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Table 2 Catalyst crystallite size after a 1-h calcination at 500 °C

From: Ce–Zr-based mixed oxide catalyst for oxidative depolymerization of kenaf stalk (biomass) into vanillin

Catalyst

Angle 2θ main peak (111)

Lattice parameters (A°)

Crystalline size (nm)

  

a

c

 

ZrO2–CA

29.33

5.06

5.07

0.60

CeO2–CA

28.89

5.412

5.412

1.63

CeZrO2–CA

29.01

5.27

5.29

0.874