Table 3 Changes induced in CO2/oil IFT using NCs.

From: A green nanocomposite suppresses asphaltene precipitation in carbonates via multiscale evaluation

Type

Adsorption time in the presence of nanoparticles (hours)

Region

Equation IFT (mN/m)

Ratio of the IFT slope in 2nd to the 1st region (%)

Base

96

1st

IFT = − 0.0035P + 24.266

31.43

2nd

IFT = − 0.0011 P + 11.936

NCs

96

1st

IFT = − 0.0035 P + 12.27

45.71

2nd

IFT = − 0.00161P + 6.1018