Patents by Inventor Saadet Ulas Acikgoz

Saadet Ulas Acikgoz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11136280
    Abstract: Systems and processes are provided to prevent light ends such as methane, ethylene and ethane from building up in an olefin/paraffin separation system that uses a combination of a membrane and distillation column for this separation. In one embodiment a small stripper column is provided downstream from a selective hydrogenation reactor. In the other embodiment, a surge vessel with a receiver is added to the retentate stream of the membrane unit.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: October 5, 2021
    Assignee: UOP LLC
    Inventors: Mander Singh, Charles P Luebke, Trung Pham, Steven Kozup, Carl Liskey, Simon E. Albo, Saadet Ulas Acikgoz, Chunqing Liu
  • Publication number: 20200377430
    Abstract: Systems and processes are provided to prevent light ends such as methane, ethylene and ethane from building up in an olefin/paraffin separation system that uses a combination of a membrane and distillation column for this separation. In one embodiment a small stripper column is provided downstream from a selective hydrogenation reactor. In the other embodiment, a surge vessel with a receiver is added to the retentate stream of the membrane unit.
    Type: Application
    Filed: May 29, 2019
    Publication date: December 3, 2020
    Inventors: Mander Singh, Charles P Luebke, Trung Pham, Steven Kozup, Carl Liskey, Simon E. Albo, Saadet Ulas Acikgoz, Chunqing Liu
  • Patent number: 10550338
    Abstract: We have discovered a process for hydrocracking a distillate stream and separating it into several product cuts including LPG, light naphtha, heavy naphtha and distillate without a stripper column. Additionally, no more than two heaters relying on external utilities are required for reboiling fractionator bottoms.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: February 4, 2020
    Assignee: UOP LLC
    Inventors: Donald A. Eizenga, Massimo Sangalli, Richard K. Hoehn, Saadet Ulas Acikgoz, Trung Pham
  • Patent number: 10457878
    Abstract: We have discovered a process for hydrocracking a distillate stream and separating it into several product cuts including LPG, light naphtha, heavy naphtha and distillate without a stripper column. Additionally, no more than two heaters relying on external utilities are required for reboiling fractionator bottoms.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: October 29, 2019
    Assignee: UOP LLC
    Inventors: Donald A. Eizenga, Massimo Sangalli, Richard K. Hoehn, Saadet Ulas Acikgoz, Trung Pham
  • Patent number: 10301551
    Abstract: A crude distillation and refining process and apparatus enables modular supply of the crude distillation column. Crude oil may be heated and then separated into only two liquid products in the crude distillation column. The separation between the light and heavy products may be controlled by the overhead product flow rate. Heat is recovered from an overhead stream and a bottoms stream by pre-heating the incoming crude oil stream by heat exchange with overhead stream and the bottoms stream. In an embodiment, a diesel-range distillate fraction may be condensed from an overhead stream in a first heat exchanger and a naphtha-range fraction may be condensed from the gas stream uncondensed by the first heat exchanger in a second heat exchanger.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: May 28, 2019
    Assignee: UOP LLC
    Inventors: Elizabeth A. Carter, Saadet Ulas Acikgoz, Nicholas W. Bridge, Christopher D. Gosling, Gavin P. Towler
  • Publication number: 20190085251
    Abstract: We have discovered a process for hydrocracking a distillate stream and separating it into several product cuts including LPG, light naphtha, heavy naphtha and distillate without a stripper column. Additionally, no more than two heaters relying on external utilities are required for reboiling fractionator bottoms.
    Type: Application
    Filed: September 20, 2017
    Publication date: March 21, 2019
    Inventors: Donald A. Eizenga, Massimo Sangalli, Richard K. Hoehn, Saadet Ulas Acikgoz, Trung Pham
  • Publication number: 20190085252
    Abstract: We have discovered a process for hydrocracking a distillate stream and separating it into several product cuts including LPG, light naphtha, heavy naphtha and distillate without a stripper column. Additionally, no more than two heaters relying on external utilities are required for reboiling fractionator bottoms.
    Type: Application
    Filed: September 20, 2017
    Publication date: March 21, 2019
    Inventors: Donald A. Eizenga, Massimo Sangalli, Richard K. Hoehn, Saadet Ulas Acikgoz, Trung Pham
  • Patent number: 10023509
    Abstract: Processes and apparatuses for producing a C8 aromatic isomer product are provided. The apparatus comprises an isomerization unit to provide an isomerized stream. An isomerate stripper column is in communication with the isomerization unit to provide an isomerate stripper overhead stream comprising C6? hydrocarbons in an isomerate overhead line and an isomerate stripper bottoms stream in an isomerate bottoms line. A dividing wall naphthene splitter column is in communication with the isomerate bottoms line to provide an overhead naphthene splitter stream comprising the C8 naphthenes and C7 aromatic hydrocarbons in a naphthene splitter overhead line and a naphthene splitter sidedraw stream comprising C8 aromatic isomers in a naphthene splitter sidedraw line. An extractive distillation column is in communication with the naphthene splitter overhead line to provide a recycle feedstream comprising the C8 naphthenes in a recycle line and an extract stream comprising the C7 aromatic hydrocarbons in an extract line.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: July 17, 2018
    Assignee: UOP LLC
    Inventors: Abhishek M. Pednekar, Gregory R. Werba, Saadet Ulas Acikgoz, Jason T. Corradi
  • Publication number: 20180093932
    Abstract: Processes and apparatuses for producing a C8 aromatic isomer product are provided. The apparatus comprises an isomerization unit to provide an isomerized stream. An isomerate stripper column is in communication with the isomerization unit to provide an isomerate stripper overhead stream comprising C6? hydrocarbons in an isomerate overhead line and an isomerate stripper bottoms stream in an isomerate bottoms line. A dividing wall naphthene splitter column is in communication with the isomerate bottoms line to provide an overhead naphthene splitter stream comprising the C8 naphthenes and C7 aromatic hydrocarbons in a naphthene splitter overhead line and a naphthene splitter sidedraw stream comprising C8 aromatic isomers in a naphthene splitter sidedraw line. An extractive distillation column is in communication with the naphthene splitter overhead line to provide a recycle feedstream comprising the C8 naphthenes in a recycle line and an extract stream comprising the C7 aromatic hydrocarbons in an extract line.
    Type: Application
    Filed: August 25, 2017
    Publication date: April 5, 2018
    Inventors: Abhishek M. Pednekar, Gregory R. Werba, Saadet Ulas Acikgoz, Jason T. Corradi
  • Publication number: 20180002611
    Abstract: A crude distillation and refining process and apparatus enables modular supply of the crude distillation column. Crude oil may be heated and then separated into only two liquid products in the crude distillation column. The separation between the light and heavy products may be controlled by the overhead product flow rate. Heat is recovered from an overhead stream and a bottoms stream by pre-heating the incoming crude oil stream by heat exchange with overhead stream and the bottoms stream. In an embodiment, a diesel-range distillate fraction may be condensed from an overhead stream in a first heat exchanger and a naphtha-range fraction may be condensed from the gas stream uncondensed by the first heat exchanger in a second heat exchanger.
    Type: Application
    Filed: June 9, 2017
    Publication date: January 4, 2018
    Inventors: Elizabeth A. Carter, Saadet Ulas Acikgoz, Nicholas W. Bridge, Christopher D. Gosling, Gavin P. Towler
  • Patent number: 9731243
    Abstract: A low pressure re-absorber is integrated with a sulfur-rich solvent flash drum or a sulfur-rich solvent stripping column in a solvent acid gas removal process that provides for sufficient sulfur concentration for the downstream sulfur recovery unit. In another aspect of the invention, carbon dioxide containing or carbon dioxide rich gas streams that are at a lower temperature relative to a lean solvent stream are used to cool those lean solvent streams and then optionally to cool other process streams, to save energy consumption.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: August 15, 2017
    Assignee: UOP LLC
    Inventors: Xiaoming Wen, Edward P. Zbacnik, Saadet Ulas Acikgoz, Lubo Zhou
  • Patent number: 9453174
    Abstract: Methods and apparatuses for removing impurities from a hydrocarbon stream are provided herein. In an embodiment, a method for removing impurities from a hydrocarbon stream includes providing the hydrocarbon stream that includes carbon dioxide in an amount of greater than about 50 ppm by mole. Carbon dioxide is selectively adsorbed from the hydrocarbon stream to produce a treated hydrocarbon stream that has less than or equal to 50 ppm by mole of carbon dioxide. The adsorbed carbon dioxide is desorbed to produce a raffinate stream that includes the carbon dioxide. The carbon dioxide is separated from the raffinate stream using a solvent separation technique to produce a treated raffinate stream.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: September 27, 2016
    Assignee: UOP LLC
    Inventors: Saadet Ulas Acikgoz, Shain Doong, Lubo Zhou, Bhargav Sharma
  • Publication number: 20150375163
    Abstract: A low pressure re-absorber is integrated with a sulfur-rich solvent flash drum or a sulfur-rich solvent stripping column in a solvent acid gas removal process that provides for sufficient sulfur concentration for the downstream sulfur recovery unit. In another aspect of the invention, carbon dioxide containing or carbon dioxide rich gas streams that are at a lower temperature relative to a lean solvent stream are used to cool those lean solvent streams and then optionally to cool other process streams, to save energy consumption.
    Type: Application
    Filed: June 17, 2015
    Publication date: December 31, 2015
    Inventors: Xiaoming Wen, Edward P. Zbacnik, Saadet Ulas Acikgoz, Lubo Zhou
  • Publication number: 20150376526
    Abstract: Methods and apparatuses for removing impurities from a hydrocarbon stream are provided herein. In an embodiment, a method for removing impurities from a hydrocarbon stream includes providing the hydrocarbon stream that includes carbon dioxide in an amount of greater than about 50 ppm by mole. Carbon dioxide is selectively adsorbed from the hydrocarbon stream to produce a treated hydrocarbon stream that has less than or equal to 50 ppm by mole of carbon dioxide. The adsorbed carbon dioxide is desorbed to produce a raffinate stream that includes the carbon dioxide. The carbon dioxide is separated from the raffinate stream using a solvent separation technique to produce a treated raffinate stream.
    Type: Application
    Filed: June 26, 2014
    Publication date: December 31, 2015
    Inventors: Saadet Ulas Acikgoz, Shain Doong, Lubo Zhou, Bhargav Sharma
  • Publication number: 20150251134
    Abstract: Methods and apparatuses are provided for removing impurities from a gas. A method includes feeding a gaseous stream through a vapor side of a first membrane contactor, and then feeding the gaseous stream through the vapor side of a second membrane contactor. An absorption solution is fed through an absorption side of the second membrane contactor, and then fed through an absorption side of the first membrane contactor. The absorption solution is cooled between the second membrane contactor and the first membrane contactor.
    Type: Application
    Filed: March 10, 2014
    Publication date: September 10, 2015
    Applicant: UOP LLC
    Inventors: Saadet Ulas Acikgoz, George K. Xomeritakis, Lubo Zhou
  • Patent number: 8993825
    Abstract: An aromatics complex producing one or more xylene isomers offers a large number of opportunities to conserve energy by heat exchange within the complex. One previously unrecognized opportunity is through providing two parallel distillation columns operating at different pressures to separate C8 aromatics from C9+ aromatics. The parallel columns offer additional opportunities to conserve energy within the complex through heat exchange in associated xylene recovery facilities.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: March 31, 2015
    Assignee: UOP LLC
    Inventors: Gregory R. Werba, Jason T. Corradi, Xin X. Zhu, David W. Ablin, Saadet Ulas Acikgoz, Phillip F. Daly
  • Publication number: 20140257010
    Abstract: An aromatics complex producing one or more xylene isomers offers a large number of opportunities to conserve energy by heat exchange within the complex. One previously unrecognized opportunity is through providing two parallel distillation columns operating at different pressures to separate C8 aromatics from C9+ aromatics. The parallel columns offer additional opportunities to conserve energy within the complex through heat exchange in associated xylene recovery facilities.
    Type: Application
    Filed: May 21, 2014
    Publication date: September 11, 2014
    Applicant: UOP LLC
    Inventors: Gregory R. Werba, Jason T. Corradi, Xin X. Zhu, David W. Ablin, Saadet Ulas Acikgoz, Phillip F. Daly
  • Patent number: 8754281
    Abstract: An aromatics complex producing one or more xylene isomers offers a large number of opportunities to conserve energy by heat exchange within the complex. One previously unrecognized opportunity is through providing two parallel distillation columns operating at different pressures to separate C8 aromatics from C9+ aromatics. The parallel columns offer additional opportunities to conserve energy within the complex through heat exchange in associated xylene recovery facilities.
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: June 17, 2014
    Assignee: UOP LLC
    Inventors: Gregory R. Werba, Jason T. Corradi, Zin X. Zhu, David W. Ablin, Saadet Ulas Acikgoz
  • Patent number: 8747654
    Abstract: A process is disclosed for recovering product from catalytically converted product streams. An integrated debutanizer column provides an LPG stream, a light naphtha stream and a heavy naphtha stream. The integrated debutanizer column may comprise a dividing wall column. The light naphtha stream may be used as an absorbent for a primary absorber column which provides advantageous operation.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: June 10, 2014
    Assignee: UOP LLC
    Inventors: Saadet Ulas Acikgoz, Michael A. Schultz, Xin X. Zhu
  • Patent number: 8609922
    Abstract: An aromatics complex producing one or more xylene isomers offers a large number of opportunities to conserve energy by heat exchange within the complex. One previously unrecognized opportunity is through providing two parallel distillation columns operating at different pressures to separate C8 aromatics from C9+ aromatics. The parallel columns offer additional opportunities to conserve energy within the complex through heat exchange in associated xylene recovery facilities.
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: December 17, 2013
    Assignee: UOP LLC
    Inventors: Gregory R. Werba, Xin X. Zhu, Phillip F. Daly, Saadet Ulas Acikgoz, Jason T. Corradi, David W. Ablin