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

Figure 1

XRD patterns of KF/Mg-Ca-Al HTLCs MS catalysts with (a) different hydrothermal times, (b) Ca/Mg addition ratios, and (c) calcination temperatures (other conditions: Ca/Mg = 1 : 1, hydrothermal time: 24 h, and Mg-Ca-Al HTLCs calcined at 773 K).

(a)

(b)

(c)