Study on Pore and Fissure Structure Characteristics of Deep Soft Coal Rock

Table 2

Pore structure parameters of coal samples.

Coal sample	BET surface area (m^2/g)	BJH surface area (m^2/g)	Single point total pore volume (cm^3/g)	BJH pore volume (cm^3/g)	BJH average pore width (nm)
1	0.3699	0.6433	0.002967	0.002942	18.2940
2	0.4405	0.7358	0.003224	0.003252	17.6790
3	0.2810	0.5686	0.002865	0.002864	20.1501
4	0.5509	0.8529	0.004229	0.004188	19.6399
5	4.7569	6.7164	0.007375	0.007377	4.3935
Average	1.27984	1.9034	0.004132	0.0041246	16.0313