Process for oligomerization of olefins with optimized distillation

US11254631B2 · kind B2 · utility

Assignee

• Evonik Operations GmbH · DE

Inventors

• Stephan Peitz · Johannesweg, DE
• Guido Stochniol · Haltern am See, DE
• Armin Matthias Rix · Marl, DE
• Niklas Paul · Marl, DE
• Tatina Valèrie Six · Dortmund, DE

Key dates

• Filing date: Aug 12, 2020
• Grant date: Feb 22, 2022
• Expiry date: Aug 12, 2040

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/582
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for oligomerization of C2- to C8-olefins in at least two reaction stages, wherein in the last distillation column the reaction mixture is fractionated such that only very small amounts of the oligomers formed remain in the distillate.