Invention Publication
- Patent Title: HYDROPROCESSING WITH INCREASED RECYCLE GAS PURITY
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Application No.: US18558409Application Date: 2022-05-06
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Publication No.: US20240228889A1Publication Date: 2024-07-11
- Inventor: Steven W. STUPIN , Stefan ANDERSEN , Priyesh 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

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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