Fig. 6From: Ce–Zr-based mixed oxide catalyst for oxidative depolymerization of kenaf stalk (biomass) into vanillinFE–SEM images of the calcined nanocomposite: CeO2–CA (a), ZrO2–CA (c), and CeZrO2–CA (e) samples, EDX pattern of CeO2–CA (b), ZrO2–CA (d), and CeZrO2–CA (f) samples and the EDXS mapping of CeO2–CA (g), ZrO2–CA (h), and CeZrO2–CA (i)Back to article page