Table 2: Structural properties of the dolomite catalyst determined by XRD.

SamplesStructural
Phase detectedCrystalline phaseaCrystallite diameter (nm)b

Dolomite CaMg92.0596.0
Ca(CO3)6.7222.0
SiO21.2299.4

D-700°CMgO31.5217.5
Ca(OH)238.7512.9
Ca(CO3)27.5628.9
SiO22.17125.4

D-800°CCaO23.5723.8
MgO33.5717.7
Ca(OH)240.4112.6
SiO22.45129.1

After Rietveld refinement (wt%) [26], bScherrer equation.