Preparation of ethylene by gas permeation

US6365784B1 · kind B1 · 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: Jul 27, 2000
• Grant date: Apr 2, 2002
• Expiry date: Jul 27, 2020

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 preparing carbonyl compounds from olefins and an oxidizing agent in which the olefin is oxidized in a reactor, a reaction gas mixture which comprises unoxidized olefin being formed, which comprises separating off unoxidized olefin at least in part from the reaction gas mixture by a membrane process.