Change of Pore-Fracture Structure of Anthracite Modified by Electrochemical Treatment Using Micro-CT

Table 2

The test result of coal ash composition.

Coal sample	Coal ash composition (%)
	SiO2	Al2O3	CaO	Fe2O3	SO3	MgO	TiO2	Na2O	P2O5
The original	31.86	23.77	19.01	15.93	7.46	0.66	0.94	0.32	0.05
Modified sample near anode	37.83	28.31	12.56	12.32	5.29	0.37	2.31	0.63	0.38
Modified sample near cathode	26.25	18.39	22.93	19.43	8.72	1.83	1.29	0.74	0.42