Apparent activation energy (Ea) of the pyrolysis
reaction for the MCC samples were also calculated.
Firstly, the mechanism which best represents
the pyrolysis reaction is determined and
then, through Arrhenius equation, the Ea is calculated.
Comparing the result for each MCC (Table
1, without organic solvent treatment), a difference
of ca. 90 kJ:mol is observed and is higher for the
prepared MCC. In our previous study, Ea values
showed great sensibility to differences in chemical
nature such as substitution degree and molar mass
(Corradini et al., 1999).