Study on Pore Structure and Fractal Characteristics of Tar-Rich Coal during Pyrolysis by Mercury Intrusion Porosimetry (MIP)

Table 4

Fractal dimensions of S1-S6.

Method	Type	S1	S2	S3	S4	S5	S6
Menger sponge model	D1	2.49	2.19	2.50	2.62	2.97	3.09
	D2	4.28	4.01	3.92	3.82	1.69	1.54
Thermodynamic method	DT	2.56	2.52	2.59	2.51	2.62	2.59