No. | Pretreatment | Pressure (atm) | Temperature (˚C) | Time | Degumming ratio (%) |
1 | Non pre treatment | 350 | 102 | 60 | 11 |
2 | Acetic acid | 350 | 105 | 60 | 21 |
3 | Diol nonionic surfactant | 350 | 102 | 60 | 11 |
4 | Acetic acid + Diol nonionic surfactant | 350 | 102 | 60 | 63 |
5 | Citric acid + Diol nonionic surfactant | 350 | 127 | 60 | 98 |
6 | Citric acid + Diol nonionic surfactant | 350 | 102 | 60 | 98 |
7 | Tartaric acid + Dodecanol | 350 | 102 | 60 | 98 |
8 | Citric acid + Ethylated Diol nonionic surfactant | 350 | 102 | 60 | 94 |
9 | Tartaric acid + Diol nonionic surfactant | 350 | 102 | 60 | 92 |
10 | Citric acid + Ethylated Diol nonionic surfactant | 350 | 102 | 45 | 94 |
11 | Citric acid + Diol nonionic surfactant | 250 | 102 | 45 | 86 |
12 | Tartaric acid + Ethylated Diol nonionic surfactant | 150 | 102 | 45 | 87 |
13 | Tartaric acid + Sodium laureth sulfate | 150 | 102 | 45 | 88 |