From: Heterogeneous base catalysts for edible palm and non-edible Jatropha-based biodiesel production
Catalysts | CaMgO | CaZnO | ||
---|---|---|---|---|
Element contenta(ppm) | Ca | Mg | Ca | Zn |
Fresh catalyst | 17.9 ± 0.5 | 36.2 ± 0.3 | 10.0 ± 0.4 | 74.3 ± 0.7 |
3rd run b | 15.6 ± 0.7 | 29.8 ± 0.2 | 8.6 ± 0.3 | 67.4 ± 0.6 |