3D Hollow Mg-Ca-Al Hydrotalcite-Like Compounds Doped with KF for Catalytic Transesterification

Figure 5

Effect of different catalyst preparation conditions on FAME yield: (a) hydrothermal time, (b) molar ratios of Ca/Mg addition, (c) calcination temperature, and (d) different load ratios of KF/HTLCs. Reaction conditions: 338 K 30 min, catalyst (2%), and alcohol/oil molar ratio 12 : 1.

(a)

(b)

(c)

(d)