Hydrocyanic acid consisting of formamide

US7294326B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Peter Bassler · Viernheim, DE
• Wolfgang Siegel · Schifferstadt, DE
• Guenther Achhammer · Mannheim, DE
• Anton Negele · Deidesheim, DE
• Helmuth Menig · Friedelsheim, DE
• Wilhelm Ruppel · Mannheim, DE
• Peter Zehner · Ludwigshafen, DE
• Hermann Luyken · Ludwigshafen, DE
• Volker Vogt

Key dates

• Filing date: Dec 3, 2003
• Grant date: Nov 13, 2007
• Expiry date: May 9, 2024

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2219/0236
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for preparing hydrocyanic acid (HCN) by catalytic dehydration of gaseous formamide in a reactor which has an internal reactor surface made of a steel comprising iron and chromium and nickel, and also to a reactor for preparing hydrocyanic acid by catalytic dehydration of gaseous formamide, which reactor has an internal reactor surface made of a steel comprising iron and chromium and nickel, and also to the use of the reactor of the present invention in a process for preparing hydrocyanic acid by catalytic dehydration of gaseous formamide.