Table 4. Fatty acid composition, acidity, acid value and water content of the feedstock.
| Feedstock | Fatty acid compositiona (%) |
Acidity (wt.%) | Acid value (mgKOH/g) | Water content (wt.%) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| C16:0 | C18:0 | C18:1 | C18:2 | C18:3 | C20:1 | C22:1 | ||||
| Refined food grade canola oil | 5.00 | 2.68 | 63.06 | 22.82 | 6.44 | – | – | 0.11 | 0.22 | 0.13 |
| Waste cooking oil | 21.88 | 5.15 | 56.73 | 14.48 | 0.86 | 0.90 | – | 0.65 | 1.29 | 0.12 |
| Crude rice bran oil | 19.33 | 2.79 | 43.66 | 34.22 | – | – | – | 2.00 | 3.98 | 0.11 |
| Crude Camelina oil | 6.06 | 2.86 | 21.24 | 20.22 | 29.61 | 15.14 | 4.87 | 3.86 | 7.65 | 0.04 |
| Crude Jatropha oil | 14.55 | 6.95 | 40.82 | 37.68 | – | – | – | 4.93 | 9.78 | 0.13 |
aC16:0 = palmitic acid, C18:0 = stearic acid, C18:1 = oleic acid, C18:2 = linoleic acid, C18:3 = linolenic acid, C20:1 = gadoleic acid and C22:1 = erucic acid.