from raw castor bean oil seed (37.9% oil content) by alkaline catalyzed in-situ trans-
esterification with Sodium hydroxide as catalyst and ethanol as the solvent in a laboratory
batch processor. Response surface methodology and central composite experimental
design was applied to evaluate effects of reaction time (30-120 min), alcohol/seed weight
ratio (0.5–2.0), Catalyst amount (0.3–1.5%) and reaction temperature (40–70OC). Catalyst …