Surface Modification of Fly Ash for Active Catalysis

Figure 2

X-ray diffraction pattern of (a) raw fly ash (b) KF/Al₂O₃/fly ash⁴⁷³ catalyst (c) KF/Al₂O₃/fly ash⁸⁷³ and (d) KF/Al₂O₃/fly ash⁶⁷³ catalyst.

(a)

(b)

(c)

(d)