Research Article

Preparation of Sulfur-Free Exfoliated Graphite by a Two-Step Intercalation Process and Its Application for Adsorption of Oils

Table 3

Cyclic regeneration of EG for the three kinds of oils.

Categories of oilsAdsorption capacity number 1/gAdsorption capacity number 2/gAdsorption capacity number 3/gRegeneration
ratio (1)/%
Regeneration
ratio (2)/%
Average regeneration
ratio/%

Crude oil45.640.334.588.3885.6186.99
Diesel oil27.823.619.484.8982.2083.29
Gasoline23.519.815.684.2578.7981.52