Research Article
Kinetics of Transesterification of Croton megalocarpus Oil Using Alkaline Earth Catalysts with Conventional and Microwave Heating
Table 2
Surface properties, basic strength, and basicity of catalysts (
SBET = BET surface area) [
5].
| | Catalyst | Pore radius (BJH desorp) m | SBET (m2 kg−1) | Solid density (kg m−3) | Porosity (εp) | Basic strength (H–) | Basicity (mmol/g) |
| | BaO | 9.88E-09 | 1981.6 | 5720 | 0.03 | 15 < H– < 18.4 | 0.0961 | | SrO | 2.50E-08 | 1361.1 | 4700 | 0.04 | 15 < H– < 18.4. | 0.0841 | | Nano CaO | 1.13E-08 | 24149 | 3300 | 0.18 | 11 < H– < 15 | 0.0625 | | CaO-RO | 1.63E-08 | 4470 | 3100 | 0.05 | 11 < H– < 15 | 0.0535 | | CaO | 1.71E-08 | 6960 | 3300 | 0.09 | 11 < H– < 15 | 0.0441 | | Nano MgO | 1.16E-08 | 40830 | 3600 | 0.30 | 11 < H– < 15 | 0.0361 | | MgO | 1.07E-08 | 19545.5 | 3600 | 0.16 | 11 < H– < 15 | 0.0289 |
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