Preoxidation and Activation of the Lignin Char: Carbonization and Oxidation Procedures

Table 2

Specific surface area (SS).

Sample	SS (m^2/g)
CL600	30.8
CL600 (700^°C, 1 h, CO2)	394.26
CL600 (245^°C, 6 h, air) (700^°C, 1 h, CO2)	529.87