Separation process for separating cycloalkenes having at least 2 double bonds from a reaction mixture

US6329562A · kind A · utility

Assignee

• Haarmann & Reimer Corporation · DE

Inventors

• Ingo Wöhrle · Holzminden, DE
• Peter Schick · Eßlingen, DE

Key dates

• Filing date: Jun 28, 2000
• Grant date: Dec 11, 2001
• Expiry date: Jun 28, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C7/13
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for separating off cycloalkenes having at least two double bonds from a reaction mixture in hydrocarbon solution formed during the metathesis of cycloalkamonoenes or cyclomonoene/cyclopolyene mixtures comprising the steps of treating the reaction mixture with zeolites in the liquid phase, absorbing the olefins having at least two double bonds present in the solution by the zeolite, separating off the laden zeolite, and obtaining the cycloalkadienes and cyclopolyenes by desorption.