Table 3. Pore Volumes of Coal Samples Treated at Different Temperatures.

		pore volume distribution at each pore size stage (mL/g)
coal sample type	total pore and fracture volume	micropore	minipore	mesopore	macropore	visible pores and fractures
RC	0.1135	0.0187	0.0382	0.0373	0.0149	0.0044
C200	0.1715	0.0146	0.0281	0.0668	0.0535	0.0085
C400	0.1209	0.0126	0.0299	0.0459	0.0266	0.0059