Effect of Sulfation on Zirconia-Pillared Montmorillonite to the Catalytic Activity in Microwave-Assisted Citronellal Conversion

Figure 3

SEM profile of (a) Zr/MMT-5, (b) Zr/MMT-10, (c) S-Zr/MMT-5, and (d) S-Zr/MMT-10.

(a)

(b)

(c)

(d)