An Enhanced-Solvent Deasphalting Process: Effect of Inclusion of SiO₂ Nanoparticles in the Quality of Deasphalted Oil

Table 4

Yield and quality of the DAO after the SDA and -SDA processes at 25°C using SiO₂ nanoparticles at a dosage of 5 wt% and an SOR of 8 with -pentane as the solvent.

Variable	Process
	SDA	e-SDA
Yield
Pitch (%)
DAO (%)
DAO quality
Asphaltene content (%)
Sulfur content (%)
°API