From: Heterogeneous base catalysts for edible palm and non-edible Jatropha-based biodiesel production
Amount of basic site (μ mol of CO2/g) | Total basicity | |||
---|---|---|---|---|
Catalyst | Tmax(<300°C) | Tmax(300–500°C) | Tmax(>500°C) | (μ mol of CO2/g) |
Alkali supported alumina | ||||
NaOH/Al2O3 | - | - | 467.68 | 467.68 |
Alkaline-earth metal oxide | ||||
MgO | 31.36 | - | 18.95 | 50.31 |
CaO | - | - | 290.42 | 290.42 |
SrO | - | - | 396.56 | 396.56 |
Calcium-based mixed oxide | ||||
CaMgO | 2.68 | - | 449.70 | 452.38 |
CaZnO | - | - | 412.70 | 412.70 |