Patents by Inventor Marcus Symreng

Marcus Symreng 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: 11873268
    Abstract: Parallel co-production process for the production of methanol and urea product from a hydrocarbon containing feed-stock by means of primary and secondary reforming, intermediary methanol and ammonia formation and conversion of the ammonia to urea product and catalytic oxidation of methanol to formaldehyde.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: January 16, 2024
    Assignee: Topsoe A/S
    Inventors: Marcus Symreng, Pat A. Han
  • Publication number: 20220048853
    Abstract: Parallel co-production process for the production of methanol and urea product from a hydrocarbon containing feed-stock by means of primary and secondary reforming, intermediary methanol and ammonia formation and conversion of the ammonia to urea product and catalytic oxidation of methanol to formaldehyde.
    Type: Application
    Filed: March 5, 2020
    Publication date: February 17, 2022
    Applicant: Haldor Topsøe A/S
    Inventors: Marcus Symreng, Pat A. Han
  • Publication number: 20220048854
    Abstract: Parallel co-production process for the production of methanol and urea product from a hydrocarbon containing feed-stock by means of autothermal reforming, intermediary methanol and ammonia formation and conversion of the ammonia to urea product and catalytic oxidation of the methanol to formaldehyde.
    Type: Application
    Filed: March 5, 2020
    Publication date: February 17, 2022
    Applicant: Haldor Topsøe A/S
    Inventors: Marcus Symreng, Pat A. Han, Christian Henrik Speth
  • Patent number: 11124423
    Abstract: A process for producing an ammonia synthesis gas, said process comprising the steps of: —Reforming a hydrocarbon feed in a reforming step thereby obtaining a synthesis gas comprising CH4, CO, CO2, H2 and H2O, —Shifting the synthesis gas in one in or more shift steps in series, —Optionally wash the synthesis gas leaving the shift section with water, —Sending the process condensate originating from cooling and washing the synthesis gas leaving the shift section to a process condensate stripper wherein the dissolved shift byproducts and dissolved gases are stripped out of the process condensate using steam resulting in a steam stream containing more than 99% of the dissolved methanol in process condensate. —Adding all or part of said steam stream from the process condensate stripper to the synthesis gas downstream the reforming step, prior to the last shift step, wherein —The steam/carbon ratio in the reforming step and the shift step is less than 2.6.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: September 21, 2021
    Assignee: Haldor Topsoe A/S
    Inventors: Christian Henrik Speth, Per Juul Dahl, Annette E. Krøll Jensen, Niels Christian Schjødt, Marcus Symreng
  • Patent number: 11027984
    Abstract: A process for producing urea with controlled excess of CO2 and/or NH3. The process includes the steps of: reforming the hydrocarbon feed gas, thereby obtaining a synthesis gas comprising CH4, CO, CO2, H2 and H2O, shifting the synthesis gas, removing CO2 from the synthesis gas, removing residual H2O and/or CO2 from the synthesis gas, removing CH4, CO, Ar and/or He, and adding stoichiometric nitrogen to produce NH3 to the synthesis gas, synthesizing NH3 to obtain a NH3 product, and adding at least part of the product CO2 and at least part of the NH3 product to a urea synthesis step to make a urea product. The amount of excess CO2 and/or NH3 is controlled by adjusting the steam/carbon in the reforming step and/or the H2O addition upstream the shift step and/or adjusting the inlet temperature to at least one or more shift steps.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: June 8, 2021
    Assignee: Haldor Topsoe A/S
    Inventors: Christian Henrik Speth, Per Juul Dahl, Annette E. Kroll Jensen, Niels Christian Schjødt, Marcus Symreng
  • Publication number: 20200231456
    Abstract: A process for producing UREA, said process comprising the steps of:—purification of a hydrocarbon feed gas removing Sulphur and/or chloride components if present, —reforming the hydrocarbon feed gas in a reforming step where the steam/carbon ratio is less than 2.6 thereby obtaining a synthesis gas comprising CH4, CO, CO2, H2 and H2O, —optionally adding H2O to the synthesis gas from the reforming step maintaining an overall steam/carbon less than 2.
    Type: Application
    Filed: March 7, 2018
    Publication date: July 23, 2020
    Applicant: Haldor Topsøe A/S
    Inventors: Christian Henrik Speth, Per Juul Dahl, Annette E. Kroll Jensen, Niels Christian Schjødt, Marcus Symreng
  • Publication number: 20190382277
    Abstract: A process for producing an ammonia synthesis gas, said process comprising the steps of: —Reforming a hydrocarbon feed in a reforming step thereby obtaining a synthesis gas comprising CH4, CO, CO2, H2 and H2O, —Shifting the synthesis gas in one in or more shift steps in series, —Optionally wash the synthesis gas leaving the shift section with water, —Sending the process condensate originating from cooling and washing the synthesis gas leaving the shift section to a process condensate stripper wherein the dissolved shift byproducts and dissolved gases are stripped out of the process condensate using steam resulting in a steam stream containing more than 99% of the dissolved methanol in process condensate. —Adding all or part of said steam stream from the process condensate stripper to the synthesis gas downstream the reforming step, prior to the last shift step, wherein —The steam/carbon ratio in the reforming step and the shift step is less than 2.6.
    Type: Application
    Filed: March 7, 2018
    Publication date: December 19, 2019
    Applicant: Haldor Topsøe A/S
    Inventors: Christian Henrik Speth, Per Juul Dahl, Annette E. Krøll Jensen, Niels Christian Schjødt, Marcus Symreng