Regeneration of Spent Lubricant Refining Clays by Solvent Extraction

Table 3

Effect of polar solvents.

Solvent	Ideal oil recovery, %	Nonideal oil recovery, %	Total oil recovery, %
C	54.23	33.97	88.20
D	54.23	38.14	92.37
E	54.23	43.50	97.73
F	54.23	36.35	90.58