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