Catalyst for removing olefins from aromatic compounds or mixtures thereof

US6133497A · kind A · utility

Assignee

• Sud-Chemie A.G. · DE

Inventors

• Reinhard Hahn · Vilsheim, DE
• Thomas Engelhardt · Rheinfelden (Baden), DE
• Uwe Flessner · Hersbruck, DE
• Werner Zschau · Germering, DE

Key dates

• Filing date: Jan 7, 1998
• Grant date: Oct 17, 2000
• Expiry date: Jan 7, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C7/148
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A catalyst is described on the basis of acid-activated smectitic clay minerals for removing olefins from aromatic compounds or mixtures of aromatic compounds which is characterized in that the acid-activated clay mineral contains at least 5 milli-equivalents/100 g of exchangeable Al.sup.3+ cations.