HCN by catalytic ammoxidation of crude acetonitrile

US5204079A · kind A · utility

Assignee

• The Standard Oil Company · US

Inventors

• Dev D. Suresh · Macedonia, US
• Mark C. Cesa · South Euclid, US
• Tai-Cheng Yang · Taipei, TW
• Robert K. Grasselli · Hersbruck, DE
• Mark R. Bruce · Berea, US
• Michael J. Seely · Naperville, US
• Maria S. Friedrich · Cleveland, US
• Robert A. Dubbert · Solon, US

Key dates

• Filing date: Feb 15, 1991
• Grant date: Apr 20, 1993
• Expiry date: Feb 15, 2011

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01C3/0245
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A process of producing hydrogen cyanide from crude acetonitrile comprising contacting the crude acetonitrile with an ammoxidation catalyst at an elevated temperature in the presence of an oxygen containing gas and ammonia. Preferably, the process is performed in the absence of propylene.