Ethylene treatment by gas permeation

US6478851B2 · kind B2 · utility

Assignee

• Axiva GmbH · DE

Inventors

• Hermann Berwe · Hürth, DE
• Rüdiger Knauf · Aull, DE
• Herbert Neumann · Bergheim, DE
• Matthias Stumpf · Wiesbaden, DE
• Manfred Wolter · Lechenich, DE

Key dates

• Filing date: Jan 3, 2002
• Grant date: Nov 12, 2002
• Expiry date: Jan 3, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C45/34
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The invention relates to a process for separating off ethylene from a gas mixture comprising more than 8% by volume of carbon dioxide or oxygen, by gas permeation.