Table 7. Surface Area, Pore Size, Pore Volume, and Fractal Dimensions of Pores in Coal Samples.

								fractal dimensions
	surface area (m2/g)			pore volume (m3/g)		pore diameter (nm)		region I (P/P0 = 0–0.5, D1)					region II (P/P0 = 0.5–1.0, D2)
sample no.	mBET	BJH	DFT	BJH	DFT	BJH	DFT	A1	D1 = 3 + A1	D1 = 3 + 3A1	fitting equations	R12	A2	D2 = 3 + A2	D2 = 3 + 3A2	fitting equations	R22
CG-1104	2.082	0.881	0.872	0.002	0.002	2.990	2.769	–1.1511	1.8489	–0.4533	y = −0.8707x – 0.9356	0.99	–0.4497	2.5503	1.6509	y = −0.4497x-4.1590	0.80
CG-1105	2.548	1.698	1.381	0.004	0.003	2.991	2.769	–0.8707	2.1293	0.3879	y = −0.9056x – 0.5654	0.95	–0.3355	2.6645	1.9935	y = −0.3355x-0.4652	0.75
CG-1106	2.530	1.384	1.179	0.003	0.002	2.991	2.769	–0.9056	2.0944	0.2832	y = −0.8528x – 0.8092	0.99	–0.5177	2.4823	1.4469	y = −0.5177x – 0.3624	0.92
CG-1107	9.782	2.916	0.299	0.007	0.006	4.474	2.769	–0.8528	2.1472	0.4416	y = −0.3944x – 0.9820	0.91	–0.4736	2.5264	1.5792	y = −0.4736x – 0.4073	0.83
CG-1108	1.102	0.715	0.232	0.002	0.001	3.339	3.169	–0.3944	2.6056	1.8168	y = −0.7426x – 1.0652	0.82	4.777	2.7770	17.331	y = 4.777x – 1.2254	0.41
CG-1109	4.224	2.593	2.252	0.005	0.004	4.478	2.769	–0.7426	2.2574	0.7722	y = −0.3038x – 0.3900	0.99	–0.3107	2.6893	2.0679	y = −0.3107x – 1.0786	0.78
CG-1110	2.870	1.400	1.217	0.003	0.002	2.991	2.769	–0.3038	2.6962	2.0886	y = −0.6729x – 0.7756	0.80	–0.4441	2.5559	1.6677	y = −0.4441x – 0.0983	0.87
CG-1111	4.785	2.532	2.003	0.005	0.004	2.989	2.769	–0.6729	2.3271	0.9813	y = −1.3458x – 0.5501	0.90	–0.4874	2.5126	1.5378	y = −0.4874x – 0.3884	0.87
CG-1112	3.975	2.042	1.771	0.004	0.003	3.336	2.769	–1.3458	1.6542	–1.0374	y = −0.9577x – 0.6114	0.91	–0.4751	2.5249	1.5747	y = −0.4751x – 0.1453	0.81
CG-1113	16.452	12.448	5.461	0.019	0.016	2.982	4.543	–0.9577	2.0423	0.1269	y = −1.7983x – 0.1246	0.88	–0.4532	2.5468	1.6404	y = −0.4532x – 0.2037	0.82
CG-1114	11.192	7.485	3.169	0.011	0.011	2.988	3.169	–1.7983	1.2017	–2.3949	y = −0.6761x – 0.1801	0.92	–0.4828	2.5172	1.5516	y = −0.4828x+0.4552	0.73
CG-1115	4.114	4.838	1.969	0.010	0.006	3.736	4.543	–0.6761	2.3239	0.9717	y = −1.3154x – 0.3845	0.83	–0.4947	2.5053	1.5159	y = −0.4947x+0.2933	0.81
CG-1116	5.412	2.270	4.831	0.005	0.005	2.991	0.750	–1.3154	1.6846	–0.9462	y = −0.1466x + 0.0091	0.91	–0.5067	2.4933	1.4799	y = −0.5067x+0.0726	0.79
CG-1117	10.614	6.460	6.313	0.012	0.012	2.985	3.627	–0.1466	2.8534	2.5602	y = −1.604x + 0.3096	0.70	–0.2914	2.7086	2.1258	y = −0.2914x+0.1408	0.92
CG-1118	6.484	4.731	3.273	0.011	0.009	2.989	3.169	–1.604	1.3960	–1.8120	y = −0.7609x – 0.1873	0.97	–0.4386	2.5614	1.6842	y = −0.4386x+0.2767	0.88
CG-1119	4.632	3.093	1.937	0.007	0.005	3.154	3.169	–0.7609	2.2391	0.7173	y = −0.8087x – 0.9356	0.97	–0.4537	2.5463	1.6389	y = −0.4537x+0.1077	0.85
CG-1120	4.817	3.127	2.463	0.008	0.006	2.988	3.627	–0.8087	2.1913	0.5739	y = −1.5703x – 0.3276	0.95	–0.4261	2.5739	1.7217	y = −0.4261x – 0.5107	0.77
CG-1121	5.288	3.014	2.030	0.005	0.005	2.988	3.169	–1.5703	1.4297	–1.7109	y = −0.9229x – 0.5767	0.99	–0.4877	2.5123	1.5369	y = −0.4877x – 0.1185	0.83
CG-1122	4.441	2.833	2.463	0.007	0.001	3.338	3.169	–0.9229	2.0771	0.2313	y = −1.2095x – 0.7929	0.89	–0.5032	2.4968	1.4904	y = −0.5032x-0.113	0.81
CG-1123	3.476	2.278	1.555	0.006	0.004	2.988	2.769	–1.2095	1.7905	–0.6285	y = −1.4625x – 0.7365	0.88	–0.5903	2.4097	1.2291	y = −0.5903x – 0.2866	0.83