. 2020 Apr 2;5(14):7877–7884. doi: 10.1021/acsomega.9b04090

Table 3. IFT Versus Pressure Equations for Oil Solution–CO₂ System at 50 °C.

oil solution type	interval	equation P (MPa) IFT	MMP^a (MPa)	the ratio of the 2nd interval slope relative to the 1st interval slope (%)
without nanoparticles	1st interval	IFT = −2.0671P + 17.6830	8.55	85.17
without nanoparticles	2nd interval	IFT = −0.3066P + 6.8295	22.27	85.17
with nanoparticles	1st interval	IFT = −1.9327P + 17.045	8.82	69.60
with nanoparticles	2nd interval	IFT = −0.6025P + 8.7575	14.53	69.60

Minimum miscibility pressure.

Table 3. IFT Versus Pressure Equations for Oil Solution–CO2 System at 50 °C.