A Study of the Solid-Liquid-Gas Three-Phase Coupling Relationship of Coal, Water and Gas

Table 1

Determination result of the water content.

No.	Weight before drying/g	Weight after drying/g	Water content/%	Average value of water content/%	No.	Weight before drying/g	Weight after drying/g	Water content/%	Average value of the water content/%
1	36.98	36.19	2.18	2.12	8	46.48	41.43	46.48	11.90
	42.09	41.18	2.21			36.08	32.21	36.08
	37.78	37.01	2.08			27.6	24.69	27.6
	43.95	43.09	2.00			55.24	49.49	55.24
2	43.05	41.48	3.78	3.60	9	48.26	42.2	48.26	13.96
	46	44.36	3.70			46.38	40.6	46.38
	50.54	48.81	3.54			42.5	37.25	42.5
	60.34	58.38	3.36			43.39	38.35	43.39
3	41.03	39.01	5.18	4.98	10	37.58	32.22	37.58	16.64
	53.45	50.88	5.05			53.24	45.46	53.24
	47.46	45.25	4.88			37.38	32.09	37.38
	56.09	53.52	4.80			52.69	45.29	52.69
4	46.35	43.58	6.36	6.77	11	55.37	46.41	55.37	19.21
	24.88	23.32	6.69			59.11	49.42	59.11
	58.79	54.92	7.05			47.02	39.67	47.02
	48.77	45.58	7.00			48.45	40.58	48.45
5	44.47	40.86	44.47	8.66	12	46.6	39	46.6	19.01
	40.2	36.97	40.2			33.83	28.52	33.83
	42.66	39.22	42.66			42.25	35.62	42.25
	49.32	45.54	49.32			56.39	47.26	56.39
6	48.68	44.11	48.68	10.18	13	57.53	47.12	57.53	21.93
	43.41	39.35	43.41			54.59	44.71	54.59
	35.16	31.91	35.16			53.66	43.95	53.66
	50.01	45.52	50.01			45.24	37.26	45.24
7	57.69	49.57	57.69	15.40
	57.57	49.55	57.57
	58.08	50.6	58.08
	60.67	53.11	60.67