Open Access

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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