Composition of the nonionic surfactant (PENONIONIC-1)

IFT, mNm

EE

ODE

Additional oil yield

Monoester, %

Diester, %

IFT 1%

IFT 5%

1h 80˚C, %

mm

%

ST-1

97.00

2.46

0.004

0.03

90

16

24.03

ST-2

97.00

2.46

0.026

0.068

97.5

9

18.08

ST-3

86.39

12.21

0.011

0.029

95

25

22.13

ST-4

86.39

12.21

0.02

0.1

97.5

26

23.09

ST-5

81.85

16.9

0.011

0.029

92

22

22.46

ST-6

86.00

13.57

0.017

0.016

80

14

24.35

ST-7

78.93

15.12

0.004

0.013

94

25

26.50