Ash Evaluation of Indonesian Coal Blending for Pulverized Coal-Fired Boilers

Table 9

XRD analysis of BD-2B ash.

Temp. (°C)	Compound name	Chemical formula	SemiQuant (%)
550	Quartz high	O2Si1	82
	Iron(III) phosphate(V)-alpha	Fe1O4P1	11
	Sulfur(IV) oxide	O2S1	7
600	Quartz low	O2Si1	86
	Iron(III) phosphate(V)-beta	Fe1O4P1	4
	Calcium aluminum silicon	Ca3Al2Si2	10