Process for the non-oxidative preparation of formaldehyde from methanol

US6339175B1 · kind B1 · utility

Assignee

• Ticona LLC · US

Inventors

• Elke Schweers · Bad Soden, DE
• Thomas Kaiser · Kelkheim, DE
• Michael Haubs · Bad Kreuznach, DE
• Michael Rosenberg · Niedernhausen, DE

Key dates

• Filing date: Feb 22, 2000
• Grant date: Jan 15, 2002
• Expiry date: Feb 22, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G2/10
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

In a process for preparing formaldehyde from methanol by dehydrogenation in a reactor in the presence of a catalyst at a temperature in the range from 300 to 1000° C., a carrier gas stream which has a temperature above the dehydrogenation temperature is fed to the reactor.