Regeneration of Spent Lubricant Refining Clays by Solvent Extraction

Table 8

Characters and components of nonideal oil.

Items	Data
Color number	>5
Viscosity (100°C), mm^2/s	66.4
Total acid number, mg KOH/g	0.27
Components, wt%
Saturated fraction	2.5
Aromatic fraction	15.7
Resin fraction	81.8