Experimental Study for Influence of Surfactants Chemical Microstructures on Wetting Effect about Coal Dust in Tongchuan Mining Area

Table 2

FTIR peak assignment and position of bituminous coal dust (cm⁻¹).

Aromatic hydrocarbon		Aliphatic hydrocarbon	C-O-	C=O	Ether group	-OH		Aliphatic amine
746.53	1428.16	889.49	1205.76	1679.14	1072.21	967.08	3541.25	1280.30
774.56	1507.95	1444.32	1229.27	1709.61	1100.56	944.18	3565.82	1307.21
794.40	1566.07	1633.06	1038.39	1752.38	1130.10	1006.79	3588.64	1337.60
816.96	1599.07	2848.76		2807.01	1255.11	1154.30	3613.16	1369.82
844.42	3026.33	2907.07				1181.21	3647.23
864.88	3071.84	2942.80				3502.97	3671.52
						3524.46	3687.67