Method for producing formaldehyde from methanol

US6362305B1 · kind B1 · utility

Assignee

• Ticona LLC · US

Inventors

• Elke Schweers · Bad Soden, DE
• Thomas Kaiser · Kelkheim, DE
• Christine Meister · Pocking, DE
• Michael Rosenberg · Niedernhausen, DE
• Rolf Schulz · Dinslaken, DE

Key dates

• Filing date: Feb 28, 2000
• Grant date: Mar 26, 2002
• Expiry date: Feb 28, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C45/002
• 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 circulating gas stream comprising by-products of the dehydrogenation is passed through the reactor.