• Patent Title: HYDROPROCESSING WITH INCREASED RECYCLE GAS PURITY
  • Application No.: US18558409
    Application Date: 2022-05-06
  • Publication No.: US20240228889A1
    Publication Date: 2024-07-11
  • Inventor: Steven W. STUPINStefan ANDERSENPriyesh THAKKER
  • Applicant: TOPSOE A/S
  • Applicant Address: DK Kgs. Lyngby
  • Assignee: TOPSOE A/S
  • Current Assignee: TOPSOE A/S
  • Current Assignee Address: DK Kgs. Lyngby
  • Priority: EP 184518.5 2021.07.08
  • International Application: PCT/EP2022/062337 2022.05.06
  • Date entered country: 2023-11-01
  • Main IPC: C10G5/04
  • IPC: C10G5/04 C10G5/06
HYDROPROCESSING WITH INCREASED RECYCLE GAS PURITY
Abstract:
A process, a process plant and equipment for conversion of a feedstock rich in oxygenates to a hydrocarbon including directing the feedstock in combination with a recycle gas stream to a hydroprocessing step, to provide a two-phase hydroprocessed process stream including at least hydrogen, methane and hydrocarbons, combining a methane lean stream of hydrocarbons being liquid at ambient temperature, with a methane donor stream being either (i) the two-phase hydroprocessed process stream including methane or (ii) a gaseous stream derived from the two-phase hydroprocessed process stream by phase separation, to provide a multiple-phase combined stream, separating the multiple-phase combined stream into at least a hydrogen rich gas stream and a rich liquid hydrocarbon stream, in a desorption step desorbing an amount of methane from the rich liquid hydrocarbon stream, to provide a methane rich gas phase and a liquid product stream of hydrocarbons.
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