Research Article

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

Table 7

XRD analysis of BD-1B ash.

Temp. (°C)Compound nameChemical formulaSemiQuant (%)

550Silicon oxideSiO293
MillosevichiteAl2O12S37

600Quartz highO2Si113
Calcium sulfateCa(SO4)5
Iron oxideFe2O382