Patents Assigned to UOP
  • Crystalline metallophosphates, their method of preparation, and use
    Patent number: 10280089
    Abstract: A new family of crystalline microporous metallophosphates designated AlPO-92 has been synthesized. These metallophosphates are represented by the empirical formula Cc+Aa+Mm2+EPxSiyOz where M is a divalent framework metal such as magnesium, C is a cyclic organoammonium cation, A is an acyclic organoammonium cation, and E is a trivalent framework element such as aluminum or gallium. The AlPO-92 compositions are characterized by a new unique ABC-6 net structure, and have catalytic properties suitable for carrying out various hydrocarbon conversion processes, as well as characteristics suitable for the efficient adsorption of water vapor in a variety of applications, such as adsorption heat pumps.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: May 7, 2019
    Assignee: UOP LLC
    Inventors: Benjamin D. Yuhas, Kristine N. Wilson, Mimoza Sylejmani-Rekaliu, John P. S. Mowat, Wharton Sinkler
  • Heat exchangers for low temperature carbon dioxide separation from natural gas
    Patent number: 10281209
    Abstract: A reboiler in fluid communication with a fractionator column in an offshore low temperature process removing carbon dioxide from natural gas has a vessel volume. A carbon steel tubing bundle is disposed within the vessel volume. Each tube in the bundle has an outer surface with a porous granular metal layer deposited thereon. The granular metal layer comprises a pore size distribution which promotes bubble nucleation during vaporization of a nearly pure liquid carbon dioxide stream.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: May 7, 2019
    Assignee: UOP LLC
    Inventors: Lubo Zhou, Thomas J. Godry, Zhanping Xu
  • Reactor effluent wash to remove aromatics
    Patent number: 10272359
    Abstract: A process is presented for the removal or aromatics from a hydrocarbon stream. The hydrocarbon stream is generated by a dehydrogenation process that generates aromatics. The process includes a two contact cooler system with the first and second contact coolers using different coolants. The second coolant is a non-aromatic hydrocarbon coolant that will absorb aromatics.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: April 30, 2019
    Assignee: UOP LLC
    Inventors: Gregory J. Nedohin, Mike Banach, David N. Myers
  • Reactor and heater configuration synergies in paraffin dehydrogenation process
    Patent number: 10272406
    Abstract: An apparatus for heating a process fluid is presented. The apparatus is for improving the foot-print of a fired heater and to reduce the fired heater volume. The apparatus includes a W-shaped process coil to provide for a smaller single-cell fired heater, and a fired heater with a lower profile, providing flexibility in positioning relative to downstream reactors.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: April 30, 2019
    Assignee: UOP LLC
    Inventors: Rajeswar Gattupalli, Quan Yuan, Clayton C. Sadler, Michael J. Vetter, Bryan J. Egolf
  • Process for hydrotreating a hydrocarbons stream
    Patent number: 10273420
    Abstract: Processes for hydrotreating a hydrocarbon stream in which a separation zone and a stripping zone is disposed between two hydrotreating reactors. The stripping zone may comprise a portion of the second hydrotreating reactor. The separation zone may comprise two separator vessels. A separator vessel may include the scrubbing zone to receive a scrubbing fluid, for example, steam, hydrogen, or heated effluent, and remove H2S and NH3. A divided wall separator may be used. Vapor from the separator vessels can be recycled in the system.
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: April 30, 2019
    Assignee: UOP LLC
    Inventors: Soumendra Mohan Banerjee, Peter Kokayeff, David A. Lindsay
  • Composition of matter and structure of zeolite UZM-55
    Patent number: 10272420
    Abstract: A new crystalline aluminosilicate zeolite comprising a MTT framework has been synthesized that has been designated UZM-55. This zeolite is represented by the empirical formula: M+mRrAl1-xExSiyOz where M represents a metal or metals selected from zinc or Group 1 (IUPAC 1), Group 2 (IUPAC 2), Group 3 (IUPAC 3) or the lanthanide series of the periodic table including sodium, potassium or a combination of sodium and potassium cations, R is an organic structure directing agent or agents derived from reactants R1 and R2 such as where R1 is diisopropanolamine and R2 is a chelating diamine, and E is an element selected from the group consisting of gallium, iron, boron and mixtures thereof. Catalysts made from UZM-55 have utility in various hydrocarbon conversion reactions.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: April 30, 2019
    Assignee: UOP LLC
    Inventors: Mark A. Miller, Christopher P. Nicholas, Melissa M. Galey, John P. S. Mowat, Wharton Sinkler
  • Stable facilitated transport membranes for olefin/paraffin separations
    Patent number: 10258929
    Abstract: A stable high performance facilitated transport membrane comprising an asymmetric integrally-skinned polymeric membrane wherein the pores on the relatively porous, thin, dense skin layer of the membrane comprises a hydrophilic polymer such as chitosan or sodium alginate, a metal salt such as silver nitrate, or a mixture of a metal salt such as silver nitrate and hydrogen peroxide and the asymmetric integrally-skinned polymeric membrane comprises a relatively porous, thin, dense skin layer as characterized by a CO2 permeance of at least 200 GPU and a CO2 over CH4 selectivity between 1.1 and 10 at 50° C. under 50-1000 psig, 10% CO2/90% CH4 mixed gas feed pressure. The present invention further includes a method of making these membranes and their use for olefin/paraffin separations, particularly for propylene/propane and ethylene/ethane separations.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: April 16, 2019
    Assignee: UOP LLC
    Inventors: Chunqing Liu, Nicole K. Karns
  • UZM-53, an MTT zeolite
    Patent number: 10259717
    Abstract: A new crystalline aluminosilicate zeolite comprising a MTT framework has been synthesized that has been designated UZM-53. This zeolite is represented by the empirical formula: M+mRrAl1?xExSiyOz where M represents sodium, potassium or a combination of sodium and potassium cations, R is the organic structure directing agent or agents derived from reactants R1 and R2 where R1 is diisopropanolamine and R2 is a chelating diamine, and E is an element selected from the group consisting of gallium, iron, boron and mixtures thereof. Catalysts made from UZM-53 have utility in various hydrocarbon conversion reactions such as oligomerization.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: April 16, 2019
    Assignee: UOP LLC
    Inventors: Christopher P. Nicholas, Mark A. Miller, Lisa M. Knight, Susan M. Wojnicki
  • Fuel composition for GCI engines and method of production
    Patent number: 10260015
    Abstract: GCI fuel compositions and methods of making them are described. The GCI fuel compositions comprises a fuel blend having an initial boiling point in a range of about 26° C. to about 38° C. and a final boiling point in a range of about 193° C. to less than 250° C., a density of about 0.72 kg/l to about 0.8 kg/l at 15° C., a research octane number of about 70 to about 85, and a cetane number of less than about 27, the fuel blend comprising a naphtha stream and a kerosene stream.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: April 16, 2019
    Assignees: UOP LLC, Saudi Arabian Oil Company
    Inventors: Christopher D. Gosling, Mary Jo Wier, Gautam T. Kalghatgi
  • Viscosity modifiers for decreasing the viscosity of ionic liquids
    Patent number: 10252956
    Abstract: A process utilizing an ionic liquid is described. The process includes contacting a hydrocarbon feed with an ionic liquid component, the ionic liquid component comprising a mixture of a first ionic liquid and a viscosity modifier, wherein a viscosity of the ionic liquid component is at least about 10% less than a viscosity of the first ionic liquid.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: April 9, 2019
    Assignee: UOP LLC
    Inventors: Avram M. Buchbinder, Erin M. Broderick, Susie C. Martins, Alakananda Bhattacharyya, Stuart Smith
  • Process for hydrotreating a residue stream
    Patent number: 10253272
    Abstract: The subject process enhances catalytic activity for demetallization and desulfurization of a residue feed stream by injecting water into the feed and hydrotreating in two stages with interstage separation. Water injection improves the demetallation activity of the HDM catalyst and separating vapor comprising hydrogen sulfide from the demetallized effluent improves the activity of the HDS catalyst. We have discovered that the water injection and hydrogen sulfide removal together provide a profound synergetic effect.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: April 9, 2019
    Assignee: UOP LLC
    Inventors: Ping Sun, Grant H. Yokomizo
  • Methods for reducing flue gas emissions from fluid catalytic cracking unit regenerators
    Patent number: 10246645
    Abstract: Methods for reducing flue gas particulate emissions from fluid catalytic cracking unit regenerators are provided. In one embodiment, a method for reducing flue gas particulate emissions from an FCC unit regenerator includes the steps of combining biochar with a hydrocarbon feedstock to generate a biochar-containing feedstock and contacting the biochar-containing feedstock with an FCC catalyst. In another embodiment, a method for reducing flue gas particulate emissions from a FCC unit regenerator includes the steps of fluidizing catalyst fines and biochar particles in a fluidizing gas and adhering a portion of the catalyst fines to the biochar particles while in the fluidizing gas.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: April 2, 2019
    Assignee: UOP LLC
    Inventors: Derek Froehle, Stanley Joseph Frey, Patrick D. Walker, Andrew R. Novotny
  • Integrated pyrolysis and oxygenate to olefin process
    Patent number: 10246385
    Abstract: A method of making light olefins is described. The method involves producing an alkyne in a pyrolysis process. The alkyne is catalytically hydrogenated in a hydrogenation zone to produce a product stream containing a light olefin. A byproduct stream from the pyrolysis process comprises carbon oxide and hydrogen. The byproduct stream is treated to convert the carbon oxide and the hydrogen to an oxygenated product in a carbon oxide conversion zone, which can then be converted to an olefin in an oxygenate to olefin process.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: April 2, 2019
    Assignee: UOP LLC
    Inventors: Rajeswar R. Gattupalli, Andrea G. Bozzano, Laura E. Leonard, Gregory A. Funk
  • Processes for producing a fuel from a renewable feedstock
    Patent number: 10240099
    Abstract: Processes for the production of transportation fuel from a renewable feedstock. A catalyst is used which is more selective to hydrodeoxygenate the fatty acid side chains compared to decarboxylation and decarbonylation reactions. A gaseous mixture of carbon monoxide and hydrogen can be supplied to the conversion zone. Water may also be introduced into the conversion zone to increase the amount of hydrogen.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: March 26, 2019
    Assignee: UOP LLC
    Inventors: Krishna Mani, Kanchan Dutta, Avnish Kumar, Anjan Ray
  • Processes and apparatuses for toluene methylation in an aromatics complex
    Patent number: 10239802
    Abstract: This present disclosure relates to processes and apparatuses for toluene methylation in an aromatics complex for producing paraxylene. More specifically, the present disclosure relates to processes and apparatuses wherein a toluene methylation zone is integrated within an aromatics complex for producing paraxylene thus allowing no benzene byproduct to be produced. This may be accomplished by incorporating a toluene methylation process into the aromatics complex and recycling the benzene to the transalkylation unit the aromatics complex.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: March 26, 2019
    Assignee: UOP LLC
    Inventors: David S. Krimsky, Robert B. Larson
  • Process for stripping hydroprocessed effluent for improved hydrogen recovery
    Patent number: 10239754
    Abstract: A process is disclosed for reducing loss of hydrogen in solution to the fractionation section of a hydroprocessing unit. The hot liquid stream is stripped with an inert gas in a hot flash stripper to urge hydrogen into the hot flash vapor stream. Substantial conservation of hydrogen gas is achieved.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: March 26, 2019
    Assignee: UOP LLC
    Inventors: Neeraj Tiwari, Richard K. Hoehn, Kiran Ladkat
  • Methods and apparatuses for an integrated isomerization and platforming process
    Patent number: 10240097
    Abstract: The present disclosure generally relates to methods and systems for reforming and isomerizing hydrocarbons. More particularly, the present disclosure relates to a novel combination of two traditionally separate reforming and isomerization reaction zones. A first hydrocarbon stream comprising C5-C6 hydrocarbons is isomerized in a first isomerization zone. A second hydrocarbon stream comprising C7+ hydrocarbons is reformed thus producing a C7 hydrocarbon stream and a C8 hydrocarbon stream. The reformed C7 stream is then isomerized in a second isomerization zone.
    Type: Grant
    Filed: September 30, 2017
    Date of Patent: March 26, 2019
    Assignee: UOP LLC
    Inventor: Bryan K. Glover
  • Crystalline transition metal oxy-hydroxide molybdotungstate
    Patent number: 10233398
    Abstract: A hydroprocessing catalyst has been developed. The catalyst is a unique crystalline transition metal oxy-hydroxide molybdotungstate material. The hydroprocessing using the crystalline ammonia transition metal oxy-hydroxide molybdotungstate material may include hydrodenitrification, hydrodesulfurization, hydrodemetallation, hydrodesilication, hydrodearomatization, hydroisomerization, hydrotreating, hydrofining, and hydrocracking.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: March 19, 2019
    Assignee: UOP LLC
    Inventors: Stuart Miller, Susan C. Koster
  • Crystalline ammonia transition metal molybdate
    Patent number: 10232357
    Abstract: A hydroprocessing catalyst has been developed. The catalyst is a unique crystalline ammonia transition metal molybdate material. The hydroprocessing using the crystalline ammonia transition metal molybdate material may include hydrodenitrification, hydrodesulfurization, hydrodemetallation, hydrodesilication, hydrodearomatization, hydroisomerization, hydrotreating, hydrofining, and hydrocracking.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: March 19, 2019
    Assignee: UOP LLC
    Inventors: Stuart Miller, Laura Collins
  • Processes and apparatuses for recovery of ethylene from hydrocarbons
    Patent number: 10227272
    Abstract: Embodiments of methods and apparatuses for recovery of ethylene from FCC absorber off-gas comprising a heavy cut comprising ethylene, ethane and heavier hydrocarbons and a light cut comprising hydrogen, nitrogen and methane. An exemplary method includes passing the FCC absorber off-gas to an adsorption zone containing an adsorbent selective for the adsorption of the light cut, the adsorption zone adsorbing at least a portion of the light cut and recovering an adsorption zone effluent stream comprising the heavy cut. The adsorption zone effluent is passed to a demethanizer column to provide an overhead stream comprising hydrogen, nitrogen, methane, ethylene and ethane and a net bottoms stream comprising ethylene, ethane and the heavier hydrocarbons.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: March 12, 2019
    Assignee: UOP LLC
    Inventors: Xin X. Zhu, Joseph A. Montalbano