Method for the rapid pyrolysis of lignocellulose

US8821692B2 · kind B2 · utility

Assignee

• KARLSRUHER INSTITUT FÜR TECHNOLOGIE · DE

Inventors

• Edmund Henrich · Dettenheim, DE
• Friedhelm Weirich · Karlsdorf-Neuthard, DE
• Eckhard Dinjus · Leimersheim, DE

Key dates

• Filing date: Jun 22, 2006
• Grant date: Sep 2, 2014
• Expiry date: Oct 2, 2027

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/129
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Method for fast pyrolysis of lignocellulose including: mechanically comminuting the lignocellulose to lignocellulose particles; at least one of completely drying and preheating the lignocellulose particles; mixing the lignocellulose particles with heat transfer particles so as to provide a mixture; heating the heat transfer particles, prior to the mixing, to a temperature between 500° C. and 650° C.; and heating, in a pyrolysis reactor with oxygen excluded, the lignocellulose particles using the heat transfer particles so as to establish a temperature between 400° C. and 600° C. for 1 to 50 seconds and so as to react the lignocellulose particles so as to provide pyrolysis coke, pyrolysis condensate, and pyrolysis gas.