According to Magdziarz and Wilk [34] and as shown in Fig. 2, the
combustion process can be divided into three stages. The first stage
corresponded to a loss of moisture and notably light volatile compounds.
The temperature range of the first stage was from an
ambient temperature to approximately 200 C. In the second stage
(200e600 C), a significant drop in mass was observed, caused by
the thermal decomposition of the samples. Once the temperature
was higher than 600 C, mass loss was brought to an end by thermal
decomposition.