An Experimental Approach to Formulate Lignin-Based Surfactant for Enhanced Oil Recovery

Table 2

IFT of the surfactant blends from lab measurement.

Sample	IFT (mN/m)
	PAM	HMTA
A	0.759	0.798
B	0.744	0.744
C	1.000	0.619
D	1.455	0.696
E	1.002	0.787
F	0.784	0.632