Patents by Inventor Wugeng Liang

Wugeng Liang 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).

  • Publication number: 20190210006
    Abstract: Disclosed is a supported catalyst and methods to prepare and use the supported catalyst in an oxidative coupling of methane (OCM) reaction. The supported catalyst can contain MnWO4 or MnWO4 nanostructures that are in contact with the surface of a sodium containing silicon dioxide support material. The supported MnWO4 catalyst can have an active MnWO4 crystal phase.
    Type: Application
    Filed: May 16, 2017
    Publication date: July 11, 2019
    Inventors: Wugeng LIANG, Sagar SARSANI, David WEST
  • Publication number: 20180362418
    Abstract: Methods and catalysts for producing ethylene and methanol from natural gas are presented. Methods include integration of oxidative conversion of methane to ethane, ethane in situ thermal cracking using the thermal heat generated thereby and direct hydrogenation of byproducts to methanol or oxidative CO2 autothermal reforming of methane to syngas.
    Type: Application
    Filed: December 7, 2016
    Publication date: December 20, 2018
    Applicant: SABIC Global Technologies B.V.
    Inventors: Aghaddin MAMEDOV, David WEST, Wugeng LIANG, Sagar SARSANI
  • Publication number: 20180353940
    Abstract: A metal oxide catalyst capable of catalyzing an oxidative coupling of methane reaction is described. The metal oxide catalyst includes a lanthanum (La) cerium (Ce) metal oxide and further including a lanthanum hydroxide (La(OH)3) crystalline phase. The catalyst is capable of catalyzing the production of C2+ hydrocarbons from methane and oxygen. Methods and systems of using the metal oxide catalyst to produce C2+ hydrocarbons from a reactant gas are also described.
    Type: Application
    Filed: May 2, 2016
    Publication date: December 13, 2018
    Inventors: Wugeng Liang, Sagar Sarsani, David West, James Lowrey, Aghaddin Mamedov, Istvan Lengyel
  • Publication number: 20180311658
    Abstract: Disclosed is a process to prepare a [MnNaW]On/SiO2 catalyst using manganese oxide (MnO2) and tungsten oxide (WO3) nanostructures. Also disclosed are methods and systems using the aforementioned catalyst having higher methane conversion and C2 to C4 selectivity compared to similar catalysts not prepared with MnO2 and WO3 nanostructures.
    Type: Application
    Filed: September 14, 2016
    Publication date: November 1, 2018
    Inventors: Wugeng LIANG, Vidya Sagar Reddy SARSANI, David WEST, Aghaddin MAMEDOV, James LOWREY, Istvan LENGYEL
  • Publication number: 20180162785
    Abstract: Disclosed is a process for producing C2+ hydrocarbons, and systems for implementing the process, that includes providing a reactant feed that includes methane and an oxygen containing gas to a first reaction zone, wherein the temperature of the reactant feed is less than 700° C. contacting the reactant feed with a first catalyst capable of catalyzing an oxidative coupling of methane reaction (OCM) to produce a first product stream that includes C2+ hydrocarbons and heat, and contacting the first product stream with a second catalyst capable of catalyzing an OCM reaction to produce a second product stream that includes C2+ hydrocarbons, wherein the produced heat is at least partially used to heat the first product stream prior to or during contact with the second catalyst, wherein the amount of C2+ hydrocarbons in the second product stream is greater than the amount of C2+ hydrocarbons in the first product stream.
    Type: Application
    Filed: May 2, 2016
    Publication date: June 14, 2018
    Inventors: Wugeng Liang, Sagar Sarsani, David West, James Lowrey, Aghaddin Mamedov, Istvan Lengyel
  • Publication number: 20170240488
    Abstract: Disclosed is a method for production of ethylene by an oxidative coupling of methane process in the presence of a catalytic material. Heat generated from the oxidative coupling of methane can be transferred to an inert material in an amount sufficient to reduce thermal deactivation of the catalytic material.
    Type: Application
    Filed: December 9, 2015
    Publication date: August 24, 2017
    Inventors: David West, Wugeng Liang, Sagar Sarsani, Vemuri Balakotaiah, Aghaddin Mamedov
  • Publication number: 20170226029
    Abstract: Disclosed is a method for production of synthesis gas and ethylene by a combined oxidative coupling and dry reforming of methane process. Heat generated from the oxidative coupling of methane can be used to drive the endothermic dry reforming of methane reaction.
    Type: Application
    Filed: December 9, 2015
    Publication date: August 10, 2017
    Applicant: SABIC Global Technologies B.V.
    Inventors: Aghaddin Mamedov, David West, Vemuri Balakotaiah, Sagar Sarsani, Wugeng Liang
  • Publication number: 20170190638
    Abstract: A method for producing ethylbenzene (EB) comprising introducing to an oxidative coupling of methane (OCM) reactor an OCM reactant mixture comprising CH4 and O2; allowing the OCM reactant mixture to react via OCM reaction to form an OCM product mixture comprising C2H4, C2H6, water, CO, CO2 and unreacted methane; separating the water and optionally CO and/or CO2 from the OCM product mixture to yield an EB reactant mixture comprising C2H4, C2H6, unreacted methane, and optionally CO and/or CO2; (d) introducing benzene and an EB reactant mixture to an EB reactor; allowing benzene to react in a liquid phase with the ethylene of the EB reactant mixture to form EB; recovering from the EB reactor an EB product mixture comprising EB and unreacted benzene, and an unreacted alkanes mixture comprising C2H6 and unreacted methane, and optionally CO and/or CO2; and optionally recycling the unreacted alkanes mixture to the OCM reactor.
    Type: Application
    Filed: November 29, 2016
    Publication date: July 6, 2017
    Inventors: Wugeng LIANG, Vidya Sagar Reddy SARSANI, David WEST, Aghaddin MAMEDOV, James LOWREY
  • Publication number: 20170137355
    Abstract: A method for producing olefins and methanol comprising introducing a first reactant mixture comprising CH4 and O2 to a first reaction zone; allowing the first reactant mixture to react via an OCM reaction to form a first product mixture characterized by a first H2/CO molar ratio; introducing a second reactant mixture comprising the first product mixture and an ethane stream to a second reaction zone, wherein ethane of the second reactant mixture undergoes a cracking reaction to produce ethylene; recovering a second product mixture from the second reaction zone, wherein the second product mixture is characterized by a second H2/CO molar ratio, and wherein the second H2/CO molar ratio is greater than the first H2/CO molar ratio; recovering from the second product mixture a methanol production feed stream comprising methane, H2 and CO; and introducing the methanol production feed stream to a third reaction zone to produce methanol.
    Type: Application
    Filed: October 24, 2016
    Publication date: May 18, 2017
    Inventors: Vidya Sagar Reddy SARSANI, Aghaddin MAMEDOV, David WEST, Wugeng LIANG
  • Patent number: 9643171
    Abstract: The invention is for a method for making a heteropoly acid compound catalyst from compounds containing molybdenum, vanadium, phosphorus, cesium, copper, bismuth, antimony and boron in which molybdenum, vanadium, phosphorus, cesium, copper, bismuth and boron are at their highest oxidation states and antimony has a 3+ oxidation state. The catalyst contains oxides of molybdenum, vanadium, phosphorus, cesium, copper, bismuth, antimony, boron and, optionally, other metals. The catalyst has the formula: Mo12VaPbCscCudBieSbfBgOx where Mo is molybdenum, V is vanadium, P is phosphorus, Cs is cesium, Cu is copper, Bi is bismuth, Sb is antimony, B is boron, O is oxygen, a is 0.01 to 5.0, b is 0.5 to 3.5, c is 0.01 to 2.0, d is 0.0-1.5, e is 0.0-2.0, f is 0.01-3.0, g is 0.0-4.0 and x satisfies the valences. Molybdenum is reduced by antimony and reoxidized during catalyst synthesis.
    Type: Grant
    Filed: February 25, 2010
    Date of Patent: May 9, 2017
    Assignee: SAUDI BASIC INDUSTRIES CORPORATION
    Inventors: James W. Kauffman, Wugeng Liang, Lixia Cai
  • Publication number: 20170014807
    Abstract: An oxidative coupling of methane (OCM) catalyst composition comprising one or more oxides doped with Ag; wherein one or more oxides comprises a single metal oxide, mixtures of single metal oxides, a mixed metal oxide, mixtures of mixed metal oxides, or combinations thereof; and wherein one or more oxides is not La2O3 alone. A method of making an OCM catalyst composition comprising calcining one or more oxides and/or oxide precursors to form one or more calcined oxides, wherein the one or more oxides comprises a single metal oxide, mixtures of single metal oxides, a mixed metal oxide, mixtures of mixed metal oxides, or combinations thereof, wherein the one or more oxides is not La2O3 alone, and wherein the oxide precursors comprise oxides, nitrates, carbonates, hydroxides, or combinations thereof; doping the one or more calcined oxides with Ag to form the OCM catalyst composition; and thermally treating the OCM catalyst composition.
    Type: Application
    Filed: July 13, 2016
    Publication date: January 19, 2017
    Inventors: Wugeng LIANG, Vidya Sagar Reddy SARSANI, David WEST, Hector PEREZ, Aghaddin MAMEDOV, Istvan LENGYEL, James LOWREY
  • Publication number: 20160376208
    Abstract: A method for producing olefins comprising (a) introducing to an isothermal reactor a reactant mixture comprising CH4 and O2, wherein the reactor comprises a catalyst bed comprising a catalyst, wherein a catalyst bed temperature is 750-1,000° C., and wherein the reactor has a residence time of 1-100 ms; (b) wherein isothermal conditions minimize hot spots in the bed, thereby decreasing deep oxidation reactions; (c) allowing the reactant mixture to contact the catalyst and react via oxidative coupling of CH4 reaction to form a product mixture comprising C2+ hydrocarbons (olefins and paraffins; C2 hydrocarbons and C3 hydrocarbons) and synthesis gas (H2 and CO), wherein the product mixture has an olefin/paraffin molar ratio of from 0.5:1 to 20:1, and wherein the product mixture has a H2/CO molar ratio of from 0.2:1 to 2.5:1; (d) recovering the product mixture from the reactor; and (e) recovering C2 hydrocarbons and/or synthesis gas from the product mixture.
    Type: Application
    Filed: June 13, 2016
    Publication date: December 29, 2016
    Inventors: Vidya Sagar Reddy SARSANI, David WEST, Aghaddin MAMEDOV, Wugeng LIANG, James LOWREY, Istvan LENGYEL
  • Patent number: 9150463
    Abstract: Disclosed is a method for treating two or more aromatic feed streams including combining one aromatic feed stream with another aromatic feed stream. The method further includes passing the combined feed stream to a unsaturated aliphatic compound removal zone for removing an unsaturated aliphatic compound therefrom. The method further includes passing the combined aromatic feed stream to a nitrogen removal zone for removing a nitrogen compound therefrom.
    Type: Grant
    Filed: May 23, 2013
    Date of Patent: October 6, 2015
    Assignee: UOP LLC
    Inventors: Wugeng Liang, Mark G. Riley
  • Patent number: 9150464
    Abstract: Disclosed is a method for removing water, nitrogen compounds, and unsaturated aliphatic compounds from a hydrocarbon feed stream by passing the hydrocarbon feed stream through a water removal zone, a nitrogen removal zone, and an unsaturated aliphatic compound removal zone. By on aspect, the method includes removing water from the hydrocarbon feed stream, contacting the feed stream with a nitrogen selective adsorbent, and contacting the feed stream with an unsaturated aliphatic compound removal material.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: October 6, 2015
    Assignee: UOP LLC
    Inventors: Mark G. Riley, Wugeng Liang, Deng-Yang Jan, Adam Gross
  • Patent number: 9029622
    Abstract: Disclosed is a method for removing weakly basic nitrogen compounds from a hydrocarbon feed stream by contacting the hydrocarbon feed stream with acidic clay to produce a hydrocarbon effluent stream having a lower weakly basic nitrogen compound content relative to the hydrocarbon feed stream. The hydrocarbon feed stream comprises an aromatic compound and a weakly basic nitrogen compound.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: May 12, 2015
    Assignee: UOP LLC
    Inventors: Mark G. Riley, Wugeng Liang, Deng-Yang Jan, Adam Gross
  • Patent number: 9024104
    Abstract: Disclosed is a method for removing weakly basic nitrogen compounds from a hydrocarbon feed stream by contacting the hydrocarbon feed stream with a basic catalyst to convert a portion of the weakly basic nitrogen compounds to basic nitrogen compounds. The method also includes contacting the hydrocarbon feed stream with an acidic adsorbent to adsorb the basic nitrogen compounds from the stream. The hydrocarbon feed stream comprises an aromatic compound and a weakly basic nitrogen compound.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: May 5, 2015
    Assignee: UOP LLC
    Inventors: Mark G. Riley, Wugeng Liang, Deng-Yang Jan, Adam Gross
  • Patent number: 8889088
    Abstract: An integrated facility is disclosed for simultaneous production of butanal and methacrylic acid products where the facility utilizes a mixed methacrolein and isobutanal stream to make methacrylic acid. The facility is also designed to utilize downstream n-butanal products such as n-butanol and/or 2-ethyl-hexanol to make butyl-methacrylates and 2-ethyl-hexyl-methacrylate. A method is also disclosed which integrates the production of butanal derived products and methacrylic acid derived products.
    Type: Grant
    Filed: January 13, 2010
    Date of Patent: November 18, 2014
    Assignee: Saudi Basic Industries Corporation
    Inventors: Scott A. Stevenson, Wugeng Liang
  • Publication number: 20130338417
    Abstract: Disclosed is a method for removing weakly basic nitrogen compounds from a hydrocarbon feed stream by contacting the hydrocarbon feed stream with a basic catalyst to convert a portion of the weakly basic nitrogen compounds to basic nitrogen compounds. The method also includes contacting the hydrocarbon feed stream with an acidic adsorbent to adsorb the basic nitrogen compounds from the stream. The hydrocarbon feed stream comprises an aromatic compound and a weakly basic nitrogen compound.
    Type: Application
    Filed: June 14, 2013
    Publication date: December 19, 2013
    Inventors: Mark G. Riley, Wugeng Liang, Deng-Yang Jan, Adam Gross
  • Publication number: 20130338416
    Abstract: Disclosed is a method for removing weakly basic nitrogen compounds from a hydrocarbon feed stream by contacting the hydrocarbon feed stream with acidic clay to produce a hydrocarbon effluent stream having a lower weakly basic nitrogen compound content relative to the hydrocarbon feed stream. The hydrocarbon feed stream comprises an aromatic compound and a weakly basic nitrogen compound.
    Type: Application
    Filed: June 14, 2013
    Publication date: December 19, 2013
    Inventors: Mark G. Riley, Wugeng Liang, Deng-Yang Jan, Adam Gross
  • Patent number: 8609048
    Abstract: A process for process for reducing one or more of corrosion, fouling, solvent degradation, or zeolite degradation in a process unit is described. The process includes introducing the hydrocarbon feedstream containing oxygen to an adsorbent bed containing copper and reacting the oxygen with the copper to form copper oxide and a reduced oxygen feedstream, and introducing the reduced oxygen feedstream into the process unit. A process for reducing one or more of corrosion, fouling, solvent degradation, or zeolite degradation in an aromatics extraction unit is also described.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: December 17, 2013