3. Results and discussion
3.1. Physicochemical properties of CaOeLa2O3 catalysts
The XRD spectra of binary CaOeLa2O3 metal oxide, bulk CaO and
La2O3 are shown in Fig. 2. The series of CaOeLa2O3 with Ca/La
atomic ratio ranging from 0.5 to 10.0 which thermally pretreated