Separation Process of Fine Coals by Ultrasonic Vibration Gas-Solid Fluidized Bed

Table 4

Content of sulfur in different chemical states.

Name	Original coal		Heavy product
	Peak BE	Atomic%	Peak BE	Atomic%
-SO4	168.91	40.75	168.88	24.03
-C-S-	164.06	45.75	163.97	23.43
-S2	162.78	13.5	162.7	52.54