, and to the use of a claimed rectifying column in the fractionation of specific substance mixtures.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: October 13, 2020
    Assignee: Covestro Deutschland AG
    Inventors: Bernd Pennemann, Jürgen Bausa
  • Patent number: 8852404
    Abstract: An improved apparatus strips HPNA's from hydroprocessed streams in a fractionation column having a split shell configuration. Only one vapor stripping feed is required to the split shell of the fractionation column. The resulting reduction in steam requirement provides a superior fractionation in the column.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: October 7, 2014
    Assignee: UOP LLC
    Inventors: Richard K. Hoehn, Daniel J. Breitenfeldt
  • Patent number: 8753577
    Abstract: Processing scheme and arrangement for increasing the relative yield of light olefins involves integration of the cracking a heavy hydrocarbon feedstock to produce an effluent comprising a range of hydrocarbon products including C4-C7 olefins and the subsequent cracking at least a portion of the C4-C7 olefins to produce additional light olefins.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: June 17, 2014
    Assignee: UOP LLC
    Inventors: Joseph E. Zimmermann, Charles P. Luebke, John B. Baker
  • Patent number: 8709215
    Abstract: A process comprising receiving a hydrocarbon feed stream comprising carbon dioxide, separating the hydrocarbon feed stream into a light hydrocarbon stream and a heavy hydrocarbon stream, separating the light hydrocarbon stream into a carbon dioxide-rich stream and a carbon dioxide-lean stream, and feeding the carbon dioxide-lean stream into a hydrocarbon sweetening process, thereby increasing the processing capacity of the hydrocarbon sweetening process compared to the processing capacity of the hydrocarbon sweetening process when fed the hydrocarbon feed stream.
    Type: Grant
    Filed: June 28, 2010
    Date of Patent: April 29, 2014
    Assignee: Pilot Energy Solutions, LLC
    Inventor: Eric Prim
  • Patent number: 8696891
    Abstract: An improved system for removing bitumen from tar sands comprises a pre-treatment system utilizing a vibratory load hopper for classifying and sizing said tar sand particles communicating with a dryer for heating and drying said tar sand particles to a predetermined temperature thereby controlling the moisture content of said tar sands. An extraction system is also included for accepting said tar sands from the dryer comprising a plurality of extraction vessels arranged in series for transporting said tar sands from a first extraction vessel to a final extraction vessel. Furthermore, a solvent system for supplying a predetermined volume of solvent flow through said extraction vessels is employed, whereby solvent is supplied to the last extraction vessel and a solvent and bitumen mixture is withdrawn from the first extraction vessel.
    Type: Grant
    Filed: March 19, 2010
    Date of Patent: April 15, 2014
    Inventor: Larry W. Hastings
  • Patent number: 8398824
    Abstract: Systems and methods for hydrocarbon extraction from hydrocarbon-containing material. Such systems and methods relate to extracting hydrocarbon from hydrocarbon-containing material employing a non-aqueous extractant. Additionally, such systems and methods relate to recovering and reusing non-aqueous extractant employed for extracting hydrocarbon from hydrocarbon-containing material.
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: March 19, 2013
    Assignee: Honeywell Federal Manufacturing & Technologies, LLC
    Inventors: George W. Bohnert, Galen G. Verhulst
  • Patent number: 8262866
    Abstract: A system for recovering products from a gas stream comprises a cooled chamber having an inlet that feeds the gas stream to a plurality of sequential conduit loops within the chamber. A critical orifice follows each loop, and each loop includes an output port. Based upon the physical characteristics of each loop, the sizing of the critical orifice following the loop, and the temperature within the chamber, different products are condensed from the gas stream through the output ports. The system may be configured to condense hydrocarbonaceous products such as ethane, propane, butane or methane, as well as fundamental products such as carbon dioxide, nitrogen or hydrogen. Gaseous products may be stored in gas or liquid form or vented to atmosphere depending upon amount, purity, and so forth.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: September 11, 2012
    Assignee: General Synfuels International, Inc.
    Inventors: Michael D. Lockhart, Ron McQueen
  • Patent number: 8142648
    Abstract: Controlled RVP C5+ products are produced from feed gas in configurations and methods in which a heavier portion of the feed gas is fractionated into several streams having distinct RVP and in which a C5+ stream is produced from the lighter portion of the feed gas. The so formed streams are then combined to produce C5+ products with controlled RVP. Thus, RVP control is achieved without the need for external products for blending process streams derived from the feed gas.
    Type: Grant
    Filed: October 24, 2007
    Date of Patent: March 27, 2012
    Assignee: Fluor Technologies Corporation
    Inventor: John Mak
  • Patent number: 8025773
    Abstract: In a system for thermal cracking gaseous feedstocks, the system including a gas cracker for producing an effluent comprising olefins, at least one transfer line exchanger for the recovery of process energy from the effluent and a water quench tower system, a process for extending the range of system feedstocks to include liquid feedstocks that yield tar is provided. The process includes the steps of injecting a first quench fluid downstream of the at least one transfer line exchanger to quench the process effluent comprising olefins, separating in a separation vessel a cracked product and a first byproduct stream comprising tar from the quenched effluent, directing the separated cracked product to the water quench tower system and quenching the separated cracked product with a second quench fluid to produce a cracked gas effluent for recovery and a second byproduct stream comprising tar. An apparatus for cracking a liquid hydrocarbon feedstock that yield tar is also provided.
    Type: Grant
    Filed: June 5, 2009
    Date of Patent: September 27, 2011
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: James N. McCoy, Walter F. Filupeit, Barrington M. Hammond, David J. Duhon, Mark A. Rooney, Robert A. D. Strack, John R. Messinger
  • Patent number: 7767170
    Abstract: A process is provided for cracking hydrocarbon feedstock containing resid comprising: heating the feedstock, mixing the heated feedstock with a fluid and/or a primary dilution steam stream to form a mixture, optionally further heating the mixture, flashing the mixture within a flash/separation vessel to form a vapor phase and a liquid phase, partially condensing the vapor phase by contacting with a condenser within the vessel, to condense at least some coke precursors within the vapor while providing condensates which add to the liquid phase, removing the vapor phase of reduced coke precursors content as overhead and the liquid phase as bottoms, heating the vapor phase, cracking the vapor phase in a radiant section of a pyrolysis furnace to produce an effluent comprising olefins, and quenching the effluent and recovering cracked product therefrom. An apparatus for carrying out the process is also provided.
    Type: Grant
    Filed: June 16, 2006
    Date of Patent: August 3, 2010
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Richard C. Stell, George Stephens, Jennifer L. Bancroft, John R. Messinger
  • Patent number: 7695593
    Abstract: The helical fractionating column according to the invention falls into the field of oil separation apparatus for the petroleum refining industry, which includes a column body (8), and is characterized in that the inside of the column body (8) is divided into three sections, the lower section being jet tray section, the middle section being packing section, and the upper section being floating valve section. The helical fractionating column has many advantages, such as having enhanced integrity of separation, decoloration and deodorization, simple structure, convenient manufacturing and maintenance, and low investment cost as well as high product quality etc. Thus, the present invention is worthy to be extended in the petroleum refining industry which uses waste plastics and rubbers as raw materials.
    Type: Grant
    Filed: January 28, 2006
    Date of Patent: April 13, 2010
    Inventor: Fusheng Xie
  • Patent number: 7563357
    Abstract: A process for steam cracking liquid hydrocarbon feedstocks containing synthetic crude oil comprises i) hydroprocessing a wide boiling range aliquot containing a) normally liquid hydrocarbon portion substantially free of resids and b) thermally cracked hydrocarbon liquid, boiling in a range from about 600° to about 1050° F., to provide a synthetic crude oil substantially free of resids; ii) adding to the synthetic crude oil a normally liquid hydrocarbon component boiling in a range from about 100° to about 1050° F.; and iii) cracking the mixture resulting from ii) in a cracker furnace comprising a radiant coil outlet to provide a cracked effluent, wherein the cracking is carried out under conditions sufficient to effect a radiant coil outlet temperature which is greater than the optimum radiant coil outlet temperature for cracking the synthetic crude oil separately. A method for upgrading synthetic crude for use in cracking is also provided, as well as a feedstock for cracking.
    Type: Grant
    Filed: January 26, 2007
    Date of Patent: July 21, 2009
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Paul F Keusenkothen, James N McCoy, James Earl Graham, Chad David Reimann
  • Publication number: 20090000906
    Abstract: Disclosed is an apparatus for recovery power from an FCC product. Gaseous hydrocarbon product from an FCC reactor is heat exchanged with a heat exchange media which is delivered to an expander to generate power. Cycle oil from product fractionation may be added to the gaseous FCC product to wash away coke precursors.
    Type: Application
    Filed: June 29, 2007
    Publication date: January 1, 2009
    Inventor: John A. Petri
  • Patent number: 7407571
    Abstract: A novel apparatus for producing sweet synthetic crude from a heavy hydrocarbon feed includes: an upgrader for receiving the heavy hydrocarbon feed and producing a distillate fraction including sour products, and high-carbon content by-products; a gasifier for receiving the high-carbon content by-products and producing synthetic fuel gas and sour by-products; a hydroprocessing unit for receiving the sour by-products and hydrogen gas, thereby producing gas and sweet crude; and a hydrogen recovery unit for receiving the synthetic fuel gas and producing further hydrogen gas and hydrogen-depleted synthetic fuel gas, the further hydrogen gas being supplied to the hydroprocessing unit.
    Type: Grant
    Filed: December 24, 2002
    Date of Patent: August 5, 2008
    Assignee: Ormat Industries Ltd.
    Inventors: Philip Rettger, Randall Goldstein, Jim Arnold, Yoram Bronicki, J. Robert Friday
  • Publication number: 20070193852
    Abstract: A Fuel Fractionation System (FFS) and associated methods to generate and store a fuel for internal combustion engines is provided. FFS provides a distillation column assembly to distill liquid fuel to form a volatile light fraction secondary fuel. The distillation column assembly includes a vaporization module to vaporize a feed fuel in the distillation column and includes a condensation module to condense heavy fraction components of the vaporized feed fuel. FFS also provides a controller positioned to control the vaporization of feed fuel in the distillation column to thereby control the separation of the feed fuel into light fraction fuel and heavy fraction fuel components, and positioned to control the condensation of the heavy fraction components so that fuel exiting a light fraction output port in the distillation column is substantially light fraction fuel components by volume.
    Type: Application
    Filed: February 16, 2007
    Publication date: August 23, 2007
    Inventors: Marcus Ashford, Ron Matthews
  • Publication number: 20040118745
    Abstract: A novel apparatus for producing sweet synthetic crude from a heavy hydrocarbon feed comprising: an upgrader for receiving said heavy hydrocarbon feed and producing a distillate fraction including sour products, and high-carbon content by-products; a gasifier for receiving the high-carbon content by-products and producing synthetic fuel gas and sour by-products; a hydroprocessing unit for receiving the sour by-products and hydrogen gas, thereby producing gas and sweet crude; and a hydrogen recovery unit for receiving said synthetic fuel gas and producing further hydrogen gas and hydrogen-depleted synthetic fuel gas, said further hydrogen gas being supplied to said hydroprocessing unit.
    Type: Application
    Filed: February 4, 2004
    Publication date: June 24, 2004
    Inventors: Philip Rettger, Randall Goldstein, Jim Arnold, Yoram Bronicki, J Robert Friday
  • Patent number: 6702936
    Abstract: A novel apparatus for producing sweet synthetic crude from a heavy hydrocarbon feed comprising: an upgrader for receiving said heavy hydrocarbon feed and producing a distillate fraction including sour products, and high-carbon content by-products; a gasifier for receiving the high-carbon content by-products and producing synthetic fuel gas and sour by-products; a hydroprocessing unit for receiving the sour by-products and hydrogen gas, thereby producing gas and sweet crude; and a hydrogen recovery unit for receiving said synthetic fuel gas and producing further hydrogen gas and hydrogen-depleted synthetic fuel gas, said further hydrogen gas being supplied to said hydroprocessing unit.
    Type: Grant
    Filed: December 26, 2001
    Date of Patent: March 9, 2004
    Assignee: Ormat Industries Ltd.
    Inventors: Philip Rettger, Randall Goldstein, Jim Arnold
  • Patent number: 6630189
    Abstract: A process for fractionating an oil composition containing at least 50% by weight of partial diglycerides into a solid portion and a liquid portion, which includes dissolving an emulsifier in the oil composition, cooling the solution to deposit crystals and then conducting solid-liquid separation. The process permits easily fractionating the oil composition into a solid oil composition and a liquid oil composition.
    Type: Grant
    Filed: July 9, 2001
    Date of Patent: October 7, 2003
    Assignee: Kao Corporation
    Inventors: Masakatsu Sugiura, Minoru Kase, Hiroaki Yamaguchi, Naoto Yamada
  • Patent number: 6274003
    Abstract: Upgrading of a hydrocarbon feed containing sulfur, metals, and asphaltenes involves applying the feed to a distillation column for producing a substantially asphaltene-free, and metal-free fraction and a non-distilled fraction containing sulfur, asphaltenes, and metals. At least some of the substantially asphaltene-free, and metal-free distillate fraction is converted to a hydrogen donor diluent. The non-distilled fraction is processed in a solvent deasphalting unit for producing a deasphalted oil stream and an asphaltene stream. After a combined stream is formed from the hydrogen donor diluent and the deasphalted oil stream, the combined stream is thermally cracked forming a thermally cracked stream that is applied to the distillation column.
    Type: Grant
    Filed: September 3, 1998
    Date of Patent: August 14, 2001
    Assignee: Ormat Industries Ltd.
    Inventors: J. Robert Friday, Philip B. Rettger, Randall S. Goldstein
  • Patent number: 5824194
    Abstract: An improved coker fractionator system which permits withdrawing, from selected ports in the fractionator, streams of selected boiling point ranges for recovery of thermal energy and for altering the liquid vapor loading within the column for more efficient fractionation within the column. The system includes the provision of one or more ports in a fractionation column between the light coker gas oil draw and the heavy coker gas oil draw connected to either a thermal energy recovery pump-around system or a recycle system for returning a stream to the coker furnace feed stream.
    Type: Grant
    Filed: January 7, 1997
    Date of Patent: October 20, 1998
    Assignee: Bechtel Corporation
    Inventor: Charles J. Kruse
  • Patent number: 5645692
    Abstract: A method and apparatus for stabilizing crude oil at the outlet of a well, including at least one separation step wherein the crude oil is pressure distilled in at least one distillation column into at least two cuts, i.e., a C.sub.1-5 hydrocarbon gas cut recovered at the top of the column and a stabilized crude oil cut recovered below the point where the original crude oil was injected into the column. The method advantageously includes at least one decompression step before the separation step.
    Type: Grant
    Filed: June 26, 1995
    Date of Patent: July 8, 1997
    Assignee: Elf Aquitaine Production
    Inventors: Jean-Paul Gourlia, Jacques Tournier Lasserve, Georges Bihn-Cirlot, Jean Vandermeersch
  • Patent number: 5527449
    Abstract: Waste lubricating oil, vegetable oil and animal fat are reprocessed into commercially usable diesel fuel and naphtha by thermocracking. A thermocracker unit is fired with sludge removed from the principal pool of oil or fat undergoing vaporization. The vapors are separated from liquids in a primary distillation tower with precisely controlled heating. Resultant vapors are partially condensed. Resultant liquids flow downward through a secondary distillation tower into a reboiler which is heated by a flue gas bypass with an auxiliary burner. Vapors leaving the secondary distillation tower are partially condensed and resultant fluids are passed to a light ends flash tank. Gases from the flash tank fuel the auxiliary burner. Liquids are collected and stored for selling as naphtha. Hot liquids are withdrawn from the reboiler and are immediately cooled to atmospheric conditions. Liquids within specification are stored in a diesel storage tank for further use and sale.
    Type: Grant
    Filed: October 26, 1994
    Date of Patent: June 18, 1996
    Assignee: Stanton D. Brown
    Inventors: Stanton D. Brown, Michael M. Wentworth, Ronald D. Marstaller, Jerry A. Bullin
  • Patent number: 5362381
    Abstract: Waste lubricating oil is reprocessed into commercially usable diesel fuel and naphtha by thermocracking. A thermocracker unit is fired with sludge removed from the principal pool of oil undergoing vaporization. The vapors are separated from liquids in a primary distillation tower with precisely controlled heating. Resultant vapors are partially condensed. Resultant liquids flow downward through a secondary distillation tower into a reboiler which is heated by a flue gas bypass with an auxiliary burner. Vapors leaving the secondary distillation tower are partially condensed and resultant fluids are passed to a light ends flash tank. Gases from the flash tank fuel the auxiliary burner. Liquids are collected and stored for selling as naphtha. Hot liquids are withdrawn from the reboiler and are immediately cooled to atmospheric conditions. Liquids within specification are stored in a diesel storage tank for further use and sale.
    Type: Grant
    Filed: March 25, 1993
    Date of Patent: November 8, 1994
    Assignee: Stanton D. Brown
    Inventors: Stanton D. Brown, Michael M. Wentworth, Ronald D. Marstaller, Jerry A. Bullin
  • Patent number: 5224351
    Abstract: This column, of the type having a cross-undulating lining, includes means for returning liquid to the vicinity of the edges of the lining and liquid and gas distribution means which contribute to decrease substantially the height of the column. Application to plants for separating gases from air.
    Type: Grant
    Filed: December 5, 1991
    Date of Patent: July 6, 1993
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Pierre Jeannot, Jean-Yves Lehman
  • Patent number: 5207065
    Abstract: The present invention provises a method and apparatus for separating a gas mixture. In accordance therewith, the gas mixture is rectified in a dephlegmator. The dephlegmator has first and second sets of heat exchange passages which are in a heat exchange relationship with the gas mixture being rectified. A stream of a first heat exchange fluid is passed through a first of the set of heat exchange passages so as to condense some of the gas mixture. A stream of a second heat exchange fluid is sub-cooled by passage through a second set of the heat exchange passages.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: May 4, 1993
    Assignee: The BOC Group, Inc.
    Inventors: John T. Lavin, Thomas Rathbone
  • Patent number: 5167773
    Abstract: A distillation tower (1) has a plurality of liquid sidestream lines (5, 6, 7) and a multi-stage sidestream stripper (13) which includes a respective stripping section (14, 15, 16) for each sidestream line housed in a common, upright, cylindrical shell (28) which allows vapor to pass freely from each stage to the one above. Partial vaporization of each sidestream is achieved by applying a vacuum to the top of the stripper shell (point 21) and/or introducing strip gas at the bottom (point 20). Because the vapor passes serially through the stripping sections from the bottom of the stripper (13) to the top, the need to supply strip gas separately to the stripping sections and/or apply vacuum individually is avoided. The separation between the sidestream products is improved by including, in each stage, a rectification zone (22, 23, 24) positioned above the stripping section.
    Type: Grant
    Filed: January 16, 1990
    Date of Patent: December 1, 1992
    Assignee: Exxon Research and Engineering Co.
    Inventors: James D. Eagan, Adrianus Welmers
  • Patent number: 4839108
    Abstract: A liquid distribution device for more uniformly distributing a liquid to packed beds is composed of a box-pipe distributor, for the delivery of liquid to a pan distributor having a deck and risers postioned on the deck, with ells contained in the risers. The ells direct liquid axially through the risers so that gas/liquid interaction is minimized. The pan distributor also includes a plurality of holes positioned about the risers and a set of wall-ells about the periphery of the pan for more completely and uniformly distributing a liquid to packed beds positioned beneath the liquid distribution device.
    Type: Grant
    Filed: December 21, 1987
    Date of Patent: June 13, 1989
    Assignee: Mobil Oil Corp.
    Inventor: Frank C. Silvey
  • Patent number: 4621724
    Abstract: A fractionator for yielding petroleum products in association with a delayed coking process includes a bottom having a pool of petroleum residue and recycle liquid, a flash zone above the pool, an inlet line for conveying to the flash zone product vapors which are relatively warm with respect to the pool, and a baffle positioned between the flash zone and the pool to isolate the relatively warm product vapors from the pool and, thereby, reduce condensation of the product vapors. The fractionator also includes a wash zone, above the flash zone, in which the product vapors condense, and a downwardly pointed frustoconical element, an annular trough and an arrangement of conduits for conducting the condensed recycle liquid from the wash zone to the pool, out of contact with the product vapors in the flash zone.
    Type: Grant
    Filed: September 13, 1984
    Date of Patent: November 11, 1986
    Assignee: Foster Wheeler Energy Corporation
    Inventors: Rino L. Godino, Robert R. DeBiase
  • Patent number: 4618051
    Abstract: Method and apparatus for fractionating a hot vaporous hydrocarbon feed from a fluid catalytic cracking reactor wherein the hot vaporous feed is introduced into a fractionator zone near one end thereof and liquid is removed from a liquid collection zone and cooled in a heat extraction zone. A first portion of the cooled liquid is returned to a location between the liquid collection zone and the point of introduction of the vaporous feed and sprayed directly on hot condensed liquid flowing downwardly over an inclined baffle plate to quickly quench the liquid below the temperature at which polymerization of the constituents of the liquid can occur.
    Type: Grant
    Filed: May 23, 1985
    Date of Patent: October 21, 1986
    Assignee: Phillips Petroleum Company
    Inventor: Frank W. Skraba
  • Patent number: 4405449
    Abstract: A vapor-liquid contacting process is disclosed which may be used in gas treating, absorption or in fractional distillation. The process is characterized by the utilization of a liquid support plate (tray) having a flat vapor-liquid contacting area formed by uniformly spaced parallel members which provide long narrow passages for the rising vapor. The process is especially useful when a low pressure drop through the liquid support plate or a high tendency of the liquid support plate to prevent weeping is desired. The process allows higher operating capacity than the use of valve-type liquid support valves.
    Type: Grant
    Filed: April 30, 1982
    Date of Patent: September 20, 1983
    Assignee: Procon International Inc.
    Inventor: John E. Trager
  • Patent number: RE38366
    Abstract: A method and apparatus for re-refining used oil, in which the used oil is processed in at least one cyclonic vacuum evaporator comprising a void evaporation chamber (4) into which feedstock is tangentially injected, and in which a fraction of the feedstock is condensed in a spray condenser (7) communicating with the evaporation chamber (4).
    Type: Grant
    Filed: September 19, 2000
    Date of Patent: December 30, 2003
    Assignee: Avista Resources, Inc.
    Inventor: Kalevi John Kenton
  • Patent number: RE36577
    Abstract: This column, of the type having a cross-undulating lining, includes means for returning liquid to the vicinity of the edges of the lining and liquid and gas distribution means which contribute to decrease substantially the height of the column. Application to plants for separating gases from air.
    Type: Grant
    Filed: July 3, 1995
    Date of Patent: February 22, 2000
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Pierre Jeannot, Jean-Yves Lehman