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 oils | Adsorption capacity number 1/g | Adsorption capacity number 2/g | Adsorption capacity number 3/g | Regeneration ratio (1)/% | Regeneration ratio (2)/% | Average regeneration ratio/% |
| Crude oil | 45.6 | 40.3 | 34.5 | 88.38 | 85.61 | 86.99 | Diesel oil | 27.8 | 23.6 | 19.4 | 84.89 | 82.20 | 83.29 | Gasoline | 23.5 | 19.8 | 15.6 | 84.25 | 78.79 | 81.52 |
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