Optimization of Combustion Characteristics of Blended Coals Based on TOPSIS Method

Table 2

Elemental analysis of coal samples.

Type of coal	Elemental analysis
	Mad	Aad	Cad	Had	Oad	Nad	Sad
Xiaolongtan lignite	15.684	10.534	47.264	6.991	16.683	1.741	1.103
Fuyuan bituminous coal	2.861	37.601	45.82	9.243	1.231	1.615	1.629
Zhaotong lignite	6.293	29.642	42.236	6.254	13.119	1.442	1.014