With Solid Absorbents Patents (Class 208/91)
  • Patent number: 11760943
    Abstract: A process for upgrading a hydrocarbon feed includes contacting the hydrocarbon feed with steam in the presence of a cracking catalyst in a steam catalytic cracking reactor at reaction conditions sufficient to cause at least a portion of hydrocarbons in the hydrocarbon feed to undergo one or more cracking reactions to produce a steam catalytic cracking effluent comprising light olefins, light aromatic compounds, or both, where the cracking catalyst comprises a ZSM-11 zeolite.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: September 19, 2023
    Assignees: Saudi Arabian Oil Company, King Fahd University of Petroleum and Minerals
    Inventors: Aaron Chi Akah, Ziyauddin S. Qureshi, Abdullah M. Aitani, Siddiqui M. Abdulbari
  • Patent number: 11549065
    Abstract: A process for treating a hydrocarbon stream to remove polynuclear aromatic (PNA) and heavy polynuclear aromatic (HPNA) compounds includes contacting the hydrocarbon stream with an adsorbent in an adsorption unit to adsorb the PNA and HPNA compounds onto the adsorbent to produce a treated hydrocarbon stream and regenerating the adsorbent. Regenerating the adsorbent may include contacting the adsorbent with a solvent comprising a disulfide oil, such as a disulfide oil effluent from a mercaptan oxidation unit. The solvent comprising the disulfide oil desorbs the PNA and HPNA compounds from the adsorbent into the solvent to produce a desorption effluent. The treated hydrocarbon stream can be passed to a hydrocracking unit that hydrocracks the treated hydrocarbon stream to produce a hydrocracker effluent that includes greater value petrochemical products or intermediates.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: January 10, 2023
    Assignee: Saudi Arabian Oil Company
    Inventors: Omer Refa Koseoglu, Ali Alzaid
  • Patent number: 11286425
    Abstract: A method for preparing needle coke for ultra-high power (UHP) electrodes from heavy oil is provided. In this method, heavy oil is used as a raw material. The size exclusion chromatography (SEC) is conducted with polystyrene (PS) as a packing material to separate out specific components with a relative molecular weight of 400 to 1,000. The ion-exchange chromatography (IEC) is conducted to remove acidic and alkaline components to obtain a neutral raw material. The neutral raw material is subjected to two-stage consecutive carbonization to obtain green coke, and the green coke is subjected to high-temperature calcination to obtain the needle coke for UHP electrodes. The needle coke has a true density of more than 2.13 g/cm3 and a coefficient of thermal expansion (CTE) of ?1.15×10?6/° C. at 25° C. to 600° C.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: March 29, 2022
    Assignee: CHINA UNIVERSITY OF PETROLEUM
    Inventors: Dong Liu, Xin Gong, Bin Lou, Jun Li, Hui Du, Zhihao Li
  • Patent number: 11173482
    Abstract: Supplemental heat required to raise the temperature of a regenerated catalyst to the minimum required to promote the catalyzed reaction in an FCC unit is provided by introducing adsorbent material containing HPNA compounds and HPNA precursors with the coked catalyst into the FCC catalyst regeneration unit for combustion. The HPNA compounds and HPNA precursors can be adsorbed on either a carbonaceous adsorbent, such as activated carbon, that is completely combustible and generates no ash, or on fresh or coked FCC catalyst that is recovered from an HPNA adsorption column that has treated the bottoms from a hydrocracking unit to remove the HPNA compounds and their precursors.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: November 16, 2021
    Assignee: SAUDI ARABIAN OIL COMPANY
    Inventor: Omer Refa Koseoglu
  • Patent number: 10920157
    Abstract: A process for the treatment of a hydrocracking unit bottoms recycle stream, and preferably the fresh hydrocracker feed to remove heavy poly-nuclear aromatic (HPNA) compounds and HPNA precursors employs, in the alternative, an adsorption step which removes most of the HPNA compounds followed by an ionic liquid extraction step to remove the remaining HPNA compounds, or a first ionic liquid extraction step which removes most of the HPNA compounds followed by an adsorption step to remove the remaining HPNA compounds. Ionic liquids of the general formula Q+A? are identified for use in the process; organic polar solvents are identified for removal of the HPNA compounds in solution. Suitable adsorbents are identified for use in packed bed or slurry bed columns that operate within specified temperature and pressure ranges.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: February 16, 2021
    Assignee: Saudi Arabian Oil Company
    Inventor: Omer Refa Koseoglu
  • Patent number: 10011780
    Abstract: Methods for reducing impurities and improving color in liquid hydrocarbon products (e.g., diesel fuel) are provided herein.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: July 3, 2018
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Paul Podsiadlo, Lei Zhang, Kiara M. Benitez, Himanshu Gupta, Darryl D. Lacy, Scott J. Weigel, Xiaochun Xu
  • Patent number: 9242235
    Abstract: Useful portions of equilibrium catalyst from a Fluid Catalytic Cracking unit are obtained by fractionating to obtain a narrow size fraction, followed by separation of the narrow size fraction using density as a fractionating criterion. Size fractionating may be performed in vibrating sieves, and the density fractionating may be performed in an air cyclone. Both beneficial and detrimental fractions can be identified; in one embodiment, large particles are removed from ECAT to improve the coking factor.
    Type: Grant
    Filed: May 18, 2010
    Date of Patent: January 26, 2016
    Assignee: Integrated & Proven Catalyst Technologies Corp.
    Inventor: Augusto R. Quinones
  • Publication number: 20150136660
    Abstract: A process for removing at least one contaminant from coal tar is described. The process involves extraction with an extraction agent or adsorption with an adsorbent. The extraction agent includes at least one of amphiphilic block copolymers, inclusion complexes of poly(methyl methacrylate) and polycyclic aromatic hydrocarbons, cyclodextrins, functionalized cyclodextrins, and cyclodextrin-functionalized polymers, and the adsorbent includes exfoliated graphite oxide, thermally exfoliated graphite oxide or intercalated graphite compounds.
    Type: Application
    Filed: August 28, 2014
    Publication date: May 21, 2015
  • Publication number: 20150136654
    Abstract: A process for treating a pitch fraction from coal tar is described. The pitch fraction is contacted with a solvent, an extraction agent, or an adsorbent to remove at least one contaminant, such as oxygenate compounds, nitrogen containing compounds, and sulfur containing compounds. The solvent can be an ionic liquid, the extraction agent can be at least one of amphiphilic block copolymers, cyclodextrins, functionalized cyclodextrins, and cyclodextrin-functionalized polymers, and the adsorbent can be exfoliated graphite oxide, thermally exfoliated graphite oxide or intercalated graphite compounds.
    Type: Application
    Filed: August 28, 2014
    Publication date: May 21, 2015
  • Patent number: 9023192
    Abstract: A delayed coking process includes: a. introducing a fresh hydrocarbon feedstock containing undesirable sulfur and/or nitrogen compounds for preheating into the lower portion of a coking unit product fractionator; b. introducing at least a portion of an intermediate fraction derived from the fractionator and at least one adsorbent material that selectively adsorbs sulfur- and/or nitrogen-containing compounds into a mixing zone to form an adsorbent slurry stream; c. discharging a bottoms fraction from the fractionator; d. adding all or a portion of the slurry stream to the bottoms fraction to form a mixed coking unit feedstream; e. heating the mixed feedstream in the coking unit furnace to a predetermined coking temperature; and f. passing the heated mixed feedstream to a drum of the delayed coking to produce a delayed coking product stream while depositing the adsorbent material having adsorbed sulfur and/or nitrogen compounds with the coke in the coking drum.
    Type: Grant
    Filed: June 26, 2012
    Date of Patent: May 5, 2015
    Assignee: Saudi Arabian Oil Company
    Inventor: Omer Refa Koseoglu
  • Patent number: 8940957
    Abstract: A method of removing heterocyclic sulfide impurities from a fluid stream is presented. The method comprises contacting the fluid stream with a sorbent comprising metallic copper.
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: January 27, 2015
    Assignee: UOP LLC
    Inventors: Vladislav Ivanov Kanazirev, Stephen Caskey, Thomas Traynor, Dante Simonetti
  • Publication number: 20140360918
    Abstract: A hydrocracking process is provided for treating a first heavy hydrocarbon feedstream and a second heavy hydrocarbon feedstream, in which the first heavy hydrocarbon feedstream contains undesired nitrogen-containing compounds, sulfur-containing compounds and poly-nuclear aromatic compounds. The process includes contacting the first heavy hydrocarbon feedstream with adsorbent material to produce an adsorbent-treated heavy hydrocarbon stream having a reduced content of nitrogen-containing, sulfur-containing compounds and poly-nuclear aromatic compounds. The second heavy hydrocarbon feedstream is combined with the adsorbent-treated heavy hydrocarbon stream. The combined stream is charged to a hydrocracking reaction unit. The hydrocracked effluent is fractioned to recover hydrocracked products and a bottoms stream containing heavy poly-nuclear aromatic compounds.
    Type: Application
    Filed: August 27, 2014
    Publication date: December 11, 2014
    Inventor: Omer Refa KOSEOGLU
  • Patent number: 8888993
    Abstract: A method is disclosed for removing impurities such as nitrogen and/or sulfur compounds from a hydrocarbon feed, in which the feed is contacted with an adsorbent including a nitrogen-containing organic heterocyclic salt deposited on a porous support, e.g., a supported ionic liquid. Additionally, a method for hydrotreating a hydrocarbon feed which includes a hydroprocessing step is disclosed, wherein prior to hydroprocessing, the feed is contacted with an adsorbent including a supported ionic liquid. Additionally, a method for producing a lube oil which includes isomerization dewaxing of a base oil fraction is disclosed, wherein prior to the isomerization dewaxing step, the base oil fraction is contacted with an adsorbent including a supported ionic liquid. In one embodiment, the adsorbent is regenerated to restore its treatment capacity.
    Type: Grant
    Filed: July 12, 2011
    Date of Patent: November 18, 2014
    Assignee: Chevron U.S.A. Inc.
    Inventors: Akshay Verma, Bi Zeng Zhan, Zunqing He, Zhen Zhou, Marcus Dutra e Mellon, Sheila Yeh
  • Patent number: 8828219
    Abstract: A hydrocracking process for treating a first and a second heavy hydrocarbon feedstream, in which the first heavy hydrocarbon feedstream contains undesired nitrogen-containing compounds, sulfur-containing compounds and poly-nuclear aromatic compounds. The process includes contacting the first heavy hydrocarbon feedstream with adsorbent material to produce a hydrocarbon stream having a reduced content of nitrogen-containing, sulfur-containing compounds and poly-nuclear aromatic compounds. The second heavy hydrocarbon feedstream is combined with the adsorbent-treated heavy hydrocarbon stream. The combined stream is charged to a hydrocracking reaction unit.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: September 9, 2014
    Assignee: Saudi Arabian Oil Company
    Inventor: Omer Refa Koseoglu
  • Publication number: 20140021094
    Abstract: Heavy hydrocarbons contained in FT off gas of a GTL process are removed by bringing the FT off gas into contact with absorption oil, by introducing the FT off gas into a distillation tower, by cooling the FT off gas or by driving the FT off gas into an adsorbent. A burner tip for heating a reformer tube, using FT off gas as fuel, is prevented from being plugged by the deposition of heavy hydrocarbons contained in the FT off gas.
    Type: Application
    Filed: March 31, 2011
    Publication date: January 23, 2014
    Applicants: JAPAN OIL, GAS AND METALS NATIONAL CORPORATION, INPEX CORPORATION, JX NIPPON OIL & ENERGY CORPORATION, CHIYODA CORPORATION, COSMO OIL CO., LTD., NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD., JAPAN PETROLEUM EXPLORATION CO., LTD.
    Inventors: Kenichi Kawazuishi, Fuyuki Yagi, Shuhei Wakamatsu, Tomoyuki Mikuriya
  • Publication number: 20130062255
    Abstract: Deep desulfurization of hydrocarbon feeds containing undesired organosulfur compounds to produce a hydrocarbon product having low levels of sulfur, i.e., 15 ppmw or less of sulfur, is achieved by first subjecting the entire feed to an extraction zone to separate an aromatic-rich fraction containing a substantial amount of the aromatic refractory and sterically hindered sulfur-containing compounds and an aromatic-lean fraction containing a substantial amount of the labile sulfur-containing compounds. The aromatic-rich fraction is contacted with isomerization catalyst, and the isomerized aromatic-rich fraction and the aromatic-lean fraction are combined and contacted with a hydrotreating catalyst in a hydrodesulfurization reaction zone operating under mild conditions to reduce the quantity of organosulfur compounds to an ultra-low level.
    Type: Application
    Filed: July 27, 2012
    Publication date: March 14, 2013
    Inventor: Omer Refa Koseoglu
  • Publication number: 20130062257
    Abstract: Deep desulfurization of hydrocarbon feeds containing undesired organosulfur compounds to produce a hydrocarbon product having low levels of sulfur, i.e., 15 ppmw or less of sulfur, is achieved by flashing the feed at a target cut point temperature to obtain two fractions. A low boiling temperature fraction contains refractory, sterically hindered sulfur-containing compounds, which have a boiling point at or above the target cut point temperature. A high boiling temperature fraction, having a boiling point below the target cut point temperature, is substantially free of refractory sulfur-containing compounds. The high boiling temperature fraction is contacted with isomerization catalyst, and the isomerized effluent and the low boiling temperature fraction are combined and contacted with a hydrotreating catalyst in a hydrodesulfurization reaction zone operating under mild conditions to reduce the quantity of organosulfur compounds to an ultra-low level.
    Type: Application
    Filed: July 27, 2012
    Publication date: March 14, 2013
    Inventor: Omer Refa Koseoglu
  • Patent number: 8377287
    Abstract: The present invention is directed to the upgrading of heavy petroleum oils of high viscosity and low API gravity that are typically not suitable for pipelining without the use of diluents. The method comprises introducing a particulate heat carrier into an up-flow reactor, introducing the feedstock at a location above the entry of the particulate heat carrier, allowing the heavy hydrocarbon feedstock to interact with the heat carrier for a short time, separating the vapors of the product stream from the particulate heat carrier and liquid and byproduct solid matter, collecting a gaseous and liquid product mixture comprising a mixture of a light fraction and a heavy fraction from the product stream, and using a vacuum tower to separate the light fraction as a substantially bottomless product and the heavy fraction from the product mixture.
    Type: Grant
    Filed: March 11, 2008
    Date of Patent: February 19, 2013
    Assignee: Ivanhoe Energy, Inc.
    Inventors: Robert Graham, Barry Freel
  • Publication number: 20130026064
    Abstract: A delayed coking process includes: a. introducing a fresh hydrocarbon feedstock containing undesirable sulfur and/or nitrogen compounds for preheating into the lower portion of a coking unit product fractionator; b. introducing at least a portion of an intermediate fraction derived from the fractionator and at least one adsorbent material that selectively adsorbs sulfur- and/or nitrogen-containing compounds into a mixing zone to form an adsorbent slurry stream; c. discharging a bottoms fraction from the fractionator; d. adding all or a portion of the slurry stream to the bottoms fraction to form a mixed coking unit feedstream; e. heating the mixed feedstream in the coking unit furnace to a predetermined coking temperature; and f. passing the heated mixed feedstream to a drum of the delayed coking to produce a delayed coking product stream while depositing the adsorbent material having adsorbed sulfur and/or nitrogen compounds with the coke in the coking drum.
    Type: Application
    Filed: June 26, 2012
    Publication date: January 31, 2013
    Inventor: Omer Refa Koseoglu
  • Patent number: 8318004
    Abstract: A method and apparatus for producing a treated hydrocarbon containing stream for use as a feed to a hydrogen plant having a steam methane reformer in which an untreated hydrocarbon containing stream is introduced into two reaction stages connected in series to hydrogenate olefins and to convert organic sulfur species to hydrogen sulfide. The second of the two stages can also be operated in a pre-reforming mode to generate additional hydrogen through introduction of the oxygen and steam into such stage. A sulfur tolerant catalyst is used in both stages to promote hydrogenation and oxidation reactions. Sulfur is removed between stages by adsorption of the hydrogen sulfide to prevent deactivation of the catalyst in the second of the stages that would otherwise occur during operation of the second reaction stage in a pre-reforming mode of operation.
    Type: Grant
    Filed: August 4, 2009
    Date of Patent: November 27, 2012
    Assignee: Praxair Technology, Inc.
    Inventors: Raymond Francis Drnevich, Vasilis Papavassiliou, Troy M. Raybold, Perry Raymond Pacouloute
  • Patent number: 8273243
    Abstract: The invention describes an improved process for deep desulfurization of a gas-oil-type hydrocarbon fraction that comprises a catalytic hydrodesulfurization unit that is preceded by a unit for adsorption of the nitrogen compounds that inhibit the hydrodesulfurization reaction.
    Type: Grant
    Filed: February 14, 2008
    Date of Patent: September 25, 2012
    Assignee: IFP Energies nouvelles
    Inventors: Alexandre Nicolaos, Patrick Briot, Danielle Richard
  • Publication number: 20120187027
    Abstract: A hydrocracking process is provided for treating a first heavy hydrocarbon feedstream and a second heavy hydrocarbon feedstream, in which the first heavy hydrocarbon feedstream contains undesired nitrogen-containing compounds, sulfur-containing compounds and poly-nuclear aromatic compounds. The process includes contacting the first heavy hydrocarbon feedstream with adsorbent material to produce an adsorbent-treated heavy hydrocarbon stream having a reduced content of nitrogen-containing, sulfur-containing compounds and poly-nuclear aromatic compounds. The second heavy hydrocarbon feedstream is combined with the adsorbent-treated heavy hydrocarbon stream. The combined stream is charged to a hydrocracking reaction unit. The hydrocracked effluent is fractioned to recover hydrocracked products and a bottoms stream containing heavy poly-nuclear aromatic compounds.
    Type: Application
    Filed: January 24, 2011
    Publication date: July 26, 2012
    Inventor: Omer Refa KOSEOGLU
  • Publication number: 20120024756
    Abstract: A method is disclosed for removing impurities such as nitrogen and/or sulfur compounds from a hydrocarbon feed, in which the feed is contacted with an adsorbent including a nitrogen-containing organic heterocyclic salt deposited on a porous support, e.g., a supported ionic liquid. Additionally, a method for hydrotreating a hydrocarbon feed which includes a hydroprocessing step is disclosed, wherein prior to hydroprocessing, the feed is contacted with an adsorbent including a supported ionic liquid. Additionally, a method for producing a lube oil which includes isomerization dewaxing of a base oil fraction is disclosed, wherein prior to the isomerization dewaxing step, the base oil fraction is contacted with an adsorbent including a supported ionic liquid. In one embodiment, the adsorbent is regenerated to restore its treatment capacity.
    Type: Application
    Filed: July 12, 2011
    Publication date: February 2, 2012
    Inventors: Akshay Verma, Bi-Zeng Zhan, Zunqing He, Zhen Zhou, Marcus Dutra e Mellon, Sheila Yeh
  • Publication number: 20120024751
    Abstract: A denitrification method is disclosed for removing nitrogen compounds from a hydrocarbon feed in which the feed is contacted with an adsorbent including an organic heterocyclic salt deposited on a porous support. Additionally, a method for hydrotreating a hydrocarbon feed which includes a hydroprocessing step is disclosed, wherein prior to hydroprocessing, the feed is contacted with an adsorbent including an organic heterocyclic salt deposited on a support. Additionally, a method for producing a lube oil which includes isomerization dewaxing of a base oil fraction is disclosed, wherein prior to the isomerization dewaxing step, the base oil fraction is contacted with an adsorbent including an organic heterocyclic salt deposited on a support.
    Type: Application
    Filed: July 30, 2010
    Publication date: February 2, 2012
    Inventors: Zunqing He, Akshay Verma, Bi-Zeng Zhan, Zhen Zhou
  • Patent number: 8057661
    Abstract: A process is disclosed for removing highly deleterious non-basic nitrogen compounds upstream from an acid catalyzed thiophene alkylation process using adsorbents capable of adsorbing the non-basic nitrogen compounds.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: November 15, 2011
    Assignee: BP Corporation North America Inc.
    Inventors: Kenneth Paul Keckler, Avelino Corma, Thomas Knox, Paul Greenough, Michael Graham Hodges
  • Patent number: 7993513
    Abstract: The invention concerns a fixed bed process for capturing arsenic and for desulphurizing a hydrocarbon fraction comprising olefins, sulphur and arsenic, said process comprising a step a) for bringing a capture mass into contact with said hydrocarbon fraction in the presence of hydrogen, the ratio between the flow rate of hydrogen and the flow rate of the hydrocarbon fraction being in the range 50 to 800 Nm3/m3, the operating temperature being in the range 200° C. to 400° C., the operating pressure being in the range 0.2 to 5 MPa. The capture mass comprises molybdenum in a sulphurized form, nickel in a sulphurized form and at least one porous support selected from the group constituted by aluminas, silica, silica-aluminas, titanium oxide and magnesium oxide. The nickel content is in the range 10% to 28% by weight and the molybdenum content is in the range 0.3% to 2.1% by weight.
    Type: Grant
    Filed: November 13, 2008
    Date of Patent: August 9, 2011
    Assignee: IFP Energies Nouvelles
    Inventors: Florent Picard, Vincent Coupard, Elodie Devers
  • Patent number: 7867381
    Abstract: A feedstream to an FCC unit is treated to remove or reduce the content of polynuclear aromatics and nitrogen-containing compounds by contacting the feedstream with an adsorbent compound selected from attapulgus clay, alumina, silica gel and activated carbon in a fixed bed or slurry column and separating the treated feedstream that is lower in the undesired compounds from the adsorbent material. The adsorbent can be mixed with a solvent for the undesired compounds and stripped for re-use.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: January 11, 2011
    Assignee: Saudi Arabian Oil Company
    Inventor: Omer Refa Koseoglu
  • Publication number: 20100326886
    Abstract: The service life and deactivation rate of a paraffin isomerization catalyst is improved through use of a new sulfur guard bed containing a chloride additive. This sulfur guard bed, which contains supported CuO material having an increased resistance to reduction, shows such improvement. Thus, the danger of run-away reduction followed by a massive release of water and deactivation of an isomerization catalyst is practically eliminated. The fact that the guard bed material preserves the active metal phase-copper in an active (oxide) form is an important advantage leading to very low sulfur content in the product stream. The sulfur capacity per unit weight of sorbent is also significantly increased, making this sorbent a superior cost effective sulfur guard product.
    Type: Application
    Filed: June 7, 2010
    Publication date: December 30, 2010
  • Publication number: 20100300935
    Abstract: The invention describes an improved process for deep desulfurization of a gas-oil-type hydrocarbon fraction that comprises a catalytic hydrodesulfurization unit that is preceded by a unit for adsorption of the nitrogen compounds that inhibit the hydrodesulfurization reaction.
    Type: Application
    Filed: February 14, 2008
    Publication date: December 2, 2010
    Inventors: Alexandre Nicolaos, Patrick Briot, Danielle Richard
  • Patent number: 7833409
    Abstract: A method for treating fuel containing vanadium including extracting vanadium from the fuel with an adsorption material and fractionating the fuel into a light oil fraction and a heavy fuel fraction. The light fuel fraction has a reduced amount of vanadium. Systems for fuel preparation are also provided.
    Type: Grant
    Filed: August 30, 2007
    Date of Patent: November 16, 2010
    Assignee: General Electric Company
    Inventors: Parag Prakash Kulkarni, Gregg Anthony Deluga, Arnaldo Frydman, Gregory Ronald Gillette, Narendra Joshi, Ke Liu, Vladimir Zamansky
  • Publication number: 20100264065
    Abstract: The process of the present invention is directed to the desulfurization of a sulfur-containing unrefined hydrocarbon stream with a membrane separation apparatus, where sulfur compounds are concentrated in a sulfur-rich stream on a permeate side of the membrane, and a sulfur-lean stream is recovered as a retentate. The sulfur-rich stream, which has a small volume relative to the original unrefined hydrocarbon stream, is conveyed to a subsequent desulfurization apparatus or system, such as a hydrotreating system, to recover the hydrocarbons associated with the organosulfur compounds. The stream desulfurized by conventional processes, such as hydrotreating, and the hydrocarbons desulfurized by the membrane separation apparatus may be combined to provide a low sulfur hydrocarbon effluent with minimal or no loss of the original volume.
    Type: Application
    Filed: December 23, 2008
    Publication date: October 21, 2010
    Inventors: Esam Zaki Hamad, Ahmad Abdullah Bahamdan
  • Publication number: 20100252483
    Abstract: A feedstream to an FCC unit is treated to remove or reduce the content of polynuclear aromatics and nitrogen-containing compounds by contacting the feedstream with an adsorbent compound selected from attapulgus clay, alumina, silica gel and activated carbon in a fixed bed or slurry column and separating the treated feedstream that is lower in the undesired compounds from the adsorbent material. The adsorbent can be mixed with a solvent for the undesired compounds and stripped for re-use.
    Type: Application
    Filed: May 28, 2010
    Publication date: October 7, 2010
    Inventor: Omer Refa KOSEOGLU
  • Publication number: 20100176029
    Abstract: Methods and apparatus relate to reducing content of nitrogen-containing compounds within slurry oil using a chromatographic based assembly, which may not affect aromatic content, prior to feeding the slurry oil into a coking system. The slurry oil passes through the chromatographic based assembly to upgrade the slurry oil and make the slurry oil suitable for feedstock in making needle coke. Further, a hydrotreater utilized in combination with the chromatographic based assembly may provide additional upgrading of the slurry oil.
    Type: Application
    Filed: January 9, 2009
    Publication date: July 15, 2010
    Applicant: ConocoPhillips Company
    Inventors: Ayyappan Subbiah, Tushar V. Choudhary
  • Publication number: 20100155297
    Abstract: A process for the removal of one or more nitrogen compounds, e.g. basic nitrogen compound from a fluid stream is described in which the fluid is contacted with a functionalized polymer fibre material having functional groups capable of reacting with the nitrogen compounds.
    Type: Application
    Filed: June 7, 2006
    Publication date: June 24, 2010
    Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
    Inventors: Peter John Herbert Carnell, Matthew John Cousins, Lucy Jane Challis
  • Publication number: 20100147745
    Abstract: A method for reducing the mercury content of natural gas condensate, comprising the steps of providing a nanofiltration membrane having a feed side and a permeate side; contacting the natural gas condensate with the feed side of the membrane; and obtaining a mercury-depleted natural gas condensate at the permeate side of the membrane; and a natural gas processing plant comprising a condensate workup section including a nanofiltration membrane separation unit for reducing the mercury content of natural gas condensate.
    Type: Application
    Filed: March 25, 2008
    Publication date: June 17, 2010
    Inventors: Johannes Leendert Willem Cornelis Den Boestert, Arian Nijmeijer, Cornelis Jacobus Smit
  • Publication number: 20090321312
    Abstract: Processes and systems are provided for removing contaminants from a vapor stream containing hydrocarbon and hydrogen, and can include: providing a feed stream to a first pressurized vapor liquid separator that produces a liquid stream and a vapor stream containing hydrocarbon and hydrogen, passing the vapor stream to an inlet of a particulate trap containing a plurality of treatment zones that remove contaminants from the vapor stream to produce a particulate trap effluent, and passing the particulate trap effluent directly to a catalytic hydrogenation zone. The processes and systems can also include: passing the liquid stream from the first pressurized vapor liquid separator to a second vapor liquid separator that produces an overhead vapor stream and a liquid bottoms stream, condensing the overhead vapor stream from the second vapor liquid separator to form a liquid overhead stream, routing the liquid overhead stream to the inlet of the particulate trap.
    Type: Application
    Filed: June 30, 2008
    Publication date: December 31, 2009
    Inventor: Tom N. Kalnes
  • Patent number: 7572365
    Abstract: The present invention is directed to the upgrading of heavy petroleum oils of high viscosity and low API gravity that are typically not suitable for pipelining without the use of diluents. It utilizes a short residence-time pyrolytic reactor operating under conditions that result in a rapid pyrolytic distillation with coke formation. Both physical and chemical changes taking place lead to an overall molecular weight reduction in the liquid product and rejection of certain components with the byproduct coke. The liquid product is upgraded primarily because of its substantially reduced viscosity, increased API gravity, and the content of middle and light distillate fractions. While maximizing the overall liquid yield, the improvements in viscosity and API gravity can render the liquid product suitable for pipelining without the use of diluents.
    Type: Grant
    Filed: October 11, 2002
    Date of Patent: August 11, 2009
    Assignee: Ivanhoe Energy, Inc.
    Inventors: Barry Freel, Jerry F. Kriz, Doug Clarke
  • Patent number: 7572362
    Abstract: The present invention is directed to the upgrading of heavy petroleum oils of high viscosity and low API gravity that are typically not suitable for pipelining without the use of diluents. It utilizes a short residence-time pyrolytic reactor operating under conditions that result in a rapid pyrolytic distillation with coke formation. Both physical and chemical changes taking place lead to an overall molecular weight reduction in the liquid product and rejection of certain components with the byproduct coke. The liquid product is upgraded primarily because of its substantially reduced viscosity, increased API gravity, and the content of middle and light distillate fractions. While maximizing the overall liquid yield, the improvements in viscosity and API gravity can render the liquid product suitable for pipelining without the use of diluents.
    Type: Grant
    Filed: April 17, 2003
    Date of Patent: August 11, 2009
    Assignee: Ivanhoe Energy, Inc.
    Inventors: Barry Freel, Jerry F. Kriz, Doug Clarke
  • Patent number: 7501054
    Abstract: A process for upgrading a diesel fuel, includes the steps of providing a diesel fuel feedstock; hydrogenating the feedstock at a pressure of less than about 600 psig so as to provide a hydrogenated product wherein a portion of the feedstock is converted to alkyl-naphthene-aromatic compounds; and selectively oxidizing the hydrogenated product in the presence of a catalyst so as to convert the alkyl-naphthene-aromatic compounds to alkyl ketones. A catalyst and oxygen-containing Diesel fuel are also provided.
    Type: Grant
    Filed: October 7, 2004
    Date of Patent: March 10, 2009
    Assignee: Intevep, S.A.
    Inventor: Roberto Galiasso
  • Patent number: 7381322
    Abstract: This invention provides a resid cracking apparatus comprising a riser, reactor, stripper cum separator with adjustable outlets in flow communication with adsorbent and catalyst regenerators for converting hydrocarbon residues containing higher concentration of conradson carbon content, poisonous metals such as nickel & vanadium and basic nitrogen etc., into lighter and valuable products and a process thereof.
    Type: Grant
    Filed: November 4, 2005
    Date of Patent: June 3, 2008
    Assignee: Indian Oil Corporation Limited
    Inventors: Kasliwal Pankaj, Rama Rao Marri, Dixit Jagdev Kumar, Saroya Latoor Lal, Sukumar Mandal, Satish Makhija, Sobhan Ghosh
  • Publication number: 20080105595
    Abstract: A feedstream to a hydrocracking unit is treated to remove or reduce the content of polynuclear aromatics and nitrogen-containing compounds by contacting the feedstream with an adsorbent compound selected from attapulgus clay, alumina, silica gel and activated carbon in a fixed bed or slurry column and separating the treated feedstream that is lower in the undesired compounds from the adsorbent material. The adsorbent can be mixed with a solvent for the undesired compounds and stripped for re-use.
    Type: Application
    Filed: November 6, 2006
    Publication date: May 8, 2008
    Inventor: Omer Refa Koseoglu
  • Publication number: 20070284284
    Abstract: The present invention relates to new crystalline molecular sieve SSZ-75 prepared using a tetramethylene-1,4-bis-(N-methylpyrrolidinium)dication as a structure-directing agent, and its use in catalysts for hydrocarbon conversion reactions.
    Type: Application
    Filed: June 1, 2007
    Publication date: December 13, 2007
    Inventors: Stacey I. Zones, Allen W. Burton, Theodorus Ludovicus Michael Maesen, Berend Smit, Edith Beerdsen
  • Patent number: 6848374
    Abstract: A system 26 for removing elemental mercury or mercury compounds handles carbonaceous sorbent 28 of a starter batch stored in a silo 30 in an agglomerated state. The sorbent 28 is fed by a feeder 32 to a separation device 34, which comminutes (if necessary) and de-agglomerates the sorbent particles 28 to their primary size distribution. This device 34 may be a particle-particle separator or a jet mill, where compressed air or high-pressure steam is the energy source. The de-agglomerated sorbent 28 of a contact batch created from the starter batch is conveyed by an airsteam for injection at a contact location 66 in a flue gas duct whereat carbonaceous sorbent of the contact batch adsorbs mercury from the flue gas.
    Type: Grant
    Filed: June 3, 2003
    Date of Patent: February 1, 2005
    Assignee: ALSTOM Technology Ltd
    Inventors: Srivats Srinivasachar, Shin G. Kang
  • Patent number: 6723229
    Abstract: A four stage process for producing high quality white oils, particularly food or medicinal grade mineral oils from mineral oil distillates. The first reaction stage employs a sulfur resistant hydrotreating catalyst and produces a product suitable for use as a high quality lubricating oil base stock. The second reaction stage employs a hydrogenation/hydrodesulfurization catalyst. The third stage employs a reduced metal sulfur sorbent producing a product stream which is low in aromatics and which has substantially “nil” sulfur. The final reaction stage employs a selective hydrogenation catalyst that produces a product suitable as a food or medicinal grade white oil.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: April 20, 2004
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Sylvain S. Hantzer, Jean Willem Beeckman, Stephen J. McCarthy, Arthur Paul Werner
  • Patent number: 6656344
    Abstract: A sequential processing for heavy petroleum residues is disclosed which uses a separate mixture of catalyst and adsorbent. The solid adsorbent and FCC (fluids catalytic cracking) catalyst particles differ significant at least on particle size or density or both. The adsorbent preferably consist of calcined coke or metal oxides of Al, Si, or Mg having enhanced ability of selectively capture different impurities of the residual oil. The adsorbent particles first treat the residual hydrocarbons in the riser bottom end subsequently the actual catalyst tales care of catalytic cracking in the upper section of the riser. The spent solid mixture is fed to the catalyst separator which uses steam at sufficiently high velocity but at lower temperature to lift the catalyst particles out of the separator. Such a novel low temperature faster separation minimizes Vanadium mobility and deactivation of the catalyst. A net coke stream is withdrawn from the separator/burner especially while processing residues above 5 wt % CCR.
    Type: Grant
    Filed: September 8, 2000
    Date of Patent: December 2, 2003
    Inventors: Marri Rama Rao, Vutukuru Lakshmi Narasimha Murthy, Sanjeev Singh, Asit Kumar Das, Sobhan Ghech, Debasis Bhattacharyya, Sansh Makhija, Sukumar Mandal
  • Patent number: 6248230
    Abstract: A method is provided for manufacturing cleaner fuels, in which NPC (Natural Polar Compounds), naturally existing in small quantities within various petrolic hydrocarbon fractions, are removed from the petrolic hydrocarbon fractions ranging, in boiling point, from 110 to 560° C. and preferably from 200 to 400° C., in advance of catalytic hydroprocessing. The removal of NPC improves the efficiency of the catalytic process and produces environment-friendly products, such as diesel fuel with a sulfur content of 50 ppm (wt) or lower. Also, the NPC can be used to improve fuel lubricity.
    Type: Grant
    Filed: June 24, 1999
    Date of Patent: June 19, 2001
    Assignee: SK Corporation
    Inventors: Wha-Sik Min, Kyung-Il Choi, Sin-Young Khang, Dong-Soon Min, Jae-Wook Ryu, Kwan-Sik Yoo, Jyu-Hwan Kim
  • Patent number: 5919352
    Abstract: A process wherein a residuum feedstock is upgraded in a short vapor contact time thermal process unit comprised of a horizontal moving bed of fluidized hot particles, then fed to a fluid catalytic cracking process unit. Hot flue gases from the fluid catalytic cracking unit is used to circulate solid particles and to provide process heat to the thermal process unit.
    Type: Grant
    Filed: July 17, 1997
    Date of Patent: July 6, 1999
    Assignee: Exxon Research and Engineering Co.
    Inventors: Willibald Serrand, David G. Hammond, Mitchell Jacobson, John F. Pagel, Martin C. Poole
  • Patent number: 5770047
    Abstract: A process for upgrading a nitrogen and sulfur rich heavy naphtha feedstock includes the steps of providing a naphtha feedstock having an initial nitrogen content, an initial sulfur content and an initial octane number; contacting the naphtha feedstock with an acid source so as to provide a reduced nitrogen feedstock having a reduced nitrogen content which is less than the initial nitrogen content; contacting the reduced nitrogen feedstock with a hydroconversion catalyst system under a hydrogen atmosphere, temperature and pressure so as to provide a final product having a final nitrogen content which is less than the initial nitrogen content, a final sulfur content which is less than the initial sulfur content, and having a final octane number which is substantially equal to or greater than the initial octane number of the feedstock, and wherein the final product has an increased isomerized component and substantially no increase in aromatic content with respect to the feedstock.
    Type: Grant
    Filed: June 11, 1996
    Date of Patent: June 23, 1998
    Assignee: Intevep, S.A.
    Inventors: Jose Armando Salazar, Luis M. Cabrera, Eusebio Palmisano, Wolfgang J. Garcia, Rodolfo Bruno Solari
  • Patent number: 5725756
    Abstract: A method to minimize catalyst deactivation rate and coke laydown, and maximize desired reaction rate in processing of industrially significant reactions under supercritical conditions to generate a reaction mixture stream including formed reaction products and reactants, said contacting at a desired catalyst temperature of about 1-1.2 critical temperature of the resulting reaction mixture and at a pressure between the critical pressure of the reaction mixture and a pressure necessary to establish said reaction mixture fluid density of greater than 0.65 gm/cc.
    Type: Grant
    Filed: April 18, 1995
    Date of Patent: March 10, 1998
    Assignee: Center For Research, Inc.
    Inventors: Bala Subramaniam, Said Saim
  • Patent number: 5702590
    Abstract: The invention relates to a process for the removal of mercury and/or other heavy metals from a cracker feed with the aid of an adsorbent. The process is characterized in that the feed is also subjected to magnetic filtration.
    Type: Grant
    Filed: November 3, 1995
    Date of Patent: December 30, 1997
    Assignee: DSM N.V.
    Inventors: Geert I. V. Bonte, Johannes C. J. De Kock