Slow and Flash Pyrolysis of Eucalyptus globulus Wood

The analytical methods TG and Py-capillary-GC-MS were used to study the slow and flash pyrolysis of Eucalyptus globulus wood. The TG analysis in air and in nitrogen showed that the percentage content of char and ash were, respectively 10.09 and 10.81%. In the slow pyrolysis the evolution of organic degradation products occurred mainly between 165 and 380°C with the maximum evolution rate at 342°C. Flash pyrolysis was used during 60 s at 300, 400, 500 and 600°C. In these temperatures we have identified the presence of valuable chemicals such as carboxylic acids, resin acids, ketones, phenols, furans, alkanes, alkenes and polycyclic aromatic hydrocarbons.