Skip to main content

Table 1 Variables factors considered for T. peruviana oil extraction

From: Brette Pearl Spar Mable (BPSM): a potential recoverable catalyst as a renewable source of biodiesel from Thevetia peruviana seed oil for the benefit of sustainable development in West Africa

Variable Symbol Coded factor levels
   -1 0 +1
Extraction time (min) X1 40 50 60
Solvent volume (ml) X2 200 225 250
Sample weight (g) X3 40 45 50