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Table 5
Comparison of moringa and soybean as oleaginous cultures for biodiesel.
| Comparative criteria | Source of feedstock | |
|---|---|---|
| Moringa | Soybean | |
| Agronomic aspects | Optimum yield − 1 year (Possibility of two harvests/year) Perennial culture |
Optimum yield − 3.5 to 5.5 months (Possibility of two harvests/year) Removable Culture |
| Harvest | Manual or mechanized | Mechanized |
| Productivity (Seeds or grains per hectare) |
9 tons | 3 tons |
| Percentage of oil available at source | 36.48 to 45% | 18 to 20% |
| Structural chemical characteristic of oil | A monounsaturated fatty component predominates (oleic acid) | A diunsaturated fatty component predominates (linoleic acid) |
| Production of biodiesel (oil/hectare) |
3.3 to 4.05 tons | 0.54 to 0.6 tons |
| Oxidative stability of methyl biodiesel (8 h minimum, res. 45/2014 ANP) |
12.64 h | 4.08 h |
| Energy content of methyl biodiesel (Lower calorific value − LCV) |
37.53 MJ/kg | 37.5 MJ/kg |
| Index or cetane number | 58.2 to 67.07 | 55 |
| Environmental and social aspects | It allows the implantation of family agriculture with the insertion of other crops in a consortium. | Cultivation of intensive mechanized agriculture. It usually requires more skilled labor. |
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