Evolution of Micron-Scale Pore Structure and Connectivity of Lignite during Pyrolysis

Table 2

Pore structural parameters of lignite at different temperature.

Temperature (°C)	Porosity (%)	The porosity of max pore cluster (%)	Total specific surface area (m^2/g)	Channel-specific surface area (m^2/g)
20	8.988	0.76	0.281	0.020
100	12.37	4.498	0.363	0.116
200	29.983	27.85	0.374	0.316
300	30.343	28.40	0.375	0.318
400	27.73	26.95	0.376	0.321
500	29.75	27.828	0.355	0.327
600	36.53	35.405	0.346	0.320