Staged biomass pyrolysis process and apparatus

Hornung, Andreas (2009). Staged biomass pyrolysis process and apparatus. C10B1/10.

Abstract

A biomass pyrolysis process in which biomass feedstock particles (having a d5o mean particle size of at least 1 mm) are thermally treated substantially in the absence of oxygen to pyrolyse the biomass feedstock particles. The thermal treatment of the biomass feedstock particles includes a heat treatment drying step at a temperature in the range 100 DEG C to 250 DEG C. Then, at a pre-pyrolysis heating location in a heat treatment system, the biomass feedstock particles are heated to a temperature in the range 280 DEG C to 350 DEG C, held within the same temperature range for a time of at least 5 seconds and then moved from the pre-pyrolysis heating location to a pyrolysis heating location by a conveyor system for heating to a temperature above 350 DEG C for pyrolysis.

Publication DOI: C10B1/10
Divisions: Engineering & Applied Sciences > Chemical engineering & applied chemistry
Engineering & Applied Sciences > European Bioenergy Research Institute (EBRI)
Full Text Link: http://worldwid ... 21A1&KC=A1&ND=4
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Published Date: 2009-05-11
Authors: Hornung, Andreas
Apfelbacher, Andreas

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