Invention Grant
- Patent Title: Method for preventing three-phase separation of butenes from C4 hydrocarbon streams
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Application No.: US18260114Application Date: 2022-01-21
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Publication No.: US11958791B2Publication Date: 2024-04-16
- Inventor: Philip Lutze , Stephan Peitz , Armin Matthias Rix , Tanita Valèrie Six , Moritz Schröder , Niklas Paul
- Applicant: Evonik Oxeno GmbH & Co. KG
- Applicant Address: DE Marl
- Assignee: EVONIK OXENO GMBH & CO. KG
- Current Assignee: EVONIK OXENO GMBH & CO. KG
- Current Assignee Address: DE Marl
- Agency: Grüneberg and Myers PLLC
- Priority: EP 153659 2021.01.27
- International Application: PCT/EP2022/051334 2022.01.21
- International Announcement: WO2022/161864A 2022.08.04
- Date entered country: 2023-06-30
- Main IPC: C07C11/08
- IPC: C07C11/08 ; C07C7/08
Abstract:
A method for separating butenes from C4 hydrocarbon streams containing butanes and butenes involves extractive distillation with a suitable solvent. The method also involves heat integration, which makes it possible to use the heat of the solvent in order to heat various streams.
Public/Granted literature
- US20240034704A1 METHOD FOR PREVENTING THREE-PHASE SEPARATION OF BUTENES FROM C4 HYDROCARBON STREAMS Public/Granted day:2024-02-01
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