Research Article
Enhancement of Biodiesel Production from Marine Alga, Scenedesmus sp. through In Situ Transesterification Process Associated with Acidic Catalyst
Table 3
Experimental factors and levels for the orthogonal array design using the Taguchi method (% w/w, based on the lipid weight).
| (a) |
| | Level | Temperature (°C) | Time
(hr) | Catalyst amount
(% of solvent, v/v) | Biomass to solvent
ratio (mL, v/w) | | | | |
| | 1 | 50 | 5 | 1 | 1 : 5 | | 2 | 70 | 10 | 3 | 1 : 15 | | 3 | 90 | 15 | 5 | 1 : 25 |
|
|
| (b) |
| | Run number | | | | | (%) |
| | 1 | 1 | 1 | 1 | 1 | | | 2 | 1 | 2 | 2 | 2 | | | 3 | 1 | 3 | 3 | 3 | | | 4 | 2 | 1 | 2 | 3 | | | 5 | 2 | 2 | 3 | 1 | | | 6 | 2 | 3 | 1 | 2 | | | 7 | 3 | 1 | 3 | 2 | | | 8 | 3 | 2 | 1 | 3 | | | 9 | 3 | 3 | 2 | 1 | |
|
|
